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 Lead Software Engineer Java Global Liquidity Portfolio Management Platform Engineer

Our Asset and Wealth Management division is driven by innovators like you who are driven to create technology solutions that make us work more efficiently and help our businesses grow. It’s our mission to efficiently take care of our clients’ wealth, helping them get, and remain properly invested. Across 27 c ...

Software Dev Engineer II

GBR, Lonndon, United Kingdom | Posted on 11/25/2024 Are you a talented Software Development Engineer looking to create seamless user experiences across multiple platforms? We are seeking a Software Development Engineer II to join our team and drive innovation for a global streaming platform. In ...

Staff Kernel Driver Engineer – Linux & PCIe

A leading AI compute technology company in the UK is looking for a skilled Software Engineer to work on OS Kernel and Device Driver software. You will design and implement solutions in C/C++/Python, collaborate with both hardware and software teams, and participate in agile development. Essential skills include ...

Pre Sales Engineer Embedded Platforms

Pre-Sales Engineer - Embedded Platforms (Customer Integration) Location: Hybrid (remote with circa 2 days per week onsite in Crawley Salary: £58,000 + benefits We're working with a growing international technology business that develops high-performance compu ...

Pre Sales Engineer Embedded Platforms

Pre-Sales Engineer - Embedded Platforms (Customer Integration) Location: Hybrid (remote with circa 2 days per week onsite in Crawley Salary: £58,000 + benefits We're working with a growing international technology business that develops high-performance computing p ...

Senior Software Engineer London up to £150k

Forward Deployed Software Engineer (Python / TypeScript / AI) Oliver Bernard are partnered with a high-growth AI deployment company operating at the forefront of enterprise AI. Backed by top-tier investors and AI labs, they’re already delivering production-grade systems across finance, energy, an ...

Senior Software Engineer London up to £150k

Forward Deployed Software Engineer (Python / TypeScript / AI) Oliver Bernard are partnered with a high-growth AI deployment company operating at the forefront of enterprise AI. Backed by top-tier investors and AI labs, they’re already delivering production-grade systems across finance, energy, an ...

Space Navigation Software Engineer

A leading astrophysics startup in Edinburgh is seeking a Software Engineer to develop control and simulation software for navigation modules. The ideal candidate will have 3+ years of experience in software development with strong skills in Python and C/C++. This role involves close collaboration with hardware t ...

Space Navigation Software Engineer

A leading astrophysics startup in Edinburgh is seeking a Software Engineer to develop control and simulation software for navigation modules. The ideal candidate will have 3+ years of experience in software development with strong skills in Python and C/C++. This role involves close collaboration with hardware t ...

DTV Software Engineer Perm West London

My client designs and develops key components of flat panel digital televisions. The software is deployed in products destined for European and sometimes worldwide markets. They are looking for a DTV Software Engineer to join the team and develop within their industry fabled development team, based i ...

Principal Software Engineer

Join a global technology organisation whose products are trusted by leading brands and deliver real-world impact across sustainability, education and safety. This is a pivotal role, reporting to the Head of Engineering helping lead tech direction and delivery for some genuinely innovative products. <h ...

Principal Software Engineer

Join a global technology organisation whose products are trusted by leading brands and deliver real-world impact across sustainability, education and safety.This is a pivotal role, reporting to the Head of Engineering helping lead tech direction and delivery for some genuinely innovative products.<br ...

Senior Backend Infra Engineer Scalable Systems

A leading software company in Greater London is searching for a Software Engineer to develop scalable and reliable infrastructure systems. You will be engaged in diverse tasks such as building a search ecosystem, contributing to open-source libraries, and crafting distributed systems. The position demands over 6 ...

Senior Backend Infra Engineer Scalable Systems

A leading software company in Greater London is searching for a Software Engineer to develop scalable and reliable infrastructure systems. You will be engaged in diverse tasks such as building a search ecosystem, contributing to open-source libraries, and crafting distributed systems. The position demands over 6 ...

Senior Software Engineer – Scalable Real Time Data Systems

A data solutions company based in Manchester is seeking a Senior Software Engineer to enhance their data processing capabilities. The successful candidate will have over 6 years of experience in software development, strong coding skills in Java and Python, and experience with big data technologies. This role of ...

Edge Computing & ML Software Engineer — Hybrid, SC Cleared

CBSbutler Holdings Limited trading as CBSbutler is seeking a Software Engineer based in Test Valley, Hampshire. The role involves developing cutting-edge software solutions, working collaboratively to address complex challenges, and participating actively in Agile processes. Candidates should have a degree in a ...

Senior Backend Engineer (Java & Spring) | Microservices

Elsevier in Oxford is seeking a Software Engineer III to design and develop backend services using Java, Spring Boot, and Python in a collaborative agile environment. This role involves enhancing document transformation services and APIs while working with cloud technologies like AWS and Kafka. The ideal candida ...

