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Graphics Tool Developer

The Role Job Description You will be joining our Performance Tools team, who design and develop the tools that games developers and application developers use to profile and debug their work for optimum performance, enabling the next generation of mobile g ...

Graphics Tool Developer

The Role Job Description You will be joining our Performance Tools team, who design and develop the tools that games developers and application developers use to profile and debug their work for optimum performance, enabling the next generation of mobile g ...

Ruby on Rails Software Developer Volunteer

Help power free access to millions of family history records. We’re seeking Ruby on Rails developers, to support our volunteer-led platforms and shape the future of digital genealogy. What difference will you make? Our services are entirely free to access, and they rely on a combination of ...

Graphics Tool Developer

The Role Job Description You will be joining our Performance Tools team, who design and develop the tools that games developers and application developers use to profile and debug their work for optimum performance, enabling the next generation of mobile g ...

Graphics Tool Developer

The Role Job Description You will be joining our Performance Tools team, who design and develop the tools that games developers and application developers use to profile and debug their work for optimum performance, enabling the next generation of mobile g ...

Senior Software Engineer Engineering Workflow and CI

Senior Software Engineer - Engineering Workflow and CI at Mozilla Corporation Team: Firefox Locations: Remote Belgium, Remote Spain, Remote Netherlands, Remote Sweden, Remote Germany, Remote France, Remote UK, Remote Finland To learn the Hiring Ranges for this position, please select your lo ...

Senior Software Engineer Engineering Workflow and CI

Senior Software Engineer - Engineering Workflow and CI at Mozilla Corporation Team: Firefox Locations: Remote Belgium, Remote Spain, Remote Netherlands, Remote Sweden, Remote Germany, Remote France, Remote UK, Remote Finland To learn the Hiring Ranges for this position, please select your lo ...

AI / Machine Learning Engineer

Please be aware that the provided salary range serves as a general reference. If you possess exceptional skills or can significantly contribute to the project’s success, we are open to considering higher salaries beyond the specified range. Skills Degree in Computer Science, Data Sc ...

C++ Developer

OverviewLMAX is looking for a C++ and Python developer to join our middle-office team. This team works closely with the infrastructure, research and treasury teams. In this position you can expect to take a significant role in the development of our trade reconciliatio ...

C++ Developer

Overview LMAX is looking for a C++ and Python developer to join our middle-office team. This team works closely with the infrastructure, research and treasury teams. In this position you can expect to take a significant role in the development of our trade reconciliation, back‑testing framework a ...

C++ Developer

OverviewLMAX is looking for a C++ and Python developer to join our middle-office team. This team works closely with the infrastructure, research and treasury teams. In this position you can expect to take a significant role in the development of our trade reconciliatio ...

Software Engineer in Test

I am working with a client searching for a Software Engineer in Test that will be based remotely, but working with an existing Engineering Team. This position offers huge growth potential as you will be responsible for the full product testing systems, across multiple functions and key parts for the operat ...

QA Engineer

QA Engineer (Manual) – PHP, Python, Playwright📍 London (5 mins from London Bridge) | 💼 Hybrid (3 days in office) | 💷 £40,000🕒 2+ Years Experience Required Join a fast-growing digital WordPress agency making a real impact in education a ...

QA Engineer

QA Engineer (Manual) – PHP, Python, Playwright📍 London (5 mins from London Bridge) | 💼 Hybrid (3 days in office) | 💷 £40,000🕒 2+ Years Experience Required Join a fast-growing digital WordPress agency making a real impact in education a ...

Senior Software Engineer

Role Overview You will own and ship core platform systems that power how health data flows through Terra — from upstream data suppliers (wearables, health apps, sensors) into our unified schema, and out to downstream developers and AI consumers via our REST API, Streaming API, and webhooks. ...

Senior Backend Engineer

Octopus Energy started with a bold idea: to build Britain’s first truly digital energy supplier, and in 2025 we became Britain’s largest energy supplier. We are now scaling fast and building the next generation of products to accelerate the green energy transition. The Flexibility team builds produ ...

