26 to 50 of 52 Python Developer Jobs in London

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 ...

Senior Python Developer Experience: 8–12 years Employment Type: Contract Qualification : Bachelor's or Master's degree in Computer Science, Engineering, or related field Mandatory Required Skills: Proficient Python Programming and Time series data Key skills: Functions, classes, and object-oriented programming, List comprehensions, generators, Error handling ...

Senior Python Developer Experience: 8–12 years Employment Type: Contract Qualification : Bachelor's or Master's degree in Computer Science, Engineering, or related field Mandatory Required Skills: Proficient Python Programming and Time series data Key skills: Functions, classes, and object-oriented programming, List comprehensions, generators, Error handling ...

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. … 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 ...

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. … 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 ...

Senior Python Software Developer (SC Cleared) Duration: 12 Months Location: London & remote (hybrid) Rate: £650 per day IR35 Status: Inside Start: ASAP A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they ...

will be working on a Risk-based project as a Senior Python Developer for one of my London-based Financial Services Clients. You will need: Extensive hands-on development experience with Python within Financial Services Strong background working with Pandas & NumPy Good experience with Django and Javascript … Strong experience working within a risk environment Proficiency with Python libraries such as click apply for full job details ...

will be working on a Risk-based project as a Senior Python Developer for one of my London-based Financial Services Clients. You will need: Extensive hands-on development experience with Python within Financial Services Strong background working with Pandas & NumPy Good experience with Django and Javascript … Strong experience working within a risk environment Proficiency with Python libraries such as NumPy, Pandas, Paramiko, etc. What you'll get in return Initial 6-month contract with extensions. Up to £900 Inside IR35 depending on experience. London-based hybrid working. What you need ...

will be working on a Risk-based project as a Senior Python Developer for one of my London-based Financial Services Clients. You will need: Extensive hands-on development experience with Python within Financial Services Strong background working with Pandas & NumPy Good experience with Django and Javascript … Strong experience working within a risk environment Proficiency with Python libraries such as NumPy, Pandas, Paramiko, etc. What you'll get in return Initial 6-month contract with extensions. Up to £900 Inside IR35 depending on experience. London-based hybrid working. What you need ...

Senior Python Developer Team Lead Location-Remote (UK-based) Salary - £55,000 £62,000 Transforming Learning Group is a forward-thinking education technology group working with over 5,000 schools across the UK. Our mission is simple: to help schools harness technology and data to improve outcomes ...

seeking a skilled Python Developer to join our team and support the designing, developing, and maintaining in-house applications. The ideal candidate will have strong technical expertise in Python and related technologies, with a focus on delivering efficient, scalable, and reliable solutions in a fast-paced environment. … Design, develop, and maintain in-house applications for the Derivatives trading desk using Python Implement automated testing with PyTest and ensure code quality through peer reviews Process, analyse, and manipulate data using NumPy and Pandas Manage CI/CD pipelines to ensure stable production environments Utilise Git-based workflows ...

title: Senior Python Developer (Real-Time Data/Distributed Systems) Client : Elite FinTech Firm Salary: Up to £300k 1st Year Compensation Location : London (Hybrid Working) Sells: Cutting-edge tech, ownership of multiple greenfield projects, friendly/collaborative environment, beautiful offices. An Elite FinTech firm is looking … Working On: Building out high performance solutions for a mission-critical environment dealing with multi-petabytes worth of data Working heavily in Python but also gaining exposure to other languages such as Rust and Go Working on a brand new greenfield ML platform Desired Skills: 4 - 15 years ...

established and renowned industry leader is looking for a proven Python Developer to join an established team based in the London Bridge area this is a hybrid role with 3 days per week in the office. As part of the business-critical analytics team, the successful candidate will ...

Senior Python Engineer — Fully Remote | High Ownership | Modern Backend Systems I’m hiring for a Senior Python Engineer who wants meaningful ownership, technical depth, and the freedom to work from anywhere. This role is ideal for a seasoned engineer who’s built large-scale systems, cares about clean … technical decisions, and ship features that shape the direction of the platform. What You’ll Work On Designing and developing robust backend services in Python Building APIs, distributed systems, or data/ML-powered features Improving performance, reliability, and scalability across core systems Leading design discussions and influencing long ...

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 ...

Looking for a Backend Python Engineer to join a growing technology team supporting real assets and private markets. You'll work on mission-critical transaction management platforms, partnering closely with business stakeholders and taking ownership in a small, high-impact engineering team. Key Responsibilities Design, build, and support backend … services and APIs using Python Develop and enhance transaction management applications covering workflows, compliance, and integrations Work with SQL databases, primarily PostgreSQL, and contribute to data quality and system reliability Collaborate with frontend engineers and low-code platforms to support end-to-end delivery Deploy and maintain services using ...

Title: Full Stack Developer (Contract) Location: UK (Hybrid/occasional Onsite visits required) Clearance: candidates will gain BPSS prior to start. SC Clearance eligibility Duration: 6 months (extensions likely) Role OverviewWe are seeking an experienced Full Stack Developer to join a high-profile project. The successful candidate will … role requiring strong expertise in modern development practices, cloud technologies, and Test-Driven Development (TDD).Key Responsibilities Design and develop robust, scalable services using Python as the primary backend language, while supporting existing services built in Java and .NET. Maintain and enhance legacy systems using Oracle SQL PL. Implement ...

Role: Backend Software Developer Salary: £100,000 P/A + Comps Location: London (Hybrid/Flexible working) Client: Start up/Scale Up Are you a Python expert ready to build cutting-edge systems powering real-world AI innovation? Join one of London's most exciting … startups, where we're scaling fast and solving complex problems at the intersection of technology, data, and intelligence. We're looking for a Backend Developer who thrives in dynamic environments - someone who loves clean code, scalable architecture, and being part of a team that's pushing boundaries. What ...

global business and technology consultancy seeking a Python/AI Developer to work for our Professional Services client. This is initially a 6-month contract with very good prospects to extend and will be a remote role with the odd requirement to visit the London office. Responsibilities: • Design … develop, and integrate AI-driven Use Case workflows for the in-house AgenticAI platform. • Build clean, modular, and scalable Python components, ensuring maintainability and adherence to coding best practices. • Develop and deploy services on Azure, leveraging Functions, App Service, storage, databases, and security tooling. • Implement CI/CD pipelines ...

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day 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 ...

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day 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 ...

work as part of a team Excellent written and oral communication skills in English (French is a plus) Experience with ReactJS Experience with Python 3 and FastAPI Knowledge of Java, maven and the Spring Boot, GraphQL API Experience with PostgreSQL, TimescaleDB Knowledge of Docker environment Knowledge of Git, Linux ...

Hedge Fund - Senior C++ Quant Developer - Equities - Linux - Python - Data/Algos/Low latency Hedge Fund background essential C++ (Version 11 upwards), Linux, Python (nice to have). Trading systems experience - ideally experience working in the equities space. Ideally the technical has experience with algo implementation. … Quantitative Developer - Equities Technology We are in search of a Quantitative Developer to join our team who is passionate about designing, architecting, and implementing low latency C++ systems that are not only robust, resilient, and accurate, but also exceptionally fast. Our team works directly with the firm ...

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 … 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 ...

Senior/Lead Hands on Full Stack Developer - React/Python London Hybrid (4days in the office and 1 day 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 click apply for full job details ...