2,481,443+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 2026

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

Embedded Software Engineer

Our client, a prominent entity in the Defence & Security sector, is currently seeking a skilled Embedded Software Engineer to join their esteemed team. This is a permanent role that primarily entails working on-site for 4 days a week, with some flexibility. The successful candidate will play a crucial role i ...

Python Software Engineer

Rights to work in the UK without sponsorship are essential for this vacancy. An exciting opportunity for a Python Software Engineer has arisen with a well-established surveillance systems company, based in Nottingham. This is a great opportunity for a Python Software Engineer to ...

Senior Software Engineer

🚀 Our mission is to create tech that makes a difference, empowers teams, delights customers, and shapes the media world of tomorrowWe’re one of the leading media advertising companies with over 33,000 advertising sites across the UK and EU.As part of the global Bauer ...

Senior Software Engineer

Role: Senior Software Engineer Location: Peterborough, Portsmouth, Tunbridge Wells or Sunderland We are looking for a Senior Software Engineer with Azure experience for a fast-paced development team to progress development and transformation of our application estate. This ...

Senior Software Engineer

One of the UK’s fastest-growing fintechs is hiring.At ANNA Money, we’re rethinking what business admin should feel like for freelancers, founders and small businesses. No jargon, no clunky tools — just smart, intuitive products that actually save people time.From invoicing and e ...

Senior Software Engineer

Every day, Global Payments makes it possible for millions of people to move money between buyers and sellers using our payments solutions for credit, debit, prepaid and merchant services. Our worldwide team helps over 3 million companies, more than 1,300 financial institutions and over 600 million cardholders ...

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 ...

Software Engineer (Linux)

Join Proton and build a better internet where privacy is the defaultProton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, P ...

C++ Software Engineer

We are looking for a C++ Software Engineer to work on defence projects.Key ResponsibilitiesDevelop and maintain C++ and Python software for complex systemsWork on real-time data processing, simulation, or sensor integrationSupport verification, validation, and testing activities<b ...

Lead Software Engineer

Tech Lead – Manchester (Hybrid)£85k - £100kReact, TypeScript, Node.js, PHP/LaravelWe’re partnering with a fast growing Manchester business that is rebuilding its technology capability from the ground up and hiring a hands-on Tech Lead to drive one of its core product squads.This i ...

Embedded Software Engineer

An Embedded Software Engineer with expertise in real-time embedded systems design using C/C++ for Linux and PIC based Microcontrollers will join a thriving Technology Company. Hybrid working and generous salary package.This award-winning Technology Company seeks a versatile Embedded Software Engineer to join ...

Senior Software Engineer

Senior Software Engineer - C++ and Rust - is required by highly successful and fast growing technology consultancy. They build data, AI and software solutions for clients in a broad range of industries, working on demanding problems in challenging environments.The roleThey are looking for a Senio ...

Software QA Engineer

Excellent opportunity for a Software QA Engineer to join brilliant client's team based in Brighton. As a QA Engineer, you will be responsible for introducing and maintaining new technologies whilst utilising the latest industry software and practices. You'll become a vital part of an already successful software ...

Control / Software Engineer

Controls / Software Engineer£45-55k + Bonus, Private Medical, Flexible Hours & Early Friday FinishLancashireRef: 24118Ready to work on bespoke automation and process control systems for customers across multiple industries?This is an exciting opportunity for a Controls / S ...

Principal Software Engineer

Principal Software EngineerWe are looking for a highly experienced Principal Software Engineer with strong backend engineering expertise and a passion for scalable distributed systems. You will play a key role in shaping architecture, engineering standards, and technical direction across the platform.Joi ...

C++ Software Engineer

Software DeveloperUp to £55kRemoteC++, JUCE Framework, PythonBenefits:25 Days holiday (increases to 30 with length of service)Cycle to work schemePensionI am working with a well-respected UK client looking for a software developer using C++ and JUCE framework.They are looking ...

Lead Software Engineer

Lead Software Engineer£75,000 to £85,000 + Private Healthcare + Enhanced PensionWinchester (Hybrid, 4 days per week in the office)Are you a senior software engineer looking to take end to end ownership of a complex, real-time distributed platform that integrates directly with mission-critical har ...

Electrical Software Engineer

Electrical Software EngineerLocation: West YorkshireSalary: Up To £60K DOE.We are seeking a highly skilled Software Engineer with a strong electrical engineering background to support the development, modification, and optimisation of industrial automation systems. The ideal candidate wil ...

