Lead Software Developer Python Jobs in UK

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Full Stack Web Developer

We are a University of Southampton deep-tech spinout who operate at the intersection of machine learning and chemistry. We design, train, and deploy machine-learning models to improve the accessibility, searchability, and understanding of vast chemical datasets. Role Overview We are seeking ...

Remote .NET/React Software Engineer (Mid Level)

A leading software company is looking for a Mid-Level Software Developer to enhance their Claim Management System and fleet management platform. The role involves contributing to full-cycle development using C# and React, ensuring high-quality software through TDD practices. Candidates should have at least 3 yea ...

Remote Senior Software Engineer Code Analysis & AI

Kubelt is seeking a Senior Software Engineer in the UK, focusing on code analysis and software development. The role involves maintaining detection support for various programming languages, developing the CodeQL query language, and working alongside engineering teams to enhance product quality. With a requireme ...

AI Technical Architect_ Active SC Clearance

Job Title: Lead AI Technical Architect (Generative AI) Location: Remote (UK Based) Contract Length: 6 Months (High potential for extension) Rate: £550 per day (Inside IR35) Security Clearance: Active SC Clearance RequiredThe OpportunityWe are seeking a heavyweight AI Technical Architect with a 15 ...

AI Technical Architect_ Active SC Clearance

Job Title: Lead AI Technical Architect (Generative AI) Location: Remote (UK Based) Contract Length: 6 Months (High potential for extension) Rate: £550 per day (Inside IR35) Security Clearance: Active SC Clearance RequiredThe OpportunityWe are seeking a heavyweight AI Technical Architect with a 15 ...

Remote Freelance PHP Developer (Laravel) – Startup SaaS

A leading startup in SaaS development is looking for a Junior / Freelance PHP Developer to join their team remotely. This role is designed for a junior developer or student eager to gain practical experience in a live software environment. Responsibilities include assisting with the development of their platform ...

Senior COBOL Developer

Senior COBOL Developer Oxfordshire / Hybrid (1-day per week in office)Easily commutable from Birmingham, Coventry & London £55k - £65k + Corporate benefits A long-established software business is hiring a Senior COBOL Developer to maintain ...

Senior COBOL Developer

Senior COBOL Developer Oxfordshire / Hybrid (1-day per week in office)Easily commutable from Birmingham, Coventry & London £55k - £65k + Corporate benefits A long-established software business is hiring a Senior COBOL Developer to maintain ...

AI Engineer/Developer

AI Engineer£55,000-£75,000 DOE + BenefitsGlasgow, Scotland - Flexible Options Available MBN is exclusively supporting a Glasgow based organisation, that help businesses and communities grow globally within the energy sector. We work as a team and we’re prou ...

Software Engineer (AI Platform) London

Revax is building a new class of AI-native software for tax advisory teams. Today, advisers lose entire days to researching and drafting advice - fragmented knowledge, manual workflows, and brittle tooling. We turn a firm's own expertise into structured, transparent AI systems that draft, analyse, and expl ...

Data Engineer

Get AI-powered advice on this job and more exclusive features. Pathfinder - IT Recruitment provided pay range This range is provided by Pathfinder - IT Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range </h3 ...

Senior Data Scientist

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Dentons Senior Resourcing Advisor for the UK & Ireland at Dentons, the world's largest law firm Duration : Permanent Location : UK Reports to : Data Sc ...

Senior Java Developer (AWS, Java, API) Sussex Hybrid

Senior Java Developer (AWS, Java, API) - Sussex - Hybrid Daily rate: £500 - £700 (inside IR35) Duration: 6 months Hybrid: 2 days a week on site (tues, weds) Start: ASAP My client is ...

Senior Python Engineer: Data & Azure Serverless (Hybrid)

A well-known Northern Irish organization is looking for a Software/Data Engineer for a short-term contract in Belfast. Responsibilities include redeveloping Python functions and conducting unit tests. Ideal candidates will have a strong software development background with proficiency in C# and Python, and exper ...

Software Engineer II

Position at Ziff Davis Shopping. VoucherCodes, a key part of Ziff Davis Shopping, is looking for a Software Engineer II to join our Engineering team in London. In this hybrid role, you will join a collaborative squad of over 25 UK-based engineers within a global team of 50+, reporting to an Engineering Man ...