Chief Technology Officer

Overview Lead the Future of Defence Simulation Technology When RAF sensor operators scan hostile territories, when submarine hunters track underwater threats, when military intelligence teams decode electronic warfare signals – their success depends on world-class training. We’re ...

Lead Software Engineer Privileged Access Management

Principal Software Engineer — Privileged Access Management (PAM) Help build the backbone of secure cloud infrastructure. Our globally-renowned client looking for a senior engineer who thrives in complex distributed systems, loves owning problems end-to-end ...

Site Reliability Engineer (London) Banking & Finance

Ready to ensure trading systems perform flawlessly under real-time demands? Join a global proprietary trading firm recognised for leveraging technology, data, and innovation to power high-performance trading operations. With a strong culture of collaboration and technical excellence, the organisatio ...

DevOps Engineer Secure Infrastructure (SC Clearance)

Position Description: At CGI, our Space, Defence and Intelligence business unit delivers mission-critical systems that help keep the UK safe and secure. As a DevOps Engineer, you will play a key role in building, automating, and optimising secure, scalable platforms that underpin critical services. ...

Senior Quant Software Developer : Elite Quant Fund : Python/C++ : £150 200k base plus huge bonus

We are partnering with one of London’s most selective and highest-performing quantitative investment funds to appoint a Senior Quant Software Developer to their core systematic trading group. This is a confidential mandate for a team renowned for world-class engineering standards, scientific rigour, and a ...

Microsoft Fabric Data Engineer

Microsoft Fabric Data Engineer | Outside IR35 | £450–£550 per day | Hybrid Bristol | 6‑month initial contract We’re working with a well‑known global organisation that’s investing heavily in its commercial data capabilities. They’re looking for a contract Data Engineer to help shape and deliver a next‑gen ...

Microsoft Fabric Data Engineer

Microsoft Fabric Data Engineer | Outside IR35 | £450–£550 per day | Hybrid Bristol | 6‑month initial contract We’re working with a well‑known global organisation that’s investing heavily in its commercial data capabilities. They’re looking for a contract Data Engineer to help shape and deliver a next‑gen ...

Senior Quant Trader Equities

Senior Quant Execution Trader – Equities - London CW Talent Solutions is partnering with a leading global trading firm to hire an experienced Senior Quant Execution Trader to optimize execution strategies and drive trading performance across equities markets. This is a unique opportunity ...

Postdoctoral Scientist (Machine Learning)

Postdoctoral Scientist (Machine Learning) Join Quantemol to advance the frontiers of plasma science through the application of machine learning. You will design and implement algorithms to predict physical and chemical properties, and develop methods to expedite simulation times in plasma modelli ...

Developer Relations Engineer London

At Nscale, we’re on a mission to build the engine of superintelligence, and developers are at the center of how that future gets built. We’re looking for a Developer Relations Engineer to define how developers discover, learn, build, and scale on Nscale’s AI infrastructure platform. This ro ...

Developer Advocate

At Nscale, we’re on a mission to build the engine of superintelligence, and developers are at the center of how that future gets built. We’re looking for a Developer Advocate to define how developers discover, learn, build, and scale on Nscale’s AI infrastructure platform. This role will ow ...

Developer Experience Engineer

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thri ...

Platform Cloud Engineer

Overview As a Cloud Core Platform Engineer, you will be essential in supporting our developers, lower environments, and ultimately our production system. We run a 24x7x365 business and must develop a highly performant, resilient, scalable, and user-focused platform. You will assist in the implemen ...

Cloud Platform Engineer (AWS)

Maintain and improve AWS cloud infrastructure for 24/7 bank operations, focusing on stability, performance, security, and compliance Enhance connectivity between AWS accounts, client, and third parties to ensure secure and reliable customer experiences Design and create automation sc ...

