20 of 20 Contract Python Developer Jobs in the UK

Contract Software Developer (Python/Django) January Start Outside IR35 Public Sector Hybrid (UK, 2 Days Onsite per Week) Active Security Clearance Required A public sector organisation is seeking an experienced Python/Django Software Developer to join their team in January. This role is ideal for a developer who enjoys working with established systems … improving system stability, modernising architecture, and contributing within a collaborative engineering environment. Software Developer (Python/Django) Key Responsibilities: • Enhance and maintain a core Python/Django server-side application • Work with PostgreSQL on data loads, optimisation, and schema updates • Support and improve a Celery-based distributed task processing system • Reduce technical debt and simplify legacy components … Contribute to the introduction of modern browser-based experiences using JavaScript Software Developer (Python/Django) Essential Skills and Experience: • Strong commercial experience with Python and Django • Solid working knowledge of PostgreSQL • Experience with Celery or similar distributed task queue technologies • Comfortable working with and modernising mature systems • Strong teamwork and communication skills • Active UK security clearance More ❯

Contract Software Developer (Python/Django) – January Start Outside IR35 | Public Sector | Hybrid (UK, 2 Days Onsite per Week) Active Security Clearance Required A public sector organisation is seeking an experienced Python/Django Software Developer to join their team in January. This role is ideal for a developer who enjoys working with established systems … improving system stability, modernising architecture, and contributing within a collaborative engineering environment. Software Developer (Python/Django) Key Responsibilities: • Enhance and maintain a core Python/Django server-side application • Work with PostgreSQL on data loads, optimisation, and schema updates • Support and improve a Celery-based distributed task processing system • Reduce technical debt and simplify legacy components … Contribute to the introduction of modern browser-based experiences using JavaScript Software Developer (Python/Django) Essential Skills and Experience: • Strong commercial experience with Python and Django • Solid working knowledge of PostgreSQL • Experience with Celery or similar distributed task queue technologies • Comfortable working with and modernising mature systems • Strong teamwork and communication skills • Active UK security clearance More ❯

GIS Python Developer - 6 Months - Outside IR35 GIS Python Developer required by a leading tech company for an initial 6-month contract. It's fully remote, outside IR35, and will likely extend long-term due to the amount of work they have in the pipeline. The Role: You will be part of a rapidly growing software … drive critical decision-making from gathering large amounts of intelligence on the human population and its use around the world - tech for good, you could say! As a GIS Python Developer, you will be responsible for various tasks, mainly focusing on Python development to combine geospatial datasets to automate the creation of sizeable subnational index data sets. … The main tools you will be using day to day are: ** Python ** Docker ** ETL pipelines ** GIS - PostGIS or ESRI knowledge (Ideally Raster Data Sets) ** AWS You: Our customer is looking for someone well versed with the above tools technologies, and they need someone who has a strong understanding of Geospatial Data and is willing to roll their sleeves up More ❯

Contract .NET/Python Developer - £500/day (Inside IR35) - Milton Keynes ?? *SC clearance required* We're looking for an experienced .NET/Python Developer to join a fast-paced team on high-profile projects. You'll work across the full stack, developing .NET Core, C#, Python, SQL Server applications, APIs, and cloud solutions ( AWS … . Requirements: Strong C#, .NET Core, ASP.NET, Python, SQL Server ??? skills Front-end experience: Angular, React, JavaScript ? Cloud experience: AWS (Lambda, S3, SNS, SQS) ?? Agile & DevOps: Git, Jenkins, TFS ?? ?? Contract .NET/Python Developer - £500/day (Inside IR35) - Milton Keynes More ❯

GIS Python Developer - 6 Months - Outside IR35 GIS Python Developer required by a leading tech company for an initial 6-month contract. It's fully remote, outside IR35, and will likely extend long-term due to the amount of work they have in the pipeline. The Role: You will be part of a rapidly growing software More ❯

