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

Senior Software Engineer Risk Technology

Senior Software Engineer - Risk TechnologyJob LocationLondonEmployment typeRegularDepartmentTechnologyTargeted Start DateImmediateDRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in mark ...

Quantitative Developer 3 + Years HFT Experience in London Queueco

Quantitative Developer - 3 + Years HFT Experience London, United Kingdom Posted about 1 year ago Tech stack Quantitative C Java low latency gaming ...learner excited to compete in the markets. Over your career ...

Senior Python Developer – Hybrid, Cloud & Microservices

CAPGEMINI is seeking a Senior Python Developer in Greater London. In this role, you will contribute to the software development lifecycle by developing clean and efficient code, integrating systems, and ensuring software quality through testing and CI/CD practices. Ideal candidates will have strong experience in ...

Manager, Sales Engineering

Role Overview Checkout.com is looking for an enthusiastic and talented Sales Engineer to join our fast‑growing team in London to support our clients with integrating our revolutionary online payments platform. This is a mid‑level position, and the successful candidate will be responsible ...

Senior Embedded Engineer

Embedded Software Engineer | UK (Hybrid) My client is an innovative technology company developing advanced hardware and networking solutions for high-performance computing environments. They’re looking for Software Engineers to build embedded and host software for high-speed systems, workin ...

Test Engineer

Skilled Test Engineer now required on the South Coast to join a well established company supporting system level testing for new scientific product development. Suitable candidates will be well qualified with 3-5 yrs testing expertise and the following skills: Proficiency in C/C++/Python ...

Senior Software Engineer

An exciting new role with a multinational underwater engineering provider, serving the commercial and defence markets to provide software engineering design solutions and through life engineering support to the commercial & defence product ranges working as the technical lead for the software engineering t ...

Cloud Engineers

Position Description: At CGI, we deliver secure, mission-critical systems that keep the nation safe while enabling innovation across some of the UK’s most vital sectors. As a Cloud Engineer, you will design, build, and manage cutting-edge cloud platforms, applying your expertise to delive ...

Cloud Engineers

Position Description: At CGI, we deliver secure, mission-critical systems that keep the nation safe while enabling innovation across some of the UK’s most vital sectors. As a Cloud Engineer, you will design, build, and manage cutting-edge cloud platforms, applying your expertise to delive ...

Senior Software Engineer

Senior Backend Engineer – Python/Django | Climate Tech Scale-Up | Central Londonc.£85-95k Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. They’ve built a platfor ...

Senior Software Engineer

Senior Backend Engineer – Python/Django | Climate Tech Scale-Up | Central Londonc.£85-95k Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. They’ve built a platfor ...

Python Developer

Overview Stott and May are supporting a global financial markets firm who are looking for a Python Software Engineer to join its high-performing development team, working on critical systems for one of Europe’s largest equities exchanges. The role combines hands-on coding with R&D, operational sup ...

Hybrid Tech Executive Search Partner | C Suite & Board

A leading executive search firm in Greater London is seeking a Partner for their Technology Practice. The role involves partnering with clients, driving executive search for c-suite and board appointments, and contributing to strategic plans. A strong track record in the Technology sector is required, along with ...

Hybrid Tech Executive Search Partner | C Suite & Board

A leading executive search firm in Greater London is seeking a Partner for their Technology Practice. The role involves partnering with clients, driving executive search for c-suite and board appointments, and contributing to strategic plans. A strong track record in the Technology sector is required, along with ...

Guidewire Tech Architect: P&C Cloud & On Prem

Energy Jobline ZR is seeking a Guidewire Technical Architect for a 6-month rolling contract in London. The role demands extensive experience with Guidewire products, relevant client coordination skills, and the ability to lead project proposals. Ideal candidates will have over 14 years of experience in the indus ...

Senior .NET/C# Developer — Remote, Agile, Enterprise Tech

A leading software house is seeking a .NET Developer to work on enterprise level .NET/C# projects in Welwyn Garden City. You will gain exposure to cutting-edge technologies while working in an Agile environment alongside skilled professionals. Applicants should have experience with .NET, C#, and Azure SQL, with ...

Junior C++/Qt Developer — Grow with Retail Tech

South 11 in Manchester is looking for a Junior C++ Developer to join their Retail Technology Team. The ideal candidate will have experience with C++ 20 or later and will contribute to the development of customer-facing applications. This role offers a competitive salary ranging from £25,000 to £35,000, along wit ...

Enterprise Account Executive — UK, Tech, C‑Suite Growth

A global leader in business insights and technology solutions is seeking a Senior Account Executive in Egham, UK. This field-based role involves account management, client retention, and growth through new product introductions. Candidates should have 8-15 years of consultative sales experience, strong client re ...

