25 of 25 Python Developer Jobs in London

Python Developer | Energy Trading House | London Hybrid | Up to £65k + Bonus + Benefits A Python Developer is required by a leading Energy Trader to support the front office of their hedge fund division. This is a quite unique Python Developer opportunity because … where you will be working with all trading desks in a small development team with full exposure to all technology decisions within their Python realm. It also does not require previous Financial Services background but an interest in it would definitely be advantageous. You’ll be working ...

Senior Python Developer/Software Engineer London/WFH to £120k Join a growing, global, Fintech services company that has seen 30-40% year on year growth for the past 10 years and has ambitious growth plans. As a Senior Python Developer you'll join … team in Central London three days a week with flexibility to work from home the other two days. About you: You have strong Python development skills including FastAPI (will also consider Django or Flask experience) You have experience of working on event driven microservices with large scale data ...

Backend Python Developer (Azure AI) Location: Remote/Hybrid Type: Full-time Our client is a fast-growing consulting business building an AI-driven platform on native Microsoft Azure services. They are looking for a strong Backend Python Developer to join their team and play … lean, high-impact environment where speed, quality, and innovation matter. The Role The successful candidate will: Design, build, and maintain backend services in Python , writing clean, maintainable, production-grade code. Develop and deploy AI-powered features using Azure-native services including Azure AI Foundry, Azure AI Search, Cosmos ...

Python Developer | Greenfield Energy Trading | London Hybrid | Up to £90k + Bonus + Benefits A Python Developer with strong core engineering skills is required by a leading Trading House institution to support the front office teams in the business. This is a quite unique opportunity because … chance to influence architectural decisions and contribute to modernising core platforms used across trading. Key Responsibilities: Engineering high-quality backend services using core Python , developing software from scratch rather than simple scripting (experience with OOP is important) Working closely with cross-functional teams to gather requirements and deliver robust ...

Python Developer - Fixed Income Trading Technology We are currently recruiting for a Python Developer to join the Fixed Income trading technology team within a leading international Investment Bank. This is a core software engineering role focused on building production trading systems . We are looking … core Python engineer who enjoys owning components, improving systems, and working closely with the business in a fast-paced trading environment (this is not a quant, data engineering or AI/ML role). You will sit within Front Office Technology supporting the Fixed Income trading desk which develops ...

Python Developer Insurance Analytics Were looking for a talented Python Developer to join our growing Insurance Analytics team. In this role, youll play a key part in shaping and enhancing InsurSight , our award-winning SaaS analytics platform. This is a great opportunity to work … prototype new technologies to drive innovation and continuous improvement Contribute to a culture of curiosity, collaboration, and technical excellence What were looking for: Strong Python development experience, with a proven ability to deliver production-quality, maintainable code Must have experience working with large datasets and performance-critical applications Experience ...

Senior Python Developer - Data Platform and AI Location: London or Glasgow (Hybrid) We're partnering with a leading global financial institution to hire a Senior Python Developer to join a high-impact Data & Analytics engineering team supporting front-office functions. This is a hands-on engineering … intersection of data, engineering, and AI, with exposure to modern technologies including LLM integrations. What You'll Be Doing Design, build, and maintain Python-based backend services Develop and enhance data governance tooling used across the business Contribute to UI components to improve user experience Own the full development ...

NOTE: VISA SPONSORSHIP IS NOT PROVIDED Role : Python Developer Location: London, UK (5 Days/Week Onsite) Type: Permanent Requirement: A Python + React + SQL + Databricks developer role blends backend data engineering with frontend application development, requiring strong coding skills in Python, React.js … Databricks for building scalable, data-driven Key Responsibilities Backend Development (Python) Build APIs and services using Python frameworks (Flask, FastAPI, Django). Integrate with Databricks SQL endpoints for data access. Ensure performance, scalability, and security of backend systems. Databricks & Data Engineering Develop ETL pipelines and workflows using PySpark ...

Lead Python Developer Climate Tech London (Hybrid, 3 days per week) Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed by some of the biggest names … complexity, mathematical optimisation, and performance challenges at scale - a long way from your average API job. Requirements: 7+ years experience developing and maintain scalable Python/FastAPI back-end services Ideally worked with high-performance APIs for complex hierarchical data queries and grid modelling computations Managed and optimised ...

Lead Python Developer Climate Tech London (Hybrid, 3 days per week) Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed by some of the biggest names ...

Senior Backend Developer (Python/Azure) 550 per day INSIDE IR35 6 months UK-based - once a week in London Role Hands-on backend developer building and integrating Python-based services within a secure, enterprise environment. Focus on API development, system integration, and reliable delivery. … Responsibilities Build backend services using Python (FastAPI) Develop APIs and integrate across disconnected systems Deploy solutions via Azure Function Apps Implement CI/CD pipelines (GitHub) Write and optimise SQL queries Contribute to architecture and secure design Clarify requirements, identify gaps, and shape solutions Support delivery and manage client ...

