260,297+ Software Engineer Python Developer Jobs in UK — Top Companies Hiring July 2026

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Senior Software Engineer Ruby React AWS

Senior Software Engineer - Ruby React AWS A Senior Software Engineer opportunity for a growing SaaS business. The Fullstack Software Engineer will join an experienced autonomous Robotics product team as part of a scale-up business in a modern engineering environment. The Senior Software Eng ...

Senior Research Software Engineer, Web Development

About the role We are seeking a Senior Research Software Engineer (RSE) to lead software development on web projects related to research within the Department of Infectious Disease Epidemiology (DIDE), School of Public Health, Imperial College London. This post is hosted within the Department’s R ...

Senior Software Development Engineer Data Engineering

Senior Software Development Engineer – Data Engineering Nottingham Trent House (95002), United Kingdom, Nottingham, Nottinghamshire About This Role It’s an exciting time at Capital One UK. We’re on a mission to continue to build and modernise the cloud‑based data ecosystem to un ...

Senior Software Engineer (Real Time Embedded)

Job Description: Real Time Embedded Software Engineers – Capability Green Luton Your Impact Are you a passionate Real-Time Embedded Software Engineer with a few years of experience and looking to take the next step in your career? Do you want to work for an e ...

Senior Software Engineer Hybrid (Defence Tech)

A leading defence technology firm in Bristol is seeking a Senior Software Engineer to design and develop innovative software solutions. The ideal candidate has proven experience in leadership roles, strong programming skills, and a degree in Computer Science or a related field. This position offers a competitive ...

Lead Software Engineer Autonomous Maritime Systems

A leading engineering firm in the United Kingdom seeks an experienced Software Engineer to design and develop software for advanced autonomous systems. You will engage in the full software lifecycle, collaborating with a multidisciplinary team. Essential qualifications include proven software design experience, ...

Senior Software Engineer, Billing & VAT Platforms

Location Edinburgh Address Edinburgh Employment Type Full time Department Engineering Are you a Software Engineer who thrives on real ownership? At Perk, we know that we feel most fulfilled when we can own the problem and the ...

Senior Software Engineer: Billing & VAT Automation

This job is brought to you by Jobs/Redefined, the UK's leading over‑50s age inclusive jobs board. About Us Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time‑consuming, manual work that gets in the way of real work, our tools a ...

Senior Software Engineer Java Streaming Connectors

Senior Software Engineer - Java Streaming - Connectors United Kingdom (Remote) About ClickHouse Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast-growing private cloud companies. With more than 3,000 customers and ARR that has grown ...

Senior Java Software Engineer Quant Trading

Senior Java Software Engineer – Quant Trading This range is provided by Durlston Partners. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Durlston Partners Senior ...

Staff Software Engineer, Guest & Host Europe

Traveltechessentialist is looking for a Staff Engineer in the United Kingdom to lead the development of major subsystems. You will be responsible for creating product features and ensuring operational efficiency. The ideal candidate will have over 9 years of experience in software development, specializing in ba ...

Low Latency Software Engineer, Trading Systems

Hunter Bond is seeking a Software Engineer to develop and optimise high-performance trading systems in London. This hybrid position requires strong programming skills, particularly in low-latency and distributed systems, alongside a deep understanding of data structures and algorithms. Successful candi ...

Open Source Software, Machine Learning Engineer

About Mistral At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting‑edge mod ...

Lead Software Engineer (Hybrid) Defence Tech

Leonardo Worldwide Corporation is seeking a Lead Software Engineer in Basildon. Join us to take on pivotal technical authority roles in the defence industry, working on impactful software projects. This position offers a competitive salary range of £65,000 - £80,000 along with a comprehensive benefits ...

Senior Software Engineer Applied AI & Innovation

Kainos is seeking a Senior Software Engineer in Derry/Londonderry to innovate and deliver impactful software solutions within a fast-paced environment. In this role, you'll design and develop software, communicate effectively, and collaborate with diverse teams while also mentoring junior colleagues. The idea ...

Senior Software Engineer Transfers (Client Journeys)

We're looking for a Senior Full-Stack Engineer to develop and maintain our suite of transfer applications. You'll work across various repositories spanning React frontends and AWS serverless backends, owning the full delivery lifecycle from feature development through to production. Critically, we ...

