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Full Stack Developer – Contract (Inside IR35) Up to £600 per day Inside IR35 London – Hybrid (4 days in office, 1 day WFH) 6–12 month engagement, with intention to make perm offer A leading investment management firm is seeking a Full Stack Developer to join their lean, high‑impact technology team. In this role, you’ll build and enhance tools that automate operational workflows across treasury, collateral, FinOps, and middle‑office functions. This is a hands‑on position where you’ll work closely with risk, treasury, and operations teams to identify inefficiencies, replace legacy/manual processes, and build scalable solutions that support a fast‑paced trading environment. What you’ll work on • Automating workflows across treasury, accounting, trading and middle‑office operations., • Building tools to improve collateral & margin management, capital usage reporting, and trade reconciliation., • Designing and implementing API integrations across internal and third‑party systems., • Developing in‑house solutions to replace outsourced or legacy technology., • Creating data pipelines that improve reporting and analytics for portfolio managers., • Owning projects end‑to‑end — from gathering requirements through to deployment. What you’ll need • 5–6 years’ experience as a software engineer in financial services (buy‑side preferred, sell‑side also welcome)., • Solid background in treasury, collateral, middle‑office, or financial operations technology., • Strong programming skills in C# + Python, • Front‑end experience with Vue.js, React, or Angular., • Experience with databases such as SQL Server, Databricks, or Azure SQL., • Strong understanding of data structures, automation, and workflow optimisation., • Familiarity with Git / CI/CD pipelines., • Ability to operate independently in a fast‑moving, high‑ownership environment. Nice to have: • Experience with Broadridge, Sentry, or other treasury/risk platforms., • Exposure to data warehousing, security master systems, or trade booking automation., • Experience in quant or systematic trading environments. Why this role? You’ll have direct ownership, real influence, and the opportunity to modernise critical operational infrastructure in a high‑performing financial environment. Ideal for someone who enjoys autonomy, solving operational pain points, and building robust tools that have immediate business impact.

React / TypeScript Developer – Contract 📍 Canary Wharf, London (4 days onsite) 💰 £500 per day (Inside IR35) 📅 6 Month Contract We are currently working with a consultancy that is looking to bring an experienced React / TypeScript Developer on board for an initial 6-month contract. This role will involve working closely with engineering teams to build high-quality front-end solutions and contribute to the ongoing evolution of the platform. This is a hands-on engineering role suited to someone who enjoys building scalable front-end systems while contributing to engineering best practices and team culture. Key Responsibilities • Design and develop high-quality React components and ensure seamless integration with backend systems to enable efficient data exchange., • Continuously review services and components, identifying opportunities to improve performance, scalability, and maintainability., • Proactively identify and address technical debt., • Contribute to and influence the product roadmap, helping to deliver improvements that drive key business KPIs., • Support the development of the team’s software engineering capabilities and standards., • Promote a strong engineering culture focused on high-quality code, testing, and best practices. Experience & Background • 4+ years of relevant software engineering experience., • Strong communication skills with the ability to collaborate effectively across teams and with senior stakeholders., • A self-starter who can operate effectively in ambiguous environments, identify risks, and drive solutions forward. Technical Skills • Strong hands-on experience building applications using React and TypeScript., • Solid understanding of Object-Oriented Programming (OOP) and software design principles., • Good understanding of computational complexity and performance considerations., • Experience working across the full software development lifecycle, including:, • Coding standards, • Code reviews, • Source control management, • CI/CD and continuous deployment, • Testing and operational best practices, • Experience with Test Driven Development (TDD)., • Exposure to cloud deployments and Agile development methodologies.

UX Designer & Front-End Developer – Challenger Bank | London Paying up to £325 per day • 6-month contract, outside IR35, 3 days/week on-site, • Design and build user-friendly web & mobile interfaces, • Turn wireframes into clean front-end code (React/Vue/Angular), • Collaborate with product & engineering, conduct user research, • Ensure accessibility & design consistency Requirements: • UX design + front-end dev experience (fintech a plus), • Strong portfolio, HTML/CSS/JS, modern frameworks Sponsership not provided Please reach out if you meet the above criteria!

