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This is a fully remote contract role with an immediate start.

We’re working with a crypto-native DeFi trading platform, backed by a leading digital assets firm (client name kept confidential), to hire a Senior Backend Developer. The team is building high-performance, decentralized trading infrastructure with a strong focus on execution quality and user experience. This is a hands-on role covering backend engineering, smart contract integration, and trading-adjacent systems, working closely with experienced engineers, product, and UX in a fast-moving, production-focused environment. What you’ll be doing • Building and maintaining backend services and public APIs in Rust and Python, • Working directly with EVM smart contracts at an application level, • Contributing to the evolution of a performance-critical DeFi trading platform What we’re looking for • Strong experience with Rust and Python, • 3–4+ years in crypto / DeFi-native roles, • Practical experience interacting with Solidity smart contracts (not just high-level), • Understanding of DEXs and trading concepts (hands-on or theoretical), • Comfortable operating production systems in a cloud environment

Oracle Batch Developer, 5 month contract, Hybrid predominately remote occasional travel to Manchester/Newcastle, Inside IR35.We are looking for an experienced Oracle batch developer to join a major Government department on a mission-critical project.You will work on a highly integrated Oracle custom

We are currently working with a public sector organisation within the housing sector - supporting them with the recruitment of a power platform developer on a contract basis to support some ongoing projects they have.

Contract Full Stack Developer (Angular / Java / AWS). We are recruiting for a Contract Full Stack Developer to join a high-performing product team delivering modern, client-facing digital solutions within Financial Services / Investment Management. This role suits a hands-on engineer who enjoys work

Senior Mobile Backend Developer (Java / Kotlin, AWS, Microservices) Contract. We are hiring a Senior Mobile Backend Developer to work on high-scale, cloud-native platforms supporting mobile applications in a regulated environment. This is a hands-on backend role focused on Java/Kotlin microservices

C++ Developer / Backend Software Engineer (Windows C / C++) Remote UK to £70k FTC Are you a skilled backend focussed C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider. As a C++ Developer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You can work remotely (in the UK) if you're not within an hour commutable distance of London. Please note this is a 12 month Fixed Term Contract. About you: • You have C / C++ development skills on Windows OS, • You have full software development lifecycle experience, • You have a good knowledge of networking protocols e.g. TCP/IP, multicast, • You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns, • You're collaborative with great communication skills, • You are UK based and do not require visa sponsorship What's in it for you: As a C++ Developer / Backend Software Engineer you'll receive a competitive package: • Salary to £70k + bonus, • 25 days holiday, • Pension, • Life Assurance and Income protection, • Private Medical and Dental care, • Gym subsidy and wellness apps, • Cycle to work scheme, • Ability to buy stock options, • Family leave and sabbaticals, • Continuous training and career development including personalised budget, • Gain valuable finance / exchange connectivity experience Apply now to find out more about this C++ Developer / Backend Software Engineer (Windows C / C++, C#) opportunity.

Company Description Cryptoiex, founded in 2019, is an Estonia-based blockchain platform designed to make cryptocurrency trading fast and easy. The platform provides lightning-fast trade execution, dependable digital wallets, and top-tier security practices. With a mission to simplify the exchange process, Cryptoiex actively contributes to the crypto community while driving transformative innovation. The company is passionate about incubating emerging technologies to shape the future of blockchain. Role Description This is a full-time remote role for a Smart Contract Developer. The developer will be responsible for designing, implementing, and testing smart contracts on blockchain platforms. Daily tasks will include reviewing and optimizing contract performance, conducting code audits to ensure security and efficiency, and collaborating with teams to understand project requirements. Additional responsibilities may involve integrating smart contracts with other blockchain components and staying updated on industry trends in blockchain technology. Qualifications • Experience with Smart Contract development and blockchain technologies, particularly Ethereum or other major platforms., • Proficiency in Solidity, Vyper, or other smart contract programming languages., • Understanding of blockchain architecture, cryptography, and decentralized systems., • Ability to conduct comprehensive code testing, audits, and reviews to ensure security and performance., • Strong problem-solving skills and the ability to work in a remote, collaborative environment., • Bachelor's degree in Computer Science, Engineering, or equivalent experience in related fields., • Familiarity with web3 libraries and blockchain tools such as Truffle, Hardhat, or Remix is a plus., • Passion for blockchain technology and its application in the real world.