Hybrid Tech Executive Search Partner | C Suite & Board

A leading executive search firm in Greater London is seeking a Partner for their Technology Practice. The role involves partnering with clients, driving executive search for c-suite and board appointments, and contributing to strategic plans. A strong track record in the Technology sector is required, along with ...

Tech Exec Search: Associate Director, London – C Suite

A leading executive search firm is seeking an Associate Director to join their Technology practice in London. The role involves supporting the Partner in delivering mandates and developing relationships within the tech sector. Ideal candidates should have a professional background in retained search, preferably ...

Hybrid Tech Executive Search Partner | C Suite & Board

A leading executive search firm in Greater London is seeking a Partner for their Technology Practice. The role involves partnering with clients, driving executive search for c-suite and board appointments, and contributing to strategic plans. A strong track record in the Technology sector is required, along with ...

eDV Cleared Back End Developer

Lead Principal Consultant - National Security & Defence iO Associates are working closely with a leading Defence & National Security supplier in their search for a Data Engineer / Back End Developer to join the growing team on a contract basis. Duration: Initi ...

Functional Tester

Functional Tester - Elite Team in Cambridge - True Innovation We're partnered with one of the most innovative tech communications organisations in Cambridge. They are expanding globally and are looking to bring in a talented Senior Software Test Engineer to work with one of the most talented ...

DV Cleared Backend Engineer for Secure Cloud Apps

Experis - ManpowerGroup is looking for DV cleared Backend Developers to support high-impact Defence and Security programs in the UK. The role involves designing, building, and operating secure cloud-native backend services while ensuring reliability and performance. You will be working with technologies like Jav ...

Java Platform Developer – Secure, Automated Solutions

DXC Technology is seeking a Java Platform Developer to work on-site in Gloucester or Central London. The role involves designing and implementing software solutions, collaborating with project teams, and ensuring security compliance. Essential skills include Java, C#, and C++ development, along with experience i ...

Java Platform Developer – Secure, Automated Solutions

DXC Technology is seeking a Java Platform Developer to work on-site in Gloucester or Central London. The role involves designing and implementing software solutions, collaborating with project teams, and ensuring security compliance. Essential skills include Java, C#, and C++ development, along with experience i ...

Senior FX C++/Java Lead for Low Latency Trading

The London Stock Exchange Group is seeking a Lead C++ / Java Developer based in London. This role is focused on designing and maintaining low-latency, high-throughput systems for FX trading. The successful candidate will possess over 10 years of experience in software engineering, strong technical skil ...

VR Teleoperation Engineer: Real Time Robot Control

Humanoid in London is looking for a Software Control Teleoperation Engineer to build advanced VR-based teleoperation solutions for humanoid robots. You will engineer immersive control systems allowing fluid human-robot interaction through next-gen VR hardware. This role demands proficiency in C++, Python, and Un ...

Senior Software Engineer Technical Owner, Navigation AI

Rise Technical Recruitment is seeking a hands-on Software Engineer to take technical ownership of complex systems in Heysham. This senior role focuses on delivering high-impact products, balancing strong engineering principles with practical delivery. The engineer will work closely with multidisciplinary teams, ...

Embedded Software engineer Embedded Software engineer

Embedded Software Engineer Location: Blackburn Salary: Up to £45,000 KO2's client, an innovative and fast-growing technology company, is looking for an Embedded Software Engineer to join their expanding team based in Blackburn. This is a fantastic opportunity for an engineer with 3+ years commercial embedded sof ...

Embedded Software engineer Embedded Software engineer

Senior Embedded Software Engineer (C/C++) – Defense Systems Location: Hampshire (M3 Corridor) – On-site/Hybrid requirements due to security Salary: Up to £100k + Package (Based on experience)Security Clearance: Active SC or DV Clearance Required (Current/Transferable)<br ...

Embedded Software engineer Embedded Software engineer

If you’re passionate about pushing the limits of embedded software and want your work to have a direct impact on next-generation space systems, this could be for you. We’re working with a pioneering space technology company developing AI-enabled autonomy software for spacecraft . They’re building techn ...

Embedded Software engineer Embedded Software engineer

Organisation Hover, Inc is an emerging leader in the development of integrated hardware and software computing platforms, and a custom ARINC 653 compliant Real Time Operating System (RTOS) with custom development tools and an ARINC 615A Data Loader. Hover, Inc is developing innovative solutions for trad ...

