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Software Developer - Remote - £45k - £50k (DOE) I'm currently working with a specialist UK software provider that's looking to add a Software Developer to their development team to help support and enhance a suite of established products while contributing to the development of new solutions. This is a great opportunity for a developer who enjoys working across both desktop and web applications, solving complex problems, and supporting systems that are relied upon by organisations delivering critical services. The role involves working closely with the Development Manager and wider team to develop new features, maintain existing systems, and support customer migrations from legacy platforms to next-generation products. Key Responsibilities You will be responsible for: • Developing new programs and features using C#, ASP, SQL, WPF and WCF, • Working across both desktop and web-based applications, • Supporting the migration of customer data from legacy SQL databases to new platforms, • Maintaining and updating existing systems to ensure compatibility with modern operating systems, • Troubleshooting and fixing bugs across database and application layers, • Supporting compliance with ISO 9001 and ISO 27001 development standards, • Ensuring systems comply with relevant government legislation and data protection requirements, • Developing a strong understanding of the organisation's business processes and market needs, • C#, • SQL Server, • LINQ, • WPF, • Experience developing software within the Microsoft technology stack, • Strong understanding of SQL and database-driven applications, • Experience with C#, LINQ, and WPF, • Ability to work independently while collaborating with a wider team, • Ability to estimate work accurately and deliver within agreed timelines, • Willingness to share ideas and explore new technologies You'll have the chance to take ownership of development work, contribute ideas for improvements, and build deep expertise in a niche but important software domain, while working within a collaborative development team. If you'd like to find out more, apply now and I'll be in touch for a confidential conversation. Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

.NET Developer, C# 14, .NET 10.0 - Newcastle (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Have you ever thought about getting from London to Edinburgh in 30 minutes? My client, a world leader in aerospace technology, and has decided to undertake research into a subsonic train transportation system similar to Hyperloop. Hyperloop and other subsonic transportation systems like this are essentially a futuristic train like mode of transport that have the ability to travel at speeds of over 700mph. Their R&D centres in the UK are in need of some talented .NET Developer to help build the software applications and cloud platforms that they need to run advanced data analytics and capture information from the high speed tests that they are running on a daily basis. .NET Developer applicants should have knowledge of: .NET, .NET Core, C# and Azure SQL. They will provide training into: .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Agile and Azure Cosmos DB. All positions come with the following benefits: • 15% bonus., • 10% pension., • Weekly office code competition., • 5 days of brain-storming time per month., • 28 days holiday + 1 extra day off on your birthday. Location: Newcastle upon Tyne, UK / Remote Working Salary: £35,000 - £65,000 + Bonus + Pension + Benefits Applicants must be based in the UK and have the right to work in the UK even though remote working is available. Noir continues to be the leading Microsoft recruitment agency; we can help you make the right career decisions! NOIRUKNETREC NOIRUKREC NC/NET/NEWET

Senior AWS Platform Engineer | AWS, Terraform, Kubernetes | Remote, up to £90k A growing cloud and platform engineering consultancy is looking for a Senior AWS Platform Engineer to play a key role in designing and building secure, scalable cloud platforms for a range of high-impact projects. This is a hands-on role suited to someone who enjoys solving complex infrastructure challenges, improving developer experience, and enabling teams to deliver software faster and more reliably. You’ll be working with modern cloud-native technologies across AWS, using tools such as Terraform, Kubernetes (EKS), and CI/CD pipelines to build robust, production-grade platforms. Key Responsibilities • Design, build, and operate AWS platform components aligned with best practices, • Implement and maintain infrastructure as code using Terraform, • Build and improve CI/CD pipelines to support