Software Engineer C Python Java Defence Tech Jobs in UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Embedded Software Engineer

World Class Defence Organisation is currently looking to recruit a Embedded Software Engineer subcontractor on an initial 12 month contract. Not sure what skills you will need for this opportunity Simply read the full description below to get a complete picture of candidate requirements.Rate: £65.00 p ...

Maritime Autonomous Systems Lead Software Engineer

Stark Defence is seeking a Lead Software Engineer (Maritime) to lead the software development of autonomous sea systems. You will take ownership of building and mentoring a high-performing engineering team and integrating these systems into the Minerva platform. This role requires expert C++ skills, pr ...

Senior Software Engineer

Work on Technology That Protects What Matters At SiXworks , we build secure digital solutions that support Defence and National Security missions . Our teams work on complex problems where reliability, security, and speed of innovation matter. We’re looking for a Seni ...

C++ Software Engineer : Trading : £120 180k plus excellent bonus : London

We’re partnering with a top-tier quantitative trading firm to hire an experienced C++ Software Engineer to work on performance-critical trading and market data systems. This is a role for engineers who care deeply about latency, determinism, and correctness, and who want to build systems where microsec ...

C++ Software Engineer : Trading : £120 180k plus excellent bonus : London

We’re partnering with a top-tier quantitative trading firm to hire an experienced C++ Software Engineer to work on performance-critical trading and market data systems. This is a role for engineers who care deeply about latency, determinism, and correctness, and who want to build systems where microsec ...

C++ Software Engineer : Trading : £120 180k plus excellent bonus : London

We’re partnering with a top-tier quantitative trading firm to hire an experienced C++ Software Engineer to work on performance-critical trading and market data systems. This is a role for engineers who care deeply about latency, determinism, and correctness, and who want to build systems where microsec ...

C++ Software Engineer : Trading : £120 180k plus excellent bonus : London

We’re partnering with a top-tier quantitative trading firm to hire an experienced C++ Software Engineer to work on performance-critical trading and market data systems. This is a role for engineers who care deeply about latency, determinism, and correctness, and who want to build systems where microsec ...

C++ Software Engineer : Trading : £120 180k plus excellent bonus : London

We’re partnering with a top-tier quantitative trading firm to hire an experienced C++ Software Engineer to work on performance-critical trading and market data systems. This is a role for engineers who care deeply about latency, determinism, and correctness, and who want to build systems where micr ...

Senior Low Latency C++ Engineer

Director – Quant Fund Recruitment at NJF This role is a Senior Low Latency C++ Engineer position within a dominant high‑frequency trading firm's automated trading group. NJF Global Holdings Ltd provided pay range This range is provided by NJF Global Holdings Ltd. Your actual pay ...

Senior DevOps Engineer, Blink in Cambridge Amazon UK Services Ltd.

Senior DevOps Engineer, Blink Cambridge, United Kingdom Posted 11 months ago This is a job posted by our partner Jooble Amazon UK Services Ltd. Technologies and Tools DevOps Java Bash Linux Hardware <l ...

Full Stack Software Engineer

Overview Our professional services client is currently supporting a large cloud transformation initiative for a multinational FS organization. This is an enterprise-wide cloud-based programme and there is scope for more business units to consume the cloud services which are being implemented. ...

Software Engineer

Sapien Engineering are looking for a Software Engineer to join a defence business on a permanent basis. The role is paying circa £45,000 + benefits. Hybrid working is supported, 3 days a week is required on client site near Ramsgate, Kent. Job requirements: C# Embedde ...

Software Engineer

Sapien Engineering are looking for a Software Engineer to join a defence business on a permanent basis. The role is paying circa £45,000 + benefits. Hybrid working is supported, 3 days a week is required on client site near Ramsgate, Kent. Job Requirements C# < ...

Senior Backend Engineer

Senior Software Engineer (Python, Go OR Java) – Agentic & AI Systems (IC Role) Location - Manchester Working Pattern - Hybrid (2 days per week in office) We’re hiring Senior Software Engineers to join a new accelerator programme focused on building next‑generation, agentic sys ...

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 ...

DevOps Engineer

We are looking for a DevOps Engineer to help us build functional systems that improve customer experience. DevOps Engineer responsibilities include deploying product updates, identifying production issues and implementing integrations that meet customer needs. As a DevOps Engineer you need to ha ...

Embedded Software Engineer

Job DescriptionJoin our team as an Embedded Software Engineer and play a key role in developing cutting-edge embedded solutions for aviation and defence applications. You will work on STM32 microcontroller-based systems, designing, coding, and integrating software t ...

Remote Embedded Software Engineer for Factory IoT

A leading multinational engineering company in Milton Keynes seeks a Software Development Engineer to design and develop cutting-edge automation products. The ideal candidate will possess a degree in Electronics or related fields, with experience in C, C#, C++, Python, and Docker. Responsibilities include writin ...

