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    Exploit Developer — Offensive Security Engineer

    A leading security recruitment firm is seeking an Exploit Developer in Basingstoke. This role involves developing robust software within unique environments while supporting vulnerability research. Ideal candidates will have extensive experience in software development and secure practices, proficiency in langua ...

    Full Stack Engineer (London) Python, AWS, Vue/React

    A leading tech recruitment agency is offering a Full Stack Developer Opportunity in London. The successful candidate will design and implement services in Python and collaborate on infrastructure maintenance in a dynamic, agile team. They must have at least 4 years of experience and the right to work in the UK. ...

    Junior Data Analytics & Visualization Engineer (Hybrid)

    A leading motorsport team in the UK is seeking a skilled software developer to create tools for the analysis and visualization of experimental data. You will work closely with engineers to enhance car performance through innovative software solutions. A strong academic background in Mechanical or Aeronautical En ...

    Remote Backend SaaS Engineer — Python & API

    A leading open source software company is looking for a talented software developer to create new features and improve the Landscape codebase. The role involves remote collaboration with a global team, committing to high-quality code and automated testing, and requires strong proficiency in Python and experience ...

    Ruby on Rails Developer — Ownership, Equity & Hybrid London

    A fast-growing technology business is looking for a Ruby on Rails Developer in London (hybrid). You'll work on a modern platform focusing on backend services and APIs, with the opportunity to influence architectural direction in a small team. The role requires 2+ years' experience in Ruby on Rails or Python, and ...

    Senior Java Developer – Middle Office (Hybrid, London)

    A leading financial services company is looking for a Senior Java Developer to join their Middle Office Transformation team in London. This hybrid role requires advanced Java skills and a strong foundation in Python, along with experience in handling large data warehouses. Ideal candidates will have prior experi ...

    Senior Market Data Engineer — C++/Python, Hybrid

    A leading data analytics firm is seeking a Senior Developer to build and maintain data parsers for market data. The role requires experience in C++ and Python, with a background in financial market data. Responsibilities include owning development projects and delivering new solutions. The company offers competi ...

    Identity & API Engineer – Cloud IAM & Pub/Sub

    A leading tech company in South Yorkshire is seeking an experienced Application Developer to build secure identity and access workflows. The ideal candidate will have over 10 years of relevant experience, working closely with technical teams to implement robust automation and governance workflows. Key responsibi ...

    Global Market Data Engineer (C++/Python)

    A global trading firm in Greater London is seeking a Market Data Developer to build and support a C++ technology stack for trading across various markets. In this role, you'll work with software engineers on full-stack development and collaborate closely with traders and quantitative researchers. Required qualif ...

    Senior Backend Python Engineer – Scale & Impact (Hybrid, London)

    A leading grounds maintenance company is seeking a Senior Backend Developer to join a product-focused engineering team. You will design and build backend applications that support complex workflows. The role combines exciting challenges in a hybrid working environment, fostering professional growth with clear ca ...

    Senior Backend‑Focused Full‑Stack Engineer — Scale Impact

    A leading educational technology company in Greater London is searching for a Full-Stack Developer to engage in backend and frontend development using cutting-edge technologies like Python and Django. The ideal candidate will thrive in a collaborative environment and drive innovation through data-driven decision ...

    Senior Full Stack Engineer – Aviation Systems (Python/.NET)

    NineTech is hiring a Senior Full Stack Developer in West Drayton, offering a salary of £70,000 – £80,000. You will join a collaborative team focused on building advanced software solutions for aviation. Key responsibilities include designing scalable applications, developing backend APIs, and contributing to sys ...

    Senior DevTools Engineer Hybrid Work, High Impact Tools

    Tower Research Capital, located in Greater London, is seeking an experienced software engineer to enhance developer productivity and systems infrastructure. You'll design tools, automate workflows, and collaborate across teams. Ideal candidates should have strong programming skills in C++, Rust, and Python, alon ...