efficient, reliable delivery, • Support containerised workloads using Kubernetes and EKS, • Collaborate with engineering teams to enable cloud-native development patterns, • Implement monitoring, logging, and alerting for improved visibility, • Create reusable modules and deployment patterns, • Contribute to continuous improvement of platform performance, security, and scalability Requirements • Strong experience working with AWS in a platform or DevOps capacity, • Hands-on experience with Terraform (or similar IaC tools), • Experience with Kubernetes and containerised environments, • Solid understanding of CI/CD pipelines and automation practices, • Experience working in collaborative, cross-functional engineering teams, • Strong problem-solving mindset with a focus on reliability and scalability Location: Remote (UK-based) Salary: Up to £90k Senior AWS Platform Engineer | AWS, Terraform, Kubernetes | Remote, up to £90k

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS product—Spark Travel—at pace. You’ll join a smart, collaborative team that pushes each other to articulate and defend every architectural decision in pursuit of best‑in‑class software. Spark Travel itself is on a mission to drag the tailor‑made travel industry into the 21st century. Our cloud‑native platform unifies sales, supplier contracting, dynamic pricing, and on‑trip operations—everything from the first quote to the traveller’s safe return. The market is huge, the incumbents are slow, and we already have meaningful traction: roughly 35 customers and an accelerating sign‑up pace, a very healthy sales pipeline, and a roadmap brimming with genuinely novel features. With a fantastic existing team across engineering, product, customer success, marketing, and sales, we’re gearing up for hyper‑growth. We’re looking for two down‑to‑earth professional, a conscientious Senior Software Developer, to build on what already works and unlock our next wave of innovation. 🌟 Your Impact • Raise the bar sensibly. Whether you’re refining our Azure architecture as CTO or shipping revenue‑critical features as Senior Dev, you’ll set high standards without reinventing the wheel., • Champion intuitive user experiences. Both roles care deeply about usability, ensuring our platform feels effortless for travel pros and their travellers., • Own the craft. Understand the problem, ship the solution, measure the outcome—and when something’s working, double‑down on it., • Move the needle. Your work will streamline the day‑to‑day of leading tailor‑made tour operators and DMCs—enhancing trip experiences for their travellers as we scale. 🧭 Role Snapshot 2️⃣ Senior Software Developer • Be UK‑based (remote within the UK) with ability to attend occasional team meet‑ups in London (travel expenses covered)., • Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB., • Own mission‑critical modules such as pricing engines, itinerary or form builders, client proposal app, etc., • Write clean, tested code; automate everything from CI/CD pipelines (Azure DevOps/GitHub Actions) to performance benchmarks., • Investigate and diagnose issues and perform root cause analysis., • Collaborate cross-functionally with Product, Design, and Customer Success., • Propose incremental improvements and occasionally explore new tech (e.g. Azure OpenAI) when it clearly solves a problem. You might be our Senior Dev if… - Hold a 1st-class or 2:1 degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. - You love balancing delivery speed with technical excellence, and you’re keen to keep learning. 🎁 What We Offer • Competitive salary, equity options coming soon, • Remote‑first culture with asynchronous workflows, • Private healthcare, • Employer pension contributions above statutory, • Home‑office setup budget, • Coworking space allowance, • Flexible hours with async core overlap, • Professional‑development budget, • Conference & certification leave, • Choose‑your‑own‑tech toolkit, • Travel‑to‑London expenses for required in‑person meetings, • Collaborative and innovative company culture 📩 How to Apply • Send your CV., • Confirm you are currently living and legally able to work in the UK., • Share one project or decision you’re proud of, why it mattered, and what you learned. Please note: We are only considering UK‑based applicants who fully meet the role criteria. Applications that do not comply will not be considered now or in future hiring rounds. Deadline: 15th March 2026 (rolling review—apply early). Spark Travel is an equal‑opportunity employer and a welcoming neurodiverse team. We celebrate diversity and are committed to creating an inclusive environment for all. We’re not just saying that, we really mean it!