Contract .NET/Python Developer - £500/day (Inside IR35) - Milton Keynes SC clearance required We're looking for an experienced .NET/Python Developer to join a fast-paced team on high-profile projects. You'll work across the full stack, developing .NET Core, C#, Python, SQL Server applications, APIs, and cloud solutions ( AWS More ❯

Python/Flask/Docker/Experience with AI coding agents useful FULLY REMOTE OUTSIDE IR35 - Immediate Start Job Summary We are seeking a skilled Python Developer to join our development efforts. The successful candidate will be responsible for designing, developing, and maintaining innovative applications and APIs, leveraging a broad range of programming languages and tools. This … offers an exciting opportunity to work on diverse projects and contribute to the realisation of scalable solutions that meet our organisational needs. Responsibilities Develop, test, and deploy high-quality Python (Flask) applications and APIs in accordance with project specifications. Develop, test and deploy front end changes. Maintain and enhance existing software systems, ensuring optimal performance and security. Utilise version … uphold high standards of quality. Stay abreast of emerging trends in software development, including RESTful API design, Linux-based environments. Qualifications Proven experience in software development with proficiency in Python programming language, including Flask. Understanding of front-end development principles using JavaScript. Familiarity with version control tools such as GitHub. Experience working with APIs (RESTful services) and integrating them More ❯

Python Developer** Duration: 12 Months Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile We are looking for a highly skilled software engineer with extensive experience in Python development. The XVA trading desk operates within the Counterparty Portfolio Management … our derivatives portfolio. Our global agile development team thrives on collaboration and communication, making it a dynamic and engaging environment. Key Responsibilities: Develop new features and enhancements for XVA Python, leveraging Agile methodologies throughout the full development lifecycle. Maintain high standards of design quality, ensuring the system is maintainable, extensible, robust, and scalable. Contribute to and adhere to established … continuous integration, and refactoring. Strong ability to translate user requirements into functional and efficient code. Excellent problem-solving and investigation skills. Strong communication and teamwork abilities. Experience in Quartz Python development. Knowledge of financial markets and relevant technologies. Proficiency in Oracle databases. Ability to collaborate effectively with business groups, including trading, finance, technology, and market risk. Familiarity with CVA More ❯

Python Developer** Duration: 12 Months Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile We are looking for a highly skilled software engineer with extensive experience in Python development. The XVA trading desk operates within the Counterparty Portfolio Management … our derivatives portfolio. Our global agile development team thrives on collaboration and communication, making it a dynamic and engaging environment. Key Responsibilities: Develop new features and enhancements for XVA Python, leveraging Agile methodologies throughout the full development lifecycle. Maintain high standards of design quality, ensuring the system is maintainable, extensible, robust, and scalable. Contribute to and adhere to established … continuous integration, and refactoring. Strong ability to translate user requirements into functional and efficient code. Excellent problem-solving and investigation skills. Strong communication and teamwork abilities. Experience in Quartz Python development. Knowledge of financial markets and relevant technologies. Proficiency in Oracle databases. Ability to collaborate effectively with business groups, including trading, finance, technology, and market risk. Familiarity with CVA More ❯

Python/Flask/Docker/Experience with AI coding agents useful FULLY REMOTE OUTSIDE IR35 - Immediate Start Job Summary We are seeking a skilled Python Developer to join our development efforts. The successful candidate will be responsible for designing, developing, and maintaining innovative applications and APIs, leveraging a broad range of programming languages and tools click More ❯

Job Title: Senior Software Developer Python Contract Length: 12 Months Day Rate: £600 - £650 Inside IR35 Location: London, Manchester or Bristol Working Style: Hybrid - 2 days onsite Requires Active SC Clearance Are you ready to make a difference? Join our client, a leading organisation in the Central Government sector, dedicated to transforming public services through technology. We're … looking for a Senior Software Developer with Python expertise to help shape the future of digital government! What You'll Do: As a vital member of the National Data Library team, you will: Lead the design, development, and maintenance of scalable open data services and APIs. Set software architecture, engineering practises, and technical direction. Collaborate with multi-disciplinary More ❯