Contract : PHP Developer : 6 months rolling : Up to £325 per day Outside IR35 : Fully remote.We’re partnered with a product-led business building smart, integration-heavy backend systems and AI-enabled applications.They’re looking for a PHP Developer contractor to design and deliver clean middl

Location: 1 day remote + 1 day on-site in London Contract: Freelance, approx. 3-month rolling project Reports to: Technical Lead Rate: £250 - £350 per day Start: ASAP Intro We’re looking for an experienced Senior Developer to join us on a short-term freelance basis, working directly on-site with our London-based clients two days a week. We’re looking for a self-motivated Senior Developer who’s confident in client-facing environments, able to advocate for the best use of their time, and skilled in shaping tasks as well as delivering work autonomously. You’ll help bring high-impact ecommerce projects to life, turning design concepts into fast, accessible and beautiful experiences that perform flawlessly. About UWP We’re Underwaterpistol, a creative and technical ecommerce agency built for brands that want to stand out. We design, build and grow Shopify Plus stores that deliver measurable results, blending creative thinking with technical precision. Our developers care deeply about quality, detail, and craft and we’re looking for someone who shares that mindset. This role involves working closely with our clients on-site, acting as a trusted technical partner. You’ll be responsible for shaping your workload, managing priorities directly with client teams as their primary solo developer and representing UWP with confidence and clarity. Role Overview As a Senior Developer, you’ll lead the build and implementation of front-end features, ensuring clean, reusable code and seamless collaboration with designers and strategists. You’ll be hands-on in translating UI/UX concepts into working digital experiences, maintaining our high standards for accessibility, performance, and maintainability. You’ll need to be comfortable working independently, shaping tasks proactively, and advocating for the most effective use of development time in a client-facing setting. Key Responsibilities • Build out design comps accurately and efficiently., • Write structured, well-organised, reusable code., • Inspect, debug, and troubleshoot bugs and QA issues., • Ensure the technical feasibility of UI/UX designs., • Collaborate closely with other team members and stakeholders., • Lead on assigned development projects, making technical recommendations, flagging risks, and supporting other developers when needed., • Help uphold and refine UWP’s development standards and best practices., • Contribute to internal policies, documentation, and component frameworks., • Communicate progress clearly with project and delivery teams, ensuring visibility on timelines and blockers. Skills and Experience Essential • Experience with Shopify, • Strong proficiency with HTML5, CSS3, and Vanilla JavaScript., • Experience working with Liquid (Shopify)., • Understanding of LESS and SASS pre-processing., • Strong grasp of cross-browser compatibility and responsive development., • Proficiency with Git (or similar version control)., • Understanding of SEO and UX best practices., • Excellent attention to detail and a good eye for design., • Strong communication and documentation skills., • Portfolio of live projects demonstrating your work. Nice to Have • Experience with Gadget, • Familiarity with JavaScript frameworks (React, Vue, Angular)., • Experience with Node.js, Python, Ruby, or PHP.

Salesforce Developer – Public Sector SC Cleared - Multi Year Project Day Rate: £650-710 (Inside IR35, via umbrella) Contract Length: 6 month Initial Contract Multi Year Project, Location: Mainly remote, with occasional travel to London Clearance: Active SC Clearance required (cannot start until transfer confirmed) The Opportunity We are seeking an experienced Salesforce Developer to join a major public sector digital transformation programme. You will work within a secure government environment, delivering and enhancing solutions on the Salesforce platform. Additional Information • Inside IR35 (via umbrella), • 6-month initial contract - but part of a multi year contract, • Mainly remote role with occasional travel to London, • Candidates must hold current SC Clearance and be willing to transfer it prior to starting

