Lead Software Developer Python Jobs in UK

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Chief Technology Officer

Overview Lead the Future of Defence Simulation Technology When RAF sensor operators scan hostile territories, when submarine hunters track underwater threats, when military intelligence teams decode electronic warfare signals – their success depends on world-class training. We’re ...

Senior React Software Engineer (front end)

Senior Software Engineer – Back End, Rates & FX Join to apply for the Senior Software Engineer – Back End, Rates & FX role at TP ICAP Senior Software Engineer – Back End, Rates & FX Join to apply for the Senior Software Engineer – Back End, ...

Senior Software Engineer

Position: Senior Software Engineer Location: London – 2 days onsite Salary: Open to discuss Fintop Consulting has partnered with an AI Health-tech partner based in Central London who is looking to hire a Senior Backend Engin ...

Senior Android Developer

Senior Android Developer Department: Engineering Employment Type: Permanent - Full Time Location: Bristol, UK Compensation: GBP 55,000 - GBP 75,000 / year Description We're building the UK's next generation engineering p ...

Senior Android Engineer – Kotlin, Secure Apps & ATAK Plugins

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Senior Android Developer Department: Engineering Employment Type: Permanent - Full Time Location: Bristol, UK ...

Senior Platform Engineer

Senior Platform Engineer page is loaded## Senior Platform Engineerremote type: Hybridlocations: London: Portotime type: Full timeposted on: Posted 2 Days Agotime left to apply: End Date: May 25, 2026 (11 days left to apply)job requisition id: JR **Worker Type:**Employee**Application End Date:** We ...

Platform Engineer

Platform Engineer – Bede Gaming As a Platform Engineer, you will design, build, and maintain scalable infrastructure and developer platforms that enable the delivery of high-quality gambling entertainment software. Location: Newcastle-upon-Tyne Employment type: Full-time S ...

Senior Software Engineer

We are seeking an experienced Senior Software Engineer to join a fast-growing, innovative organisation at the forefront of semiconductor technology, embedded systems, and capacitive touch solutions.This is an exciting opportunity to lead the design and development of firmware and advanced touch algorithm ...

Senior Software Engineer

We are seeking an experienced Senior Software Engineer to join a fast-growing, innovative organisation at the forefront of semiconductor technology, embedded systems, and capacitive touch solutions.This is an exciting opportunity to lead the design and development of firmware and advanced touch algorithm ...

Back End Developer (DV Cleared)

Location: City of London Job Type: Permanent Industry: Cloud & Infrastructure Job reference: BBBH416734_1777288713 Posted: about 6 hours ago DV Cleared Backend DeveloperLocation: UK WideClearance: DV clearance requiredSector: Defence & National SecurityRole SummaryOur client ...

Back End Developer (DV Cleared)

DV Cleared Backend Developer Location: UK Wide Clearance: DV clearance required Sector: Defence & National Security Role Summary Our client is seeking DV cleared Backend Developers to support high impact Defence and Security programmes. You will design, build and ...

Back End Developer (DV Cleared)

Location: City of London Job Type: Permanent Industry: Cloud & Infrastructure Job reference: BBBH416734_1777288713 Posted: about 6 hours ago DV Cleared Backend DeveloperLocation: UK WideClearance: DV clearance requiredSector: Defence & National SecurityRole SummaryOur client ...

Quantitative Developer, VP

We are seeking an experienced Quantitative Developer to join the Numerical Performance Group (NPG), a central specialist team within Citi’s Markets Quantitative Analysis (MQA) organisation. NPG designs, develops, and deploys roots, Citi’s core high‑performance C++ numerical library. The roots libra ...

Quantitative Developer, VP

We are seeking an experienced Quantitative Developer to join the Numerical Performance Group (NPG), a central specialist team within Citi’s Markets Quantitative Analysis (MQA) organisation. NPG designs, develops, and deploys 'roots', Citi’s core high‑performance C++ numerical library, which underpins prici ...

Senior Mobile developer

Senior/Lead Mobile Developer - iOS or Android focused Can be based out of Birmingham, Leeds, Manchester, or Bristols – 1-2 days per week A growing digital consultancy is looking for a Lead Mobile Developer to join its Software Engineering practice at Lead Consultant level. This is ...

Senior Mobile developer

Senior/Lead Mobile Developer - iOS or Android focused Can be based out of Birmingham, Leeds, Manchester, or Bristols – 1-2 days per week A growing digital consultancy is looking for a Lead Mobile Developer to join its Software Engineering practice at Lead Consultant level. This is ...

Senior Mobile developer

Senior/Lead Mobile Developer - iOS or Android focused Can be based out of Birmingham, Leeds, Manchester, or Bristols – 1-2 days per week A growing digital consultancy is looking for a Lead Mobile Developer to join its Software Engineering practice at Lead Consultant level. This is ...