Senior Backend Engineer for Scalable Data & AI Systems

A data-driven software company in Greater London is seeking a Backend Software Engineer to lead the architecture and development of scalable backend services. The role involves building robust APIs, collaborating with other engineers, and optimizing performance. Candidates should have 6+ years of experience in b ...

Senior Software Engineer, Ads Analytics & Data Pipelines

Roku, Inc. is looking for a Senior Software Engineer in Manchester, UK, to develop scalable APIs and manage big data solutions. Candidates should have 8+ years in software or data engineering, with skills in Apache Spark, Airflow, and a strong foundation in Java, Python, or Scala. The role requires collaboration ...

Secure Cloud Software Engineer (Hybrid, Clearance Eligible)

Gemba Advantage is looking for a Software Engineer in Cheltenham to contribute to secure digital products for public sector organizations. The ideal candidate should have a strong foundation in software engineering principles and experience with modern languages like Java, TypeScript, or Python. This is a hybrid ...

Principal AI Governance Platform Architect

J.P. MORGAN is looking for a Principal Software Engineer in Greater London to lead AI Governance Engineering efforts. The role involves designing and building governance platforms, developing reusable services, and ensuring compliance across AI/ML delivery lifecycles. Candidates should have strong software engin ...

eDV Cleared Software Engineer Lead Backend & Cloud

iO Associates is looking for a Software Engineer to join their team in Manchester, Gloucestershire, or London. The ideal candidate will have strong skills in Backend development using Java (Spring Boot, Maven) or Python, alongside experience in DevOps practices including CI/CD pipelines and AWS environments. Thi ...

Hybrid AI Software Engineer — Manchester, Production AI

Vanguard is seeking an AI Software Engineer in Manchester to design and maintain AI services and platforms for European teams. Ideal candidates should have 3-6 years of software engineering experience, strong programming skills in languages such as Java or Python, and hands-on experience with AI and machine lear ...

Senior Ads Analytics Engineer API, Spark & Airflow

Roku is seeking a highly skilled Senior Software Engineer in Cambridge, England, to lead API Development and Big Data pipelines. With a strong emphasis on software and data engineering, the role involves designing, building, and maintaining scalable systems. Candidates should have 8+ years of experience, experti ...

Senior Platform Engineer: AI Driven SDLC & Cloud Ops

A diversified trading firm is seeking a skilled Software Engineer to design and maintain build/release/run tooling for development teams. Candidates should have six or more years of experience in software engineering and proficiency in GitHub Actions and at least one programming language such as Python, Go, Java ...

Senior Backend & Platform Engineer, Cloud Infra

A leading technology company in London is seeking a Senior Software Engineer to design and build backend services that power its systems. In this hybrid role, you will collaborate with teams to develop production-grade services, maintain CI/CD systems, and manage AWS infrastructure. Candidates should have strong ...

Senior Software Engineer — Agentic Infrastructure

A global technology leader is seeking a Senior Software Engineer to architect agentic infrastructure that unifies fragmented domains. You will partner with Engineering Leads and Product Managers to shape automation roadmaps while ensuring that Google’s standards are met. This role requires strong experience in s ...

Blockchain Software Engineer II DLT & Digital Assets

A global financial services leader is seeking a Software Engineer II in London to design, develop, and deliver blockchain applications. The role involves collaborating with experienced engineers, developing secure services using Java, Python, and TypeScript, and contributing to high-impact projects. Candidates s ...

Senior Security Engineer: Secure, Scalable Apps

A leading global financial services firm is seeking a Software Engineer III to join their agile team in Bournemouth, England. The successful candidate will design and deliver trusted market-leading technology products. Responsibilities include developing secure production code, analyzing large data sets, and con ...

Senior Software Engineer – Scalable Real Time Data Systems

A data solutions company based in Manchester is seeking a Senior Software Engineer to enhance their data processing capabilities. The successful candidate will have over 6 years of experience in software development, strong coding skills in Java and Python, and experience with big data technologies. This role of ...

Senior Ads Analytics Engineer API, Spark & Airflow

Roku is seeking a highly skilled Senior Software Engineer in Cambridge, England, to lead API Development and Big Data pipelines. With a strong emphasis on software and data engineering, the role involves designing, building, and maintaining scalable systems. Candidates should have 8+ years of experience, experti ...

Senior Cloud QA Engineer — Automation & Testing Lead

Tatton Recruitment is seeking a Senior Software Engineer in Test for a temporary contract in Lydgate, UK, initially until March 2027. You will develop and test bespoke cloud-native applications, utilize tools like SonarQube, and implement automation strategies. The role requires strong programming skills in Java ...