Job Title: Senior Software Developer Python Contract Length: 12 Months Day Rate: £600 - £650 Inside IR35 Location: London, Manchester or Bristol Working Style: Hybrid - 2 days onsite Requires Active SC Clearance Are you ready to make a difference? Join our client, a leading organisation in the Central Government sector, dedicated to transforming public services through technology. We're … looking for a Senior Software Developer with Python expertise to help shape the future of digital government! What You'll Do: As a vital member of the National Data Library team, you will: Lead the design, development, and maintenance of scalable open data services and APIs. Set software architecture, engineering practises, and technical direction. Collaborate with multi-disciplinary More ❯

GenAI Python Developer x4 Location: Hybrid/London Contract Rate: £450–£500 per day (Inside IR35, initial 6-9 months) GenAI | Python | Enterprise AI Platform - Build the core of a next-gen Generative AI ecosystem for a global finance services business. If you’re a strong Python engineer who’s genuinely excited by the possibilities of … help architect, automate, and operationalise LLM-driven services at scale. What You’ll Be Doing: Building backend services and APIs that give secure, governed access to LLM capabilities Developing Python-based GenAI components including prompt orchestration and evaluation tooling Integrating LLMs with enterprise systems, observability layers, and security frameworks Designing and maintaining CI/CD pipelines using Azure DevOps … shape platform patterns, reusable components, and clear documentation Troubleshooting performance issues across distributed systems and cloud services What You’ll Bring: 5+ years of backend engineering experience, with strong Python at the core Hands-on exposure to GenAI technologies and Large Language Models Practical understanding of LLM evaluation, prompt handling, and operational complexities A DevOps-first approach with experience More ❯

Software Developer (Python/Django) Hybrid – Onsite 2 Days/Week (UK) Must Have: Live & Active Security Clearance From Day One Start: January Outside IR35 | Public Sector We’re partnering with a public sector organisation to find a talented Software Developer to join their team from January. This role is ideal for someone who enjoys enhancing established … systems, collaborating within a supportive engineering environment, and delivering steady, thoughtful improvements to a widely used platform. Software Developer – What You’ll Be Working On Enhancing and maintaining a server-side application built with Python/Django Performing database work including data loads, optimisation, and schema changes using PostgreSQL Supporting and refining a Celery-based background task system … Collaborating with colleagues to streamline code, reduce legacy complexity, and plan future enhancements Helping introduce a more modern browser experience using JavaScript where relevant Software Developer – What We’re Looking For Strong hands-on experience with Python and the Django framework Solid understanding of relational databases, especially PostgreSQL Exposure to distributed task or job-queue systems such as More ❯

Software Developer (Python/Django) Hybrid – Onsite 2 Days/Week (UK) Must Have: Live & Active Security Clearance From Day One Start: January Outside IR35 | Public Sector We’re partnering with a public sector organisation to find a talented Software Developer to join their team from January. This role is ideal for someone who enjoys enhancing established … systems, collaborating within a supportive engineering environment, and delivering steady, thoughtful improvements to a widely used platform. Software Developer – What You’ll Be Working On Enhancing and maintaining a server-side application built with Python/Django Performing database work including data loads, optimisation, and schema changes using PostgreSQL Supporting and refining a Celery-based background task system … Collaborating with colleagues to streamline code, reduce legacy complexity, and plan future enhancements Helping introduce a more modern browser experience using JavaScript where relevant Software Developer – What We’re Looking For Strong hands-on experience with Python and the Django framework Solid understanding of relational databases, especially PostgreSQL Exposure to distributed task or job-queue systems such as More ❯