Embedded Software engineer Embedded Software engineer

Embedded Software Engineer Crawley – Hybrid – 3 days a week in the office £I’m currently working with an innovative technology company based in Crawley who are looking for an Embedded Software Engineer to join their growing engineering team on a hybrid basis!The company specialises in ...

Embedded Software engineer Embedded Software engineer

Embedded Software Engineer Salary: Up to £60,000 Location: York (Hybrid working available) Our client offers an exciting opportunity to play a central role in developing and delivering software for international projects. You'll be involved throughout the full lifecycle-from initial concept through to deployment ...

Senior Software Engineer Ticker Plant, Event Processing

Senior Software Engineer - Ticker Plant, Event Processing Location London Business Area Engineering and CTO Ref # 10050054 **Description & Requirements** The Ticker Plant system is a central hub of the Bloomberg market data infrastructure, p ...

Software Engineer Level 1

Ovarro is a market‑leading provider of remote telemetry units, secure SCADA systems and business optimisation software. We are transforming how companies around the world use their software to improve productivity. One of our key product offerings, SCOPE, is a secure software telemetry and SCADA pl ...

Software Engineer (Modelling & Simulations)

At Universal Quantum , we aim to make the world a better place by developing a new computer technology. Together, we are creating truly impactful quantum computers. Our machines will be capable of solving problems until now considered impossible, with applications ranging across a broad range of ind ...

Lead Embedded Engineer

Software Engineer (Team Lead)My Client is a UK-based technology company focused on the development of embedded software, algorithms, and electronic systems for advanced hardware platforms, and are hiring for a Lead Software Engineer Engineer to come and joint their growing team!Key Responsibiliti ...

Embedded Team Lead

Software Engineer (Team Lead)My Client is a UK-based technology company focused on the development of embedded software, algorithms, and electronic systems for advanced hardware platforms, and are hiring for a Lead Software Engineer Engineer to come and joint their growing team!Key Responsibiliti ...

JavaScript Engineer

This is a free 16 week training course followed by the potential for a role with one of our clients. Title: Mid-Level JavaScript Engineer Job location: Birmingham, UK Description: Step into a role as a Mid-Level JavaScript Engineer with the Counter Terrorist ...

Lead Software Engineer

## Lead Software EngineerApplylocations: Fareham Hampshire - Saab Seaeye, Trilogy 1, Concorde Way, Segensworthtime type: Full timeposted on: Posted Todaytime left to apply: End Date: June 7, 2026 (25 days left to apply)job requisition id: REQ_41298**Introduction**Saab UK is part of Scandinavia’s large ...

Machine Learning Engineer

Machine Learning Engineer - Python & C# - Nottingham/ Hybrid 3 month contract initially. - Outside IR35 We're looking for an experienced ML Engineer to join a cutting-edge advanced analytics team developing AI-powered solutions. This role offers the opportunity to w ...

Software Engineer, Ring

As a Software Engineer, you will be a core member of a software team developing Ring's next generation of camera-centric devices. While experience with embedded systems is valuable, we're looking for engineers passionate about building IoT products who are eager to work close to the hardware. The idea ...

Embedded Software Engineer, Ring

As an Embedded Software Engineer, you will be a core member of a software team developing Ring's next generation of camera-centric devices. While experience with embedded systems is valuable, we're looking for engineers passionate about building IoT products who are eager to work close to the hardware. ...

Software Engineer, Ring

As a Software Engineer, you will be a core member of a software team developing Ring's next generation of camera-centric devices. While experience with embedded systems is valuable, we're looking for engineers passionate about building IoT products who are eager to work close to the hardware. The idea ...

Embedded Software Engineer, Ring

As an Embedded Software Engineer, you will be a core member of a software team developing Ring's next generation of camera-centric devices. While experience with embedded systems is valuable, we're looking for engineers passionate about building IoT products who are eager to work close to the hardware. ...

Software Test & Automation Engineer

A Software Test and Automation Engineer with a background involving the use of Python and Behave together with knowledge of supporting HIL and SIL testing within a Hardware Engineering environment, will join a thriving High-Tech Company where quality and product reliability are key. A competitive salary package ...

NL 26 016 BMDS Software Engineer

The nLogic team is seeking a BMDS Software Engineer to support the design, implementation, integration, and testing of complex, mission‑critical software capabilities for large‑scale, high‑reliability defense systems. The role involves developing and maintaining software features, algorithms, and system be ...

Embedded Software Engineer

Embedded Software Engineer Crawley – Hybrid – 3 days a week in the office £I’m currently working with an innovative technology company based in Crawley who are looking for an Embedded Software Engineer to join their growing engineering team on a hybrid basis!The company specialises in ...

🚀 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