    Full Stack Aero Software Engineer: End to End Impact

    Cadillac Formula 1 Team in Silverstone is seeking a software developer to work within the Aerodynamics department. The role involves developing software solutions, maintaining custom tools, and collaborating with engineers on a range of tasks from concept to deployment. Ideal candidates will possess a technical ...

    Remote Software Engineer — Scalable Full Stack Apps

    YO IT Consulting is looking for a Software Developer to join a collaborative team focused on driving innovation and technical excellence. The ideal candidate will have over 3 years of experience in software development using modern programming languages. Responsibilities include designing scalable applications, ...

    Software Engineer (C++/Python) – Risk Systems (London)

    Client Server is seeking a Software Engineer / Developer for a hands-on role in London, focusing on financial Risk systems. With a competitive salary of up to £130k plus a significant bonus, the position offers benefits such as a pension, healthcare access, and work-from-home options. Candidates should possess s ...

    Quant Dev Trading & Client Controls (Hybrid)

    Deutsche Bank in London is seeking a Quantitative Developer for the Trading and Client Controls team. You will be responsible for developing anomaly detection models to identify fraud, managing stakeholders, and driving high-quality code development. The role requires strong data science skills, excellent progra ...

    Senior Backend Architect (Remote) Multitenant

    A dynamic technology education provider in the United Kingdom is searching for a skilled developer to join their remote team. The ideal candidate will have deep expertise in multitenancy and experience with statically typed languages such as C#, Java, or Kotlin. A strong willingness to learn Python and mastery o ...

    Senior Quantitative Developer Rates & Derivatives

    A global financial institution is looking for a Quantitative Developer to enhance its Rates business through advanced modeling solutions. The role involves developing and implementing sophisticated analytical and risk management models while ensuring they are well-documented and tested. Ideal candidates will pos ...

    Senior Quant Developer – Derivatives Risk & IMM Analytics

    Talensa is seeking an experienced Quantitative Developer at Associate Director level to enhance their Derivatives risk management. The role requires strong expertise in Python and experience in quantitative development to build risk libraries, validate methodologies, and collaborate with cross-functional teams. ...

    Backend‑First Full Stack Engineer for AI Platform — Equity

    Jack & Jill is looking for a Full-Stack Engineer (Back-End Leaning) in London, UK, to join their elite engineering team. You will own backend architecture and build scalable systems for a high-growth AI platform. The role encompasses designing robust backend systems, maintaining API infrastructure, and making ar ...

    Software Developer — End to End Solutions in FinTech (Newcastle)

    Core-Asset Consulting is looking for a Software Developer in Newcastle upon Tyne, England. This role offers the chance to work on innovative software solutions in a collaborative environment while taking ownership of projects from inception to delivery. Candidates should have strong programming skills in languag ...

    Senior Platform Engineer ML/GenAI Infra, Equity (Hybrid)

    Dex is seeking a Senior Platform Engineer in London, offering up to £200,000 + equity. The ideal candidate will have a track record of building platforms for engineering teams, with expertise in languages like Python or Go. Responsibilities include designing and operating core services, and owning developer expe ...

    VP, Equities Tech Full Stack Engineer (Kotlin/Python)

    Citi is seeking a Vice President Developer for their Strategic Equity Solutions team to design and develop innovative software solutions enhancing trader workflow. The successful candidate will possess strong backend skills in Kotlin/Python and a deep understanding of trading workflows. This role offers substant ...

    Backend Data Engineer: Python, ETL & AI Pipelines

    A public sector organization seeks a Software Developer experienced in back-end development with a focus on data pipelines. The role involves leading data engineering, supporting Agile teams, and mentoring junior developers. Ideal candidates are proficient in Python and familiar with ETL processes, AWS services, ...

