321,021+ Software Engineer Python Developer Jobs in UK — Top Companies Hiring July 2026

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Founding Software Engineer

Join the rocket ship redefining commercial insurance with AI nettle is a fast-growing, VC-backed Insurtech building one of the most compelling real-world applications of AI: transforming how commercial insurers assess risk - 5x faster, more consistently, and at a far greater scale than ever befor ...

Principal Software Engineer

Principal Java Engineer - Belfast (Hybrid) We're hiring a Principal Java Engineer for one of the most interesting product engineering teams in Belfast. This is a genuine principal‑level role - not a senior engineer with a better title. You'll be setting technical direction, owning architecture dec ...

.Net Software Engineer

About StarCompliance StarCompliance is on a mission to make compliance simple and easy. Trusted globally by enterprise financial institutions, the user‑friendly STAR platform empowers organizations to achieve regulatory compliance while safeguarding their integrity and business reputations. Throu ...

Java Software Engineer

Java Fullstack Engineer Wanted for a Top Banking Client in Leeds! Calling all experienced Java Fullstack Engineers! We’re searching for a high‑impact developer (8–15 years of experience) to join a major banking client in Leeds, UK. This role is available as a ...

Mobile Software Engineer

Mobile Software Engineer Location: Bristol, Hybrid Salaries: Up to £75k. Technologies: Swift, Objective‑C. Benefits 35 days holiday including bank holidays Buy and Sell holiday Health Insurance Overview I am wor ...

Application Software Engineer

The Opportunity Join a team at the forefront of underwater robotics innovation. In this role, you'll design and deliver cutting‑edge software solutions that power the next generation of subsea vehicles. Working at the intersection of advanced engineering and real‑world application, you'll contrib ...

Java Software Engineer

Account Manager @ Spectrum IT | Recruitment, Customer Service Software engineer - Java Hybrid working (2 days per week in Poole) Market leaders in traffic management systems Java, Springboot, MySQL, Microservices, AWS An exciting new oppor ...

Firmware/Software Engineer

At Park Signalling we utilise our specialist engineering skills and knowledge to deliver products and services including consultancy and projects. We deliver design and development, application engineering, prototype manufacture, repair and consultancy at any stage in the life-cycle of a system or product. ...

Automation Software Engineer

Contract Siemens TIA Portal Software Engineer Initial 3 month contract Essex Outside IR35 Role We are looking for an experienced Siemens TIA Portal Software Engineer to support automation and controls projects within manufacturing and industrial environments. Responsibilities Siemen ...

Backend Software Engineer

Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and posture insights, ensu ...

Java Software Engineer

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continu ...

.NET Software Engineer

Full Stack Developer – .NET, Angular, Azure – Remote (USA) Our client, a fast‑growing SaaS technology company, is looking to hire a Full Stack Developer to join their fully remote US team. This is a hands‑on role where you’ll work across the full development lifecycle, contr ...

Software Engineer (C++)

At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with som ...

Principal Software Engineer

It's fun to work in a company where people truly BELIEVE in what they're doing! Job Description Summary The Infrastructure Modernization business unit is seeking a highly experienced Principal Software Engineer to join our engineering organization and provide deep technical leadership acr ...

Java Software Engineer

We are looking for a senior engineer who can take end-to-end ownership of complex, distributed systems - from a clean, accessible UI all the way down to the database and the pipelines that ship it. You will design, build, and operate cloud-native microservices in Java 17/21 with Spring Boot expose well-ver ...

Principal Software Engineer

## .Principal / Consulting Engineer page is loaded## Principal / Consulting Engineerlocations: Oxford: Londontime type: Full timeposted on: Posted Todayjob requisition id: R **Principal Engineer****About the role:**As a Principal Engineer, you will help shape the technical direction of platforms used b ...

Principal Software Engineer

Are you excited to influence technical direction across teams while still contributing hands‑on to complex, high‑impact engineering challenges? Do you want to shape domain architecture, mentor senior engineers, and connect technical decisions to real customer and business outcomes? RX Global aims to ...