Remote Embedded Software Engineer for Factory IoT

A leading multinational engineering company in Milton Keynes seeks a Software Development Engineer to design and develop cutting-edge automation products. The ideal candidate will possess a degree in Electronics or related fields, with experience in C, C#, C++, Python, and Docker. Responsibilities include writin ...

Software Development Engineer, Veeqo

DescriptionAs a Software Development Engineer at Veeqo, you will be designing and building the software to support our journey from recent acquisition to operating at Amazon scale. You will work closely with product managers, UX designers, as well as other tech teams across Amazon. This role is a good fit fo ...

Lead Backend Engineer (Node.js)

Hiring best in class techies for Enablis Who are we? Enablis is a technology delivery consultancy who partner with clients to accelerate digital roadmaps. By combining our deep knowledge and best practice experience with the client’s domain expertise, we are able to deliver tec ...

Software Engineer – Developer Excellence

A tech-focused market-maker with groundbreaking success in the high frequency trading space, my client is seeking a creative problem-solver to be their next Software Engineer in the Developer Excellence team.This is a critical, high-impact role, where your main focus is on developing tools, streamlinin ...

Member of Technical Staff, AI Networking MAI Superintelligence Team

**Overview** Microsoft AI is hiring a Member of Technical Staff, AI Networking to design and scale the world’s most advanced high-performance networks powering Copilot and next-generation AI systems. Join the team building the fabric that connects frontier-class datacenters, enables multi-gigawatt AI su ...

Senior UK Aerospace Defence Tech Sales Lead Remote

OMEGA, Inc. is seeking a Senior Account Manager for the Aerospace & Defence sector in the UK. This role involves leading sales activities, engaging with military and related customers, and delivering high-impact presentations on cutting-edge technology solutions. The ideal candidate will possess a Bach ...

Head of Supply Chain & Production for Defence Tech

Tekever Corporation is seeking a Head of Supply Chain to lead procurement and production scheduling across UK operations. The successful candidate will ensure efficient supply chain architecture for their unmanned aerial systems, balancing quality, cost, and compliance with UK defence standards. With significant ...

Platform Engineer (Mid Level)

Overview DevOpsUK specializes in helping businesses leverage the latest technologies to drive innovation and growth. With a team of experienced engineers and a track record of successful projects, we are seeking a talented Platform Engineer to join our team. Key Responsibilities < ...

Java Full Stack Engineer

Join to apply for the Java Full Stack Engineer role at Barclays UK Join our dynamic Technology team as a Java Fullstack Engineer AVP level, and be involved in shaping the future of financial crime prevention through the transformative Integrated Financial Crime Program. This multi ...

Java Full Stack Engineer

Join to apply for the Java Full Stack Engineer role at Barclays UK Join our dynamic Technology team as a Java Fullstack Engineer AVP level, and be involved in shaping the future of financial crime prevention through the transformative Integrated Financial Crime Program. This multi ...

Staff Software Engineer Big Data & AI Analytics

RUCKUS NETWORKS SINGAPORE PTE. LTD. is seeking a Staff Software Engineer to join their team in Singapore. This role involves designing and optimizing big data applications with responsibilities including building streaming and batch pipelines using Scala/Java/Python, deploying applications on Kubernetes, and imp ...

Senior Data Engineering SDE — Cloud & Microservices Lead

Capital One (Europe) plc is looking for a Senior Software Development Engineer to join their Nottingham team. In this role, you'll be part of the Win with Data team, responsible for designing and developing impactful software that enhances customer experiences in financial services. You'll work with technologies ...

Senior Software Engineer – Data Platforms for Quant Trading

G MASS Consulting is looking for an experienced Software Engineer in Greater London to join a leading Investment Manager on an initial 6-month engagement. The role involves designing, developing, and enhancing large-scale data and infrastructure platforms that support systematic trading and advanced research. Ca ...

Senior Data Engineering SDE — Cloud & Microservices Lead

Capital One (Europe) plc is looking for a Senior Software Development Engineer to join their Nottingham team. In this role, you'll be part of the Win with Data team, responsible for designing and developing impactful software that enhances customer experiences in financial services. You'll work with technologies ...

Senior Software Engineer – Data Platforms for Quant Trading

G MASS Consulting is looking for an experienced Software Engineer in Greater London to join a leading Investment Manager on an initial 6-month engagement. The role involves designing, developing, and enhancing large-scale data and infrastructure platforms that support systematic trading and advanced research. Ca ...

Senior Java Dev & Tech Lead Cloud Native Microservices

A dynamic technology company in Greater London is seeking a Senior Java Developer to lead the development of scalable, Java-based applications. The role involves architecture design, mentoring junior developers, and collaborating with cross-functional teams to deliver high-quality software solutions. With at lea ...

