161 jobs found

Job Title: Quantitative Developer Location: London, UK (Hybrid) Duration: 12 Months+ Extendable contract Job Description Looking for a highly senior hands-on Quantitative Engineer / Quant Developer with strong experience in Exotic OTC Derivatives pricing and risk modelling. This is a pure hands-on individual contributor role and not suitable for managerial, architecture-only, or research-focused candidates. Should have around 15-20+ years of experience in quantitative development with strong exposure to production-grade pricing libraries, risk engines, calibration frameworks, and exotic payoff models across asset classes such as Equity, Rates, FX, and Commodities. Need someone who can independently write pricing algorithms, validate quantitative outputs, and explain the mathematical models and pricing papers in detail. The candidate should be capable of verifying pricing numbers against market standards and supporting client-facing validation documentation. Python is the preferred primary programming language, while strong Java experience is also highly preferred because the team works primarily in a Java-based environment. Candidates with C++ background can also be considered if they have strong quantitative engineering experience. Requires strong experience in performance optimization, scalable pricing implementations, and low-latency quantitative systems. This role requires both numerical accuracy and production efficiency. The candidate should have deep understanding of exotic derivatives, OTC market behaviour, pricing conventions, curve frameworks, sensitivities, calibration techniques, stress testing, and real-world quantitative modelling constraints. Candidates with a Master's or PhD in Mathematics, Physics, Engineering, Computer Science, or related fields are preferred. However, strong commercial experience can compensate for the absence of a PhD.

Java Developer/Engineer Public Sector Client 3-Month Rolling Contract Contract Details Contract: 3-month rolling Rate: £425 per day Clearance: BPSS only Location: 1 day per month in Newcastle (nice to have, not essential), can be fully remote We are working with a public sector client to bring on a Java Engineer/Developer to support an established engineering team click apply for full job details

Prestigious opportunity for a talented and experienced Senior Java Developer to join a fast growing technology and transformation team delivering innovative, large-scale engineering solutions.This role sits at the intersection of technology, data, and AI, working on some of the UK's most ambitious digital programmes. You'll play a key role in designing and building modern, scalable applications th click apply for full job details

Senior Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Reactive Programming, MongoDB Payments A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech click apply for full job details

Are you a Senior Software Engineer looking for an interesting job opportunity? Our client, TKMS ATLAS UK, are seeking a Senior Software Engineer with skills in Java to work on the development of marine-based autonomous systems. This job will be based out of TKMS ATLAS UK's headquarters in Winfrith, Dorset. This position will need weekly on-site working, around 3 / 4 days on-site per week click apply for full job details

Technical Lead Engineer (Full Stack Java / Vue.js) Our client based in Manchester City Centre is currently looking for an experienced Java Technical Lead Engineer to join our growing team, helping to shape and deliver high-quality, end-to-end solutions across their platform. This is a key role where youll act as the bridge between our Java/Spring backend and Vue click apply for full job details

Position: Frontend UI Engineer (Angular) Location: Basildon, UK (On-Site) 6-12-month contract position We are seeking an experienced Frontend UI Engineer (Angular) to join a high impact Risk & Fraud Technology team at a leading UK fintech. This role focuses on building scalable, data intensive user interfaces that support fraud monitoring, risk management, and operational decision making. The ideal candidate is a hands-on engineer with strong software fundamentals, proven experience writing Angular applications from scratch, and comfort working in complex, fast moving, and highly regulated environments. Core Responsibilities Design, develop, and maintain Angular based single page applications supporting risk and fraud workflows. Build reusable, modular UI components using TypeScript, Angular, HTML, and CSS. Implement data heavy user experiences, including tables, dashboards, and visualizations. Collaborate with backend teams to integrate REST APIs and microservice based systems. Apply best practices in state management, performance optimization, and UI scalability. Contribute to frontend architecture decisions, coding standards, and shared component libraries. Work in an Agile environment and collaborate with product, UX, backend, and DevOps teams. Required Skills & Experience Strong hands-on frontend development experience, with at least 4+ years building production Angular applications. Proficient in TypeScript and modern JavaScript, with solid understanding of browser fundamentals. Proven experience building Single Page Applications (SPAs) with Angular, including components, services, and routing. Practical experience with Angular concepts such as RxJS, dependency injection, and state management patterns. Experience building reusable UI components and working with modular frontend architectures. Familiarity with data rich UI elements such as tables, grids (e.g., AG Grid or similar), and basic charting/visualisation. Experience consuming REST APIs and working alongside backend teams in microservices based environments. Proficiency with Git and modern build/package tools (npm, yarn). Comfortable working in Agile delivery teams, collaborating with multiple stakeholders, and iterating quickly. Required Personal Skills: Good communication skills and will be able to work within an international team Self-motivated individual and creative thinker who will take ownership of tasks assigned. Able to thrive in a fast-paced, high energy, demanding and team-orientated environment. Excellent problem-solving skills Strong communication skills both verbal and written. Capable of collaborating effectively across a variety of IT and Business groups, across regions and different roles Good customer service skills. Ability to deal with difficult situations/individuals gracefully Skills Desired: Experience in risk, fraud, payments, or financial systems Exposure to CI/CD pipelines and DevOps enabled frontend delivery Awareness of frontend performance tuning and accessibility best practices Experience modernizing or upgrading Angular versions