Job Title: Principal DevOps Engineer II Industry: FinTech / Payments Technology Location: United Kingdom (Fully Remote) Salary: Up to £125,000 base + 9% bonus Type: Permanent, Full-time A rapidly growing global payments technology organisation is looking for a Principal DevOps Engineer II to help define and scale its enterprise DevOps platform. This is a senior technical leadership role focused on architecting and evolving the engineering delivery platform that supports both cloud and on-premise environments. You’ll work closely with engineering leadership, security teams, and developers to design scalable CI/CD architecture, improve developer experience, and implement platform standards across the organisation. This role offers the opportunity to make a significant impact by driving automation, improving delivery performance, and shaping DevOps culture across a modern engineering environment. The Role: • Define and own the architecture of the organisation’s engineering delivery platform, covering CI/CD pipelines, artifact management, secrets management, and infrastructure provisioning., • Lead the migration and implementation of GitHub Enterprise and GitHub Actions, building reusable workflow frameworks and enforcing automated security and quality gates., • Architect and manage secrets and credential management strategies using HashiCorp Vault., • Develop and manage artifact repository strategies, including promotion pipelines, vulnerability scanning integration, and multi-language ecosystem support., • Drive Infrastructure as Code adoption using Terraform and configuration management through Ansible to enable fully automated environments., • Establish containerisation standards using Docker and Docker Compose to support consistent development and production environments., • Manage Cloudflare infrastructure including DNS lifecycle automation, WAF rules, and Zero Trust access policies., • Improve developer experience by building standardised pipeline frameworks that accelerate service delivery and reduce time-to-production., • Champion self-service and inner-source practices, creating shared tooling, documentation, and pipeline libraries for engineering teams., • Implement delivery metrics and dashboards to monitor deployment frequency, lead time for changes, and platform performance., • Provide technical leadership across engineering teams, identifying systemic delivery challenges and implementing scalable solutions., • Mentor senior engineers and contribute to raising DevOps standards through technical design reviews, documentation, and knowledge sharing. Skills Needed: • 12+ years of hands-on technical experience with strong foundations in software engineering and DevOps practices., • Proven experience delivering organisation-wide platform initiatives such as CI/CD architecture redesigns or DevOps platform migrations., • Strong coding ability in a statically typed language such as C# or Java., • Expert experience with GitHub and GitHub Actions including reusable workflows and automated pipeline frameworks., • Advanced Terraform expertise including module design, remote state management, and infrastructure policy enforcement., • Strong experience with configuration management tools such as Ansible., • Strong experience with HashiCorp Vault for secrets management and security integration., • Deep containerisation expertise using Docker and modern image optimisation practices., • Experience managing artifact repositories and CI/CD integration across multiple programming ecosystems., • Experience delivering infrastructure across cloud platforms (AWS, Azure, GCP, or Oracle Cloud) and on-premise environments., • Strong understanding of DevOps security practices including SAST, dependency scanning, container security, and supply chain security., • Excellent communication and technical leadership skills. Benefits • Fully remote working (UK-based), • 5 days paid holiday plus bank holidays, • £5,000 annual certification and professional development budget, • £60 per month work-from-home allowance, • Private healthcare, • Additional benefits and performance-based incentives Research indicates that men will apply to a role when they meet only 50–60% of the requirements, while women and other underrepresented groups often look for a 90–100% match. If this role excites you but you don’t tick every single box, please still apply. We’d love to hear from you.

Lead Developer - Remote UK - £70,000-£80,000 DOE We're working with an organisation that is building a new platform and is looking for a Lead Developer to take technical ownership from day one. This is an excellent opportunity for a senior full-stack engineer who thrives in a structured, enterprise-grade environment and enjoys staying hands-on while defining architecture, setting engineering standards, and driving secure delivery practices within a "fail fast" product mindset. The Opportunity You'll lead engineering on the first product within a wider cloud transformation strategy. The platform consists of a .NET MAUI mobile application (iOS & Android), an Angular 21 web application, and Azure-hosted backend services built using modern Microsoft technologies. Reporting to the Product Owner, you'll play a pivotal role in defining architectural standards, implementing robust DevOps practices, and ensuring security, performance, and maintainability are embedded from the outset. This role blends hands-on development, architectural leadership, and close collaboration with Product, UX (Figma), and QA teams. The expectation is high-quality, production-ready code with strong test coverage and fully automated deployments. Key Responsibilities You will be responsible for: • Writing secure, production-grade, well-tested code across backend, frontend, and mobile, • Taking architectural ownership of APIs, mobile offline patterns, and Azure infrastructure, • Designing and building RESTful services using modern .NET and clean architecture principles, • Leading Infrastructure as Code implementation using Bicep, • Driving CI/CD maturity (Bitbucket preferred) with strict SDK and dependency version control, • Ensuring OWASP-aligned secure coding practices and GDPR compliance, • Collaborating with QA to support automated and manual test strategies, • .NET 10 / ASP.NET Core Web API, • Entity Framework Core with Azure SQL, • .NET MAUI (offline-first mobile design), • Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights), • Azure Entra ID authentication & RBAC, • Angular 21, • TypeScript (strict mode), • DevExpress DevExtreme (v25), • NUnit, Vitest, and Playwright What They're Looking For • 7+ years' commercial software development experience, • Minimum 3 years working within fast-paced, "fail-fast" delivery environments, • At least 2 years in a leadership position, • Strong expertise in modern .NET and API design, • Proven Angular experience (v15+), • Hands-on Azure architecture and deployment experience, • Experience implementing Infrastructure as Code (Bicep preferred), • Experience integrating Azure Entra ID authentication, • Strong understanding of CI/CD and enterprise DevOps practices, • Security-first mindset with knowledge of OWASP Top 10, • Experience building high-performance, enterprise-grade systemsSalary & Benefits, • £70,000-£80,000 (DOE), • Remote working, • Opportunity to define technical standards from the ground up, • High-autonomy role within a senior engineering environment If you're open to a confidential discussion, apply now and I'll be in touch. Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

Senior Front-end Developer (AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: Turkey — Hybrid (Istanbul office 1 day/week + remote) Keepnet is an AI-driven SaaS platform helping organisations manage human cyber risk at scale. We’re growing strongly in the UK with increasing global momentum. With Agentic AI live in production, Keepnet runs autonomous systems that plan, build, and operate security awareness and human risk workflows — supported by strong guardrails, auditability, and observability. We’re looking for a Senior Front-end Developer who wants to build production-grade web experiences that power these systems — in an AI-first engineering team where quality, ownership, and long-term thinking matter. What You’ll Do • Build and own key parts of Keepnet’s web application (Vue/Nuxt), including performance, reliability, and maintainability., • Design and develop clean, modular UI components and shared packages (design system patterns, reusable modules)., • Implement AI-driven user experiences: human-in-the-loop approvals, guardrails-aware UI, clear feedback loops, and audit-friendly flows., • Integrate with internal APIs (and relevant third parties) to enable automation, reporting, and security workflows., • Create resilient UX for async workflows (jobs, queues, long-running tasks): polling, retries, idempotent actions, progress states, and error recovery., • Improve and maintain frontend observability (client-side logging, metrics, tracing where applicable; tools like Sentry) to prevent incidents rather than react to them., • Write and maintain automated tests across levels (unit/component and E2E) to increase release confidence., • Collaborate closely with Product, Design, Backend, and Customer-facing teams to ship features that solve real customer problems., • 5+ years building modern web applications for production SaaS., • Strong experience with Vue.js (Vue 2 & Vue 3) and Nuxt (Nuxt 2/3). (If you’re strong in Vue and can ramp quickly on the other, that’s ok.), • Solid knowledge of TypeScript, modern JavaScript, and browser fundamentals., • Strong understanding of API integration and real-world frontend architecture (state management, routing, data-fetching patterns, error handling)., • Ability to build for reliability: monitoring, debugging, incident hygiene, and continuous improvement., • Experience improving performance (Core Web Vitals, bundle optimization, SSR/CSR trade-offs, caching strategies)., • Experience with frontend testing (unit/component + E2E) and setting pragmatic quality bars., • Comfortable taking ownership beyond deployment: you ship it, you support it., • Hands-on experience using AI-assisted development and design tools such as Cursor, Figma Make, or similar — using AI daily for coding, refactoring, UI generation, and iteration, while maintaining strong engineering judgment and code quality. Nice-to-haves • Experience with Azure-based delivery pipelines (CI/CD) or cloud-native environments., • Experience with design systems (Storybook), and strong collaboration with Figma workflows., • Familiarity with accessibility (WCAG) and internationalisation (i18n, including RTL languages)., • Familiarity with React (helpful for cross-team collaboration, not required). Security mindset (important) • You build systems that are secure by design: XSS/CSRF awareness, safe auth/token handling, dependency hygiene, and careful data display. Tech Stack (Current) • Frontend: Vue (2 & 3), Nuxt, • Cloud / Delivery: Azure (CI/CD), • Observability: Sentry (and related logging/monitoring patterns) (We don’t expect you to know every tool on day one — we care about fundamentals and ownership.) Life at Keepnet Engineering at Keepnet is about craft, collaboration, and impact. What you can expect: • Hybrid working: In-office collaboration + remote focus time, • Thoughtful engineering: Time to design systems properly, not just ship quickly, • Global context: Work on a multinational platform used across multiple regions, • AI-first environment: AI-assisted development and production-grade AI systems are part of everyday work, • Team culture: Monthly team lunches and quarterly offsites, • Care about clean architecture, maintainability, and product quality, • Enjoy working with experienced peers who challenge each other constructively, • Prefer preventing incidents over reacting to them, • Want to build software used by real customers at real scale, • Believe good engineering is as much about ownership and judgment as it is about code If that sounds like you, we’d love to talk.