Senior Software Engineer

We're looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! MBDA is a great a place to learn about the company's entire product portfolio, whilst embracing the change to DevOps and other innovative technologies!Salary: £40,000-£75,000 depend ...

Software Security Engineer

Stevenage Would you like to be part of a group of specialist engineers helping to deliver some of the world's most sophisticated defence systems? We are currently recruiting for a software security expert, to work across a range of our products!Salary: Circa £74,000 depending on experience<br ...

C# Software Engineer

Bristol We have an exciting opportunity for a proactive and passionate C# software developer to join our Weapons System Simulation and Experimentation (WSSE) team!Salary: Up to £57,000, depending on experience& gradeDynamic (hybrid) working: 2- 3 days per week on-site due to workload ...

AI Software Engineer

AI Software EngineerPermanentLocation: Leeds – Hybrid (3 days onsite Wednesday & Friday fixed + 1 day of your choice)Industry: Legal ServicesAbout the ClientOur client is one of the largest direct conveyancers in England and Wales, operating at the forefront of the UK property mar ...

Application Software Engineer

Application Software EngineerLocation: Fareham, Hampshire Salary: Up to £65,000 DOE + BenefitsWe are seeking an experienced Application Software Engineer to join a leading engineering team developing innovative software solutions for advanced underwater robotics systems. This is an exciting o ...

Chief Software Engineer

OverviewAn established engineering organisation delivering secure, mission-critical technology solutions is seeking a Principal Software Engineering Manager to provide technical leadership across a portfolio of complex development programmes.This role combines strategic software leadership with h ...

Principal Software Engineer

About WeBuild-AI:WeBuild-AI are AI natives delivering 10x value for enterprise organisations. We combine highly skilled experts with our AI Launchpad, industry-aligned language models, and agents to transform ente ...

Graduate Software Engineer

Based in Cambridge this rapidly growing tech firm is revolutionising products within the online meeting space. As a graduate software engineer for this firm you will work on everything from research and design to testing and delivering features across their entire product range. You will be part ...

Principal Software Engineer

Position Overview Autodesk is on a mission to transform its offerings by introducing AI Platform. We are seeking a forward-thinking Principal Software Engineer to join our dynamic AI Platform engineering team. If you’re driven by passion and innovation, this is your chance to shape the ev ...

Software Engineer (Compilers)

At Universal Quantum, we aim to make the world a better place by engineering the future of computing. 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 o ...

Software Integration Engineer

Job DescriptionJoin our team as a Software Integration Engineer and play a key role in delivering complex, mission‑critical systems within the defence sector. This role sits at the intersection of embedded software, communications, and system integration, supporting ...

Senior Software Engineer

We are supporting a leading Robotics & Technology company based in Cambridge who are looking to add a Senior Software Engineer to their growing team. This is a full-time permanent position with hybrid working. International travel may be required.Key responsibilities will include: * Lead on ...

Embedded Software Engineer

I'm recruiting for a small business in Cheltenham who are looking for an Embedded Software Contractor on a 6 month contract (outside IR35).The work is based around Zephyr RTOS on Nordic chips. Previous experience on Zephyr would be hugely beneficial for this.** Work can be done remotely after an initial ...

Software Engineer (C++)

C++ Engineer Certain Advantage are hiring for a C++ Engineer based in London. This role is on an initial contract till the end of the year and is hybrid. The company We’re working with an organisation that operates globally, helping power homes, transport, and industries with the ...

Senior Software Engineer

We are supporting a pioneering biotech company based in Cambridge who are looking to add a Senior Software Engineer to their growing team. This is a full-time permanent position.Key responsibilities will include: * Take ownership of the design, development and testing for software applications.< ...

Embedded Software Engineer

Embedded Software Development Engineer | Slough | Circa £50,000I’m recruiting on behalf of an innovative product development consultancy for an Embedded Software Engineer to join their growing team in Slough.The RoleYou’ll develop embedded software and firmware (C/C++), working on cutting ...

Senior Software Engineer

Senior Software Engineer (C++ / Embedded)Working with a specialist defence technology business delivering mission-critical systems, we’re looking for a Senior Software Engineer to join a high-performing team.You’ll work across the full lifecycle from architecture and design through to integration and acc ...