Senior Software Engineer – National Security Systems

The National Physical Laboratory in Birmingham is seeking a Senior Software Engineer to lead the design and architecture of systems that support security testing. This hands-on role requires expertise that directly impacts national security by ensuring the delivery of secure software. Ideal candidates ...

Staff Software Engineer Engine by Starling

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a ...

AVP Software Test Engineer – Hybrid Belfast

Citibank (Switzerland) AG in Belfast is looking for a Software Test Engineer (AVP) to join their Global Fixed Income Trade Processing Team. The ideal candidate will have strong experience in automation testing (Selenium/Cypress), Java programming, and the ability to deliver testing strategies to ensure software ...

Principal Software Engineer: Mainframe Modernization Architect

Rocket Software in Newbury is seeking a Principal Software Engineer to provide deep technical leadership across COBOL development and Enterprise Server application replatforming products. The ideal candidate will have 10+ years in software engineering, a strong background in mission-critical systems, and experti ...

Adoption Software Engineer Java, Cloud Security

3761 Barclays - BX - UK is looking for an Assistant Vice President to design and improve software solutions in Glasgow, working with various engineering methodologies. Candidates should be skilled in Java and Public Cloud, particularly AWS, along with experience in authorization paradigms. The role inv ...

Software and systems test coordination engineer

We are seeking a dedicated Test Coordination Engineer to oversee testing status within the EVA25 programmes. This role is ideal for candidates with a strong background in software testing and systems testing , coupled with expertise in test management and test governance < ...

Rust Software Engineer High Performance Systems

We're looking for a detail-oriented and analytical Software Engineer (Rust) to join our team in Liverpool, United Kingdom. In this role, you will design, develop, and maintain high-performance systems using Rust, contributing to mission-critical applications that demand efficiency, reliability, and excepti ...

Senior Java/Kotlin Software Engineer Manchester

Senior Software Engineer - Manchester Zopa Bank is a new era of banking that redefines finance for customers. We started in 2005 building the first peer‑to‑peer lender, launched Zopa Bank in 2020, and are committed to listening to customers and flipping the finance experience. We’ ...

Internship Programme 2027: Software Engineer (Android)

Internship Programme 2027: Software Engineer (Android) About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, ...

Mobile Software Engineer III, iCasino UK

About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Bett ...

Software Test & Configuration Engineer — Agile Delivery

A global engineering consultancy in Peterborough is seeking a Software Test and Configuration Engineer for a pivotal water infrastructure project. The role involves leading test strategy development, collaborating with engineering teams, and implementing best practices in configuration management. The ideal cand ...

Senior Navision & Dynamics 365 Software Engineer

A technology solutions provider is seeking a Senior Software Engineer specializing in Microsoft Navision to develop business software solutions. The ideal candidate will have at least 7 years of application development experience, strong knowledge of Dynamics 365, and a solid understanding of Agile practices. Th ...

Staff Software Engineer, Analysis Tools & Profiling

Graphcore in Bristol seeks a Staff Software Engineer to design and develop profiling tools for optimizing applications on their hardware. This role includes technical leadership, mentoring junior engineers, and ensuring project excellence. The ideal candidate should have strong experience in complex so ...

Software and systems defect coordination engineer

Are you passionate about ensuring software and system excellence? We’re seeking a dedicated professional to oversee the timely identification, tracking, and resolution of issues across complex systems within a fast-paced environment. This is a senior role requiring a strong technical understanding, excepti ...

Research Software Engineer for Scientific Biology

The Ellison Institute of Technology in Oxford is searching for a detail-oriented Research Software Engineer. In this role, you will design, build, and operate software systems for cutting-edge research in engineering biology. You'll collaborate with multidisciplinary teams to develop computational tool ...

Senior Software Cloud and Test Engineer

Senior Software Cloud and Test Engineer – ONI At ONI, we are driven by a profound mission: to propel scientific discovery and combat diseases by granting everyone the ability to visualize, comprehend, and share intricate microscopic details of life. Our revolutionary Nanoimager stands at the fore ...

Principal Software Engineer Hybrid, Uncapped Holidays

Flutter Entertainment is seeking a Principal Engineer based in Leeds or Dublin to lead software delivery within the sports betting and trading technology environment. This role includes mentoring, refining processes, and ensuring system performance. The ideal candidate has extensive software development experien ...