FX eTrading Java Architect — Senior Tech Leader (Hybrid)

An international bank is seeking a hands-on technical specialist for FX trading systems in London. The role involves designing and developing system architecture, enhancing deliverable quality, and collaborating with quant and trading teams. Candidates should have a strong understanding of FX, low-latency develo ...

London Onsite Fullstack Tech Lead | Java/React Architect

A tech company focused on digital delivery is searching for a Technical Lead - Fullstack to spearhead a complex modernization program. This hands-on role demands leadership in engineering and cloud-native architectures, with a strong emphasis on quality assurance and client-facing delivery. Candidates should pos ...

London Onsite Fullstack Tech Lead | Java/React Architect

A leading tech company in London is looking for a Technical Lead - Fullstack to guide complex software modernization projects. This hands-on role will involve engineering leadership, quality assurance, and cloud architecture expertise. The successful candidate will have experience in a full stack environment, fo ...

Senior Java Developer & Full Stack Tech Lead Hybrid

Remotestar, a leading fintech company based in Greater London, seeks an experienced Full Stack Developer. The ideal candidate will have over 10 years of Java and Spring expertise, proven leadership experience, and a strong background in both back-end and front-end technologies, including Typescript. The role off ...

FX Risk Tech Lead (Java) Hybrid, VP Level

A global financial institution is seeking a strong and motivated FX Risk Lead Java Developer to join their London team. The successful candidate will design and develop Java-based microservices for a new FX Risk valuation platform. Candidates should have a strong background in Core Java, multithreading, and expe ...

FX Risk Java Tech Lead — Real Time Pricing

A major global banking institution is seeking an FX Risk Lead Java Developer to design and develop Java-based microservices for high-throughput applications. This role requires hands-on experience with Core Java, multithreading, and cloud deployment, particularly in environments like AWS or Azure. Benefits inclu ...

Java/Kotlin AVP, Prime Brokerage Tech — Hybrid Role

A leading global financial institution in Greater London seeks an experienced developer to engineer solutions within Prime Brokerage Technology. This role focuses on Java and Kotlin components, contributing to CI/CD practices and collaborating with stakeholders. The ideal candidate has a proven App Dev backgroun ...

Full Stack Tech Lead (Java/React) – London Onsite

hackajob is seeking a Technical Lead - Fullstack to lead a modernization program in London. This role requires experience in full stack development (Java, React), cloud technologies (Azure, Google Cloud), and excellent leadership skills. Responsibilities include guiding technical projects, ensuring quality and s ...

Backend Tech Lead Java Microservices, Hybrid (SC Eligible)

Amber Labs is seeking a Lead Software Developer in Manchester, UK for a 12-month Fixed Term Contract. This hands-on leadership role focuses on backend development, particularly using Java and microservices. The candidate will lead design efforts and mentor engineers while collaborating across various teams. Bene ...

Java/Scala Developer for Trading Tech, Open Culture

Quant is urgently looking for a Java/Scala developer to join our high-profile client. Our client is a well-known algorithmic trading broker based in central London. The environment is similar to that of Facebook or Google—relaxed, open, with a focus on quality work. Job Responsibilities and ...

FX Risk Java Tech Lead — Real Time Pricing

A major global banking institution is seeking an FX Risk Lead Java Developer to design and develop Java-based microservices for high-throughput applications. This role requires hands-on experience with Core Java, multithreading, and cloud deployment, particularly in environments like AWS or Azure. Benefits inclu ...

Java/Kotlin AVP, Prime Brokerage Tech — Hybrid Role

A leading global financial institution in Greater London seeks an experienced developer to engineer solutions within Prime Brokerage Technology. This role focuses on Java and Kotlin components, contributing to CI/CD practices and collaborating with stakeholders. The ideal candidate has a proven App Dev backgroun ...

Senior Java Developer & Full Stack Tech Lead Hybrid

Remotestar, a leading fintech company based in Greater London, seeks an experienced Full Stack Developer. The ideal candidate will have over 10 years of Java and Spring expertise, proven leadership experience, and a strong background in both back-end and front-end technologies, including Typescript. The role off ...

FX Risk Tech Lead (Java) Hybrid, VP Level

A global financial institution is seeking a strong and motivated FX Risk Lead Java Developer to join their London team. The successful candidate will design and develop Java-based microservices for a new FX Risk valuation platform. Candidates should have a strong background in Core Java, multithreading, and expe ...

FX eTrading Java Architect — Senior Tech Leader (Hybrid)

An international bank is seeking a hands-on technical specialist for FX trading systems in London. The role involves designing and developing system architecture, enhancing deliverable quality, and collaborating with quant and trading teams. Candidates should have a strong understanding of FX, low-latency develo ...

Senior Java Dev & Tech Lead Cloud Native Microservices

A dynamic technology company in Greater London is seeking a Senior Java Developer to lead the development of scalable, Java-based applications. The role involves architecture design, mentoring junior developers, and collaborating with cross-functional teams to deliver high-quality software solutions. With at lea ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

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