    Senior Quant Developer: Derivatives Risk & IMM

    Talensa Partners is looking for a Quantitative Developer in London. This role is key for maintaining and enhancing Derivatives risk - Initial Margin Model (IMM) and analytics infrastructure. Candidates should have strong programming skills in Python, knowledge of risk modeling, and a Master's in a quantitative d ...

    Senior Backend Engineer Build Scalable Green Tech

    Octopus Energy based in London is looking for a backend developer with 5+ years of experience in web application development, particularly with Python and Django. The role involves designing systems in cloud environments and collaborating across teams to create impactful products. An exceptional candidate will h ...

    Senior Backend Architect for Global, High Performance Systems

    ZeroLight is seeking a Senior Back End Developer in Newcastle upon Tyne. This role focuses on architecting systems and delivering technical solutions for global partners. Candidates should have 5-10 years of experience in software engineering with deep expertise in Python and Node.js, along with a solid understa ...

    Principal Engineer C#/.NET, AWS, AI Driven FinTech

    Client Server is looking for a Principal Software Engineer / Developer (C# .Net AWS Python) in London with a salary up to £120k. In this role, you will architect and build scalable solutions, collaborate with Agile teams, and drive AI adoption. Key qualifications include strong C# and AWS skills, experience with ...

    API Solutions Architect

    Ameresco is seeking an API Developer to join their Asset Sustainability Group in Greater London. In this role, you'll design and implement robust API solutions, collaborating with clients and internal teams to ensure application performance and security. We're looking for candidates with a degree in Computer Sci ...

    C++ Software Engineer Hybrid (Embedded & AI)

    Jenoptik AG in Farnborough is seeking a skilled Software Developer to work in a hybrid role. The ideal candidate will have robust C++ skills, knowledge of Python, and experience with embedded systems. You will design and maintain applications, contribute to CI/CD processes, and collaborate with cross-functional ...

    Senior Frontend & Python Engineer – Hybrid Network Automation

    State Street is seeking a highly skilled senior developer in Greater London for full stack development of solutions to automate network technologies. Ideal candidates should have strong proficiency in Python and experience with web frameworks, RESTful APIs, and front-end technologies. The role is hybrid (4 days ...

    Front Office Quant Developer: Real Time Pricing & Risk

    Tempest Vane Partners is seeking a front-office quant developer to build production pricing and risk analytics in Greater London. The successful candidate will have 3+ years of experience and will be responsible for enhancing pricing models for Interest Rate Derivatives, delivering low-latency services directly ...

    Backend Engineering Intern: Scalable Game Services

    A leading global gaming brand in the UK seeks a backend developer to enhance its unified account architecture and develop backend components for overseas games. Candidates should hold a degree in Computer Science or a related field, possess experience in languages like C/C++, Go, Python, or PHP, and show an unde ...

    Aspiring Software Developer Hybrid, Mentorship & Growth

    A global marketing advisory is seeking a Junior Developer to join their London team. You will support the design and maintenance of software platforms, improve existing systems, and work in a collaborative environment. Candidates should have some knowledge of Python, JavaScript, or SQL, and be eager to learn. Th ...

    Hypervisor Tools Engineer Automation & DevOps for AHV

    A leading enterprise software company is seeking a Software Developer to design, develop, and maintain internal tools for their Hypervisor (AHV). This role emphasizes collaboration in a hybrid work environment, requiring coding skills mainly in Python or Rust. Candidates should possess a degree in Computer Scien ...

    Senior Backend Engineer — AI Powered Platform (Onsite Bristol)

    A dynamic start-up in Bristol is searching for a Senior Backend Developer with strong Python expertise and experience in AI integration. The candidate will design scalable backend systems, mentor junior developers, and ensure high performance and security standards. Responsibilities include developing AI-powered ...

    Senior Python Data Engineer — REST APIs & AWS Lambda

    A dynamic software development company in London is seeking an experienced developer with a strong background in Core Python (3.7+) and REST APIs. The ideal candidate has a minimum of 5 years’ experience, possesses strong problem-solving skills, and is comfortable in an Agile workspace. Familiarity with AWS Lamb ...