Mid-Level Developer (Solo Lead) Level: Mid-Level Developer - £55,000 (full-time) with flexibility for reduced hours or project-based delivery Location: Remote | Flexible Function: Software Development | Full Stack | Product Engineering Industry: HR Technology | Data & Analytics | Purpose-Driven SaaS Join an organically funded HR technology startup focused on pay gap reporting, salary data analysis, and amplifying employee voice through data. Our client is building a platform centred on equity, transparency, and accountability, and is now hiring a mid-level developer to take ownership of day-to-day engineering alongside the two co-founders. About the Role As a Mid-Level Developer, you’ll work directly with the two co-founders of a purpose-driven HR technology startup, acting as the sole engineer on the platform. You’ll contribute across front end and back end development, building and evolving features that support pay gap reporting, salary analysis, and employee voice. The role offers a high degree of flexibility around working patterns and a clear opportunity to broaden your full-stack capability over time. What You’ll Be Doing • Building and extending product features primarily using JavaScript and CSS, with a focus on maintainable, production-ready code., • Working across a full-stack, low-code architecture using Nordcraft on the front end and Xano on the back end, learning these platforms as needed., • Developing and maintaining APIs to integrate the platform with external HR systems such as Workday and other third-party tools., • Implementing pay gap reporting functionality, including ethnicity and disability reporting, and supporting differing regulatory requirements across jurisdictions., • Integrating AI-driven reporting and commentary features through external services and platform integrations, rather than developing AI models directly., • Improving the robustness of the codebase by introducing or enhancing database backups, regression and unit testing, and applying appropriate web security practices. Ideal Background • Mid-level experience as a JavaScript developer, with exposure to front end and back end development., • Willingness to work full stack and learn new platforms or tools, even if you have not used Nordcraft or Xano previously., • Solid understanding of core web development concepts, including security, performance, and API design., • Comfortable working as the sole engineer on a product while collaborating closely and communicating regularly with non-technical co-founders., • Experience working remotely or in flexible working arrangements, with a reliable and organised approach to delivery., • Able to provide references that speak to reliability and experience working independently or on contract-based engagements. What You’ll Receive • Salary of £55,000 for a full-time role, with openness to reduced hours, three-day weeks, or project-based delivery., • Fully remote working by default, with flexibility around hours and an outcomes-focused approach., • A supportive, founder-led environment with an emphasis on equity, fairness, and ethical use of data., • Direct exposure to product decision-making and increasing technical ownership as the platform evolves., • The opportunity to strengthen full-stack development skills in a real production environment. Who Should Apply This role suits a mid-level developer who wants ownership, flexibility, and closer involvement in product development than is typical in larger teams. If you enjoy working across the stack, communicating directly with founders, and contributing to a product with a clear social purpose, this role is likely to be a strong fit.