Software Engineer, Desktop

About The Role A1 is building a proactive AI chat app for everyday users to bring intelligence to conversations, errands, organising and workflows. Unlike traditional chat-based applications, our product focuses on achieving high reliability for long-running workflows, persistent context, and rea ...

Java Software Engineer

Overview BGC Group Greater London, England, United Kingdom Java Software Engineer BGC Group Greater London, England, United Kingdom Built upon the foundation of cutting edge tech and exceptional talent, BGC Partners is a pioneering global brokerage and financial technology com ...

Principal Software Engineer

Principal Engineer About the role As a Principal Engineer, you will help shape the technical direction of platforms used by the global research community. You will work across teams to modernise systems, improve reliability, and guide the responsible use of AI where it delivers clear va ...

Software Engineer Systems

Spiral is building the data infrastructure that AI actually needs. We enable teams developing models in complex domains, such as weather & climate, financial, time-series, genomics, point-clouds, videos, and images. We're reinventing storage with innovative data layouts, compression strategies, and ...

Sr. Software Engineer

About Dialpad Dialpad is the leading AI-powered customer communications platform, transforming how businesses communicate with their customers. More than 50,000 companies around the globe — including Netflix, RE/MAX, Uber, Randstad, and Tractor Supply — rely on Dialpad to build stronger customer c ...

Founding Software Engineer

The opportunity Substrate is building a network of fully autonomous wet labs, cloud-based data production facilities for AI biology, integrated with foundation models to become the critical infrastructure layer for AI-driven biological discovery. Our first node opens in King’s Cross, London, with ...

Principal Software Engineer

UK citizenship required for this position: Yes Relocation assistance may be available. Travel: Yes, 10% of the time. Define Possible at Northrop Grumman UK What’s your possible? At Northrop Grumman UK, you are part of a team driving innovation where it matters most ...

Staff Software Engineer

Overview Lunar is a stealth technology company building a new type of software platform for health systems. We are on a mission to revolutionize healthcare with cutting-edge, AI-powered software designed to help every hospital deliver world-class care for their patients. Our platform is already th ...

Staff Software Engineer

The Company You’ll Join Carta connects founders, investors, and limited partners through world‑class software, purpose‑built for everyone in venture capital, private equity and private credit. Trusted by 65,000+ companies in 160+ countries, Carta’s platform of software and services lays the groun ...

Software Engineer – 11508AW8

11508AW8 £40k – 60k per year Software Engineer Hybrid working 2 days onsite per week We are seeking a talented and forward‑thinking Software Engineer to join our clients growing team. In this role, you will design, develop, test, and maintain both desktop and web applications us ...

Rust Software Engineer

Role : Rust Software Engineer – Distributed SystemsClient : Scientific Quant FundCompensation : Up to £225,000 Base + BonusLocation : London (Hybrid) Overview A scientific quant fund is seeking a high-performance Rust Software Engineer to join a ...

Software Engineer (Backend)

Software Engineer London | Full-time | Hybrid | Shoreditch/Liverpool Street Create the Future of Travel With Us Whether it's visiting the people closest to us, starting an exciting adventure, or a career-defining business trip, travel is essential. Yet we've all experienced the ac ...

Automation Software Engineer

Overview At Anaplan, we are a team of innovators focused on optimizing business decision-making through our leading AI-infused scenario planning and analysis platform so our customers can outpace their competition and the market. What unites Anaplanners across teams and geographies is our c ...

LabVIEW Software Engineer

The right to work in the UK without sponsorship is essential for this position. An exciting opportunity for a LabVIEW Software Engineer has arisen with an innovative photonics company developing cutting‑edge optical fibre measurement instruments and components. This is an exciting o ...

Software Quality Engineer

Join to apply for the Software Quality Engineer role at DiverseJobsMatter Join to apply for the Software Quality Engineer role at DiverseJobsMatter Get AI-powered advice on this job and more exclusive features. This r ...

