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

Remote C++ Exchange Engineer Low Latency Trading

A leading crypto company is seeking a skilled software engineer to join their remote Exchange team. The role involves developing and maintaining key components of the trading engine using C++, Python, and related technologies. Candidates should have strong experience in distributed systems and a background in cr ...

Software Engineer Yocto/Linux

We are seeking an experienced Embedded Linux/Software Engineer to join our Platform team (folks looking after the spacecraft). The successful candidate will play a crucial role in developing software for our satellite systems, contributing to the expansion and enhancement of our space-based data collection ...

Senior Software Engineer — Real Time Robotics (Embedded)

Tritanium Space, Defence & Technology Ltd. is seeking a Senior Software Engineer based in Southampton. This role involves developing real-time control systems, collaborating with engineering teams, and contributing to robotic operations and mission-critical technology. The ideal candidate holds a degree in Compu ...

Senior Software Engineer (Pensions, ISAs & Investments)

Senior Software Engineer (Pensions, ISAs & Investments) Join to apply for the Senior Software Engineer (Pensions, ISAs & Investments) role at TieTalent Senior Software Engineer (Pensions, ISAs & Investments) 1 day ago Be among the first 25 applicant ...

Senior Software Engineer, Agentic Infrastructure, GBO Engineering

Senior Software Engineer, Agentic Infrastructure, GBO Engineering London, UK Mid Experience driving progress, solving problems, and mentoring more junior team members; deeper expertise and applied knowledge within relevant area. Apply Bachelor’s degree or e ...

Lead Developer

Lead Java Developer Business Unit: FTSE Russell – Index Platform Company: London Stock Exchange Group (LSEG) We are seeking a highly skilled and hands‑on Lead Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This plat ...

Senior Backend Developer

Overview At TripleTen, we’re creating innovative learning products that empower people to master IT professions like software engineering, data science, business intelligence, and QA — no matter their prior experience. Our AI-driven and thoughtfully designed platform helps students build real ski ...

Backend Developer

Job Description We are seeking a skilled Backend Developer with strong hands‑on experience in Python and/or Java to design, develop, and maintain scalable backend services and APIs. The ideal candidate will have experience building robust backend systems, integrating with databases and ex ...

Automation Apprentice: PLC/SCADA & Test Automation

Pearl Control Systems Ltd is seeking an Automation Apprentice to join their Development Programme in Peterborough. This role offers opportunities in PLC and SCADA systems, machine learning, and customer support. Responsibilities include design and implementation of HMI interfaces, collaborating with en ...

Java Low Latency Systems Engineer (London)

WorksHub is seeking a Java Low-Level/Low Latency Engineer in London, United Kingdom. The ideal applicant will possess a deep understanding of systems-level programming with proficiency in Java, Rust, C, or C++. Experience with manual memory management, concurrency, and multithreading is essential. This full-time ...

Principal Software Engineer

Embedded Software Engineer | Medical Devices | Linux + C++ | Hybrid (3 Days Onsite) Planet Pharma are looking for a highly skilled Embedded Software Engineer to join an innovative team developing next-generation medical and computing devices used in hospital operating rooms. This is a h ...

Principal Software Engineer (Fully Remote)

Embedded Software Engineer | Medical Devices | Linux + C++ | Hybrid (3 Days Onsite)Planet Pharma are looking for a highly skilled Embedded Software Engineer to join an innovative team developing next-generation medical and computing devices used in hospital operating rooms. This is a hand ...

REMOTE PRINCIPAL SOFTWARE ENGINEER

Embedded Software Engineer | Medical Devices | Linux + C++ | Hybrid (3 Days Onsite)Planet Pharma are looking for a highly skilled Embedded Software Engineer to join an innovative team developing next-generation medical and computing devices used in hospital operating rooms. This is a hand ...

Principal Software Engineer Remote

Embedded Software Engineer | Medical Devices | Linux + C++ | Hybrid (3 Days Onsite)Planet Pharma are looking for a highly skilled Embedded Software Engineer to join an innovative team developing next-generation medical and computing devices used in hospital operating rooms. This is a hand ...

Software Principal Engineer Remote

Embedded Software Engineer | Medical Devices | Linux + C++ | Hybrid (3 Days Onsite)Planet Pharma are looking for a highly skilled Embedded Software Engineer to join an innovative team developing next-generation medical and computing devices used in hospital operating rooms. This is a hand ...

Principal Software Engineer Web

Embedded Software Engineer | Medical Devices | Linux + C++ | Hybrid (3 Days Onsite)Planet Pharma are looking for a highly skilled Embedded Software Engineer to join an innovative team developing next-generation medical and computing devices used in hospital operating rooms. This is a hand ...