Department: Support Reports To: Application Software Support Manager Location: Remote Salary: £55k - £60k /yr (depending on experience) Contract Type: Permanent – Full Time Role Summary We're looking for an experienced full-stack .NET developer to join our team in a new and exciting role. This role will initially be supporting an array of clients, helping our support team to continue to provide an excellent service, whilst maintaining their award-winning systems to ensure reliability. In time, this role is expected to expand to support other additional clients as we introduce 'Managed Services' to our portfolio of service offerings. The ideal candidate will be responsible for handling escalations by our support team, developing and maintaining software applications that meet business needs and delivering exceptional user experiences. Key Responsibilities • Act as an escalation point for the technical support team, resolving complex issues that require advanced troubleshooting and problem-solving., • Diagnose and resolve software-related problems efficiently, ensuring minimal disruption for customers., • When changes are required: analyse, scope, design, develop and test fixes and updates to existing products - following Agile principles and processes, working with the customer/product owner where applicable., • Collaborate with support staff to provide guidance and share best practices for handling technical challenges., • Document solutions and contribute to the knowledge base to improve future support processes., • When support demand is low, assist with other development projects, including coding, testing, and implementing new features or enhancements., • Maintain a strong understanding of QWARE products and underlying technologies to deliver expert-level support. Essential Skills & Experience • Proficiency in C# .NET software development., • Comfortable working on backend (e.g. API) web services, as well as Front-end (UX, Blazor predominantly) web services., • Experience in cloud-based development, solutions and architectures, preferably on Azure., • Strong understanding of software design principles, testing methodologies and Git version control., • Strong skills in database management and familiarity with SQL or NoSQL databases., • Excellent problem-solving and communication skills., • Knowledge Microsoft Azure cloud services. Desirable • Knowledge and experience of Blazor (ASP.Net Core) development., • Knowledge and experience of Microsoft App Services, SQL, Cosmos DB and Azure DevOps. About QWARE We are an award-winning provider of Cloud Solutions and Services, based in Hampshire, UK, with over 25 years of experience. We focus on delivering high-quality, cloud-first solutions to a diverse range of industries worldwide. QWARE is recognized as an industry leader, holding accolades such as the South Coast Tech & Innovation Award for Tech SME of the Year in 2025. With a strong commitment to innovation and value add, QWARE empowers every business user to make smart decisions through innovative, scalable, and user-friendly technology. Benefits • Generous holiday allowance (PLUS your birthday off as an additional day off), • Company Pension, • Death In Service Cover, • Employee Assistance Programme, • Annual Eye test and glasses contribution (for DSE), • Company Profit share scheme, • Training options provided, • Remote working - flexible, where feasible How to Apply

Contract Full Stack Developer (Angular / Java / AWS) | Hybrid | Manchester. We are recruiting for a Contract Full Stack Developer to join a high-performing product team delivering modern, client-facing digital solutions within Financial Services / Investment Management. Strong experience as a Full S

Mid Front-End WordPress Developer (Initial 3-Month Contract – Potential to Go Permanent).We’re looking for a talented Mid Front-End WordPress Developer to join our team on an initial 3-month contract.This role has a strong view to becoming permanent for the right candidate.You’ll work closely

Job Title: Salesforce & React Native Developer. Contract Role - Salesforce & React Native Developer - Manchester/Hybrid - 12 months initial - Inside IR35. Salesforce +5 years experience AND/OR React Native (Web) +5 years.

A government contractor is seeking a Senior Python Software Developer (SC Cleared) for a 12-month hybrid contract based in the United Kingdom. Candidates should have significant software engineering experience, strong proficiency in Python and Ruby, and the ability to communicate effectively with no

Synergy Personnel Ltd are currently recruiting for a Quantity Surveyor Residential New Build & Conversion Project (Near Portsmouth, Hampshire) A respected regional developer is seeking an experienced Quantity Surveyor to support the commercial delivery of a mixed residential new build and conversion project near Portsmouth, Hampshire. This is a 15-month direct contract with the client, offering a ...

As Salesforce Developer, you'll be working on an integration project to support with the launch of a new product, using Salesforce as the core technology. Maxwell Bond have partnered with an organisation in the financial sector, who are looking for a Salesforce Developer on a contract basis. Proven

A leading healthcare technology firm in Manchester is seeking a Senior Developer to work on significant NHS and healthcare digital projects.The successful candidate will develop front-end features using Vue.Java-based API and microservices development.Ideal applicants should have over 5 years of exp

A global law firm is seeking a Full Stack Developer for an 18-month fixed-term contract in Manchester.The role involves designing, developing, and maintaining high-performing applications and integrations, including key platforms.Ideal candidates will have proven systems development experience, prof

Pearson Carter are currently working with a growing company in the MedTech domain who are looking for a very strong React developer to lead medical/healthcare projects.

A digital solutions agency in Manchester is seeking a Mid Front-End WordPress Developer for an initial 3-month contract with potential for a permanent position.You will be responsible for developing and maintaining responsive and user-friendly WordPress websites, collaborating with design and develo

Ideal candidates should have over 5 years of experience in Salesforce and/or React Native, along with proficiency in Java and a background in banking or financial services. A leading staffing agency is seeking a Salesforce & React Native Developer for a contract role based in Manchester.