Job Title Test Engineer Day Rate 400/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for an experienced Test Engineer to join an established delivery team. You will be responsible for ensuring the quality and reliability of complex digital solutions, bringing strong automation and integration testing expertise across a modern TypeScript and/or Java technology stack. KEY RESPONSIBILITIES Design, build, and maintain automated test suites using Playwright or Selenium Write and maintain test code in TypeScript and/or Java to a high standard Plan and execute integration testing across complex, distributed system components Embed automated testing within CI/CD pipelines, ensuring quality gates are in place throughout the deployment process Develop and execute test strategies, test plans, and test cases across functional, regression, and integration testing Work closely with developers and architects to embed quality throughout the delivery lifecycle Identify, document, and track defects through to resolution, escalating risk where appropriate Provide clear and concise test reporting to the wider programme team SKILLS AND EXPERIENCE NHS or government experience is essential - candidates without this will not be considered Strong experience in test automation using Playwright and/or Selenium Proficient in TypeScript and/or Java for test development Solid experience with CI/CD tooling and integrating automated tests into deployment pipelines Proven integration testing experience across complex, distributed systems Comfortable working in an Agile delivery environment alongside cross-functional teams Strong attention to detail with clear written and verbal communication skills Able to work remotely and independently with occasional travel to London Apply now or email for more information.

We're working with a fast-growing, award-winning business to find a talented Mid-Level Full Stack Developer (.Net / C#) to join their expanding engineering team. This is a brilliant opportunity for a developer who wants genuine ownership, high standards, and the chance to help scale a product already making a real difference for businesses across the UK. Location: Durham / Sunderland area . Salary: £45,000 to £50,000 plus bonus and an extensive benefits package. Working arrangement: hybrid, a mix of home and office working. Contract type: permanent. What you'll be doing Designing, building and maintaining in-house software products across the full stack. Writing clean, well-tested code using recognised patterns including SOLID principles and TDD Collaborating within an Agile team using Scrum and Kanban, contributing to delivery rituals and end-to-end processes Conducting root cause analysis on defects and owning resolution through to production Helping shape engineering standards and contributing ideas to a team that genuinely values continuous improvement What you need to bring Hands-on experience with .NET / .NET Framework and C# Experience with Blazor and React / JavaScript for front-end development Confidence deploying to Microsoft Azure, including containerisation with Kubernetes Solid working knowledge of Entity Framework and T-SQL A strong understanding of secure, scalable software design A team-first mindset with high standards for quality and craft Desirable: experience using AI-assisted development tools (e.g. for code generation or refactoring) in a pragmatic, quality-conscious way Why you'll love this job Join a tech-led business at a pivotal moment, taking their core product well beyond MVP, so your work will genuinely matter Work in a forward-thinking engineering team with strong centres of excellence where good ideas are heard and acted on A culture built around authenticity and innovation, not corporate box-ticking Bonus, an extensive benefits package, and real scope to grow as the business scales Sound like your kind of challenge? Apply now with your CV and one of our team will be in touch to discuss the role in more detail. We're moving quickly on this one, so don't wait.

Full Stack Engineer / Developer (C# .Net Core JavaScript AWS) St Albans / WFH to £100k Opportunity to progress your career in a hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses click apply for full job details

Job Title Java Developer Day Rate 500/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for an experienced Senior Java Developer to join a high-performing engineering team. You will take a lead role in the design and delivery of complex, enterprise-scale solutions, bringing strong Java, AWS, and API expertise to a programme that is making a real difference to patient care across the country. KEY RESPONSIBILITIES Lead the design and development of robust, scalable Java-based applications across the programme Build and maintain cloud-native solutions on AWS, applying well-architected principles throughout Design, develop, and test REST APIs to a high standard, ensuring performance, reliability, and security Use Postman for API testing, documentation, and validation across development and test environments Contribute to architectural decisions and technical standards alongside the Technical Architect Carry out thorough code reviews, championing quality and engineering best practice across the team Troubleshoot and resolve complex issues across development, test, and live environments Support CI/CD pipeline development and automated testing practices Collaborate effectively with cross-functional teams including architects, testers, and product owners SKILLS AND EXPERIENCE NHS or government experience is essential - candidates without this will not be considered Strong, demonstrable senior-level Java development experience on complex, enterprise-scale programmes Solid AWS experience across core services including EC2, Lambda, S3, and RDS Proven REST API design and development experience, with strong understanding of API security and governance Proficient in Postman for API testing and documentation Experience working in Agile delivery environments Strong communication skills with the ability to engage across technical and non-technical teams Comfortable working remotely and independently with occasional travel to London Apply now or email for more information.

Contract Senior Software Engineer (Java or Python) Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop and support P&L, accounting, and returns-calculation applications across trading books Build and extend our Client Reporting Framework Add instrument and asset class coverage in our Trade Repository system Manage data exchange with third-party vendors via SFTP and AWS S3 Use AI coding assistants (Claude, Cursor, GitHub Copilot) to compress delivery timelines while maintaining full code ownership and quality accountability Collaborate with quant researchers and traders to translate complex financial requirements into auditable, production-grade code Provide production support, working with Platform and SRE teams as needed Key Requirements: Technical: 8+ years commercial experience in Python or Java across the full development lifecycle 5+ years in financial services (buy-side strongly preferred) Solid relational database skills; MS SQL Server a strong plus Snowflake experience required Familiarity with AWS (S3, Lambda, EC2, Glue or similar) Proficiency with Git, CI/CD pipelines, and observability tooling (e.g. Datadog) AI & Tooling: Proven, hands-on experience shipping production code using AI coding assistants such as Claude, Cursor, or GitHub Copilot Demonstrable examples where AI tooling reduced delivery time by 2x or more on a meaningful task Strong prompt engineering skills and the ability to critically evaluate AI-generated code for correctness, security, and financial accuracy Desirable, but no essential: Experience with Apache Airflow or similar workflow schedulers REST or GraphQL API design experience Knowledge of fixed income, FX, or derivatives products and associated P&L/risk methodologies