Software Engineer C Python Java Defence Tech Jobs in UK

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Software Engineer, Full Stack Applications Ratings Technology

Software Engineer, Full-Stack Applications – Ratings TechnologyLocation: ManchesterFitch Ratings is seeking a Software Engineer to join our global Ratings Technology team in Manchester. You'll build and maintain mission-critical full-stack applications that power how a w ...

Software Engineer, Full Stack Applications Ratings Technology

Software Engineer, Full-Stack Applications – Ratings TechnologyLocation: ManchesterFitch Ratings is seeking a Software Engineer to join our global Ratings Technology team in Manchester. You'll build and maintain mission-critical full-stack applications that power how a w ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Lead Data Engineer

Join to apply for the Lead Data Engineer role at UK Home Office Join to apply for the Lead Data Engineer role at UK Home Office Direct message the job poster from UK Home Office Lead Technical Recruiter (Cyber Securi ...

Senior Embedded Engineer

Embedded Software Engineer | UK (Hybrid) In order to make an application, simply read through the following job description and make sure to attach relevant documents.My client is an innovative technology company developing advanced hardware and networking solutions for high-performance ...

Software Engineer Consultant (Public Safety)

Daintta are a rapidly growing, values-driven consultancy delivering mission-critical data, technology, and engineering solutions across the UK public sector. We partner with clients in Defence, National Security, Law Enforcement, and wider Government to strengthen the UK's resilience and operational adva ...

Software Engineer Consultant (Public Safety)

Daintta are a rapidly growing, values-driven consultancy delivering mission-critical data, technology, and engineering solutions across the UK public sector. We partner with clients in Defence, National Security, Law Enforcement, and wider Government to strengthen the UK's resilience and operational adva ...

Integration Engineer

Technical Integration Engineer | circa £50k + EMEA Travel UK-based | British Citizenship Required | Cutting-edge tech + complex customer environments Is your CV ready If so, and you are confident this is the role for you, make sure to apply asap.If you’re a hand ...

Backend Software Engineer

Software Engineer – Java 21, SpringbootUp to £550 per day (Inside IR35)London / Remote6 monthsMy client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservi ...

Backend Software Engineer

Software Engineer – Java 21, SpringbootUp to £550 per day (Inside IR35)London / Remote6 monthsMy client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservi ...

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 ...

Uber Tech Lead, Critical Systems

Uber Tech Lead, Critical Systems _corporate_fare_ Google _place_ London, UK **Advanced** Experience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders; deep expertise in domain. **Minimum qualifications:** + Bachelor's degree ...

Mechanical Commissioning Engineer – Defence (Reading)

Carrington West is seeking an experienced Commissioning Engineer with a mechanical bias for a major defence project near Reading. This mid-level role involves commissioning, testing, and validation of mechanical systems in a highly regulated environment. Ideal candidates will have proven experience in relevant i ...

Mechanical Project Engineer Defence Infrastructure

A leading construction firm is seeking experienced Mechanical Project Engineers for a major UK defence infrastructure programme. This role involves the delivery and installation of mechanical building services, managing subcontractors, and ensuring effective communication with the project team. Candidates should ...

Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid)

Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid) Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid) Get AI-powered advice on this job and more exclusive features. This range is provided by Hunter Bond. Your actual pay will be b ...

Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid)

Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid) Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid) Get AI-powered advice on this job and more exclusive features. This range is provided by Hunter Bond. Your actual pay will be b ...

Senior FPGA Engineer

An opportunity to join a specialist engineering team building low‑power FPGA solutions used in demanding real‑world environments. Although the core of the work is FPGA module development, there are opportunities to work on software or broader electronics IF you have a broader skillset, but i ...

Senior Full Stack Engineer – Greenfield AI Platform, London

A disruptive tech startup in London is seeking a Senior Full-Stack Software Engineer to take ownership of their technical foundation. This greenfield role offers the chance to build a customer-facing platform and establish engineering standards. Candidates should have over 5 years of experience with modern web a ...

London Full Stack Engineer: End to End Ownership

A tech startup in Greater London is seeking a Full-Stack Engineer to join their small team. The ideal candidate will own the delivery of product features, write backend logic, and build user interfaces using React. The position requires 3-5 years of experience in software development and a strong proficiency in ...

Principal DevOps Engineer: CI/CD & Internal Tools

A global travel technology company in Greater London is looking for an experienced DevOps Engineer with over 10 years of experience in Software Engineering. This role involves maintaining CI/CD best practices, automating security testing, and developing internal tools to enhance development efficiency. Ideal can ...