Job Title: Head of Engineering Location: London / Hybrid Salary: £52,000 - £64,000 per annum based upon experience plus discretionary bonus and comprehensive benefits Job Type: Full Time, Permanent About The Role: The Head of Engineering is responsible for designing, building, and maintaining techUK's core digital systems and engineering capability. This is a hands-on technical leadership role that combines software development, platform architecture, and business systems integration. The role will lead the development of scalable systems across the Microsoft ecosystem, including Azure, Dynamics 365, and Power BI, while introducing AI-driven workflows and automation to improve organisational efficiency. Working closely with teams across the organisation, the Head of Engineering will translate business needs into practical technical solutions and ensure systems are well integrated across the organisation's digital environment. The organisation's website operates on a headless architecture using Contentful CMS, with the front-end hosted on Vercel, and integrates with CRM, analytics, and internal systems through API-driven services. Operating within a small engineering team, the Head of Engineering will remain actively involved in development, prototyping, and technical implementation while shaping the organisation's engineering capability and digital architecture. This role reports into the Chief Technology and Transformation Officer and will have 1-2 direct reports. Key Responsibilities Platform Development & Systems Architecture Essential Knowledge and Experience: • Strong hands-on experience in software development and platform engineering., • Experience working within the Microsoft technology ecosystem, including:, • Azure cloud services, • Dynamics 365, • Power BI, • Microsoft Graph APIs, • Azure Functions or serverless architectures, • Power Platform or related automation tools, • Experience building API-driven integrations between enterprise platforms including CRM systems, web platforms, marketing systems, and analytics environments., • Strong programming capability in languages such as Python, JavaScript/TypeScript, or C#., • Experience developing integrations, automation pipelines, and backend services that support operational workflows., • Experience working with modern web architectures, ideally including headless CMS platforms., • Experience operating in small technical teams where individuals remain hands-on in engineering work., • Line management experience is essential., • Experience working with Contentful CMS and Vercel hosting environments., • Experience implementing AI-driven tools, automation workflows, or LLM-based systems., • Experience working with data platforms, analytics environments, or business intelligence systems. This is a full time role based out of techUK's London offices, however techUK operates a flexible working policy. This role profile is a guide to the work that is required but does not form part of any contract of employment and may change from time to time to reflect changing circumstances. The successful candidate must have permission to work in the UK prior to the commencement of employment. Please click APPLY to be redirected to our website to apply for this role. Candidates with experience of: Lead Software Engineer, Systems Developer, Application Developer, HTML, WordPress, Head of Software Engineering, IT Database Developer, Software Integration may also be considered for this role.

Robert Half Technology are assisting a market leading financial services organisation to recruit a React Developer on a contract basis. Hybrid working - London based. Role • The React Developer will be responsible for designing, building, and maintaining high-quality front-end applications using React and TypeScript within a secure, data-driven environment. * Work closely with backend engineers, UX designers, and technical stakeholders to deliver robust, scalable web applications aligned to business and regulatory requirements. * Develop and maintain complex, data-heavy interfaces including dashboards, reporting views, grids, filters, and workflow-driven user journeys. * Implement efficient state management patterns, handling both client and server state, including caching, error handling, and data synchronisation strategies. * Ensure front-end performance is optimised through techniques such as code splitting, virtualisation, bundle optimisation, and rendering efficiency improvements. * Collaborate on API design through a Backend-for-Frontend (BFF) approach, ensuring clean, predictable data contracts. * Embed security-by-design principles into all front-end development, including secure data handling and authentication considerations. * Maintain high standards of accessibility, usability, and cross-browser compatibility. * Contribute to CI/CD pipelines, testing strategies, and overall engin...

Get notified about new Frontend Developer jobs in. Newsroom Front-End Developer (12 Month FTC/Secondment). Front-End Developer (6-Month Contract) - Immediate Start.

Our client is currently recruiting for an AWS/ Node. Developer on an initial 3 month contract. Developer will be responsible for building the AWS Layer to extract data from the back end and build API's to integrate with the Front End.