Senior Backend Developer (Python/Azure) 550 per day INSIDE IR35 6 months UK-based - once a week in London Role Hands-on backend developer building and integrating Python-based services within a secure, enterprise environment. Focus on API development, system integration, and reliable delivery. … Responsibilities Build backend services using Python (FastAPI) Develop APIs and integrate across disconnected systems Deploy solutions via Azure Function Apps Implement CI/CD pipelines (GitHub) Write and optimise SQL queries Contribute to architecture and secure design Clarify requirements, identify gaps, and shape solutions Support delivery and manage client ...

leading commodities trading business is looking to hire a Junior Python Developer to join its front-office technology and analytics function in London. This role sits within a highly technical team supporting trading, risk, and quantitative analytics platforms across physical and derivatives markets. You'll work closely with … traders, quants, and senior engineers on the development of modern data and analytics tooling used across the business. The environment is C# and Python-focused, with increasing adoption of cloud-native data technologies including Databricks, whilst also integrating with established quantitative pricing and risk platforms such as Numerix. This ...

working with a big name in the Energy Trading space who are looking for a Python Developer to join their Front Office Delivery team supporting the traders. You will primarily be building out models for trade execution with responsibilities including: Developing and enhancing multiple Python-based front … needed Collaborating regularly with end users throughout the change lifecycle to gather feedback and ensure successful delivery Key Requirements : Demonstrated commercial experience in Python development Experience developing Web APIs using Flask, FastAPI, Streamlit, or other leading Python frameworks Experience in Azure Cloud environments (AKS) Experience with streaming data ...

partnering with a global financial services organisation to hire an experienced Python Developer to join a high-performing trading & risk technology team in London. This role focuses on building scalable backend solutions supporting risk analytics, trade processing, reconciliations and reporting across capital markets environments. What … doing: Developing Python-based services and data workflows Building APIs and automation tools for trading/risk platforms Working with large financial datasets including PnL and market risk data Collaborating with traders, quants and risk stakeholders Enhancing system performance, scalability and production stability Supporting CI/CD, testing ...

Role: Software Developer (Python) - Up to £140,000 + Bonus + Package Salary: Up to £140,000 + Bonus + Package Location: London (Hybrid Working) Skills: Python as a main language This firm is an elite tech firm with high standards who have previously set tech world ...

Python Engineer (AI/LLM Focus) London (Hybrid) | 🚀 Fintech Scale-Up We’re partnering with a fast-growing fintech company in London that’s redefining how financial data is leveraged through cutting-edge AI. They’re now looking for a Python Engineer with strong experience … product, data, and engineering teams to bring AI-driven features into production. What you’ll be doing: Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists ...

Senior Python/Django Developer (Contract) £700-£750 per day (Inside IR35) | Remote | 6 months We're supporting a leading UK retailer as they scale an AI-driven pricing platform across Europe, and are looking for a Senior Python/Django Developer to support the next … backend-focused role , working within a data-driven environment on a high-impact, large-scale platform. The Role Develop and maintain backend services using Python and Django Contribute to a scalable AI pricing platform used across multiple markets Work closely with engineers, data scientists and product teams Write clean ...

Software Engineer (Python) – £55,000 – West London (2 Days On-Site) I’m working with a product-led tech company in West London who are hiring for a Software Engineer to join their Data Cloud engineering team. They’re building out scalable, high-availability platforms using modern AWS services … serverless solutions – and helping to drive best practice across CI/CD, automation, and data processing. This role requires you to code in Python, build serverless and use DevOps. Tech Stack & Focus Areas Cloud & Containers: AWS ECS or AWS EKS CI/CD & Tooling: GitLab, Docker Backend: Python ...

client is a London-based financial-services company who are actively seeking a Senior Python Quant Developer to join on an initial 12-month contract basis. What you'll need to succeed : Extensive hands-on Python Development experience building REST APIs with FastAPI or similar. Strong quantitative ...

Title: Lead Software Engineer (Python) Location: Hybrid – 40% onsite in London, Manchester, Birmingham, Cardiff or Northeast Duration: 12 months IR35: Inside IR35 Overview Our client is seeking experienced Lead Software Engineers to design, build and support secure, scalable digital services within a government environment. The role will focus … software solutions that support export control and regulatory systems, while providing technical leadership across agile delivery teams. Essential Skills & Experience Strong commercial experience with Python and Django Proven ability to design and deliver complex systems end-to-end Experience leading engineering delivery within agile teams Strong stakeholder engagement, communication ...

recruiting for a number of Lead Python/Django Developers to be based 2 days in either London, Manchester, Birmingham, Cardiff or the North East. The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. Candidates must … within multidisciplinary teams, and ownership of both development and live service performance. You must have worked in a lead role. You must have strong Python and Django experience. Proven system design capability (end-to-end) and experience of working in agile, multidisciplinary teams. System design and architecture capability ...

recruiting for a number of Lead Python/Django Developers to be based 2 days in either London, Manchester, Birmingham, Cardiff or the North East. The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. Candidates must … within multidisciplinary teams, and ownership of both development and live service performance. You must have worked in a lead role. You must have strong Python and Django experience. Proven system design capability (end-to-end) and experience of working in agile, multidisciplinary teams. System design and architecture capability ...

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 culture built around high … high-performance software development — with code that moves rapidly from prototype to production and directly influences trading performance. The Role As a Quant Developer, you will: Collaborate closely with quant researchers to productionise models and design scalable research/tooling infrastructure Develop high-performance, robust code across Python ...

infrastructure, market data platforms and risk reporting capabilities across equities, fixed income, credit, FX and commodities. Depending on the role, responsibilities may include: * Building Python based risk engines * Developing Snowflake data platforms * Designing market data infrastructure * Historical time series management * VaR and stress testing data solutions * AWS cloud engineering … Risk analytics and pricing infrastructure * Large scale distributed computing Required experience: * Strong Python development * SQL and Snowflake expertise * Market Risk knowledge * Experience working with market data * AWS or cloud infrastructure experience * Understanding of financial products and risk measures This is an opportunity to join a highly visible team ...