Senior Software Engineer

Senior Software Engineer (Ada, Simulation / C2 Systems)Based onsite in StevenageSalary up to £64,000 + Bonus | Overtime | PensionThis isn’t a feature factory role.You’ll be working on simulation software that underpins command-and-control systems, where stability, determinism, and ...

Principal Software Engineer

Principal Embedded Software EngineerBristol (Hybrid)Salary: Up to £80,000I’m currently recruiting on behalf of a highly innovative technology business working at the forefront of embedded safety-critical systems. This is an excellent opportunity for an experienced Senior Principal Embedded Softwa ...

Electronics Software Engineer

Electronic Software Engineer Ulverston, Lake District Up to £50,000We're working with a growing engineering team based in the Swarthmoor area who are looking to add a talented Electronic Software Engineer to their business.This is a fantastic opportunity to be involved in the full product ...

PLC Software Engineer

PLC Software Engineer – South Yorkshire / Sheffield – PLCs / Process Control / System Integration – £50-65kSamuel Frank is recruiting for an experienced PLC Software Engineer to join a well-established and growing South Yorkshire based system integrator. This PLC Software Engineer role will suit somebody ...

Senior Software Engineer

Senior Software Engineer - £75,000 (DoE)Title: Senior Software Engineer (C++)Client: Graphics TechLocation: CambridgeSalary: Up to £75,000 (DoE)This is an opportunity for a Senior Software Engineer to join a small team leading a niche within the graphics-tech industry. You ...

Software Validation Engineer

Join a cutting-edge engineering environment as a Software Validation & Verification Engineer. Build robust V&V frameworks, test safety-critical software and influence best practice on new products. Agile team, hands-on role, long-term progression and UK security clearance eligible.Software Validation ...

C# Software Engineer

This C# Software Engineer role sits at the heart of serious manufacturing automation. You’ll be building and improving software that talks directly to a wide range of real-world equipment including power supplies, acquisition systems, cameras and test hardware - with plenty of scope for developing skills in para ...

PLC Software Engineer

Job Opportunity: Electrical Engineer - PLC Engineer (Water Sector) Location: Central England/East Anglia Rate: up to £60an hour Contract Duration: 6 - 12 months Are you an experienced Electrical Engineer with a passion for automation and control systems? We're seeking a talented PLC Engineer to j ...

Embedded Software Engineer

About UsDTC | A Codan Company is a technology company based in Whiteley, Hampshire. We specialise in the research and development of wireless and critical RF communication systems.Our engineers work on advanced wireless technologies used across defence, uncrewed systems, government, and broadcast ...

Software Engineer Manager

| Software Engineering Manager | Southampton | Hybrid Role |Hexwired Recruitment is working with a leading engineering and technology business looking to hire a Software Engineering Manager.Leading a team of experienced software engineers developing, optimising, and testing real-time software sol ...

Software Engineer Rust

Software Engineer – Rust / Instrumentation Location: Newbury, Berkshire (Hybrid) Type: Permanent Salary: £45,000–£60,000 A small engineering company developing bespoke instrumentation, automation and data acquisition systems is looking to hire a Softwar ...

Embedded Software Engineer

Embedded Software EngineerLocation: 3 days/week in LondonContract Length: 12 MonthsDay Rate: £50-65 per hourSecurity Clearance: SC Eligible or Active SC PreferredStart Date: ASAPOverviewI am seeking an experienced Embedded Software Engineer to support the d ...

Graduate Software Engineer

Graduate Software EngineerWhen registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed.Are you a current university student looking for an exciting graduate opportunity in Octo ...

Software Test Engineer

World Class Defence Organisation is currently looking to recruit a Software Test Engineer subcontractor on an initial 12 month contract.Rate: £65.00 per hourLocation: Stevenage Hybrid / Remote working: 4 days a week likely onsite. A compressed 4 day week (Monday to Thursday) a possibility.Co ...

Embedded Software Engineer

Embedded Software Engineer - Motor Drives Location: Worthing Salary: £75,000 Working Arrangement: Typically 3 days onsite, 2 days from homeKO2's client is looking for an experienced Embedded Software Engineer to join a growing engineering team developing advanced motor drive technology for a ...

🚀 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

    Full Stack Software Engineer Javascript React Elixir Jobs in United Kingdom Job Search Guide, Trends and Insights