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Lead UI Developer / React Contract: Initial 12-Month Contract with potential to extend. Location: London (In office) Rate: £850 - £900 inside umbrella What You'll Do: As the Lead UI Developer, you will spearhead the development of our flagship Triforce Credit Project. You will be responsible for designing and implementing cutting-edge user interfaces that cater to front office e-trading applications. Your expertise will ensure that our software is not only highly functional but also delivers an exceptional user experience. Key Responsibilities: Lead the development of front office e-trading applications with a focus on low latency and performance. Collaborate with cross-functional teams to ensure seamless integration of UI components. Mentor and guide junior developers, fostering a culture of innovation and excellence. Stay up-to-date with industry trends and best practices to continually improve our UI strategies.What You Bring Deep Expertise: A proven track record of delivering complex, enterprise‑grade front‑office e‑trading systems in high‑pressure, real‑time environments. Technical Authority: Languages: Exceptional command of JavaScript and TypeScript, with the ability to architect, optimise, and scale mission‑critical applications. Front-End Frameworks: Mastery of React and Redux, with extensive experience shaping robust UI architectures used in demanding trading workflows. Back-End: Strong working knowledge of Java, capable of contributing effectively to full‑stack solutions when required. Industry Insight: A comprehensive understanding of the full trading lifecycle within investment banking, particularly across Fixed Income or FX, with the ability to navigate front‑office workflows and trading system behaviours at a granular level.Why Join Us? Innovative Environment:Be a part of a team that thrives on creativity and innovation, where your ideas will be valued. Career Growth:Opportunities for professional development and career advancement are abundant. Impactful Work:Contribute to projects that directly influence the efficiency and effectiveness of trading operations in the financial sector. Collaborative Culture: Work alongside talented professionals who are passionate about technology and finance. Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention

This job is with State Street, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Job Description Role Summary : We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands‑on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilities-spanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. You will work closely with cross-functional teams to build robust, scalable, and secure digital asset products that meet our business and technical requirements. Role Description: Design, develop, and maintain Java backend services and REST APIs that support digital asset product flows (custody, tokenization, TA, digital cash/settlement) and integrate cleanly into the broader platform. Build API services that participate in the platform's centralized integration approach-supporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). Partner with product, architecture, and security stakeholders to implement policy-aware integration patterns Contribute to digital asset data patterns, including standardized interfaces and integration points such as Digital Data Interface and Digital Event Stream concepts where applicable for downstream reporting/analytics and operational workflows. Build and maintain automated tests (unit/integration) and ensure strong quality gates for services supporting regulated digital asset processing. Support production readiness: observability (logs/metrics), incident triage, performance tuning, and resilience improvements for APIs operating in a regulated, high‑availability environment. Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional platforms (e.g., custody/cash/fund accounting) as part of a hybrid digital + traditional operating model. Core/Must have skills : Strong experience building Java backend APIs (REST) in financial services, ideally including digital assets or closely related domains (custody, cash, fund services, or regulated platforms). Hands‑on expertise with Spring Boot and common Spring components used for API services (web, security, data access). Hands-on experience deploying and operating containerized Java microservices on Kubernetes (e.g., AKS), including working knowledge of core concepts such as Deployments, Services, Secrets, resource requests/limits, and basic troubleshooting in clustered environments Experience working with relational databases (e.g., Oracle) and ORM/data access patterns Proven ability to design and implement API contracts with strong discipline around versioning, backward compatibility, and documentation, aligned to internal API Development Standards. Strong understanding of security-first API engineering in regulated environments (authentication/authorization patterns, secure integration paths, least privilege mindset). Experience delivering production-grade services with strong engineering practices (code reviews, automated testing, operational readiness). Experience working effectively with multi-location engineering teams. Good to have skills: Experience building services that integrate with digital asset platform components such as tokenization, wallet management, smart contract management, or custody-related workflows. Familiarity with integration models that span traditional and digital, including standards-based messaging approaches and hybrid architectures used to connect platforms. Exposure to event/data distribution patterns for digital assets (e.g., event streams and data interfaces that feed reporting/analytics/monitoring). Understanding of digital asset ecosystem concepts (permissioned vs permissionless connectivity; third‑party DLT providers; secure key infrastructure/HSM adjacency at a platform level). Exposure to Node.js for front‑end support or lightweight backend-for-frontend (BFF) services, including working with REST APIs and understanding how Node.js services integrate with enterprise Java or platform backends. About State Street Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you'll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future. As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law. Discover more information on jobs at StateStreet.com/careers Read our CEO Statement ]]>

