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 Automation Test Engineer eSC or eDV Required

We are looking for a Senior Automation Test Engineer to join IBM, supporting our public sector and defence clients. In this role, you will help deliver reliable and efficient automated testing solutions for a range of applications. You will design and develop automated test scripts, support CI/CD integrat ...

Senior Automation Test Engineer eSC or eDV Required

We are looking for a Senior Automation Test Engineer to join IBM, supporting our public sector and defence clients. In this role, you will help deliver reliable and efficient automated testing solutions for a range of applications. You will design and develop automated test scripts, support CI/CD integrat ...

Senior Automation Test Engineer eSC or eDV Required

We are looking for a Senior Automation Test Engineer to join IBM, supporting our public sector and defence clients. In this role, you will help deliver reliable and efficient automated testing solutions for a range of applications. You will design and develop automated test scripts, support CI/CD integrat ...

Senior Automation Test Engineer eSC or eDV Required

We are looking for a Senior Automation Test Engineer to join IBM, supporting our public sector and defence clients. In this role, you will help deliver reliable and efficient automated testing solutions for a range of applications. You will design and develop automated test scripts, support CI/CD integrat ...

Software Engineer Environmental Monitoring in London OxSource

Software Engineer - Environmental Monitoring London, United Kingdom Posted 9 months ago Tech Stack JavaScript Django Angular React Monitoring Python Frontend Apps Development Opportunity < ...

Data Engineer DV Cleared

Here's a sharper, more compelling version in your tone, with stronger pull and a bit more energy without overdoing it:---**DV Cleared Data Engineers**UK, London, Manchester, Bristol, Hybrid🚨 **Active DV Clearance required, no exceptions**We're supporting a leading UK organisat ...

Senior Software Engineer

Senior Software Engineer As a Senior Software Engineer, you'll design, develop, and maintain critical infrastructure that powers essential services. You'll tackle complex challenges, work with cutting‑edge technology, and contribute to solutions that have real‑world impact. Locati ...

Senior Software Engineer

Senior Software Engineer As a Senior Software Engineer, you'll design, develop, and maintain critical infrastructure that powers essential services. You'll tackle complex challenges, work with cutting‑edge technology, and contribute to solutions that have real‑world impact. Locati ...

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 ...

Project Engineer

Location: London, United Kingdom • Employment: Full-time We are seeking a qualified and enthusiastic Project Engineer to join our IT department. As a fintech engineer, you are a professional whose main responsibility is to develop new, more efficient, and secure methods for users to complete financial ...

Software Engineer, Data in London Kharon

Software Engineer, Data London, United Kingdom Posted 10 months ago Tech stack Django FastAPI Python ecosystem Flask NumPy REST Requirements Authorization to work in your country of r ...

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 ...

Test Engineer SC Cleared

Talent Acquisition Specialist | Tech, Product & Data London (2–3 days per week in office) | Hybrid Must have active SC Clearance. About the project Our client is maturing a bespoke software platform built on Python microservices integrated with custom h ...

Head of Software Engineering

Head of Engineering, Manchester, £100,000 - £115,000 + Share Options Join a fast-growing SaaS business at the forefront of their sector, building innovative products that help global organisations. The company combines domain expertise, data and modern cloud technology, used by enterprise c ...

Java Developer in Edinburgh Bright Purple Resourcing

Salary £75,000 per year Requirements I am looking for candidates who possess substantial experience in Java development. Proficiency in working with Linux, Docker, and Kubernetes is essential. A solid understanding of data structures and algorithms is required. Familiarity with secondar ...

Java Developer in Edinburgh Bright Purple Resourcing

Salary £75,000 per year Requirements I am looking for candidates who possess substantial experience in Java development. Proficiency in working with Linux, Docker, and Kubernetes is essential. A solid understanding of data structures and algorithms is required. Familiarity with secondar ...