Application Engineer - Connect Fibre £40,000 pa plus benefits Work from Home The Role Founded in 2020 by a team of like-minded, very experienced telecoms professionals, we have one vision; to deliver. We are a rapidly growing startup with a bold plan for the rapid rollout of multi-gigabit full-fibre broadband networks and services to communities across the UK. We are seeking a motivated and detail-oriented Application Engineer to join our dynamic team supporting the development, implementation, and maintenance of software applications. Working closely with other engineers and cross-functional teams you will ensure the successful delivery of high-quality solutions that meet business and customer requirements. This is an excellent opportunity to play a big part in our transformation plans. Duties and responsibilities • Design and implement backend services and integrations using Python and modern frameworks., • Build and maintain frontend applications using PHP, JavaScript/TypeScript and frameworks like Angular or Vue., • Troubleshoot and resolve complex technical development issues, providing timely and effective solutions., • Contribute to the creation and maintenance of technical development documentation, including user guides, system documentation, and design specifications., • Conduct regular code reviews to maintain code quality, performance and adherence to coding standards., • Work closely with other engineers, product owners, and other stakeholders to understand project requirements and contribute to the design and development process., • Suggest and implement improvements to the development process, ensuring efficiency and quality in application delivery., • Working closely with the wider Technology team to align system direction and deliver improvements., • Helping shape technical decisions and taking part in solution design discussions. Qualifications and Experience A developer with a proven track record in supporting successful development projects, involved in the full development lifecycle from analysis to development. • Proficiency in at least one programming language - Javascript, Python, PHP, • Understanding of web technologies (HTML, CSS, JavaScript) is a bonus, • Experience with Wordpress and WooCommerce would be beneficial, • Familiarity with software development methodologies (Agile, Scrum, Devops etc.), • Experience of Cloud infrastructures Azure or AWS, • Working experience of API and REST API integrations, • Strong analytical and problem-solving skills to identify and mitigate development risks effectively, • Experience of development and integration of SAAS applications, Hubspot beneficial but not essential, • Knowledge of geopandas, numpy, node or SQL is desirable but not essential, • Experience with GIT and Docker processes beneficial, • Excellent communication skills with the ability to convey complex technical concepts to non-technical stakeholders Personal Profile & Working Conditions Location: Candidates must be currently resident in the UK and with either UK citizenship or indefinite leave to remain. Candidates will: ▪ Be self-starters, able to demonstrate enthusiasm, tenacity and the ability to prioritise tasks in a rapidly changing environment. ▪ Be able to work effectively in a remote/hybrid working environment with minimal day-to-day supervision. ▪ Be able to demonstrate the ability and willingness to work in a dynamic, rapidly growing organisation. ▪ Be able to collaborate effectively across the organisation. Effective communication is essential. Connect Fibre operates a hybrid working model with main emphasis on home working with intermittent visits to company office locations, in particular the main office in London. Measured on Performance evaluation will be based upon: ▪ Productivity and specific targets to be agreed collaboratively with line manager ▪ Quality of work and feedback from peers and colleagues ▪ Delivery of systems and services within agreed organisation and budget constraints ▪ Collaboration and skills as a team player. ▪ Innovation and creativity. Direct reports • This role reports directly to the Head of Systems Development. The Rewards • Salary: £40,000 per annum, • 25 days holiday plus Bank Holidays plus Birthday Off (pro-rata), • Company Pension Contribution, • Private Medical and Dental package, • £1,500 Employee Referral Scheme, • Family Friendly Support Package Connect Fibre offers excellent team and business building opportunities. Please see for more information on our exciting new business! Interested applicants should, in the first instance, apply here or send an up-to-date CV to: Paul Blunt at Connect Fibre . All applications will remain strictly confidential.