Sales & Marketing Director – Kitchen Division Location: North West London Package: Highly competitive basic + commission (OTE £100,000+), dependent on proven sales growth performance Our client is an established and highly successful furniture manufacturer with a reputation for quality, craftsmanship and commercial performance. As part of their continued growth, they are launching an ambitious kitchen division and seeking an exceptional Sales & Marketing Director to lead this exciting expansion. This is a rare opportunity for a commercially driven industry professional to build, shape and scale a kitchen brand — from strategic vision through to showroom launch, B2C leadership and B2B market development. The Opportunity You will take full ownership of the kitchen division’s sales and marketing strategy, developing a clear roadmap for sustainable growth across retail and trade channels. Key responsibilities will include: Proposing and delivering a comprehensive sales and marketing strategy Creating and managing a structured marketing calendar and campaign plan Planning and launching a new 270 sq. metre flagship showroom in North West London Recruiting, leading and performance-managing a B2C sales team Forecasting revenue and agreeing growth targets with the board Driving B2B sales across multiple channels including developers, contractors and trade partners Developing and implementing a future franchise model and expansion strategy Establishing KPI frameworks, reporting structures and performance metrics This is both a strategic and hands-on leadership role suited to someone who thrives in growth environments and enjoys building high-performing teams. The Ideal Candidate We are seeking a proven Sales & Marketing leader who: Has held a senior sales/marketing leadership role within a high-end national kitchen retailer or franchise operation Demonstrates a strong track record of delivering measurable sales growth Has experience managing retail showrooms and B2C design-led sales teams Understands trade, contract and developer B2B opportunities Is commercially astute, data-driven and confident in forecasting and budgeting Has experience building or scaling franchise or multi-site operations (highly desirable) Is ambitious, entrepreneurial and motivated by performance-based reward Why Apply? Opportunity to build and lead a new kitchen division within a successful manufacturing business Strategic autonomy and direct board-level influence Strong earnings potential with OTE expected to exceed £100,000 Long-term growth opportunity including franchise development High-impact role with genuine career progression If you are a driven kitchen industry professional ready to shape a brand, lead from the front and deliver significant commercial growth, we would welcome your application. Apply in confidence with your CV and a brief overview of your sales growth achievements. How to Apply This position is being handled by Simon Acres Group LTD . To apply, please send your CV and a brief covering note to (email address removed). uk or contact Wendie Brown on (phone number removed). Simon Acres Group LTD are acting as the employment agency for this position

Python Full Stack Developer – Azure Databricks London (Hybrid) 6 Month Contract £550/day (Inside IR35) Python Full Stack Developer needed with active SC Security Clearance Azure Cloud and Azure Databricks. . 6 Month Contract based in Central London (Hybrid). Start ASAP in March/April 2026. Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Key experience, responsibilities + tasks: Strong Python development expertise, develop and maintain Python code for data processing, API development and integration with the Azure Databricks environment. Senior experience in software development, with a focus on both front-end and back-end development. Front-end development using React, Angular, Vue.js, Front-end and back-end development of applications and APIs interacting with the Azure Databricks platform. Experience with Azure cloud platform and services. Azure Databricks. containerisation (Docker) and orchestration (Kubernetes). CI/CD pipelines. Technical Environment: Full Stack, Python, RESTful APIs, Git, SQL Server database experience, including working with databases (SQL and NoSQL). Demonstratable experience of reverse engineering existing codebases. Experience with testing frameworks (e.g., pytest, xUnit). Familiarity working with economic data or Financial Markets strongly desirable. Banking / Financial Services domain experience preferred. Must hold active SC Security Clearance used on a project within the past 12 Months

