• United Kingdom Jobs Expertini profile avatar

    • 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
    Explore Leading Employers
    High-Paying Careers
    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.

    1. Expertini
    2. United Kingdom
    3. Jobs
    4. Software Engineer C Python Java Defence Tech Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Senior Embedded Systems Engineer (£80 100k + Equity) at Rivan Industries

    Job Title: Senior Embedded Systems Engineer Salary: £80-100k + Equity Company Description: Rivan Industries - Decarbonising heavy industry through modular synthetic fuel plants. Location: London, UK Job Description You will architect ...

    Senior Embedded Systems Engineer (£80 100k + Equity) at Rivan Industries

    Job Title: Senior Embedded Systems EngineerSalary: £80-100k + EquityCompany Description: Rivan Industries - Decarbonising heavy industry through modular synthetic fuel plants.Location: London, UKJob DescriptionYou will a ...

    .NET Developer Huntingdon

    .NET Developer - Software House – Huntingdon, Huntingdonshire, Cambridgeshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Ar ...

    .NET Developer Huntingdon

    .NET Developer - Software House – Huntingdon, Huntingdonshire, Cambridgeshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, . ...

    .NET Developer Huntingdon

    .NET Developer - Software House – Huntingdon, Huntingdonshire, Cambridgeshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, . ...

    Full Stack Engineer

    GTS is working with a Cambridge-based clean-tech business at the forefront of DC EV charging innovation. They're developing an advanced DC charging solutions that break down the infrastructure barriers slowing the B2B transition to electrification, helping companies hit decarbonisation targets faster. ...

    Full Stack Software Engineer Mobile Focused

    About the Role Hybrid | Permanent | Starting from £63,000 Want to build and run software that makes a real difference to millions of customers? Ready to work across the full lifecycle, from idea to production, using modern cloud and DevOps practices? At EDF, you won't just write c ...

    Front End React Developer with UI/UX Focus

    Java Script Works is seeking an experienced Front-End Software Developer in Cambridge, UK, with very strong skills using React. The role requires several years in a commercial development environment and an eye for UI/UX design. In addition to React, knowledge of TypeScript, Node.js, Git, and Python is beneficia ...

    Front Office Trading Apps Support Engineer

    A consulting firm in the UK is seeking an individual to manage application support across various desks, including index flow and commodities. Responsibilities include configuring proprietary software for trading and executing bug reports. The ideal candidate has strong communication skills, programming expertis ...

    Senior Full Stack Engineer

    Senior Full Stack EngineerBelfast Hybrid Permanent | Full Time Contact: Ryan Quinn on LinkedInCompany: OCHO - Building Teams The OpportunityOCHO is partnering with a high-performing product engin ...

    Remote Software Engineer (Contract) Full Stack & Backend

    Crossing Hurdles is looking for a Software Developer to design and maintain scalable applications in a remote environment. The candidate should have solid experience with technologies like Python, Rust, GoLang, Java, or Node.js. Responsibilities include collaborating with teams, writing clean code, and contribut ...

    AVP Investment Banking Java Full Stack Engineer (Angular/React) Spring Boot, REST, ELK PERMANENT

    AVP Investment Banking Java Full Stack Engineer (Angular/React) - Spring Boot, REST, ELK Our Investment Banking client is looking for a permanent Java Full Stack Engineer (AVP level). Skills Excellent knowledge, understanding and active hands‑on coding ability of Java (Spr ...

    Quantitative Developer

    We’re looking for a quantitative developer who is passionate about working with financial data and building products that traders and researchers actually use. At Intropic you’ll join a fast-moving fintech startup where engineers own hard, open-ended problems across research, data and product — we don’t ...

    Quantitative Developer

    We’re looking for a quantitative developer who is passionate about working with financial data and building products that traders and researchers actually use. At Intropic you’ll join a fast-moving fintech startup where engineers own hard, open-ended problems across research, data and product — we don’t ...

    Principal DevOps Engineer

    ABOUT IDBS IDBS helps BioPharma organisations unlock the potential of AI/ML to improve the lives of patients. As a trusted long-term partner to 80% of the top 20 global BioPharma companies 1 , IDBS delivers powerful cloud software and services specifically designed to meet the evolving needs of ...

    Java Security Engineer Enterprise Finance & IAM Expert

    E-Solutions is seeking a Java Security Engineer with at least 7 years of hands-on experience in the Java enterprise environment. The ideal candidate will have experience with Agile methodologies, enterprise financial solutions, and be proficient in Java SE/JEE and TypeScript. Strong communication skills and the ...