Senior Frontend Product Engineer — Climate Tech (Equity)

A climate-tech startup in Greater London is seeking a talented Senior Product Engineer to drive the frontend architecture for innovative software products. You'll own complex features and ensure high-quality user experiences. Ideal candidates have significant experience with React/Next.js and Python. The role al ...

Lead Edge AI Engineer for Climate Impact Automation

A climate technology firm located in the UK is looking for a Lead Engineer to join their platform team. This role involves leading the design of edge software systems for heavy industry focusing on reducing carbon emissions. Candidates should have expertise in Python and plant automation, along with a willingnes ...

Robotics Tooling Engineer – Python/Go on Linux (Onsite)

A tech recruitment agency is seeking a Software Engineer to take ownership of tooling for robot commissioning and servicing at their partner company. The ideal candidate will have proficiency in Python and/or Go, experience with Linux systems, and a strong understanding of internal tooling practices. This role i ...

Senior Full Stack Engineer – Greenfield AI Platform, London

A disruptive tech startup in London is seeking a Senior Full-Stack Software Engineer to take ownership of their technical foundation. This greenfield role offers the chance to build a customer-facing platform and establish engineering standards. Candidates should have over 5 years of experience with modern web a ...

Production AI Engineer (Python/TypeScript) Hybrid

Oliver Bernard is seeking an AI Engineer to join a high-growth tech business focused on AI automation and internal tooling. In this role, you’ll work on AI-powered internal products and automation platforms, building LLM applications and improving operational efficiency at scale. Candidates should have strong so ...

Remote Python Engineer for AI Driven Autonomous Systems

trg.recruitment is looking for a Python Software Engineer to design and build intelligent autonomous systems for a well-funded startup in London. The role offers 4+ years experience in product development and a strong focus on AI technologies, offering competitive salary and equity. Enjoy a fully remote position ...

Senior Frontend Product Engineer — Climate Tech (Equity)

A climate-tech startup in Greater London is seeking a talented Senior Product Engineer to drive the frontend architecture for innovative software products. You'll own complex features and ensure high-quality user experiences. Ideal candidates have significant experience with React/Next.js and Python. The role al ...

Hybrid Java Engineering Lead – High Performance Security

CloudCo Solutions Ltd is seeking a Java Developer to take the lead on projects and develop high-quality software solutions. The role requires experience in designing secure Java solutions in complex environments and a commitment to engineering best practices. This position offers hybrid working, requiring at lea ...

Software Engineer – Equity Derivatives Pricing & Risk System.

Software Engineer – Equity Derivatives Pricing & Risk SystemWe are seeking a highly skilled and motivated Java Developer with a strong background in Equity Derivatives to join our team in London. In this role, you will play a pivotal part in building and enhancing Equity Volatility Risk and P&L system that su ...

Software Engineer – Equity Derivatives Pricing & Risk System.

Software Engineer – Equity Derivatives Pricing & Risk SystemWe are seeking a highly skilled and motivated Java Developer with a strong background in Equity Derivatives to join our team in London. In this role, you will play a pivotal part in building and enhancing Equity Volatility Risk and P&L system that su ...

Senior Software Engineer

Senior Software Engineer | London | Hybrid | Tech for Good Location: London (hybrid) Salary: £80,000 to £95,000 + equity + benefits Do you have the following skills, experience and drive to succeed in this role Find out below.< ...

Full Stack Web Developer in Nottingham Unitemps

Job Requirements The job requires a Full Stack Developer or similar. Strong proficiency in front-end technologies, including HTML5, CSS3, JavaScript. Experience with a modern JavaScript framework (e.g., React, Angular, Vue.js). Solid understanding of back-end development lan ...

VP Quant Trader, Commodities: Algorithmic Trading

A global financial institution in Greater London seeks an Algorithmic Trading Quantitative Analyst (VP) for its Commodities team. The role involves designing and optimizing electronic market-making models. Candidates must have systematic trading experience, a strong programming background in Java/C++ and Python, ...

Senior Backend Architect (Remote) Multitenant

A dynamic technology education provider in the United Kingdom is searching for a skilled developer to join their remote team. The ideal candidate will have deep expertise in multitenancy and experience with statically typed languages such as C#, Java, or Kotlin. A strong willingness to learn Python and mastery o ...

