1 to 25 of 33 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 Python Developer (PYTHON/REACT/AWS/AZURE) - is required by fast growing and highly successful technology consultancy. They are looking for a talented individual who will design, implement, and maintain their complex software, systems, and customer-facing digital products. Requirements Design and implement … this job Able to demonstrate commercial software development experience. Practical experience in system design, development, testing and operational stability. Deep knowledge and experience in Python and its ecosystem, patterns and pitfalls. Experience applying continuous delivery, test driven development and pair programming. Experience of working in an agile environment ...

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 ...

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 … 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 ...

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 ...

intuitive, reliable tools that make a real difference for researchers, clinicians, and regulatory teams. The Role We’re looking for a Mid-Level to Senior Python Developer with experience working with modern AI and LLM technologies. We’re looking for someone who can write clean, maintainable Python … environments, takes initiative, and is comfortable working across backend engineering, AI tooling, data workflows, and product collaboration. Responsibilities Write clean, maintainable, and well-tested Python code. Design and maintain scalable, reliable backend systems, APIs and data-processing pipelines. Work with structured scientific, clinical, and regulatory data. Contribute to GenAI ...

Senior Backend Python Developer 6-Month contract - Inside IR35 - up to £450 per day Leeds based - hybrid working - 3 days onsite Responsibilities Build and maintain backend services and APIs in line with existing architectural patterns and standards. Implement business logic, data access layers, and integrations with internal … performance, and reliability guidelines when implementing backend changes. Skills & Experience Core backend engineering 3-6+ years of backend development experience. Strong experience with Python or equivalent backend frameworks. Solid understanding of REST API development, request/response models, and error handling. Experience working in microservices-based architectures. Cloud ...

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. ...

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 ...

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 a Python expert who can move beyond basic AI experimentation and into the engineering of productio... LFWQ1_UKTJ ...

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 ...

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 ...

turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation … week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution of Sky's AI Operations platform, shaping intelligent automation and large-scale operational ...

turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation … week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution of Sky's AI Operations platform, shaping intelligent automation and large-scale operational ...

turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation … week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution of Sky's AI Operations platform, shaping intelligent automation and large-scale operational ...

turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation … week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution of Sky's AI Operations platform, shaping intelligent automation and large-scale operational ...

turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation … week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution of Sky's AI Operations platform, shaping intelligent automation and large-scale operational ...

turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation … week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution of Sky's AI Operations platform, shaping intelligent automation and large-scale operational ...

turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation … week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution of Sky's AI Operations platform, shaping intelligent automation and large-scale operational ...

turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation … week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution of Sky's AI Operations platform, shaping intelligent automation and large-scale operational ...