    OS Performance Expert

    Job Title: OS Performance Expert Job Type: Permanent Location: Cambridge, United Kingdom Our client are an international semiconductor company. As a Senior OS Performance Expert, you will play a crucial role in optimizing the performance of our new mobile operating systems OS. Responsibil ...

    Defence Analytics Lead Senior Operational Consultant

    A consulting firm specializing in defence analysis is seeking a Senior Analyst Consultant to join their team in Winchester. This hybrid role requires strong expertise in operational analysis and data science, backed by a solid defence background and excellent communication skills. The successful candidate will p ...

    Software Engineering Manager, WebView Health

    WeAreTechWomen is looking for a Software Engineering Manager in the United Kingdom. This role will focus on providing technical leadership, optimizing code, and managing a team of Engineers working on innovative projects. The ideal candidate will have over 8 years of experience in software development ...

    Senior Java Backend Engineer — Build Scalable Secure Systems

    FanDuel is searching for a Senior Software Engineer - Java in Edinburgh, Scotland. This role involves developing scalable, fault-tolerant backend systems while working within agile teams. Candidates should possess a strong command of Java and related technologies, along with experience in cloud environments. ...

    Core Java Engineer — Low Latency, Hybrid London

    A leading investment management firm in London is seeking an experienced Core Java Software Engineer to build scalable software solutions for the financial sector. The successful candidate will have several years of experience in Core Java, especially in areas like low latency and multithreading. Enjoy flexible ...

    Robotic Test Engineer II

    Here at Humanoid, we believe in a future where robots amplify human potential. That’s why we’ve set out on a mission to build the world’s most capable, commercially-scalable, and safe humanoid robots. We’re bringing that mission to life with HMND‑01 Alpha - our rapidly developed humanoid platform now runni ...

    Robotic Test Engineer II

    Here at Humanoid, we believe in a future where robots amplify human potential. That’s why we’ve set out on a mission to build the world’s most capable, commercially-scalable, and safe humanoid robots. We’re bringing that mission to life with HMND‑01 Alpha - our rapidly developed humanoid platform now runni ...

    RF / Wireless Algorithm Implementation Developer

    Turning RF comms algorithms, models and metrics into robust, optimised production code Cambridge; to £highly competitive + benefitsApply fast, check the full description by scrolling below to find out the full requirements for this role.This company works at the cutting edge of RF communications hardware ...

    RF / Wireless Algorithm Implementation Developer

    Turning RF comms algorithms, models and metrics into robust, optimised production code Cambridge; to £highly competitive + benefits This company works at the cutting edge of RF communications hardware, firmware and software design. They are seeking a software engineer with practiced skills work ...

    Integration Specialist

    Location: Fully Remote Type: Permanent, Full-Time Technical Solutions Engineer / Integration Specialist – FinTech SaaS Platform (Python scripting/coding essential) We’re looking for a motivated and hands‑on Technical Solutions Engineer / Integration Specialist to join a profitable ...

    Senior Java Back End Engineer AWS (Remote UK)

    A health tech company is looking for a senior software developer to enhance an AWS-based platform for sharing medical diagnostics. You will need a degree in Computer Science and strong skills in Java, as well as knowledge of AWS. The role emphasizes collaboration with stakeholders to define software requirements ...

    Graduate Tech Consultant: Fast Track Training & Equity

    A financial software company in Greater London is seeking a recent graduate for an entry-level role focusing on software development and client interaction. The ideal candidate will help configure and deliver solutions using modern technologies like Java and TypeScript, all while receiving training and support. ...

    Senior Software Engineer – Dementia Care Platform

    A leading educational institution in the UK is looking for a Senior Software Developer to join their Dementia Research Institute. You will develop innovative healthcare technology and work with a multidisciplinary team to improve the lives of those affected by dementia. The role requires proficiency in programmi ...

    Senior Python Data Scraping Engineer (Freelance)

    Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate wi ...

    Senior Fullstack Python Engineer – Disrupting Utlilities

    Job Description The Role As a senior python engineer you will join a start up where the culture of delivery, agile and accountability is second nature. You’ll join a small team where everyone in the business has an impact on a daily basis and you are given accountability for ...

    Senior Fullstack Python Engineer – Disrupting Utlilities

    Job Description The Role As a senior python engineer you will join a start up where the culture of delivery, agile and accountability is second nature. You’ll join a small team where everyone in the business has an impact on a daily basis and you are given accountability for ...

    Senior Python Data Scraping Engineer (Freelance)

    Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate wi ...

    Lead Data Engineer: Databricks, Python & AWS

    Eleks United Kingdom Posted about 1 month ago This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. Qualifications Exception handling 2+ years of hands-on ...