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs autonomous systems that plan, build, and operate security awareness and human risk workflows, supported by strong guardrails and observability. We’re looking for a Senior Backend Developer who wants to build production-grade backend services that power these systems, working in a multinational, AI-first engineering team where quality, ownership, and long-term thinking matter. What You’ll Do • Design, build, and maintain scalable backend services for Keepnet’s Human Risk Management platform., • Build clean, modular APIs that integrate internal services and third-party systems to enable automation, reporting, and security workflows., • Develop testable, maintainable codebases using principles such as Clean Architecture, DDD, and TDD., • Own the full development lifecycle: design, implementation, CI/CD (Azure), and post-release monitoring., • Work on distributed and asynchronous systems using message queues, background workers, and event-driven workflows., • Use observability signals (logging, metrics, tracing, tools like Sentry) to proactively detect, diagnose, and prevent production issues., • Collaborate closely with frontend, product, and customer-facing teams to deliver features that solve real customer problems., • Participate in Agile ways of working, focused on iteration, ownership, and continuous improvement. What We’re Looking For • 8+ years of experience building backend systems with .NET., • Strong understanding of API design, distributed systems, and asynchronous architectures., • Experience with SQL and NoSQL databases (PostgreSQL preferred), caching, and queuing systems., • Familiarity with cloud environments and DevOps practices (Azure preferred)., • Comfort working on production SaaS platforms, with ownership beyond deployment., • Experience using AI-assisted development tools (e.g. Cursor or similar) to support code exploration, refactoring, testing, or design discussions—while maintaining strong engineering judgment., • A strong sense of ownership and production accountability, including monitoring, debugging, and continuous improvement., • Ability to understand product and business context, making pragmatic technical decisions that balance user value, risk, and long-term goals., • A security-conscious mindset, building systems that are secure by design. Life at Keepnet At Keepnet, engineering is about craft, collaboration, and impact. What you can expect: • Hybrid Working: A balance of in-office collaboration and remote focus time., • Thoughtful Engineering: Time and space to design systems properly, not just ship quickly., • Global Context: Work on a multinational SaaS platform used across multiple regions., • AI-First Environment: AI-assisted development and production-grade AI systems are part of everyday work., • Annual Leave: 25 days (+1 per year of service)., • Health & Well-being: Gym support and cycle-to-work scheme., • Team Culture: Monthly team lunches and quarterly offsites., • Continuous Learning: Learn from experienced peers and grow your skills over time. Why This Role Is Different This role is for engineers who: • Care about system design and long-term maintainability, • Enjoy working with experienced peers who challenge each other constructively, • Prefer preventing incidents over reacting to them, • Want to build software used by real customers at real scale, • Believe good engineering is as much about ownership and judgment as it is about code If that sounds like you, we’d love to talk.

We’re hiring a Senior Software Engineer (Python) - Trading Systems to own and evolve a production options trading system. It runs during market hours, ingests real-time market data, and requires profiling-led performance engineering to keep p50/p99 latency, jitter, and reliability within tight bounds. You’ll take meaningful ownership day-to-day, partnering closely with the founder and the engineering team to prioritise work, ship improvements quickly, and keep the system fast, reliable, and correct. Who this is for • This role is for engineers who have built and owned real-time, performance-critical systems., • It is not suitable for candidates whose experience is mainly web product development (frontend-heavy or CRUD backends)., • We’re looking for proven experience with measuring and improving p99 latency/jitter and operating systems during time-critical windows., • Must be based in the UK and with a legal right to work in the UK Location: UK-based Working style: Mostly remote, occasional in-person days for planning/coordination Support: Availability during core market hours required What You’ll Do • Own and improve a production Python codebase that runs during market hours., • Build and optimise real-time market data pipelines (throughput, p50/p99 latency, jitter)., • Do profiling-driven performance work across ingestion → compute → messaging → consumers., • Improve reliability: freshness/staleness handling, safe degradation, back pressure, fault isolation., • Strengthen “developer leverage”: replay/simulation tools, regression tests, and debugging tooling., • Work with cloud infrastructure, deployment, monitoring, and incident response., • Collaborate directly with the founder and engineering team on architecture and roadmap. Essential Skills • 5+ years professional Python experience; you’ve shipped and owned production systems., • Built/owned a real-time / low-latency system (not batch ETL) with measurable performance goals., • Strong understanding of async + multiprocessing trade offs and performance profiling., • Comfortable owning an existing codebase: refactors, tests, architecture improvements., • Experience with messaging / event-driven systems and strong API/schema discipline., • Production ownership mindset: incidents, monitoring, and fast debugging when it matters., • UK-based preferred and able to support core market hours when required. Desirable Skills • Interactive Brokers (TWS/IB Gateway) or similar brokerage/execution APIs., • Experience with trading, market data, or execution systems., • Experience designing safety constraints/guardrails in automated systems. What We Offer • Competitive salary (negotiable) + performance-related bonus., • Mostly remote, with some in-office collaboration days for coordination and planning, • Lean environment, direct impact on a live system., • High ownership and influence over system design and roadmap.