Job Title: Head of Engineering Location: London / Hybrid Salary: £52,000 - £64,000 per annum based upon experience plus discretionary bonus and comprehensive benefits Job Type: Full Time, Permanent About The Role: The Head of Engineering is responsible for designing, building, and maintaining techUK's core digital systems and engineering capability. This is a hands-on technical leadership role that combines software development, platform architecture, and business systems integration. The role will lead the development of scalable systems across the Microsoft ecosystem, including Azure, Dynamics 365, and Power BI, while introducing AI-driven workflows and automation to improve organisational efficiency. Working closely with teams across the organisation, the Head of Engineering will translate business needs into practical technical solutions and ensure systems are well integrated across the organisation's digital environment. The organisation's website operates on a headless architecture using Contentful CMS, with the front-end hosted on Vercel, and integrates with CRM, analytics, and internal systems through API-driven services. Operating within a small engineering team, the Head of Engineering will remain actively involved in development, prototyping, and technical implementation while shaping the organisation's engineering capability and digital architecture. This role reports into the Chief Technology and Transformation Officer and will have 1-2 direct reports. Key Responsibilities Platform Development & Systems Architecture * Design, build, and maintain techUK's core digital systems across the Microsoft ecosystem, including Azure-hosted services, integrations with Dynamics 365, and supporting data infrastructure. Website & Digital Platform Engineering * Provide technical leadership for the organisation's digital platforms, including the headless website architecture built on Contentful and hosted via Vercel, ensuring reliable integration with CRM, analytics, and other internal systems. Data Architecture & Business Intelligence * Develop and maintain reliable data flows between organisational systems, supporting accurate reporting and insight generation through platforms such as Power BI and helping establish a clear single source of truth for organisational data. Systems Integration & APIs * Design and implement API-driven integrations between core systems including CRM, website platforms, marketing tools, analytics environments, and internal databases, ensuring systems operate as a connected digital ecosystem. AI, Automation & Rapid Prototyping * Develop and implement AI-enabled workflows and automation that improve operational efficiency and unlock organisational insight. Rapidly prototype new tools and workflows to test ideas and deliver practical solutions across the business. Engineering Leadership * Establish and maintain best practice in software development, platform architecture, security, and DevOps practices while providing hands-on engineering leadership within a small team. Skills, Knowledge and Expertise: Essential Knowledge and Experience: * Strong hands-on experience in software development and platform engineering. * Experience working within the Microsoft technology ecosystem, including: * Azure cloud services * Dynamics 365 * Power BI * Microsoft Graph APIs * Azure Functions or serverless architectures * Power Platform or related automation tools * Experience building API-driven integrations between enterprise platforms including CRM systems, web platforms, marketing systems, and analytics environments. * Strong programming capability in languages such as Python, JavaScript/TypeScript, or C#. * Experience developing integrations, automation pipelines, and backend services that support operational workflows. * Experience working with modern web architectures, ideally including headless CMS platforms. * Experience operating in small technical teams where individuals remain hands-on in engineering work. * Line management experience is essential. * Ability to translate business requirements into technical solutions and deliver working systems. Desired Knowledge and Experience: * Experience working with Contentful CMS and Vercel hosting environments. * Experience implementing AI-driven tools, automation workflows, or LLM-based systems. * Experience working with data platforms, analytics environments, or business intelligence systems. * Familiarity with DevOps and CI/CD practices, including version control platforms such as GitHub. Additional Information: This is a full time role based out of techUK's London offices, however techUK operates a flexible working policy. This role profile is a guide to the work that is required but does not form part of any contract of employment and may change from time to time to reflect changing circumstances. The successful candidate must have permission to work in the UK prior to the commencement of employment. Please click APPLY to be redirected to our website to apply for this role. Candidates with experience of: Lead Software Engineer, Systems Developer, Application Developer, HTML, WordPress, Head of Software Engineering, IT Database Developer, Software Integration may also be considered for this role

Contract Full‑Stack JavaScript Developer Location: Fully Remote Duration: 6 Months IR35 Status: Outside IR35 Rate: £450pd – £550pd Opus is partnered with a high‑growth tech company scaling their engineering function and looking for a Contract Full‑Stack JavaScript Developer. You’ll be working across modern front‑end and back‑end systems, shipping clean, scalable, and reliable code into production. If you love building performant UIs, robust APIs, and working with modern tooling, this one’s for you. What You’ll Be Doing Building features end‑to‑end across React + Node.js Designing and developing reusable UI components and scalable APIs Working within a modern microservices architecture Contributing to technical decisions, architecture, and best practices Collaborating with product and design teams to deliver high‑quality releases Ensuring performance, security, and reliability across the platform ️ Tech Stack Core: React Node.js TypeScript Next.js (nice to have) Backend & DevOps: Express / NestJS PostgreSQL / MongoDB AWS (Lambda, ECS, S3) Docker / CI/CD pipelines Other Bonuses: Experience in fintech, digital products, or data-heavy systems Exposure to AI/LLM integration is a plus Interested? Apply now or send your latest CV to (url removed) ASAP! If you haven’t heard back within 48 hours, please assume your application was not successful this time