Senior Blockchain Engineer (Remote in Europe and in UAE)

Senior Blockchain Engineer (Remote in Europe and in UAE) Job Responsibilities: Develop software in Rust for our core node. Write tests and develop the test framework in both Rust and Python. Assist in designing and planning the architecture of the core no ...

React Developer Up to £550 (Outside IR35!!) P/D

Overview We are looking for a React Developer, with strong experience working in the finance sector, to join a leading trading firm based in London. This role will give you the opportunity to work on Greenfields development projects, focusing on buy side trading platforms, working alongside ...

Technology Graduate Analyst

Capula's Technology Graduate Program is a one-year rotational program designed to provide broad exposure across our Technology Development teams. As a graduate analyst, you will gain hands‑on experience supporting and developing the systems that underpin Capula's global trading, risk management, and operat ...

Artificial Intelligence & Machine Learning Internship Fastek Limited

Overview Join us as an AI & Machine Learning Intern and gain exposure to building smart solutions using data-driven technologies. You will work with data scientists and engineers to explore machine learning models, natural language processing, and AI applications in real-world IT projects. < ...

GoLang Devops Engineer

Maintain and improve AWS cloud infrastructure for 24/7 bank operations, focusing on stability, performance, security, and compliance Enhance connectivity between AWS accounts, client, and third parties to ensure secure and reliable customer experiences Design and create automation sc ...

Java/Cloud Engineer

You will be working for a leading industrial manufacturer on a Greenfield project!The company is entering an exciting stage of their life cycle as they are leaving behind traditional methods and will start to use cutting edge technologies such as digital dying and 3D printing. The role will be a ...

Quantitative Developer/Research Engineer

Job Description Role Summary At Citadel Securities, a leading global market maker, our team of Quantitative Developers and Research Engineers partner with Quantitative Researchers to create and implement automated trading system software solutions that leverage sophisticated s ...

Quantitative Developer/Research Engineer

Job Description Role Summary At Citadel Securities, a leading global market maker, our team of Quantitative Developers and Research Engineers partner with Quantitative Researchers to create and implement automated trading system software solutions that leverage sophisticated s ...

Quantitative Analyst

Quantitative Analyst required by a sports trading company based in central London. The company have been established for more than 10 years, successfully developing statistical models and analytical frameworks. The successful Quantitative Analyst will work within the prediction team, using extensiv ...

Senior QA Test Engineer FinTech

Senior QA Test Engineer (Manual Testing) 12 month FTC London / WFH to £75kDo you have strong manual testing experience within a finance environment?You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefit ...

Quant Model Risk Vice President Rates

Overview We are looking for a new member to join our Interest Rates team in the Model Risk Governance and Review Group which is responsible for end-to-end model risk management across the firm. As a Quant Model Risk Vice President in the Interest Rates team, you will assess and help mitigat ...

Senior QA Test Engineer FinTech

Senior QA Test Engineer (Manual Testing) 12 month FTC London / WFH to £75kDo you have strong manual testing experience within a finance environment?You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefit ...

API Developer

Ameresco, Inc. has an immediate opening for an API Developer in our ASG (Asset Sustainability Group). Responsibilities Collaborating directly and independently with customers and third parties to architect and develop API solutions that align with business objectives. ...

Quantitative Developer Hybrid Working Up to £300,000 Base (+ Bonus)

Quantitative Developer (C++ and/or Python) Client: Elite Algorithmic Market Making Firm (HFT) Compensation: Up to £300,000 Base + Bonus Location: London (Hybrid) Overview An elite algorithmic market making firm is seeking a talented Quant ...

Senior Full Stack Engineer

Our client is an infrastructure communications technology company providing end-to-end fibre solutions and now Cloud solutions, Wi‑Fi, Firewalls/Security, SD WAN, Managed LAN and UC services for businesses and wholesale/carrier/channel organisations across London. What You Will Do We are ...

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    Python Developers Jobs in United Kingdom Job Search Guide, Trends and Insights