Backend Software Engineer VC-backed Tech: Node / MongoDB Fully remote in the UK • Have you worked for a start-up or scale-up software company?, • Are you passionate about solving clients' real problems and making a difference in their business?, • Do you have 5+ years' commercial development experience in NodeJS? Our client, VC-backed software vendor, believes in a world where all businesses have the confidence that they will get paid for their work. They're an international team all focused on making a huge difference so have lots of ideas and are incredibly driven. We support and care about each other, there's no room for egos, the only agenda is making sure everything they do is to the best of their abilities. They are looking for a pro-active, analytical Backend Software Engineer to join a growing team. You will have an entrepreneurial and empathetic mindset that propels you to commit to delving deep into the user experience, the challenges they face and how to improve the product. You'll also come with strong collaboration skills, and the ability to document proper requirements for short term and long-term projects. Backend Software EngineerResponsibilities • Design, development and testing of new features in the applications, • Implement, test, and bug-fix functionality, • Work with and support the product manager on new initiatives and features development, • Participate as a team member in fully agile Scrum deliveries Backend Software Engineer Requirements • 5+ years experience developing applications in Node.js, • Experience with MongoDB or other non-relational databases, • Experience in a start-up and scale-up software company, • Experience in development of distributed/scalable systems and high-volume transaction applications, • Follow best practices and design patterns, • Good communication skills, both verbal and written No visa sponsorship. Must work in the UK. UK standard hours (flexibility 8/9am - 4/6pm) For more information, please contact Katie at Matched Group Senior Backend Engineer / Senior Backend Developer / Node Developer / Node Engineer / Backend Developer / Backend Engineer / NodeJS

Node (Backend) Software Engineer VC-backed Tech: Node / MongoDB Fully remote in the UK • Have you worked for a start-up or scale-up software company?, • Are you passionate about solving clients' real problems and making a difference in their business?, • Do you have 5+ years' commercial development experience in NodeJS? Our client, VC-backed software vendor, believes in a world where all businesses have the confidence that they will get paid for their work. They're an international team all focused on making a huge difference so have lots of ideas and are incredibly driven. We support and care about each other, there's no room for egos, the only agenda is making sure everything they do is to the best of their abilities. They are looking for a pro-active, analytical Node (Backend) Software Engineer to join a growing team. You will have an entrepreneurial and empathetic mindset that propels you to commit to delving deep into the user experience, the challenges they face and how to improve the product. You'll also come with strong collaboration skills, and the ability to document proper requirements for short term and long-term projects. Node (Backend) Software Engineer Responsibilities • Design, development and testing of new features in the applications, • Implement, test, and bug-fix functionality, • Work with and support the product manager on new initiatives and features development, • Participate as a team member in fully agile Scrum deliveries Node (Backend) Software Engineer Requirements • 5+ years experience developing applications in Node.js, • Experience with MongoDB or other non-relational databases, • Experience in a start-up and scale-up software company, • Experience in remote working, • Experience in development of distributed/scalable systems and high-volume transaction applications, • Follow best practices and design patterns, • Good communication skills, both verbal and written No visa sponsorship. Must work in the UK. UK standard hours (flexibility 8/9am - 4/6pm) For more information, please contact Katie at Matched Group Senior Backend Engineer / Senior Backend Developer / Node Developer / Node Engineer / Backend Developer / Backend Engineer / NodeJS

Company Overview At SmartResilience, we are driving the future of climate adaptation by helping organisations reduce their climate risk and improve resilience through data-driven solutions. Our clients, including industry leaders in food, healthcare, manufacturing who trust us to provide clear, actionable insights that help them navigate the complex landscape of climate change adaptation. As we continue to grow, we are looking for individuals who are passionate about technology and climate action to join our forward-thinking team. Our company culture is built on collaboration, innovation, and a shared commitment to making a positive impact on the environment. Position Overview We are looking for a Senior Full Stack Developer with a strong focus on Python, AWS, microservices, and ideally, experience working within React-based environments. This role will be instrumental in building and maintaining the backend services that power our climate risk models and resilience solutions. You will work closely with software development and climate science colleagues to create scalable, reliable, and high-performance systems that deliver seamless client experiences. The ideal candidate should be based in UK or Spain. The role is fully remote but with team gatherings quarterely Key Responsibilities • Take full ownership of the design, delivery, and performance of core backend services powering our climate risk and resilience platform., • Architect, build, and scale secure, production-grade microservices in Python on AWS, ensuring reliability, resilience, and long-term