    Senior Tools Engineer: Build Scalable, Cross Game Tools

    A leading gaming company in Greater London is seeking a Senior Tools Developer to innovate and maintain their tooling infrastructure. The role involves designing tools and collaborating with diverse teams to optimize workflows across projects. Ideal candidates will have excellent C++ and Python skills, strong co ...

    Embedded Systems Software Intern (Kernel/Drivers)

    A leading AI hardware company based in Bristol is seeking a software developer focused on low-level software, including embedded systems and device drivers. Candidates should have a Bachelor’s or Master’s degree in relevant fields and experience with languages like C, C++, and Python. Responsibilities include wr ...

    Python Software Engineer – Hybrid London, Up to £140k

    An elite tech firm in London seeks a Software Developer (Python) offering a competitive salary of up to £140,000 plus bonus and package. The role involves working on some of the highest performing technology platforms worldwide, collaborating with a select group of top talent. The company values its Software Eng ...

    Senior Software Engineer, Generative AI for Physics

    BeyondMath, a pioneering startup in Greater London, is looking for an experienced full-stack developer to contribute to their generative physics platform. This role involves designing scalable software, building data pipelines, and leveraging cloud technologies, primarily AWS. Candidates should have a strong pro ...

    Senior Quant Developer, Derivatives Risk & Pricing

    Apex Systems US is seeking a skilled developer with over 5 years of experience in Python and an understanding of financial services, particularly in derivative risk systems. Candidates should have a degree in computer science and demonstrate strong communication skills to work with stakeholders. The role involve ...

    I&C Web & Automation Software Engineer (Energy Projects)

    Amentum is seeking a Commissioning Engineer (Software Developer) in Bristol, UK to develop and support software for instrumentation and control (I&C) system commissioning activities across reactor units. The role involves designing solutions, improving web applications, and ensuring software quality. Ideal candi ...

    Front Office Derivatives Developer

    Marex in Greater London is seeking a Front Office Developer to deliver trading tools and applications focusing on hedging and risk management. The ideal candidate should have strong skills in Python and software design, along with the ability to work autonomously and under pressure. This position entails close c ...

    Hybrid Full Stack Engineer: AI, Azure & FinTech

    Aimtech Recruitment is seeking a Full Stack Developer in Greater London to design and develop scalable applications for a Financial Services client. This hybrid role demands expertise in C#, ASP.NET Core, Python, and experience with integrating AI solutions and cloud technologies. Strong back-end development wit ...

    Backend Engineer, Developer Experience Tools

    User Testing Company in Edinburgh is seeking a Backend Engineer to join their Developer Experience team. This role aims to enhance engineering workflows and improve how software is built and deployed. Ideal candidates will have solid experience in building backend systems and proficiency in Node.js, Python, or G ...

    Senior Software Developer — Remote AI Driven SAP Automation

    Avantra is seeking a Senior Software Developer to join their dedicated team. The role involves full-stack development primarily using Java, Kotlin, Python, and TypeScript. You'll work to enhance core code functionalities, focusing on generative AI capabilities and collaborating with international teams. Candidat ...

    FinTech Backend Engineer (Python/Django) – London Hybrid

    Signify Technology is seeking an experienced Python Developer with expertise in Django and SQL/PostgreSQL for a hybrid role in London. The successful candidate will develop and maintain web applications and backend systems specifically in the FinTech industry. Key responsibilities include writing clean code, opt ...

    ML Developer Tools Engineer: Build DevTools for ML

    ARM is seeking a Software Engineer to join our team in Cambridge, UK, contributing to innovative projects in machine learning development. The role involves building and maintaining developer-facing tools and APIs, collaborating with multi-functional teams, and writing high-quality, maintainable code. Candidates ...

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