Hybrid AI Software Engineer — Manchester, Production AI

Vanguard is seeking an AI Software Engineer in Manchester to design and maintain AI services and platforms for European teams. Ideal candidates should have 3-6 years of software engineering experience, strong programming skills in languages such as Java or Python, and hands-on experience with AI and machine lear ...

Senior Backend Engineer (Java & Spring) | Microservices

Elsevier in Oxford is seeking a Software Engineer III to design and develop backend services using Java, Spring Boot, and Python in a collaborative agile environment. This role involves enhancing document transformation services and APIs while working with cloud technologies like AWS and Kafka. The ideal candida ...

Senior Software Engineer, Ads Analytics & Data Pipelines

Roku, Inc. is looking for a Senior Software Engineer in Manchester, UK, to develop scalable APIs and manage big data solutions. Candidates should have 8+ years in software or data engineering, with skills in Apache Spark, Airflow, and a strong foundation in Java, Python, or Scala. The role requires collaboration ...

Senior Cloud QA Engineer — Automation & Testing Lead

Tatton Recruitment is seeking a Senior Software Engineer in Test for a temporary contract in Lydgate, UK, initially until March 2027. You will develop and test bespoke cloud-native applications, utilize tools like SonarQube, and implement automation strategies. The role requires strong programming skills in Java ...

Hybrid Principal Software Engineer — Autonomy & Simulation

Sirius Analysis Limited is seeking a Principal Software Engineer in Portsmouth with a hybrid working model. The role involves developing software for modelling, simulation, and autonomy. Candidates should have at least 15 years of experience and proficiency in C/C++ or C# and Python. Benefits include a pension, ...

Senior Embedded Software Lead Flexible Working

A multinational underwater engineering provider is seeking a Software Engineer in Aberdeen City. You will provide design solutions and lead a software team on projects ranging from new products to existing software upgrades. The role requires a minimum of 6 years in software engineering and proficiency in langua ...

Senior Embedded Software Lead Flexible Working

A multinational underwater engineering provider is seeking a Software Engineer in Aberdeen City. You will provide design solutions and lead a software team on projects ranging from new products to existing software upgrades. The role requires a minimum of 6 years in software engineering and proficiency in langua ...

Full Stack Polyglot Engineer

Job Description Full Stack Polyglot Engineer — London | Up to £300k package with benefits + sharesAn early-stage, well-funded startup is looking for a Senior Full Stack Polyglot Engineer to help build the next generation of AI-driven control software.If you wa ...

Senior Drone Software Dev Engineer, Ring Robotics Platform Engineering

Ring is working on innovative robotics products; therefore, we are looking for skilled individuals with a strong bias for action and deep technical knowledge to join our team in Cambridge.Our team is developing a new class of product and building the software framework for high performance embedded rob ...

Senior Software Engineer

Expleo is seeking Software Engineers to join our growing Belfast team, delivering high-integrity engineering solutions across a range of complex and safety-critical domains. This role is ideally suited to candidates with experience in safety‑critical or defence environments, though we also welcome strong s ...

Senior Software Engineer

Expleo is seeking Software Engineers to join our growing Belfast team, delivering high-integrity engineering solutions across a range of complex and safety-critical domains. This role is ideally suited to candidates with experience in safety‑critical or defence environments, though we also welcome strong s ...

Quantitative Developer High Performance Trading Systems

A leading systematic hedge fund in the UK is seeking a Quantitative Developer to design, implement, and maintain trading systems. This role combines software engineering and quantitative research, focusing on building reliable tools for systematic investment strategies. Candidates should have strong programming ...

Quantitative Developer High Performance Trading Systems

A leading systematic hedge fund in the UK is seeking a Quantitative Developer to design, implement, and maintain trading systems. This role combines software engineering and quantitative research, focusing on building reliable tools for systematic investment strategies. Candidates should have strong programming ...

Senior C++ Drone Systems Engineer (Flight Critical)

A tech company specializing in AI is seeking a Senior C++ Software Engineer in London. You will architect and develop the C++20 drone software stack, working closely with teams on safety-critical systems. The role demands extensive C++ experience and strong problem-solving abilities. Candidates with a background ...

Software Engineer Cybersecurity Analytics & Enforcement

Fortinet, a leader in cybersecurity, is looking for a Software Engineer (Cybersecurity Analytics & Enforcement) based in Greater London. You will be responsible for designing innovative policies to detect cybersecurity violations using Starlark scripting, collaborating with cross-functional teams to enhance data ...

Senior Embedded C++ Engineer

Overview ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering sol ...

Senior Embedded C++ Engineer

Overview ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering sol ...

Games Software Engineer (OpenGL, Android)

Working as a Games software engineer for a leading name in Gaming development? If not then why not! One of the biggest names worldwide is looking for a Games Software Engineer to join their development team, based close to Heathrow. As a Games Software Engineer you will be expected to ...

🚀 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