20 of 20 Senior Python Developer Jobs in the UK

Senior Python Developer Watford, Hertfordshire (Hybrid) £70,000 - £75,000 per annum + Excellent benefits On behalf of an industry Leading organisation, I am seeking a Senior Python Developer with strong production experience building high-throughput, message-driven platforms. This role suits someone comfortable … Ensure unit tests are implemented and fit for purpose. Research and evaluate new technologies that could benefit the organisation. Design and develop high-quality Python software that meets complex business needs. Ensure code, documentation, and testing align with engineering standards. Deliver solutions that meet acceptance criteria, performance expectations ...

Senior Python Developer - Banking London, UK | Hybrid | c.£ depending on experience Permanent Brief We're hiring a Senior Python Developer to join a high-performing engineering team within a banking environment. Key Responsibilities Build and scale Python-based backend systems and APIs Work … high-availability, data-intensive applications Collaborate with engineering, data, and business teams Required Experience Strong Python experience (Django, Flask or FastAPI) Proven backend/API development experience Experience within banking or financial services Exposure to cloud (AWS/Azure/GCP) and modern engineering practices Nice To Have Microservices ...

Senior Django/Python Developer Pay Rate: up to £700 (Inside IR35 - Umbrella) Duration: 6 months' Working arrangement: Once a every 3 months - London We're working on behalf of aFTSE 100 leading UK retailer, supporting the expansion of a highly successful AI-driven Smart Pricing programme. … results across well-known UK household brands, the organisation is now extending this platform across its European operations and is looking for an experienced Senior Django/Python Developer to support the next phase of delivery. This is a pure backend role, focused on scalable, high-quality ...

Role: Python Backend Developer Skills: Python, Pydantic, PostgreSQL, Numpy, Pandas, Work-Model: 1-2 days a month office-visit Salary: up to £90,000 A Senior Python Backend Engineer is needed to join growing software house in London who specialise in helping businesses reduce wasteful … metrics with live data-driven insights sourced from direct connections to their clients’ systems. You will be joining a strong team of Back-end Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial tools. If you're an experience Software Engineer whose passionate ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts click apply for full job details ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts. Requirements Designandimplementsystemsandsoftwaretomeetrequirementsusingappropriatetoolsandmethods. Promotethecreationofhigh-qualitycodebycommitmenttopracticessuchastest-drivendevelopment,pairprogrammingandcodereview. Beresponsibleforthetechnicaldevelopmentofallstagesofsoftwarecreation,includingtesting;ensurethatimplementationmeetssecurity,performance,andsafetyrequirements. Suggestimprovementstothecodebase,developmentprocesses,toolingandworkingpractices.Encourageinnovationbyidentifying,evaluatingandadoptionofemergingtechnologies. Assistwiththedesign,implementation,andtestingofAPIsthatadheretotheOpenAPIspecification Knowledge ...

Senior Python Quant Developer London (Hybrid) The company A growing fintech business building advanced analytics and execution technology for institutional clients across the derivatives space. Their platform is used by leading hedge funds and asset managers to support relative value, volatility, and macro trading strategies. The environment … combines strong engineering standards with close interaction between trading, research, and technology teams. The role This is a senior engineering technology role focused on the core analytics platform that underpins pricing, screening, and execution workflows. You’ll play a key part in designing and evolving production systems used ...

Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent/Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/Engineer to join their global technology hub in Dublin. This … high-impact, permanent role designed for a Python expert who can move beyond basic AI experimentation and into the engineering of production-grade, autonomous systems. What our client is looking for: The Python Specialist: A developer with 6-10 years of professional experience. You must have 'under ...

Senior Full Stack Developer (Python & Vue.js) - Contract Contract Length: Initial 3 Months Location: Fully Remote (UK Based) Day Rate: Competitive IR35 Status: Outside IR35 Please note: Candidates must be UK based. Sponsorship is not available for this role. The Opportunity We're working with a growing technology … organisation looking for an experienced Senior Full Stack Developer to support the development and evolution of several core business systems and integrations. This is a hands-on contract role suited to someone with a strong backend engineering focus, while still being comfortable contributing across the frontend where required. ...

currently working with a London-based financial-services client who are actively seeking a Senior Python Developer to work on the development of a business-critical research and analytics platform. What you'll need to succeed : Strong Python software engineering experience beyond exploratory ...

currently working with a London-based financial-services client who are actively seeking a Senior Python Developer to work on the development of a business-critical research and analytics platform. What you'll need to succeed : Strong Python software engineering experience beyond exploratory ...

Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent/Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/Engineer to join their global technology hub in Dublin. This … high-impact, permanent role designed for xxuwjjq a Python expert who can move beyond basic AI experimentation and into the engineering of productio... Check below to see if you have what is needed for this opportunity, and if so, make an application asap. ...

Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent/Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/Engineer to join their global technology hub in Dublin click apply ...

Description Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent/Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/Engineer to join their global technology hub in Dublin. This … high-impact, permanent role designed for a Python expert who can move beyond basic AI experimentation and into the engineering of productio... ZIPC1_UKTJ ...

Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across … tenure. The firm totals around 150 staff, all of whom are office-based three or more days per week. This is a more technical Senior QD role which will involve collaborating with Quantitative Researchers and Portfolio Managers to architect, design and implement scalable solutions, addressing complex business needs. Primarily ...

/day | 6 months | Remote | Immediate Start I'm hiring for a Senior Python Engineer for an initial 6-month contract. The role is ideal for engineers who enjoy owning features end-to-end while spending the majority of their time building scalable backend services and APIs. This … month initial contract ⚡ 1-stage interview process 🏠 Remote 🚀 Immediate starts available 📈 Potential for long-term extensions or permanent conversion 🛠️ Tech Stack/Environment Python (core backend focus) TypeScript + React (for fullstack feature ownership) AWS API development Modern cloud-based product environment Collaborative scaleup engineering culture 🎯 What They ...

currently working with a London-based financial services client who are actively seeking a Senior Fullstack Python Developer to work on the development of a next-generation research platform. What you'll need to succeed : Strong Python software engineering experience beyond exploratory scripts Hands-on experience ...

currently working with a London-based financial services client who are actively seeking a Senior Fullstack Python Developer to work on the development of a next-generation research platform. What you'll need to succeed : Strong Python software engineering experience beyond exploratory scripts Hands-on experience ...

currently working with a public sector client who are actively seeking 3 SC Cleared Senior Python Developers with strong Django experience. What you'll need to succeed : Extensive (10 years +) Python Development experience, ideally within the public sector. Active SC clearance is highly desirable, minimum expectation ...

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 ...