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    Lead AI Platform Engineer: Build Scalable Agentic Systems

    A technology firm is seeking a Senior AI Platform Engineer to help build AI-driven simulation software for engineering and manufacturing. The successful candidate will implement advanced infrastructure, ensuring robust developer experiences while managing key initiatives. Candidates should have over 3 years of r ...

    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 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 ...

    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 ...

    GenAI Senior Lead Developer — AI Enablement & Full Stack

    Broadridge is seeking a Senior Lead Developer to join our AI Enablement Team in Greater London. The role involves designing and implementing solutions to enhance AI capabilities, focusing on GenAI projects. Candidates should have a degree in a relevant field and at least 7 years of experience in IT solutions, wi ...

    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 ...

    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: Pricing, Risk & Models Lead

    TradingHub is seeking a Senior Quantitative Developer (VP) to lead in designing, building, and validating pricing models. This role requires a mix of strong mathematical skills, proven experience in financial markets, and proficiency in programming languages like C# and Python. The ideal candidate will work on v ...

    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. ...

    Senior Backend Engineer API Driven Finance Platform

    A leading technology solutions provider in Greater London is seeking a skilled Backend Developer to lead technical projects and enhance its web applications. This role requires strong expertise in Python, experience with frameworks like Flask and FastAPI, and the ability to deliver APIs effectively. The ideal ca ...

    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 ...

    Lead Web Application Developer Flexible Scheduling

    Iowa State University Research Park is seeking a motivated Web Application Developer to lead advanced web development projects. This role allows for flexible scheduling and requires strong programming experience in languages like PHP or Python, along with a good grasp of RDBMS and source control. The ideal candi ...

    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 ...

    Senior Backend Engineer Cloud Native APIs & Pipelines

    A technology solutions company based in Coventry is looking for a skilled developer to lead the creation of secure, scalable cloud-native backend systems. This role requires extensive experience with AWS services, strong Python proficiency, and an understanding of infrastructure automation. You will collaborate ...

    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 ...

    Full Stack Web Developer in Nottingham Unitemps

    Job Requirements The job requires a Full Stack Developer or similar. Strong proficiency in front-end technologies, including HTML5, CSS3, JavaScript. Experience with a modern JavaScript framework (e.g., React, Angular, Vue.js). Solid understanding of back-end development lan ...

    Senior Market Data Engineer – EOD Pricing & Risk

    A leading global investment bank is seeking a Senior Market Data Developer to design solutions for sourcing and storing end-of-day market data for pricing and risk calculations. Candidates should have 7+ years of experience in application development, strong skills in Python and SQL, along with familiarity with ...

    Portfolio Trading Tool Engineer AVP (Hybrid)

    A leading global financial institution is seeking a motivated trading tool developer to enhance trading operations. This position requires collaboration with traders and a solid foundation in Python, along with experience in containerized deployment and CI/CD tooling. The role offers a hybrid work model, competi ...

    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 ...

    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 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 ...

    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 ...

    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 ...

    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 Payroll Data Engineer: Bitemporal Engine & DAG

    Ebury in Greater London is looking for a skilled backend developer to design and implement a comprehensive payroll calculation engine. The role requires deep expertise in Python and Node.js/TypeScript, alongside PostgreSQL mastery. You'll be responsible for developing data ingestion pipelines and ensuring robust ...

    Backend Mobile Apps Engineer (Python/Django) – London

    Java Script Works is seeking a Backend Mobile App Developer specializing in Python and Django. The ideal candidate will have at least 1 year of experience in backend development and hold a 1st class degree in a relevant field. Knowledge of frontend development is an added advantage. Compensation ranges ...

    GenAI Lead Developer Drive AI Solutions & Ops Innovation

    Aviva in Norwich is looking for an AI Developer to join the GenAI team, delivering innovative solutions for Claims Operations. You will lead projects that shape the future of AI solutions, working in a dynamic and supportive environment. The ideal candidate is proficient in Python and has strong experi ...