Craft CMS Developer - Part-Time Contract Role We're looking for an experienced Craft CMS Developer to join a digital team and help deliver high-quality, content-rich websites for higher education institutions. Please note this is a part-time contract role offering 2 days per week on an ongoing basis. You'll work closely with designers, project managers, and content teams to build, maintain, and support Craft CMS websites that are robust, accessible, and easy to manage. This role is ideal for someone who enjoys working on thoughtful, design-led projects and is comfortable taking ownership of builds and ongoing support. Key Responsibilities Build and maintain websites using Craft CMS , following best practices and modern development standards Develop custom Craft CMS templates, fields, and components Collaborate with designers to implement responsive, accessible front-end solutions Work with PHP , Twig , JavaScript , and Bootstrap to deliver high-quality user experiences Set up, configure, and support hosting environments, including: Craft CMS Hosting Cloud platforms such as Google Cloud Platform (GCP) and/or AWS Manage deployments, updates, and ongoing site maintenance Troubleshoot bugs, performance issues, and hosting-related problems Contribute to technical planning and provide input on implementation approaches Ensure projects meet accessibility, security, and performance standards (e.g. WCAG awareness) Required Skills & Experience Commercial experience working with Craft CMS (2+ years preferred) Strong working knowledge of: PHP Twig JavaScript Bootstrap (or similar CSS frameworks) TPBN1_UKTJ

We are seeking a talented and motivated Frontend Developer with strong expertise in TypeScript to join our growing development team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with cross-functional teams to deliver exceptional user experiences, optimize performance, and contribute to the overall architecture of our platform. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London office. It is a full-time role, 40 hours per week. Accountabilities: Develop and maintain scalable and responsive web applications using React.js and TypeScript. Collaborate with UX/UI designers to implement modern, intuitive, and visually appealing user interfaces. Write clean, maintainable, and efficient code while adhering to best practices. Optimize applications for maximum performance across a wide range of devices and browsers. Participate in code reviews and maintain a high level of code quality. Troubleshoot and debug issues in both development and production environments. Contribute to architectural decisions and collaborate with other engineers on overall application design. Ensure the scalability and security of applications by following best development practices. Stay up-to-date with emerging technologies and industry trends, integrating new tools and libraries into the project as appropriate. Work with version control systems like Git and ensure continuous integration and deployment processes are followed. Collaborate with back-end developers to integrate RESTful APIs and handle data flow effectively. Knowledge and Skills: Proven experience in React.js and TypeScript development. Strong understanding of JavaScript and modern front-end technologies. Experience with state management libraries like Redux, Recoil, or similar. Familiarity with RESTful APIs Experience with version control systems, such as Git. Solid understanding of web development fundamentals: HTML, CSS, and responsive design. Strong debugging skills and the ability to troubleshoot performance issues. Ability to write clean, modular, and well-documented code. Strong communication skills and the ability to collaborate effectively in a team-oriented environment. Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants

This job is with State Street, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Role Summary : We are seeking an experienced Smart Contract Developer to join our Digital Asset Development team. This is a hands‑on, security‑focused role responsible for designing, developing, testing, and deploying smart contracts that underpin institutional digital asset capabilities such as tokenisation, smart contract management, wallet management, and integration with blockchain infrastructure (public, permissioned and private EVM / non-EVM networks). You will work closely with cross-functional teams to build robust, scalable, and secure digital asset products that meet our business and technical requirements. Role Description : Design and implement robust, efficient, and secure smart contracts for EVM and non-EVM networks, aligning contract behaviour with product and platform requirements. Collaborate with product and engineering stakeholders to translate business logic into decentralized logic, ensuring correctness, resilience, and clear operational semantics. Develop and maintain smart contracts supporting tokenization and lifecycle operations, including patterns used for institutional needs (e.g., permissioning / whitelisting and proxy / upgrade approaches where required). Build comprehensive unit and integration tests, and contribute to quality gates for contract releases. Perform internal security reviews and support external audits, proactively identifying and mitigating common smart contract vulnerabilities (e.g., re-entrancy and front‑running classes of issues). Own and evolve the smart contract toolchain (development environments, linting/static analysis, dynamic analysis, testing and audit readiness), ensuring tools are approved, integrated into the SDLC tollgates, and support consistent coverage and secure-by-design outcomes. Build and maintain smart contract CI/CD workflows using existing build processes, integrating the contract repositories and pipeline stages needed to automate build/test/analysis artefacts and support controlled deployments in line with enterprise SDLC governance. Contribute to engineering excellence through code reviews, documentation, and maintaining a high standard of security and quality in an iterative delivery environment. Coordinate and partner with third‑party smart contract auditors by preparing audit-ready packages (scope, threat model context, code freeze/tag, and supporting artefacts), facilitating walkthroughs and Q&A, triaging findings with engineering, and driving remediation and re‑test cycles through to audit sign‑off and release readiness. Core/Must have skills : Strong, demonstrable experience developing smart contracts in Solidity or a similar language with a security-first mindset. Experience across the smart contract lifecycle: design, build, test, deploy, and maintain. Experience with token standards and advanced token models, including partitioned or permissioned token approaches and proxy/upgrade patterns. Strong knowledge of secure coding practices for smart contracts and ability to identify/mitigate common vulnerability classes. Proficiency with smart contract development and deployment tools (such as Hardhat) and modern testing patterns. Understanding of EVM / Ethereum fundamentals (e.g., smart contracts and EVM execution model) Web3 integration experience, including using libraries such as Ethers.js / Web3.js to interact with smart contracts, sign/send transactions, and integrate contract functionality into dApps and services. Blockchain cryptography fundamentals, including strong understanding of public/private key cryptography, signing/verification concepts, and the role of cryptographic mechanisms (e.g., key management requirements and approved algorithms) in securing blockchain transactions and wallets. Good to have skills : Experience building dApps and integrating front ends with smart contracts (e.g., Web3 interaction patterns). Familiarity with institutional digital asset platform components such as tokenization, smart contract management, wallet management, and integration patterns that connect on‑chain activity to off‑chain services. Gas optimization and scalability techniques, including awareness of gas-related patterns/protocols (e.g., Gasless transaction approaches such as OpenGSN). Exposure to microservices and back-end integration in modern stacks (e.g., NodeJS/Java/C#) and producing technical documentation for architecture and code. Experience developing for non‑EVM smart contract platforms (e.g., Canton/DAML or other non‑EVM chains such as Stellar or Solana), including adapting designs to different execution models, tooling, and network fee mechanics. About State Street Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you'll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future. As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law. Discover more information on jobs at StateStreet.com/careers Read our CEO Statement ]]>

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Lead UI Developer / React Contract: Initial 12-Month Contract with potential to extend. Location: London Rate: £800 inside umbrella What You'll Do: As the Lead UI Developer, you will spearhead the development of our flagship Triforce Credit Project. You will be responsible for designing and implementing cutting-edge user interfaces that cater to front office e-trading applications. Your expertise will ensure that our software is not only highly functional but also delivers an exceptional user experience. Key Responsibilities: Lead the development of front office e-trading applications with a focus on low latency and performance. Collaborate with cross-functional teams to ensure seamless integration of UI components. Mentor and guide junior developers, fostering a culture of innovation and excellence. Stay up-to-date with industry trends and best practices to continually improve our UI strategies.What You Bring Deep Expertise: A proven track record of delivering complex, enterprise‑grade front‑office e‑trading systems in high‑pressure, real‑time environments. Technical Authority: Languages: Exceptional command of JavaScript and TypeScript, with the ability to architect, optimise, and scale mission‑critical applications. Front-End Frameworks: Mastery of React and Redux, with extensive experience shaping robust UI architectures used in demanding trading workflows. Back-End: Strong working knowledge of Java, capable of contributing effectively to full‑stack solutions when required. Industry Insight: A comprehensive understanding of the full trading lifecycle within investment banking, particularly across Fixed Income or FX, with the ability to navigate front‑office workflows and trading system behaviours at a granular level.Why Join Us? Innovative Environment:Be a part of a team that thrives on creativity and innovation, where your ideas will be valued. Career Growth:Opportunities for professional development and career advancement are abundant. Impactful Work:Contribute to projects that directly influence the efficiency and effectiveness of trading operations in the financial sector. Collaborative Culture: Work alongside talented professionals who are passionate about technology and finance. Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention

Front End React Developer!Are you ready to dive into the exciting world of insurance technology? We are on the lookout for a passionate and proactive Junior Front End React Developer to become a vital part of our clients London based team!The Role:In this pivotal position, you will focus on designin

Stay up to date with emerging technologies and front-end development trends. You will work closely with product managers, designers, and backend developers to create responsive, intuitive, and high-performance user interfaces. This role will involve contributing to new product features, improving ex

As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. Front End JavaScript Developer. Front End Development Team Lead.

Senior Front-end Developer (AI-First SaaS Platform). UI, clear feedback loops, and audit-friendly flows. Collaborate closely with Product, Design, Backend, and Customer-facing teams to ship features that solve real customer problems.