Senior Mobile developer

Senior/Lead Mobile Developer - iOS or Android focused Can be based out of Birmingham, Leeds, Manchester, or Bristols – 1-2 days per week A growing digital consultancy is looking for a Lead Mobile Developer to join its Software Engineering practice at Lead Consultant level. This is ...

Technical Team Leader

Technical Team Leader, C#.Net, Python, SQL, West Sussex Hybrid with salary £80K An established software company in Horsham are looking for a passionate Technical Team Leader with strong technical skills to guide their internal software solutions and the team that develops and maintains them ...

Rust Quant Developer — Real Time Trading & ML

A major financial recruitment agency is looking for a Rust Quant Developer to help develop a new systematic trading platform for a top hedge fund. This role offers collaboration with a talented team, exposure to all aspects of quantitative trading, and a chance to work on high-quality machine learning systems. I ...

Hybrid BI Developer — Power BI, SQL & ML for Estates

KBR, Inc. is seeking a Business Intelligence Developer based in Swindon. The successful candidate will develop and maintain Power BI datasets, implement SQL for data transformations, and ensure data accuracy across reports. Responsibilities include monitoring pipeline performance and documenting changes. A stron ...

Graduate Quant Developer / Researcher Hybrid London

An elite quantitative trading firm in London is seeking an exceptional graduate for the role of Graduate Quant Developer. In a hybrid working environment, you will build high-performance trading systems, research models, and collaborate with leading technologists. This unique opportunity offers a meritocratic cu ...

Senior Quantitative Developer for High Performance Trading

A leading financial services firm in London is seeking a talented Quantitative Developer to build next-generation trading platforms. You will develop and maintain trading systems using C++ and Python, implement quantitative models, and contribute to architectural decisions. This role offers market-leading compen ...

Developer Relations Engineer

As the publisher of Ubuntu we serve millions of developers, building for the cloud, IoT and data science. We aim to make open source easier and more reliable for innovators and enterprises.We have created a new Developer Relations team to engage directly with open source communities and developer-centr ...

Developer Relations Engineer

As the publisher of Ubuntu we serve millions of developers, building for the cloud, IoT and data science. We aim to make open source easier and more reliable for innovators and enterprises.We have created a new Developer Relations team to engage directly with open source communities and developer-centr ...

Senior Software Engineer – Property Based Testing (London)

Open Source Pledge is seeking a developer for its London team to build Hegel, a new family of property-based testing libraries. You will work on open-source initiatives requiring proficiency in property-based testing and familiarity with languages like Python and Rust. The role emphasizes collaboration and high ...

Senior Python Full Stack Engineer Hybrid (Newcastle)

A leading technology recruitment firm is seeking a Senior Python Full Stack Developer in Newcastle upon Tyne. In this role, you will develop high-performance web applications and cloud solutions in a rapidly expanding engineering firm working on tools for offshore wind and marine operations. The position offers ...

AI Engineer: Production ML, LLMs & Pipelines (SC Cleared)

A technology company in Gloucester seeks an AI Developer/Engineer to design and deliver advanced AI solutions. This role involves developing intelligent applications and deploying machine learning models, requiring strong Python skills and experience with frameworks like PyTorch and TensorFlow. Ideal candidates ...

Front‑Office Commodities Quant Developer

A leading hedge fund in Greater London is seeking to hire a Quant Developer to enhance their Commodities business. This position focuses on developing core analytics and translating trading challenges into robust technical solutions. Candidates should have a strong academic background in relevant fields and prog ...

Senior Software Engineer – Property Based Testing (London)

Open Source Pledge is seeking a developer for its London team to build Hegel, a new family of property-based testing libraries. You will work on open-source initiatives requiring proficiency in property-based testing and familiarity with languages like Python and Rust. The role emphasizes collaboration and high ...

Azure Integration Engineer: Data Platform & APIs

Mirai Talent in Hemington, England is looking for an Azure Integration Developer to architect and maintain integrations using Azure Logic Apps and Functions. Responsibilities include managing APIs through Azure API Management and supporting an event-driven architecture. The ideal candidate has over 2 years of ex ...

Real Time Full Stack Engineer React & Python

A leading FinTech recruitment agency is looking for a Full Stack Developer to join a high-performing team in Greater London. The role involves developing real-time web applications and requires solid experience in React and Python. You will work on building scalable systems and collaborate closely with product t ...

Backend Engineer, Core Infrastructure: Scale & Reliability

A leading tech company in Greater London is looking for a Backend Engineer to build and maintain the platform foundations for their services used by over 600M users globally. You will be responsible for ensuring reliability, scalability, and providing developer tooling so that engineering teams can deliver featu ...

AI Powered Full Stack Engineer for Next Gen Interfaces

A technology company in London is seeking a Full Stack Developer to design and implement innovative AI interfaces. The role focuses on creating responsive applications using React and Next.js, while collaborating on new interaction models with Product Designers. Candidates should have strong backend skills (Node ...