Leo Cancer Care: Software Engineer Embedded Firmware Level I/II

Position Title: Software Engineer Embedded Firmware Reports to: Senior Manager Global Software Engineering Type: Full-time, Hybrid (office 3 days week) Location: Crawley, UK Office Position Summary: Leo Cancer Care is seeking a talented and motivated Software Engineer to sup ...

Software Developer

Software Developer (16435) Newcastle upon Tyne, England Job Description Core‑Asset Consulting is partnering with a leading technology-focused investment firm to recruit a Software Developer for their Newcastle team. This is an exciting opportunity to join a collaborative and int ...

Software Developer

Overview We’re working with a hi-tech simulation/ data-analytics company which services the defence and security market. They are looking to expand their in-house software engineering capability with the addition of a Full Stack Software Developer. This mid-level role suits developers with ...

Senior Java Developer – 70K

Senior Java Developer – 70K Location: East Midlands Industry: IT Salary: £60,000 - £70,000 per annum + Pension, Health, Gym Posted: 27/08/2024 Description Senior Java Developer, Java Software Engineer, Java 17, Spring ...

Senior Java Developer – 70K

Senior Java Developer – 70K Location: West Midlands Industry: IT Salary: £60,000 - £70,000 per annum + Pension, Health, Gym Posted: 27/08/2024 Description Senior Java Developer, Java Software Engineer, Java 17, ...

Senior Software Engineer

I’m currently working with a well-established global engineering company who are looking for a Senior Software Engineer to join their growing team in Enfield. The business has been operating for decades and develops advanced technology solutions across industries such as maritime, defence and surve ...

Principal Embedded Software Engineer

Principal Embedded Software Engineer Location: Fareham, Hampshire (Hybrid working available) Salary: £70,000 – £80,000 Job Type: Full-time, Permanent Visa Sponsorship Available An advanced technology company based in Fareham, Hampshire is looking to recruit a Principal Embedded Software E ...

Senior Software Engineer

Senior Software Engineer - C++We're looking for a talented Senior Software Engineer to take technical ownership of software designs from early specification through to fully verified delivery. This is a senior, hands‑on role for someone who enjoys building high‑quality software, mentoring others, and inf ...

Senior Software Engineer

Senior Software Engineer – C++ We’re looking for a talented Senior Software Engineer to take technical ownership of software designs from early specification through to fully verified delivery. This is a senior, hands‑on role for someone who enjoys building high‑quality software, mentoring others, and ...

Embedded Software Engineer

Embedded Software Engineer (C++/Rust) – CrawleyYT Tech are currently on the lookout for an embedded software engineer / developer for a client in Crawley.This is a pivotal role in their transition toward a modern, safety-first software stack, where you will have significant influence over the fut ...

Mechatronic Software Engineer

Express Recruitment are excited to be working in partnership with a well-established SME, specialising in high-tech innovation services on behalf of a blue-chip client base across diverse industry sectors, from Aerospace to Automotive. Due to continued organic growth and a healthy project pipeline, ...

Java Developers (all levels)

Position Description: At CGI, we’re shaping the future of digital UK Government solutions, building secure, high-impact platforms that improve services for millions across the UK. As a Java Engineer, you’ll play a pivotal role in designing and developing scalable, resilient back-end syste ...

Java Developers (all levels)

Position Description: At CGI, we’re shaping the future of digital UK Government solutions, building secure, high-impact platforms that improve services for millions across the UK. As a Java Engineer, you’ll play a pivotal role in designing and developing scalable, resilient back-end syste ...

Senior Embedded Engineer

Super new opportunity for a motivated Senior Embedded Engineer to join an established team and take on responsibility. I am seeking a Senior Embedded Engineer with 3-10 yrs low level embedded C/C++ development expertise with a solid understanding of electronics and a good knowledge of modern software practices. ...

Senior Embedded Engineer

Super new opportunity for a motivated Senior Embedded Engineer to join an established team and take on responsibility. I am seeking a Senior Embedded Engineer with 3-10 yrs low level embedded C/C++ development expertise with a solid understanding of electronics and a good knowledge of modern software practices. ...

Hardware Engineer

After a bright start to your career have you reached the limits of what your company can offer you? Maybe you’ve completed a graduate scheme but the department you’ve been assigned to doesn’t excite you? Or perhaps you just need a change?This agile company is looking for top hardware and electronics ta ...

Hardware Engineer

After a bright start to your career have you reached the limits of what your company can offer you? Maybe you’ve completed a graduate scheme but the department you’ve been assigned to doesn’t excite you? Or perhaps you just need a change?This agile company is looking for top hardware and electronics ta ...