    Senior Backend Engineer Python & AWS (Remote)

    Trustonic is seeking a Senior Backend Engineer in the United Kingdom to design and deliver scalable backend services for its cloud-native telecoms platform. This remote role requires strong expertise in Python, AWS serverless technologies, and an understanding of distributed architectures. The position offers a ...

    Cyber Security Automation Engineer — Python & Cloud

    Aviva is hiring a Cyber Security Specialist to join their Automation and Orchestration team. Based in the UK, the role involves leveraging Python development skills to enhance cyber security. Candidates should possess experience with API integration, SQL Server, and understanding of cloud platforms. The position ...

    Senior Microservices Engineer — PHP, Python & Kafka

    Movement8 is looking for a Principal Application Developer in West Midlands, United Kingdom, offering a competitive salary of £80,000 per year. The ideal candidate will have extensive experience in PHP and Python, alongside a strong understanding of microservices and event-driven architecture, particularly with ...

    Remote Full Stack Engineer (Python + React)

    Octopus Electric Vehicles is looking for a mid-level Full Stack Software Engineer with strong skills in Python and React to join our hybrid working team. You will play a key role in revolutionising the electric car leasing industry while collaborating in a dedicated cross-functional team. Your responsi ...

    Client‑Facing Cloud Engineer (Go/Python)

    Thought Machine is seeking a Forward Deployed Engineer to collaborate with client teams on implementing Vault products. This role involves writing production-level code primarily in Python/Go, overseeing technical project delivery, and serving as a trusted client contact. Essential qualifications include experie ...

    Senior Python Engineer | Django, AWS & DevOps

    A technology company based in the United Kingdom is seeking a Python Developer to build and maintain scalable Python applications. The ideal candidate will work closely with front-end teams and be responsible for developing features, integrating APIs, and ensuring code quality. Knowledge of Django, AWS, and DevO ...

    Senior Backend Engineer — Python Microservices, Hybrid

    A leading insurance technology company is seeking a skilled Software Engineer to develop Python microservices and solve complex technical problems. The ideal candidate has a strong background in computer engineering, experience with cloud architectures, and excellent problem-solving skills. The role offers a col ...

    Senior Python Engineer: Platform & ML Ops

    A dynamic fintech company in the UK is seeking a Senior Python Engineer to collaborate with product teams and ensure effective adoption of tools for scalable and reliable data solutions. This role involves deploying microservices, enhancing internal tooling, and bridging gaps between teams. Candidates should dem ...

    Senior Python/Django Engineer — Remote & Impactful

    A leading marketing tech firm in the UK is seeking a Senior Software Engineer with strong backend experience, ideally in Elixir, to join their remote team. You will collaborate with engineers and contribute to innovative product development in a supportive environment. Ideal candidates should have an interest in ...

    Freelance Data Science Engineer (Python & SQL)

    Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

    Freelance Data Science Engineer (Python & SQL)

    Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

    Python Engineer, Index Fixed Income, Associate

    **About this role** **Job Purpose/Background:** The Index Fixed Income (IFI) team has responsibility for managing Blackrock’s Index Fixed Income portfolios, including Exchange Traded Funds (ETFs), mutual funds, & segregated mandates. The IFI team liaises closely with many areas of Fixed Income ...

    Senior Cloud Backend Engineer

    Instil Software Ltd is seeking experienced Senior Software Engineers to design and build backend services with modern cloud platforms. Ideal candidates will have a strong grasp of C#, TypeScript, or Java and enjoy contributing to system architecture and mentoring junior engineers. The position offers flexibil ...

    Software Architect Remote (Europe Preferred)

    Tired of the 9-to-5 grind? Imagine a world without borders, where opportunities are endless. That's the future of work, and we're building it at. Our all-in-one HR platform makes it easy to hire and manage global teams, ensuring compliance and streamlining processes. So whether you're a digital nomad or a rem ...

    Software Architect Remote (Europe Preferred)

    Tired of the 9-to-5 grind? Imagine a world without borders, where opportunities are endless. That's the future of work, and we're building it at. Our all-in-one HR platform makes it easy to hire and manage global teams, ensuring compliance and streamlining processes. So whether you're a digital nomad or a rem ...

    Senior DevOps Engineer

    Job DescriptionRole Purpose:Crown Agents Bank (CAB) is hiring developers that are looking to engineer state-of-the-art financial systems. CAB is currently investing in technology growth and change driven by business growth. This is leading to new revenue streams and product capabilities inclu ...

    🚀 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 →

    💡 Tools that really enhance your application chances and career growth.

    Go to Your Dashboard →

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