15 of 15 Permanent Python Developer Jobs in the City of London

Lead Software Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead Software Developer will … evaluate trade-offs. Ability to work closely within an agile team using User Stories and acceptance criteria to understand functional and non-functional requirements Deep knowledge and experience in Python and its ecosystem, patterns and pitfalls. Extensive experience of working in an agile environment (we use Scrum). Experience with extreme programming practices such as incremental development, continuous integration More ❯

Lead Software Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead Software Developer will … evaluate trade-offs. Ability to work closely within an agile team using User Stories and acceptance criteria to understand functional and non-functional requirements Deep knowledge and experience in Python and its ecosystem, patterns and pitfalls. Extensive experience of working in an agile environment (we use Scrum). Experience with extreme programming practices such as incremental development, continuous integration More ❯

Role: Python Software Developer - Treasury Location: London Industry: Hedge Funds Overview: A global multi-strategy hedge fund is looking to add an experienced Python Developer to join their Treasury team in London. The firm operates at hedge fund scale with a start-up pace, focusing on building high-performance trading platforms. In this role, you will … liquidity management systems, working directly with traders and decision-makers in a live-market environment. Responsibilities: Architect and code resilient applications for trading, liquidity management, and funding operations using Python as the core language, with integration into data platforms and tools. Engage directly with traders and treasury stakeholders during live situations, adapting to evolving requirements and delivering solutions on … design patterns to enhance speed and quality. Experience: 5-15 years of software engineering experience, ideally in Treasury or from a hedge fund/buy-side firm Expertise in Python for designing and optimising complex applications Strong proficiency in data tools like Pandas, NumPy, SQL, and real-time data processing Familiarity with DevOps practices, including Linux, cloud platforms, and More ❯

Role: Python Software Developer - Treasury Location: London Industry: Hedge Funds Overview: A global multi-strategy hedge fund is looking to add an experienced Python Developer to join their Treasury team in London. The firm operates at hedge fund scale with a start-up pace, focusing on building high-performance trading platforms. In this role, you will … liquidity management systems, working directly with traders and decision-makers in a live-market environment. Responsibilities: Architect and code resilient applications for trading, liquidity management, and funding operations using Python as the core language, with integration into data platforms and tools. Engage directly with traders and treasury stakeholders during live situations, adapting to evolving requirements and delivering solutions on … design patterns to enhance speed and quality. Experience: 5-15 years of software engineering experience, ideally in Treasury or from a hedge fund/buy-side firm Expertise in Python for designing and optimising complex applications Strong proficiency in data tools like Pandas, NumPy, SQL, and real-time data processing Familiarity with DevOps practices, including Linux, cloud platforms, and More ❯

Senior Python developer to join our clients Network Automation team. You will be comfortable with Django/Flask, Gitlab and have experience of container infrastructure. This is a three month rolling contract that will require you in the office, just outside London twice a week at rate of £500 a day (inside IR35). The role will involve … will be required as part of the development as well as maintaining a high standard for code readability and collaboration. Required skills and experience: 3 years commercial experience with Python Experience with Web frameworks such as Django and Flask Experience of using and building RESTful APIs using Python Experience with Front-end development (HTML, CSS, Javascript) Experience with More ❯

Senior Python developer to join our clients Network Automation team. You will be comfortable with Django/Flask, Gitlab and have experience of container infrastructure. This is a three month rolling contract that will require you in the office, just outside London twice a week at rate of £500 a day (inside IR35). The role will involve … will be required as part of the development as well as maintaining a high standard for code readability and collaboration. Required skills and experience: 3 years commercial experience with Python Experience with Web frameworks such as Django and Flask Experience of using and building RESTful APIs using Python Experience with Front-end development (HTML, CSS, Javascript) Experience with More ❯

Job Title: Visual Quality Software Engineer Location: London, United Kingdom Permanent Role, requires hybrid working in London What You’ll Do: Develop and maintain Python-based test frameworks (multithreaded apps, Flask APIs, SQL integration). Build automation into our CI/CD pipelines (GitHub, Jenkins, Docker) to validate new features continuously. Execute large-scale test and benchmarking campaigns, collecting … and reporting dashboards. Share results clearly with internal teams, creating documentation and progress updates. Take part in Agile sprints, reviews, and planning sessions. What We’re Looking For: Strong Python developer with experience in multithreaded programming and frameworks like Flask. Experience with containerisation (Docker, Kubernetes) and cloud platforms (AWS, GCP, Azure). Experience with Node.js and React for More ❯