We’re looking for a Senior Front-End Developer to join Liberty’s Digital team, playing a key role in the ongoing development and evolution of our digital platforms. Sound experience as a Front-End Developer, including senior or lead roles within ecommerce, digital retail, or content-rich platfor

Front End Developer - Up to £72kAre you excited by modern web technologies and enjoy creating innovative solutions in a collaborative environment? Were seeking a Front End Developer to join a team delivering high-impact, secure, and complex systems for critical infrastructure. As a Front End Develo

Role Details Role/Job Title: Front End Developer (Senior) Work Location: Dublin Hybrid Requirement: Weekly 2 days from ESB Head Office Duration of Assignment: 6 Months Other Working Conditions: Candidate should be based out Ireland, Dublin and not from other locations The Role A Front-End Develope

Role Description : Develop and maintain responsive, user‑friendly web interfaces for financial services applications using modern front‑end frameworks. Maintain clear documentation for front‑end components, dependencies, and integration assumptions. Experience integrating front‑end applic

The ideal candidate is a front-end focused developer with sector experience who has worked on a mix of internal CRM, web portal, and on-site mobile apps. Front-End/Full Stack Developer (Vue, JavaScript, Python) Barnstaple, North Devon (Office Based) £30-50k. Your new company I am engaged on a proje

Engagement: Independent Contractor. This is a remote front-end web development role focused on translating Figma designs into fully functional, responsive websites that integrate seamlessly with marketing automation tools and CRM systems.

As a Front End Developer you will: Design, xcunqrw develop, deploy, and maintain front-end applications as part of autonomous DevOps. Front End Developer - Up to £72k. Are you excited by modern web technologies and enjoy creating innovative solutions in a collaborative environment? Were seeking a F

HTML5, CSS / SASS & Javascript and TypeScript, familiarity with a frontend framework such as Angular / React / Vue (Angular preferred). RESTful APIs, Git, code abstraction, debugging and systems analysis, HTML5, CSS / SASS & Javascript and TypeScript, familiarity with a frontend framework such as An

Stay current with emerging front-end technologies and recommend improvements to enhance user experience and developer productivity. Joining us as a Senior Front-End Developer, the minimum criteria you’ll need is proven experience as a senior developer with deep knowledge of Angular and experience

Reasons To Consider Being A Frontend Web Developer Here:. Frontend Web Developer Responsibilities:. Frontend Web Developer Work Hours/Shifts:.

You will be responsible for building scalable front-end applications, collaborating with designers and product managers.

As a Senior Front-End Developer, you will help shape a high-profile UK public-sector digital service, delivering an accessible and efficient experience for end users. Front‑end security basics, including XSS and CSRF protections, dependency risk scanning, and secret handling. Lead and deliver feat

Front-End Developer – React or Angular (Front Office & Risk Systems). We are looking for a Front-End Developer with deep expertise in either React or Angular to work on complex Front Office and Risk UI platforms. Strong experience as a Front-End Developer on complex web applications.

A tech recruitment agency is seeking a Front-End Web Developer for a fully remote role. Ideal candidates will have 3+ years of experience in front-end web development, with advanced skills in WordPress, Webflow, and Squarespace.

Graduate / Junior Front End Developer. Junior Front End Developer (Graduate Level). Confidence working both independently and collaboratively.

Lead or Senior Frontend Developer. Mentor and support frontend developers, encouraging knowledge-sharing and professional growth. Familiarity with frontend testing tools (Selenium, Postman, aXe-Core, Wave).

Front End Developer - Software Engineer. Front End Developer - Software Engineer. Our mission is to deliver front‑end optimisations and experiments that enhance customer journeys and digital experiences to drive direct business value.

Expertise in React and ability advise best practices evolving UI engineering landscape including: modern standards for CSS, browser support, responsiveness, accessibility, developer tooling, build tools, deployment strategies, scalable build patterns, enterprise engineering (scalability, resiliency)

This role involves developing and maintaining front-end components of a workflow automation platform, enhancing Python back-end functionality, and collaborating with a dynamic team. A leading technology firm in London seeks a passionate Junior Front End React Developer.

We are seeking an experienced Contract Finance Manager to lead the "front-end" setup of the spun-out new business. Contract Finance Manager (Front-End Focused). Strong understanding of "front-end" financial and administrative setup processes (e.