Cloud Enterprise Architect, Professional Services, Google Cloud

Cloud Enterprise Architect, Professional Services, Google Cloud corporate_fare Google place London, UK Qualifications Bachelor’s degree or equivalent practical experience. 7 years of experience troubleshooting technical issues for internal/external partners or cu ...

Site Reliability Engineer (SRE)

Site Reliability Engineer (SRE)Salary: £50,000 per annumReporting to: Head of TechnologyLocation: London-based | Hybrid working (2–8 days per month in the office)We’re looking for an SRE with 2–3 years of experience in DevOps, Platform Engineering, or SRE who can write production-quality code ...

Site Reliability Engineer (SRE)

Site Reliability Engineer (SRE)Salary: £50,000 per annumReporting to: Head of TechnologyLocation: London-based | Hybrid working (2–8 days per month in the office)We’re looking for an SRE with 2–3 years of experience in DevOps, Platform Engineering, or SRE who can write production-quality code ...

Senior Microsoft Platform Engineer Birmingham

Job Description Scroll down to find an indepth overview of this job, and what is expected of candidates Make an application by clicking on the Apply button.Senior Microsoft Platform Engineer - Birmingham Senior Microsoft Platform Engineer with experience in Azure DevOps, Power Platform, ...

Solution Architect

Solution Architect Location: London - 2/3 days on site Duration: 04/05/2027 Rate- £506 MUST BE PAYE THROUGH UMBRELLA Key Responsibilities Lead and manage software development projects using Java, Python, Typescript, A ...

Senior Software Engineer I Software engineering London

Job Description Global payments are complex and ever-evolving. At Checkout our software engineers develop the next-generation payments technologies that enable our Merchants to boost their acceptance rates, cut processing costs, fight fraud, and create cutting edge technology that enables extraor ...

Staff Software Engineer Streaming Software engineering London

Staff Data Engineer – Data & AI Platform Checkout.com is looking for an ambitious Staff Data Engineer to join our Data and AI Platform Team. The team’s mission is to build a platform where you can create reliable, scalable, AI‑powered streaming and batch data applications, and share data across C ...

Research Software Engineer / Senior Research Software Engineer

The King’s Digital Lab (KDL) isseekingto appoint either a Research Software Engineer or Senior Research Software Engineer. KDL is a Research Software Engineering (RSE) team embedded within the Faculty of Arts and Humanities at King’s College London. We design and implement systems, infrastructure, t ...

Senior Backend Software Engineer Application Development Software

Senior Backend Software Engineer - Application Development Own the architecture and delivery of scalable backend services for Palantir's Foundry platform. Location: London About The Role Palantir builds the world's leading software for data‑driven decisions and operati ...

Research Software Engineer / Senior Research Software Engineer

About us King's Digital Lab (KDL) is a Research Software Engineering (RSE) team embedded within the Faculty of Arts and Humanities at King's College London. We design and implement systems, infrastructure, tools, and processes needed to produce a heterogeneous range of high quality digital schola ...

Senior Software Engineer Ground Software for Aircraft

A leading aerospace technology company in Uxbridge seeks a Senior Software Engineer to join their team responsible for developing state-of-the-art ground software for commercial aircraft. The ideal candidate will have at least 5 years of software development experience and expertise in Python, C#/.NET, and AWS. ...

Research Software Engineer / Senior Research Software Engineer

The King’s Digital Lab (KDL) is seeking to appoint either a Research Software Engineer or Senior Research Software Engineer.KDL is a Research Software Engineering (RSE) team embedded within the Faculty of Arts and Humanities at King’s College London. We design and implement systems, infrastructure, too ...

Research Software Engineer / Senior Research Software Engineer

# Further InformationAt King’s, we believe that the diversity of our community and a culture that is welcoming, open, inclusive and collaborative, are great strengths of the university. The Equality Act of protects the rights of our students and staff and provides a framework to fulfil our duties to eliminat ...

Senior Software Engineer Oracle Infra

Senior Software Engineer - Oracle Infra Location London Business Area Engineering and CTO Ref # 10049447 **Description & Requirements** Bloomberg is the industry standard for financial data. Bloomberg's software solutions depend on robust d ...