    Global Full Stack Python/React Engineer: Prototyping Impact

    Vitol Group is seeking a Full Stack Desk Developer proficient in Python and React to join their Greater London team. The role involves working collaboratively across various business lines, developing innovative full-stack applications aimed at optimizing operations in the energy commodities sector. Id ...

    Quantitative Developer European Power & Gas

    Stars Arena is seeking a European Power and Gas Quantitative Developer in London. This full-time role requires 3-5 years of software development experience and proficiency in Python and SQL. The ideal candidate has a deep understanding of Agile methodologies and will focus on performing computationally intensive ...

    Junior Frontend Engineer: Fintech GUI & Data Visuals

    Java Script Works is seeking a developer to focus on frontend development of the GUI and data display for our Quant Team. This innovative start-up is pioneering a new concept for the financial markets. The role involves working with a stack that includes JavaScript frameworks along with HTML/CSS and Py ...

    Nuclear I&C Commissioning Software Engineer

    Assystem GmbH in Bridgwater is looking for a skilled Software Developer to support Instrumentation & Control (I&C) system commissioning on a major nuclear project. The role involves designing, developing, and testing software solutions while collaborating with multidisciplinary teams. Candidates should have stro ...

    Senior Multilingual NLP Engineer

    SAS is seeking a Linguistic Developer in Glasgow, Scotland. In this hybrid role, you will develop high-quality text analytics software and participate in cutting-edge natural language processing research. Candidates should have a minimum of 5 years of experience in NLP, strong programming skills in Python and SA ...

    Senior Python Backend Engineer — Greenfield Apps & Equity

    Client Server is seeking a Senior Python Developer to work on innovative systems related to Arctic exploration in Cirencester. This role offers a salary up to £85k and the opportunity to design and develop data-centric applications. You'll be working in a close-knit team at a tech start-up, focusing on backend s ...

    Backend Software Engineer DV Cleared, Onsite Gloucester

    Forwardrole is seeking a Back End Software Developer to join their project teams in Gloucester, working 3 days a week on-site. This role involves designing and developing software solutions in secure environments and requires familiarity with technologies like Java Enterprise and Python. The day rate is up to £8 ...

    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 ...

    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 ...

    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 Developer, Fraud & Trading Controls (Hybrid)

    Deutsche Bank AG is looking for a Quantitative Developer in London to join the Trading and Client Controls team within Group Strategic Analytics. This role involves developing anomaly detection models to identify fraud across all products and businesses. Candidates should have strong programming skills in Python ...

    Applied ML Engineer — LLM Evaluations & MLOps

    APPLE seeks an Applied Machine Learning Engineer for its Developer Publications Intelligence team in Greater London. The role involves building and integrating machine learning models, driving MLOps excellence, and collaborating with cross-functional teams. Candidates should have strong programming skills in Pyt ...

    Senior Alveo Developer: AWS Cloud & Market Data Pipelines

    EPAM Systems is seeking a Senior Alveo Developer to lead the design and optimization of market data unification processes in a dynamic financial environment. The ideal candidate will have hands-on experience with Alveo or similar data management platforms, strong programming skills in Java, Python, or Scala, and ...

    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 BI Engineer Cloud Data Platform & Power BI

    Nigel Frank is seeking an experienced Senior BI Developer in Northampton to support the design and optimisation of cloud-based data platforms. The role involves developing scalable ETL/ELT pipelines, Power BI datasets, and mentoring junior developers. Candidates should have hands-on experience with Microsoft Fab ...

    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 ...

    Django Developer – Investment Management (London)

    Stars Arena is looking for a Django Developer to join their Investment Management team in London. This full-time position offers compensation of up to £90K. Candidates must have a 2:1 degree in Computer Science, Maths, Physics, or Chemistry from a Red Brick UK or EU University, along with experience in Django an ...

    Hybrid Weapon Systems Algorithm Developer ML & Geospatial

    A leading defense contractor in Gloucester is seeking an Algorithm Developer to join their advanced weapon system development team. The position requires expertise in designing and testing mathematical algorithms using Matlab and Python, alongside experience in machine learning and numerical simulations. Candida ...

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