Senior Full Stack Engineer (Hybrid) | Node, React, API, Linux

A technology solutions company is seeking an experienced developer to join their team in Ware, England. Responsibilities include developing server-side applications with Node.js and Python, as well as designing user interfaces using modern JavaScript frameworks. The ideal candidate will have at least 3 years of ...

Backend Engineer Core Infrastructure

As a Backend Engineer on Spotify's Core Infrastructure team, you'll build and maintain the platform foundations that power Spotify for 600M+ users globally. You'll work on reliability, scalability, and developer tooling—ensuring engineering teams can ship features rapidly and safely. Skills Requir ...

Full Stack Engineer: Shape Scalable Backend & UI

A leading SaaS provider is seeking a Mid-Level Full Stack Developer to join their engineering team. This role involves both back-end and front-end development, focusing on Python/Django and React. Candidates should have at least 2 years of experience in full stack development, designing RESTful APIs, and familia ...

Ground Segment Backend Engineer (Go/Python)

A leading space technology company in East Hagbourne seeks a Backend Developer to implement and maintain backend services for satellite missions. Join a collaborative team leveraging cutting-edge technology and amply opportunities for growth. Strong skills in Go and Python are essential, along with experience in ...

Senior BI Developer: Remote UK, Fabric Lakehouse & Power BI

A global manufacturing organisation is seeking a Senior BI Developer to enhance their cloud-based data platform. The role involves managing data pipelines, developing Power BI reports, and ensuring data governance. Ideal candidates will have hands-on experience with Microsoft Fabric, Python, and data modelling. ...

Senior AWS Backend Engineer Remote Data Solutions

An international company is seeking a backend developer to design and deliver statistical models and data solutions. You will work with AWS to develop solutions, collaborate with product teams, and troubleshoot technical issues. The ideal candidate has 3+ years of experience with Python, C++, or C#, and a deep u ...

Rates Quant Developer VP: Build Production Trading Systems

A leading global financial services firm in Greater London is seeking a Quantitative Developer, Rates – Vice President. In this role, you will design and deliver production systems for systematic trading, partnering closely with researchers and traders. Candidates should have strong programming skills in Java or ...

Rates Quant Dev VP: Build Production Trading Systems

A leading financial services firm in the UK is seeking a Quantitative Developer, Rates – Vice President to design and deliver production systems for systematic trading. You'll work closely with researchers and traders to implement resilient, performant algorithms and enhance execution platforms. The ideal candid ...

Quant Developer – Index Rebalance & Research Infrastructure

A top tier global hedge fund is seeking an experienced Quant Developer to enhance their trading infrastructure. The role involves developing core research systems, collaborating with cross-functional teams, and ensuring the quality of code. Ideal candidates should possess strong programming skills in Python, alo ...

Junior Quant Developer: DAG Powered Quant Trading

A leading financial technology firm in Greater London is seeking a Quantitative Developer for its Equities Statistical Arbitrage business line. The ideal candidate will have strong Python development skills, experience in the finance industry, and an analytical mindset. Responsibilities include developing quanti ...

Quant Developer: Real Time Data & Risk Analytics

A leading global quantitative hedge fund seeks a Quantitative Developer to build and operate data platforms and risk analytics systems. This role requires 3-7 years of experience in quantitative development and proficiency in Python, SQL, and C#. You will design low-latency components and optimize large datasets ...

Backend Engineer Intern — Build Scalable Security APIs

A leading cybersecurity firm in Belfast is seeking a backend developer with experience in Python and AWS. The role involves collaborating with cross-functional teams to enhance the Tessian product while maintaining security compliance. Ideal candidates will have a product-focused mindset and strong problem-solvi ...

Hybrid Power BI Developer — 6 Month Contract

A leading recruitment firm is seeking an experienced Power BI Developer for a 6-month contract in Warwick. The role involves designing and developing Power BI dashboards, integrating Python scripts, and ensuring clean data from back-end sources. The ideal candidate will have 5-10 years' experience and must be ab ...

Senior C# Analytics Engineer High Performance Pricing

A leading financial services platform is seeking a Senior C# Developer to work on advanced pricing and risk platforms. The ideal candidate must have expertise in C#, Python, and experience with front-end technologies like React. This role requires collaboration with trading and quantitative teams, emphasizing Ag ...

Python Engineer Front Office IT & Cloud

A leading trading company seeks a developer to support Traders and Analysts in a fast-paced environment. You will utilize your expertise in Python for building Web APIs and optimizing database performance. The role requires strong communication skills and experience with CI/CD processes, particularly in a Micros ...

Hybrid Azure AI & Data Scientist

A leading managed IT services provider is seeking an AI & Data Developer passionate about machine learning and Azure technologies. The role involves designing and delivering effective ML solutions, collaborating with teams, and ensuring quality deployment of models. Ideal candidates will have a DP-100 Azure cert ...

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