Graduate Software Engineer Hybrid & Global Impact

A leading software development company is seeking a Graduate Software Developer to join its innovative team. This role offers an exciting opportunity for recent graduates to work in a flexible hybrid environment, focusing on cloud-based software solutions. As part of the Klipboard University Foundations Developm ...

Full Stack Tech Lead ID40090

Overview Our client, a leading force in the digital solutions space, is seeking a Full Stack Developer / Technical Lead to join their talented, growth-minded team. This is a chance to work with cutting-edge technologies, shape scalable products that serve thousands of users every minute, a ...

Director, AI & Data Science

Position: Director, AI & Data ScienceLocation: Remote UK, US or India (4-6 hours overlap with east coast required)About LRN: LRN is the world’s leading dedicated ethics and compliance SaaS company, helping more than 30 millio ...

Software Engineer AI SDK

United States or Canada - Remote Opportunity About Us Temporal is an open source programming model that can simplify code, make applications more reliable, and help developers focus on the important things like delivering features faster. We are on a mission to be the reliable foundation ...

Fixed Term Staff Information Developer

Are you passionate about technical writing? Does ground-breaking technology inspire you? Join Arm’s Information Developers and develop content for IP products that power 95% of the world’s connected devices—from healthcare to smart homes to infrastructure. We’re looking for an expert technical autho ...

AI Application Developer

Sprytech Ltd is an established cyber security and emerging technology company based in London, UK, founded by experienced technocrats having many years of industry experience across the globe. Sprytech has started an India office based in Mumbai and is working to establish an AI/ML driven cybersecurity and ...

Full Stack Engineer (Kotlin and/or Python) – VP

Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape ...

IT Support / Junior Developer

Let KHR help you find the perfect candidate IT Support / Junior Developer Salary: £25,000 – £35,000 (dependent on experience)Location: Kings Hill (Office-based) Are you tech‑savvy, people‑focused, and eager to grow your development skills? We’re looking for an IT Supp ...

Staff Platform Engineer (DevEx)

Location London - The River Building HQ Employment Type Full time Department Deliveroo Cost Center Hierarchy Technology Technology Engineering Engineering (Infra) Engineering (Infra) About the team The Local DevEx team within the Foundations group em ...

Front End Developer

Senior Software Developer (Frontend)Contract: 3‑month rolling contract Client: Government / Public Sector Rate: Up to £470 inside IR35, higher rates available for exceptional candidates Clearance: Active SC Start Date: ASAPLocationPredominantly remote, with travel up to ...

Front End Developer

Senior Software Developer (Frontend)Contract: 3‑month rolling contract Client: Government / Public Sector Rate: Up to £470 inside IR35, higher rates available for exceptional candidates Clearance: Active SC Start Date: ASAPLocationPredominantly remote, with travel up to ...

Senior Web Application Developer

A leading technology company based in Oxfordshire is seeking a experienced Web Application Developer to join its engineering team. This is a newly created role , with responsibility for hands-on technical delivery and mentorship of junior team members. Company </str ...

Product Manager Extensibility

Product Manager - Extensibility Architect the Future of 3D Design as our next product manager and help enable thousands of developers to build on the world-renowned SketchUp platform. Trimble seeks an organized, detail‑driven problem solver to translate product strategy into cutting‑edge API and ...

Senior Web Application Developer

A leading technology company based in Oxfordshire is seeking a experienced Web Application Developer to join its engineering team. This is a newly created role , with responsibility for hands-on technical delivery and mentorship of junior team members. Are you the right applicant ...

React UI Developer

LocationLondon, England, United Kingdom# React UI Developer at N Consulting LtdLocationLondon, England, United KingdomSalary£250 - £300 /dayJob TypeContractDate PostedFebruary 27th, 2026Apply NowWork mode: Hybrid, 3 days WFO Contract duration: 12 months Location: London ------------------------------------- ...

Senior Full Stack Engineer ClickStack

Join to apply for the Senior Full Stack Engineer - HyperDX role at ClickHouse . About ClickHouse Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast‑growing private cloud companies. With over 2,000 customers and ARR that has more ...

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    Lead Software Developer Python Jobs in United Kingdom Job Search Guide, Trends and Insights