Staff Embedded Engineer — BLE & ESL Systems

A leading technology company in Cambridge, UK is seeking a Software Engineer to join their Electronic Shelf Label team. The role requires expertise in embedded systems and contributions to Bluetooth Low Energy innovations. The ideal candidate has at least 4 years of experience in software engineering, a degree i ...

Senior Simulation Engineer — Realistic Driving Platform

Icehouseventures is seeking a Software Engineer for Wayve’s Simulation Technology team in Greater London. You will be an expert in developing core components of a simulation platform that is essential for evaluating driving intelligence. Responsibilities include ensuring simulator realism and integrating mach ...

Senior Simulation Engineer — Realistic Driving Platform

Icehouseventures is seeking a Software Engineer for Wayve’s Simulation Technology team in Greater London. You will be an expert in developing core components of a simulation platform that is essential for evaluating driving intelligence. Responsibilities include ensuring simulator realism and integrating mach ...

Staff Engineer: AI Systems & MLOps Architect

PC Partner Limited is looking for a Staff Engineer, Software (AI) who will be responsible for the architecture and development of advanced AI solutions. You will collaborate with cross-functional teams to implement and deliver AI technologies that align with product requirements. The ideal candidate sh ...

Graduate Hardware Engineer

Graduate Hardware Engineer Permanent role Based in Guildford Offering £45,000 Do you have knowledge/understanding of PCB design/layout, FPGA development in VHDL, or Embedded C/C++ Software Developmen ...

Senior Embedded Software Engineer

Manchester | National Security | High‑Performance Systems | Up to £80,000 Gross Operating at the cutting edge of defence, aerospace, and national security technology , delivering advanced, mission‑critical solutions for government and international customers. Teams work across highly ...

Junior Trade Desk Developer in London Quant Capital

Junior Trade Desk Developer Quant Capital London, United Kingdom Posted about 1 year ago This is a job posted by our partner Jooble Tech stack Java Python STEM Below is a snippet of the job description. To read the fu ...

Senior Software Engineer in Cambridge SoCode Recruitment

Overview We’re looking for a Senior Software Engineer with strong experience in Java and Kotlin to join our client's collaborative team. Job Details Job Title: Senior Software Engineer (Java & Kotlin) Salary: Up to £80k Location: Cambr ...

Senior Software Engineer in Cambridge SoCode Recruitment

Overview We’re looking for a Senior Software Engineer with strong experience in Java and Kotlin to join our client's collaborative team. Job Details Job Title: Senior Software Engineer (Java & Kotlin) Salary: Up to £80k Location: Cambr ...

Cyber Software Engineer eDV Cleared

Cyber Software Engineer – eDV Cleared New Permanent Opportunity for Cyber Software Engineers in Cheltenham with Security Clearance to work on Mission-Critical, National Security projects Role: Cyber Software Engineer Location: Cheltenham (hybrid) Clearance: eDV ...

On Site Software Developer C#, ASP.NET & SQL

Randox Laboratories is seeking an IT Software Developer to join their Software Development Team in Crumlin, UK. The role involves developing web-based applications and managing the full development life-cycle, utilizing technologies such as C#, ASP.NET, and SQL Server. Candidates should hold a Bachelor's degree ...

NL 26 018 BMDS Software Team Product Owner

The nLogic team is seeking a BMDSSoftware Team Product Owner to support a high‑performance Agile software development team building complex, mission‑critical software for large‑scale, high‑reliability defense applications. This role blends Product Ownership with hands‑on software engineering, with the majo ...

Embedded Software Architect: Hybrid, C++ & EW Systems

A leading aerospace and defense company is seeking an Embedded Software Architect to lead software engineering solutions. The role involves shaping system requirements, collaborating on architectural solutions, and influencing development approaches. The ideal candidate should have expertise in C++, embedded sof ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote We’re recruiting for experienced Java Engineers with strong experience working with Legacy Java versions (Ideally Java 8). This 6-Month contract is determined as Inside IR35 and is offered on a Hybrid remote basis requiring ...