Lead Control Systems Engineer – High Tech Manufacturing

A leading engineering recruitment firm in Oxford is seeking a Senior Control System Engineer to tackle high-tech challenges in software development interfacing with cutting-edge hardware. You will lead desktop software projects using C#/.NET, focusing on communication protocols, enriching your skills in advanced ...

Cloud Native Tech Lead: Architecture, Mentorship & Delivery

A leading technology firm in Greater London is seeking a Software Engineer / Tech Lead to drive the architecture and delivery of scalable cloud-native solutions. The role involves mentoring teams and championing secure software development practices. Candidates should possess strong experience with C#/.NET, Azur ...

Lead Embedded Software Engineer – Automotive Systems

Chevalier Tech Limited, located in Colindale, Greater London, is seeking a Senior Embedded Software Engineer. You will lead a team in developing and implementing embedded software solutions for automotive products. The ideal candidate will have a minimum of 8 years in embedded systems, extensive C programming sk ...

C# Developer – Games Technology

C# Software Developer, Mid & Senior level, C++ Software Engineer, 3D Graphics, CAD, Games, Maths, Physics, DotNet, C#, .Net, .Net Core, SQL Server, T-SQL, DDD, AWS, MVVM/MVC, OpenGL / DirectX – Global Software House – up to 70K Exciting global software house producing innovative cloud tech is continuin ...

Embedded Software Team Lead

Embedded Software Team Lead Based in Stevenage Salary up to £70,000 + 21% bonus + strong pension This role sits at the centre of embedded software delivery, leading a team developing real‑time software that powers advanced systems. You will combine technical lead ...

Staff Software Engineer, Generative AI, Applied Innovation Factory

Staff Software Engineer, Generative AI, Applied Innovation FactoryLondon, UKQualificationsBachelor’s degree or equivalent practical experience.8 years of experience in software development and with data structures/algorithms in either C, C++, Pyt ...

Staff Software Engineer, Generative AI, Applied Innovation Factory

Staff Software Engineer, Generative AI, Applied Innovation FactoryLondon, UKQualificationsBachelor’s degree or equivalent practical experience.8 years of experience in software development and with data structures/algorithms in either C, C++, Pyt ...

Production Support Engineer (C++)

C++ Production Support Engineer – Treasury Platform SupportWe are seeking a hands-on C++ Production Support Engineer to support and enhance a legacy Treasury platform (LPS) within Client. The role involves a blend of technical remediation on a mature C++ application and ongoing production support across ...

Senior C++ Engineer (Modelling)

Overview Are you excited about modern C++ and CPU architecture, driven by impact, and enjoy collaborating with others to achieve shared high‑reaching goals? If so, we would love to have you on our team! Our Fast Models products enable developers around the world to write and validate soft ...

I&C Engineer III

Holtec International, a global turnkey supplier of equipment and systems for the nuclear, solar, geothermal and fossil power generation sectors of the energy industry, is seeking to add an Electrical Engineer to their SMR-300 engineering team. The Electrical Engineer is responsible for the design a ...

Electronics Engineer C&M

Our client, a partner of the UK’s Ministry of Defence, is seeking an experienced Electronics Engineer to join their Calibration & Maintenance Team. The role involves servicing Electrical and Electronic Test Equipment, including Special to Type Test Equipment (STTE). Responsibilities include fault finding a ...

C++ Engineer Platform Engineering

Job Title C++ Engineer - Platform Engineering at Spotify Overview The CI Experience squad owns the client continuous integration (CI) infrastructure at Spotify. Our mission is to ensure smooth, reliable, and fast integration of code changes across all client repositories. We pro ...

Senior C&I Engineer

Join to apply for the Senior C&I Engineer role at UK Atomic Energy Authority By 2050, the planet could be using twice as much electricity compared to today. Are you interested in contributing and helping to shape the future of the world’s energy? If so, read on. Fusion, the pr ...

C++ Engineer – GPU Acceleration

C++ Engineer – GPU Acceleration Department: Vicon Software Development Employment Type: Permanent - Full Time Location: Yarnton, Oxfordshire Reporting To: Nick Bullock Description Are you interested in working on products a ...

Senior C&I Engineer

NES Fircroft are partnering with our major Engineering & Services client to provide Senior Control and Instrument Engineers for a long-term Nuclear projects in Warrington. Hybrid working available, two days per week in the Warrington office. 3-year contract duration. Senior Engineer on a Sellafield Pro ...

High Performance C++ Engineer

A technology company in the United Kingdom is seeking an experienced C++ Developer to join their software engineering team. This role involves designing and developing high-performance applications, debugging, optimizing existing solutions, and collaborating with cross-functional teams. The ideal candidate will ...

🚀 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