Job Title: Visual Quality Software Engineer Location: London, United Kingdom Permanent Role, requires hybrid working in London What You’ll Do: Develop and maintain Python-based test frameworks (multithreaded apps, Flask APIs, SQL integration). Build automation into our CI/CD pipelines (GitHub, Jenkins, Docker) to validate new features continuously. Execute large-scale test and benchmarking campaigns, collecting … and reporting dashboards. Share results clearly with internal teams, creating documentation and progress updates. Take part in Agile sprints, reviews, and planning sessions. What We’re Looking For: Strong Python developer with experience in multithreaded programming and frameworks like Flask. Experience with containerisation (Docker, Kubernetes) and cloud platforms (AWS, GCP, Azure). Experience with Node.js and React for More ❯

Python Developers | London | £100,000 – £170,000 + Equity You'll be joining a team that are making it easier for large industries to bring AI into production. The tech focuses on scaling, reliability, and making AI systems practical. The team is early but moving fast with strong backing and real commercial momentum. The Role You will build the … decisions as part of a small, senior team that values initiative over hierarchy. What You Will Bring 2+ years of experience building production grade systems Strong coding background in Python/Fast API However, any modern language is OK (we just want amazing Developers!) Experience with databases, APIs, and distributed computing Exposure to cloud infrastructure (AWS preferred) and IaC More ❯

Python Developers | London | £100,000 – £170,000 + Equity You'll be joining a team that are making it easier for large industries to bring AI into production. The tech focuses on scaling, reliability, and making AI systems practical. The team is early but moving fast with strong backing and real commercial momentum. The Role You will build the … decisions as part of a small, senior team that values initiative over hierarchy. What You Will Bring 2+ years of experience building production grade systems Strong coding background in Python/Fast API However, any modern language is OK (we just want amazing Developers!) Experience with databases, APIs, and distributed computing Exposure to cloud infrastructure (AWS preferred) and IaC More ❯

Technical Quant Developer with deep Computer Science expertise applied to Python, SDLC tooling, Linux, Docker, and SQL sought to join a Boutique Quant Hedge Fund.You will join as a more junior member, as part of a small team designing and implementing a central platform for Backtesting, Pricing, Risk and Performance, to be used across all Funds and Investment … such as the Data Interface Layer, Central Risk Calculations, and Backtesting Frameworks, to be used by diverse Investment teams as part of their daily work. The platform is pure Python, with SQL, on Linux and Docker platform. Python is the primarily required skill, however mastery of Linux/Docker environments and SDLC tooling such as GitLab CI/… Undergraduate degree in Computer Science, Computing, Software Engineering or similar with top grades from a reputable institution. MSc or possibly PhD level academics in said subject(s) preferred. Strong Python skills, as per 3+ years of professional experience in a technically and/or scientifically complex and competitive environment. Proficiency in Linux and Docker including system administration and containerization More ❯

Technical Quant Developer with deep Computer Science expertise applied to Python, SDLC tooling, Linux, Docker, and SQL sought to join a Boutique Quant Hedge Fund.You will join as a more junior member, as part of a small team designing and implementing a central platform for Backtesting, Pricing, Risk and Performance, to be used across all Funds and Investment … such as the Data Interface Layer, Central Risk Calculations, and Backtesting Frameworks, to be used by diverse Investment teams as part of their daily work. The platform is pure Python, with SQL, on Linux and Docker platform. Python is the primarily required skill, however mastery of Linux/Docker environments and SDLC tooling such as GitLab CI/… Undergraduate degree in Computer Science, Computing, Software Engineering or similar with top grades from a reputable institution. MSc or possibly PhD level academics in said subject(s) preferred. Strong Python skills, as per 3+ years of professional experience in a technically and/or scientifically complex and competitive environment. Proficiency in Linux and Docker including system administration and containerization More ❯

Senior Python Quantitative Developer sought to join a multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield central Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds and Investment teams. Our client is an early Quantitative Investment Boutique … delivering and maintaining critical components of the investment infrastructure, including the Data Interface Layer, Central Risk Calculations, and Backtesting Frameworks utilized by diverse Investment teams. Essential Skills & Experience: Excellent Python skills, as per 5+ years of professional experience in a technically and/or scientifically complex and competitive environment, especially in Financial Markets. Hands-on experience with continuous integration More ❯

Senior Python Quantitative Developer sought to join a multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield central Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds and Investment teams. Our client is an early Quantitative Investment Boutique … delivering and maintaining critical components of the investment infrastructure, including the Data Interface Layer, Central Risk Calculations, and Backtesting Frameworks utilized by diverse Investment teams. Essential Skills & Experience: Excellent Python skills, as per 5+ years of professional experience in a technically and/or scientifically complex and competitive environment, especially in Financial Markets. Hands-on experience with continuous integration More ❯

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end … Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or scale-up experience Why us? Big More ❯