Junior Automation QA Engineer: Global Music & Tech [209794]

Junior Automation QA Engineer: Global Music & Tech Location: London (Hybrid) | Sector: Music Technology / Mobile Applications | Experience: Junior / Entry-level with Python knowledge The Mission: Quality at the Heart of Discovery Are you a Junior QA Engineer with a passion for mus ...

Embedded DSP SW Engineer Software Defined Radio Datalink

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit an Embedded DSP Software Engineer - Software Defined Radio Datalink subcontractor on an initial 6 month contract. This role would suit a candidate who comes from a mobile communications industry or fr ...

Linux Devices Software Engineer

Join to apply for the Linux Devices Software Engineer role at Canonical 1 day ago Be among the first 25 applicants Join to apply for the Linux Devices Software Engineer role at Canonical Get AI-powered advice on this ...

Linux Devices Software Engineer

Join to apply for the Linux Devices Software Engineer role at Canonical 1 day ago Be among the first 25 applicants Join to apply for the Linux Devices Software Engineer role at Canonical Get AI-powered advice on this ...

Principal Software Engineer

Principal Software Engineer page is loaded## Principal Software Engineerlocations: Manchester, Lancashire: Gloucester, South Gloucestershiretime type: Full timeposted on: Posted Todayjob requisition id: **Date Posted:** **Country:**United Kingdom**Location:**Manchester, Lancashire**Position Role Type: ...

Tech Lead Optimisation Engineering

Role Summary Lead a software engineering team building decision‑support products that solve complex disruption‑management and crew/roster optimisation challenges. You’ll translate operational problems into scalable software and optimisation solutions, partnering closely with product, data/operati ...

Embedded Software Architect: Hybrid, C++ & EW Systems

A leading aerospace and defense company is seeking an Embedded Software Architect to lead software engineering solutions. The role involves shaping system requirements, collaborating on architectural solutions, and influencing development approaches. The ideal candidate should have expertise in C++, embedded sof ...

Senior Embedded Software Developer – C++, Linux, Hybrid

YT Technologies in Farnborough is seeking a Senior Software Developer to work in a hybrid model. The role requires expertise in C++, Python, and understanding of embedded systems, contributing across the software ecosystem. Join a global technology group offering a profit share scheme, flexible working ...

Product Engineer (£80k £130k + Meaningful Equity) at Allied

Job Title: Product Engineer Salary: £80k - £130k + Meaningful Equity Company Description: Allied - Notion Capital and 1991 VC‑backed defence tech startup Location: London, UK Job Description: Join a mission‑driven team building AlliedO ...

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&I Commissioning Engineer

Astute's Power Division are partnering with a leader EPC Contractor in the UK Power sector, and are currently recruiting for a C&I Commissioning Engineer to join their fast paced team on their Combined Cycle Synchronised condenser based in Pembroke on a 3 months initial contract.The C&I Commissioning ...

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 ...

I&C Engineer Nuclear

Overview Are you passionate about engineering? Do you want to make a difference? You could be one of our 54k+ colleagues in over 30 countries working on inspiring projects in the most innovative companies. Join us and start building tomorrow’s world today! Job Description </h ...

Senior C&I Engineer

# Senior C&I EngineerElectrical Engineering### Job DetailsLocationAbingdon-on-Thames, United KingdomEmployment TypeFull-timeSalary£57kLevelIndividual ContributorPostedan hour ago# Senior C&I Engineer## Overview of ResponsibilitiesThe salary for this role is **£57,117 (inclusive of a Specialist Allowance)***. **O ...

C++ Libc++ Performance Engineer

A leading technology company in Greater London is seeking a C++ Standard Library Performance Engineer to develop and enhance its C++ standard library. The role focuses on performance and offers the chance to influence developer tools used across Apple platforms. Candidates should have strong C++ skills and a pas ...

🚀 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