A leading technology recruitment firm in Manchester is seeking an experienced Senior Java Developer / Technical Lead for a contract role. This position requires strong Java development experience and comfort with CI/CD practices.

Frontend Developer (React) – Contract (Inside IR35).

Snowflake Developer (Contract). In‑depth knowledge of Snowflake architecture, including its roles, dynamic tables, streams, tasks, and security policies.

A leading digital consultancy in Manchester is seeking a Lead Software Developer for a 12-month fixed-term contract.

A leading recruitment agency is seeking a skilled Java Developer for a 6-month contract in Manchester/Newcastle. The ideal candidate will have strong Java programming skills, experience with popular frameworks, and a passion for high-quality software development.

Strong background as a Java Developer, Lead Engineer, or Technical Lead. Senior Java Developer / Technical Lead Contract. A fantastic opportunity has arisen for an experienced Senior Java DeveloperTechnical Lead to join a high-performing digital delivery environment.

Java Developer - £400 (Inside IR35) - 12 Month ContractLocation: Hybrid - Birmingham, Manchester, Leeds, NewcastleMust have Government experienceMy client are seeking a Java Developer with strong expertise in Apache Kafka, Node. The role invo

A technology consultancy firm is seeking a NodeJS Developer for an initial 6-12 month contract, starting January 2026. This role offers full remote work with occasional workshops in key UK cities.

All Associates must contract under PAYE arrangements through a Deloitte approved ‘Employment Company’ (aka ‘umbrella company’). Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Pr

A prominent financial institution is seeking a Lead Credit Risk Model Developer for a 12-month fixed-term contract in Manchester.You will lead the design, development, and validation of credit risk models, crucial for decision-making systems.The ideal candidate has extensive experience in credit mod

We’re looking for a self-motivated Senior Developer who’s confident in client-facing environments, able to advocate for the best use of their time, and skilled in shaping tasks as well as delivering work autonomously. Our developers care deeply about quality, detail, and craft and we’re lookin

This is a full-time remote role for a Smart Contract Developer. The developer will be responsible for designing, implementing, and testing smart contracts on blockchain platforms. Daily tasks will include reviewing and optimizing contract performance, conducting code audits to ensure security and ef

Location : Stratford, UK (3 Days Onsite is required).Angular front end development experience with minimum 8 years of experience.Experience in building high performance front ends that can do high volume.Responsible for looking at the current code and identifying opportunities for improving performa

Collaborate with solution architects, product owners, project managers and developers. AS400/IBM i Developer with Life400.

This is a fully remote contract role with an immediate start.

This is a full-time remote role for a Smart Contract Developer. The developer will be responsible for designing, implementing, and testing smart contracts on blockchain platforms. Proficiency in Solidity, Vyper, or other smart contract programming languages.

This is a fully remote contract role with an immediate start.

A leading design tech firm in the United Kingdom is seeking a skilled developer to transform innovative designs into functional applications. This position has a contract duration of 1 to 3 months.

Day rate up to £650, inside IR35.An established engineering function is looking for a Java Engineer to support the development of large, highly available platforms serving a significant user base.You will be working in a cloud focused, microservices driven environment, contributing to the evolution

A recruitment agency in the UK is seeking a ServiceNow Developer for a 6-month contract.

A leading UK recruitment agency is seeking a Contract Software Developer to enhance a vital national digital service.

We are currently seeking a Software Developer to bring significant value to our Information Technology team.

Python Developer, Contract or Permanent, London. The Developer will demonstrate advanced knowledge and understanding of the complete software development process (Requirements, Design, Implementation, Verification, and Maintenance). Ability to lead other developers as team grows.

A leading recruitment agency is seeking an experienced AS400 Developer with strong Life400 experience to join a delivery-focused technology team.