Applied Scientist: Freight Network Optimization & ML

Amazon is seeking an Applied Scientist in Greater London to build machine learning and optimization models for transportation planning. You will create scalable products, conduct experiments, and present findings to leadership. Essential qualifications include experience with programming languages like Java, C++ ...

Senior Firmware Engineer

Senior Firmware Engineer | £60-70k | NorfolkJoin an innovative technology company dedicated to developing cutting-edge power systems, motors, and motor controllers across diverse market sectors. We are looking for an integral member of the Engineering Team to deliver robust firmware and software solution ...

Software Engineer, Sustaining Engineering

Software Engineer, Sustaining Engineering Join to apply for the Software Engineer, Sustaining Engineering role at Canonical Software Engineer, Sustaining Engineering Join to apply for the Software Engineer, Sustaining Engineering r ...

Data Science Consultant (Defence & National Security)

Location: England Job Type: Permanent Industry: Digital Workspace Job reference: BBBH439366_1779369554 Posted: about 3 hours ago Our client, a growing tech organisation, urgently require a Data Science Consultant to join their Defence & National Security team.In order to be successful, you will have th ...

Data Science Consultant (Defence & National Security)

Location: England Job Type: Permanent Industry: Digital Workspace Job reference: BBBH439366_1779369554 Posted: about 3 hours ago Our client, a growing tech organisation, urgently require a Data Science Consultant to join their Defence & National Security team.In order to be successful, you will have th ...

Java Full Stack Developer

Job description Senior Java Full Stack DeveloperLocation: London (Hybrid – minimum 3 days onsite)Contract: 6 months Rate: Market rate (Inside IR35)The RoleWe are looking for a Senior Java Full Stack Developer ...

Java Full Stack Developer

Job description Senior Java Full Stack DeveloperLocation: London (Hybrid – minimum 3 days onsite)Contract: 6 months Rate: Market rate (Inside IR35)The RoleWe are looking for a Senior Java Full Stack Developer ...

Senior Software Engineer

Senior Software EngineerHybrid WorkingAre you an experienced Software Engineer looking to work on cutting-edge technology? Do you enjoy problem solving, customer interactions and developing real-world solutions?The Role:We are looking for a Senior Software Engineer to play a key r ...

Graduate Platform Engineer Growth

Overview We’re LiveFlow - one of the fastest-growing fintech startups in the world. Backed by Y Combinator and $21M from top-tier investors including YC, YC Continuity, Valar, Seedcamp, WndrCo, Moonfire, and Bradley Horowitz (VP Product at Google), we’re building the next-generation platform that ...

C++/C# GAME PROGRAMMER

Job Description : Job Requirements : • Maitrise pratique du moteur Unity et du C#• Solides compétences en programmation orientée objet• Connaissance du fonctionnement des ECS et du Job System• Bonnes pratiques de workflow : Git, Gitlab, CI/CD, tests unitaires ...

C/C++ Core Systems

Salary: £200k + bonusSummary Not your traditional HFT firm, this company takes a scientific approach to trading financial products. They’re looking for a modern C++ engineer to help drive their expansion into the EU, US and APAC markets. A community of self-starters from mu ...

C/C++ Core Systems

Salary: £200k + bonusSummary Not your traditional HFT firm, this company takes a scientific approach to trading financial products. They’re looking for a modern C++ engineer to help drive their expansion into the EU, US and APAC markets. A community of self-starters from mu ...

C++/C# GAME PROGRAMMER

Job Description : Job Requirements : • Maitrise pratique du moteur Unity et du C#• Solides compétences en programmation orientée objet• Connaissance du fonctionnement des ECS et du Job System• Bonnes pratiques de workflow : Git, Gitlab, CI/CD, tests unitaires ...

High Impact Java Backend Engineer

A leading technology company in the UK is seeking a Software Engineer to design and develop backend services and APIs for high-availability payment processing systems. The ideal candidate will have 3-5 years of experience in software engineering with strong skills in Spring Boot and RESTful API design. This role ...

Java Engineer, Aladdin Engineering, Associate

**About this role** At BlackRock, technology is the foundation of our business. As a Associate, Java Back-End Engineer, you’ll lead by example — architecting, coding, and mentoring teams to build resilient systems that power our global post-trade operations. You’ll design and deliver enterprise-scale so ...

Data Security Backend Engineer Java

**_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 global markets, we bu ...

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    Software Engineer C Python Java Defence Tech Jobs in United Kingdom Job Search Guide, Trends and Insights