Wearable Neurotech Electronics & Research Software Engineer

Corehr is seeking a full-time Electronics and Research Software Engineer to join the Brain Engineering Lab at the Institute of Biomedical Engineering in Oxford. The position is fixed-term for 12 months, with a possibility of extension up to 24 months, funded by the National Institute for Health and Care Resea ...

Graduate Software Engineer – AI & 3D Visualization

Reply, Inc. is seeking a Graduate Software Developer to join Canvas Reply in Greater London. This role offers graduates hands-on experience in software development, 3D visualization, and client-facing projects, ideal for building a solid technical foundation. The successful candidate will have a releva ...

Quantum Compiler Engineer — Scientific Software Architect

A leading technology company in the UK is seeking a creative Scientific Software Engineer. You will develop state-of-the-art simulation tools and compilers for quantum computing, collaborating with a team of experts. The role involves designing novel programming languages and integrating existing simulation tool ...

Software Engineer (Java/Scala) – Trading Systems

A leading financial technology firm in the City of London seeks an Associate Developer to join a small agile team that builds sophisticated software solutions. You will work closely with client teams to design and implement solutions for complex problems, requiring strong skills in Java and/or Scala. The role of ...

Embedded Firmware & Software Engineer – Rail Signalling

Unipart Technologies Group is seeking a Firmware/Software Engineer to join their team in Stockport. This role involves designing and implementing innovative solutions for signalling and train control systems within the railway engineering field. Key responsibilities include writing firmware for embedde ...

Software Engineer Early Stage start up

Overview Be part of building an AI-powered platform designed to simplify and enhance billing practices for law firms. By leveraging Large Language Models (LLMs) and machine learning, the concept automates and refines billing descriptions, ensures compliance with client and regulatory standards, an ...

Senior Java Software Engineer Payment Schemes

Hybrid Working We have a Hybrid approach to working here at Starling - our preference is that you're located within a commutable distance of one of our offices so that we're able to interact and collaborate in person. Engineering Environment Starling engineers are excited about ...

Software Engineer Signal Processing & AI (Hybrid)

A global leader in maritime defence solutions is seeking an experienced C++ Developer in Greater London. This role focuses on software design, implementation, and optimization of algorithms for signal processing and AI. Candidates should possess strong skills in C++ development and multi-threaded design. The pos ...

Low Latency E Trading Software Engineer

For additional information, please review .**Discover your future at Citi**Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make ...

Principal Software Engineer, Docker Agents (London)

At Docker, we make app development easier so developers can focus on what matters. Our remote-first team spans the globe, united by a passion for innovation and great developer experiences. With over 20 million monthly users and 20 billion image pulls, Docker is the #1 tool for building, sharing, and runni ...

Senior Software Engineer II Investments Java

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payment ...

SC Cleared Software Engineer Hybrid, Farnborough

Searchability, located in Farnborough, is seeking a Software Engineer to join its dynamic development team. The role involves designing and building scalable solutions in a fast-paced environment utilizing a range of technologies. The ideal candidate should have a degree in a related field, experience with Ja ...

Software Engineer: AI, Cloud & Salesforce Innovator

Profectus Recruitment is seeking a talented Developer for an innovative software company in Reading. This role offers the chance to work on AI-driven projects and collaborate closely with the Founder. You will design and build features across a modern tech stack, including Salesforce and Azure. The ide ...

Software Engineer, Apple Cloud Object Store

London, England, United Kingdom Software and Services Software Engineer, Apple Cloud Object Store Join the Apple Cloud Object Store (ACOS) team as a Software Engineer with a focus on security. The ACOS team, which is part of Apple Services Engineering organisation, is one of the most crit ...

Intermediate Software Engineer (£75k) at Goodlord

Overview Job Title: Intermediate Software Engineer (React) Salary: £75k Company Description: Goodlord is a £17M-backed, profitable PropTech scale-up in London revolutionizing the rental market for over 1 million tenants annually. Job Description: </b ...

Lead Software Engineer: Options Algorithmic Trading

JPMorganChase seeks a Lead Software Engineer in Greater London to enhance its electronic trading business. In this role, you will design and optimize cutting-edge algorithmic trading engines while collaborating with talented professionals committed to delivering scalable solutions. The ideal candidate ...

Software Engineer (£80k + Equity) at REVAX

Job Title Software Engineer Salary £80,000 + Meaningful EMI Equity Location London, UK Company Description REVAX is a seed‑stage London startup backed by leading institutions and angels, building a new class of AI‑native software for tax advis ...

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