Senior Software Developer – Python – Celery We are seeking two experienced Senior Software Developers to support the maintenance, enhancement, and gradual modernisation of a legacy web application. The system is primarily built using Python, Django, PostgreSQL , and Celery for asynchronous task processing.The role involves working within an established multidisciplinary team to improve system stability, optimise data workflows, and … term transition toward more modern, performant web technologies.Due to the nature of the role, active SC clearance is required. Key Responsibilities Maintain, extend, and refactor an existing Django/Python codebase. Work with PostgreSQL , including schema updates, data ingestion, performance tuning, and troubleshooting. Support and improve asynchronous processing pipelines using Celery . Contribute to technical decision-making around simplification … complexity. Ensure code quality through peer reviews, automated testing, and documentation. Actively participate in agile ceremonies and continuous improvement activities. Required Experience Active SC clearance Strong commercial experience with Python and Django . Solid understanding of relational databases , ideally PostgreSQL . Hands-on experience with asynchronous processing technologies (e.g., Celery , message queues). Ability to work collaboratively, communicate clearly More ❯

Senior Python Backend Developer Kings Cross, London- Onsite 2/3 days a week 6 month contract Inside of IR25 £750 - £800 per day My client is seeking a highly skilled software engineer to join its AI/ML team, contributing to the development of cutting-edge applications that accelerate drug discovery and enable personalised therapies. The ideal … candidate will have strong Python backend development experience, preferably with FastAPI, and be proficient in cloud-native infrastructure (Google Cloud preferred), DevOps practices, and automated testing. While a background in life sciences is a plus, a passion for improving healthcare through technology is essential. The role involves integrating AI/ML components into scalable web applications, collaborating across technical … teams, and continuously improving software quality and performance. Key responsibilities Back end development for a Python web application Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices, including automated test suites and documentation Develop, measure, and monitor key metrics for all tools and services and More ❯

Full Stack React Developer with Python Location: Hybrid/London Rate: £500–£520 per day (Inside IR35) React | Python | AI-driven SDLC - Shape the future of software delivery. Build the front-end of an AI-led engineering platform. Are you a seasoned React developer who enjoys pairing elegant UI with smart back-end services? Fancy working … worth a look. My client is building a next-gen SDLC transformation platform powered by AI and automation. They’re looking for two experienced Full Stack React Developers with Python capability to help bring this vision to life. You’ll be part of a tight-knit team focused on improving engineering productivity and delivering an intuitive, intelligent user experience. … Building responsive, modular React applications that sit at the heart of an AI-driven SDLC platform Translating Figma designs into clean, maintainable, high-performing front-end code Integrating with Python-based services to surface AI insights and automation directly in the UI Creating reusable components and libraries that accelerate development across the team Keeping quality high through modern testing More ❯

/ML solutions aimed at transforming healthcare. This is a 6-month contract , inside IR35 , offering hybrid working (3 days onsite). Key Responsibilities Develop robust backend systems for Python-based web applications Integrate AI/ML components with data, infrastructure, and frontend systems Deliver high-quality, well-documented, and thoroughly tested code Monitor and enhance performance of tools … and services Collaborate across technical teams to build end-to-end data pipelines Skills Required Strong Python backend development experience (FastAPI, Flask, Django). Proven track record of delivering production-grade software at scale. Experience with Docker and containerisation. Familiarity with cloud deployment and troubleshooting cloud-related issues. Comfortable working in modern cloud-native environments with CI/CD More ❯

our derivatives portfolio. Our global agile development team thrives on collaboration and communication, making it a dynamic and engaging environment. Key Responsibilities: Develop new features and enhancements for XVA Python, leveraging Agile methodologies throughout the full development lifecycle. Maintain high standards of design quality, ensuring the system is maintainable, extensible, robust, and scalable. Contribute to and adhere to established … continuous integration, and refactoring. Strong ability to translate user requirements into functional and efficient code. Excellent problem-solving and investigation skills. Strong communication and teamwork abilities. Experience in Quartz Python development. Knowledge of financial markets and relevant technologies. Proficiency in Oracle databases. Ability to collaborate effectively with business groups, including trading, finance, technology, and market risk. Familiarity with CVA More ❯