maintainability., • Drive technical decision-making across system design, infrastructure, and deployment patterns, shaping the evolution of our architecture as the platform grows., • Work autonomously in a fast-paced, evolving environment, balancing speed with engineering rigour while adapting to shifting priorities and new client requirements., • Partner closely with data scientists to productionise climate models, translating complex analytical outputs into scalable, high-performance APIs and services., • Collaborate cross-functionally with frontend engineers (React) to deliver seamless end-to-end functionality and an exceptional client experience., • Own system reliability in production — implementing monitoring, observability, testing frameworks, and proactive performance optimisation., • Identify bottlenecks, technical debt, and architectural risks early, and take initiative to design pragmatic, scalable solutions., • Champion engineering best practices, high coding standards, and AI-assisted development workflows that increase velocity without compromising quality., • Contribute to a culture of accountability, continuous improvement, and shared ownership across the engineering team. Qualifications & Experience • Proven experience (3-5 years) as a backend developer with proficiency in Python, AWS services (Lambda, S3, RDS, etc.), and microservices architectures., • Familiarity with frontend frameworks, especially React, and how they integrate with backend services., • Strong understanding of RESTful APIs and data management using SQL/NoSQL databases., • Experience in deploying and managing cloud-based applications, including working with CI/CD pipelines., • Familiarity with serverless architectures and designing highly scalable backend solutions., • Ability to write well-tested, clean, and efficient code, and experience working in an Agile development environment. Key Competencies • Problem-solving mindset with an ability to work independently or collaboratively., • Excellent communication skills, capable of explaining technical concepts to non-technical team members., • Attention to detail with a focus on delivering reliable and scalable solutions., • Ability to thrive in a fast-paced, dynamic work environment. At SmartResilience, we pride ourselves on our inclusive, collaborative, and mission-driven culture. We believe in empowering our team members to bring fresh ideas to the table and supporting their professional growth through continuous learning. We embrace flexibility, encourage innovation, and are committed to creating a workplace where everyone can contribute to our goal of helping businesses adapt to the changing climate. • Be part of an innovative company shaping the future of climate adaptation., • Flexible working hours and remote work options., • A supportive and open-minded work environment that encourages creativity and problem-solving., • Help build solutions that have a meaningful impact on businesses and the environment., • Professional development opportunities with a focus on upskilling and learning new technologies., • Competitive salary, benefits, and opportunities for growth.

The position also offers flexible working options, including full remote. A tech-driven software company in NE England seeks a skilled Java Developer to enhance web applications and contribute to AI tool adoption.

Senior Full Stack Developer - Remote - Competitive Salary I'm working with an exciting organisation that is looking to appoint a Senior Full Stack Developer to help design and deliver secure, cloud-native applications within a modern Microsoft and Azure ecosystem. This is an excellent opportunity for an experienced full-stack engineer who thrives in structured architectural environments and enjoys building scalable, enterprise-grade systems using the latest .NET and Angular technologies. Key Responsibilities You will be responsible for: Designing and developing scalable backend services using .NET 10 and ASP.NET Core Web APIs Building and maintaining Angular 21 front-end applications using DevExpress DevExtreme v25 Implementing Azure-native solutions (App Services, Azure SQL, Storage) Developing and maintaining Infrastructure as Code using Bicep Integrating Azure Entra ID for authentication and role-based access control Managing secure secrets via Azure Key Vault Writing and maintaining unit and frontend tests (NUnit and ViTest) Contributing to CI/CD pipeline improvements and secure deployment practices Participating in architecture and technical design reviews Ensuring all development aligns with OWASP security best practices Tech Stack & Environment Core technologies: .NET 10 / ASP.NET Core Angular 21 (mandatory) DevExpress DevExtreme v25 (mandatory) Entity Framework Core TypeScript / RxJS Microsoft Azure Azure Entra ID Azure Key Vault Bicep (Infrastructure as Code) CI/CD pipelines Bitbucket (Git) You'll also work closely with UI/UX teams using Figma and operate within Agile delivery frameworks. What They're Looking For 5+ years' commercial software development experience Strong expertise in modern .NET Proven experience with modern Angular (15+ ideally) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure as Code (Bicep preferred) Experience integrating Azure Entra ID authentication Strong understanding of RESTful API design Experience implementing CI/CD pipelines Background working in regulated or security-sensitive environments Experience with DevExpress / DevExtreme is highly desirable. Why This Role? This is a standout opportunity for a senior engineer who values secure architecture, clean code, and modern Azure cloud engineering. You'll join a mature technical environment with clearly defined standards, strong DevOps practices, and a genuine commitment to security and scalability. If you're open to a confidential discussion, apply now and I'll be in touch. Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website. TPBN1_UKTJ