Staff Software Engineer

Build the future of computing today. A place where right now isn’t fast enough. Genuinely, an environment unlike any other, collaborative, innovative and passionate, people making things happen day in day out to be the very best. A place that wants to build from scratch rather than use something else. ...

Rust Software Engineer

Rusty hands, sounds bad right? Maybe you want to get your hands dirty with Rust. The Rust programming language is exciting, it provides security, scalability and suitability for building heavy applications. If you have used Rust you know this, and I'm sure you are keen to continue. If not, it ...

Software Automation Engineer

An environment where you would be encouraged to break things and then build them in a more robust fashion is the definition of progression in tech. Game changing projects, diving into the complex automation solutions that streamline the critical work of our clients Database team. Supporting a range ...

Java Software Engineer

Direct message the job poster from Infinity Quest Senior Recruitment consultant at Infinity Quest Hands on Java application design, software development and automated testing (Java 11 and higher). Intermediate knowledge of basic infrastructure technologies and comp ...

Simulation Software Engineer

Simulation Software Engineer Location: London Travel: Travel required several times per year (UK and international), sometimes at short notice and for up to 1 week Security: Must be eligible to obtain and maintain UK security clearance to at least SC level ...

Software Validation Engineer

Join a cutting-edge engineering environment as a Software Validation & Verification Engineer. Build robust V&V frameworks, test safety‑critical software and influence best practice on new products. Agile team, hands‑on role, long‑term progression and UK security clearance eligible. Software Valida ...

Embedded Software Engineer

Join to apply for the Embedded Software Engineer role at ALL.SPACE Join to apply for the Embedded Software Engineer role at ALL.SPACE Direct message the job poster from ALL.SPACE We hire those that seek to innovate ac ...

Embedded Software Engineer

Overview Embedded Software Engineer (C) — 6 month contract — Based in Stevenage Responsibilities Developing, integrating, and testing embedded software Producing test requirements & test scripts for Unit, Subsystem, and System level testing on both host and target pla ...

Communications Software Engineer

Join to apply for the Communications Software Engineer role at McLaren Applied 1 day ago Be among the first 25 applicants Join to apply for the Communications Software Engineer role at McLaren Applied Get AI-powered a ...

Software Engineer, Enterprise

Location London; Stockholm Employment Type Full time Location Type On-site Department Engineering TL;DR We're looking for an exceptional Fullstack Engineer to build the enterprise foundation of Lovable. You'll own the w ...

Frontend Software Engineer

We’re partnering exclusively with one of London’s most prestigious trading powerhouses to hire a standout Front-End Software Engineer — someone who lives and breathes elegant UI engineering and wants to build products that matter at millisecond scale. This is your chance to work at the co ...

Java Software Engineer

Job title: Mid-Level Software Engineer Client: Fintech Salary: Competitive Salary + Benefits Location: London The Role We’re currently supporting a well-established player wit ...

Kubernetes Software Engineer

Company Overview We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world‑class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas ...

Java Software Engineer

Location: Hybrid working in Central London Salary: up to £120,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s latest spinout company. Leveraging cutting‑edge techniques with the latest technologies, th ...

Software/Firmware Engineer

Job Title Software/Firmware Engineer Location Sandwich, Kent Contract Permanent Compensation Competitive Rate Overview Our Client seeks a skilled Software/Firmware Engineer to design, develop, and test embedded software and applicatio ...

Junior Software Engineer

This range is provided by Addition+. 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 Addition+ We are currently working on behalf of our trusted client who are looking for a J ...

Software Engineer (React)

Role: Software Developer (React) Client: Elite Technology Company Compensation: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Overview This firm is an elite technology company with exceptionally high standards, k ...

Data & Software Engineer

Data & Software Engineer | London | £50,000 to £60,000 We’re looking for a hands on Data & Software Engineer to join a growing Technology & Data team building internal tools, automation, and scalable systems that support core business operations. This is a new opportunity within the team, ...

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