2,029,239+ 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

Race Tech Software Engineer: Telemetry & Strategy

Red Bull Racing Formula One Team is seeking a skilled Software Engineer to contribute to their Technology & Analysis Tools department in Milton Keynes. This role involves working on critical software that powers race strategy, car telemetry, and vehicle simulation. Candidates should possess a Bachelor' ...

Software Engineer: AI Driven Validation & Performance

Arm Limited in Manchester is seeking an emerging software engineer for its Observe and Accelerate team. This role involves using AI-assisted workflows to validate software and improve performance analysis tools across various platforms. The ideal candidate will have 1-2 years of engineering experience, ...

Forward Deployed Software Engineer UK Government

Overview Forward Deployed Software Engineers (FDSEs) understand our customers' greatest pain points and design end‑to‑end solutions to address them. FDSEs solicit constant feedback on their work from both customers and colleagues, improving our products over time with rapid iteration cycles. FDSE ...

Senior Spacecraft Test Bench Software Engineer

Airbus S.A.S. is seeking an experienced Software Engineer to join the Simulation & Modelling team in Stevenage, England. This role will focus on designing and developing simulators and test benches, crucial for validating spacecraft functionalities. The company offers a supportive environment with a cl ...

Principal Software Engineer — Lead AI Platforms

Flawless is looking for exceptional software engineers to join their Product Engineering team in the UK. This role spans various seniority levels, including Senior, Staff, and Principal Engineer positions. You will collaborate with creative teams to help shape innovative AI-powered products such as DeepEditor ...

Staff Software Engineer Infrastructure: Scale Performance

Oliver Bernard is seeking a Staff Software Engineer – Infrastructure in London to lead the core data infrastructure for a cutting-edge AI startup. The role requires proven backend experience and proficiency in Python or Go. You'll oversee critical systems while helping scale the platform tremendously. ...

Software Engineer I, Forensic Intelligence (Hybrid)

A global technology company in Greater London is seeking a Software Engineer in Forensic Intelligence. You will develop features for forensic tools that aid public safety agencies in analyzing video evidence. Applicants should have a Bachelor's in Computer Science or related field and experience with TypeScript, ...

Senior Software Engineer (C++, Go, Java)

Senior Software Engineer (C++, Java or Go) Overview Ocho is delighted to be exclusively partnering with our client to recruit a Senior Software Engineer into one of the most successful and fastest-growing technology divisions within a global software organisation. This is a rare o ...

Low Latency Equities Risk Software Engineer

Barclays is seeking an Equities Risk Software Engineer in London to build high-performance Java services for risk functions. The role requires solid Java skills and a strong understanding of concurrency. Key responsibilities include developing scalable software, collaborating across teams, and ensuring ...

Senior C++ Software Engineer — Test Systems

AEROCONTACT is seeking a Senior Software Engineer to join their team in Stevenage, UK. In this role, you will design and develop advanced test software for complex systems, working collaboratively with various engineering teams. This opportunity involves using C/C++ to create robust applications and co ...

Research Software Engineer – Digital Scholarship & Outreach

Nationalmuseums is seeking a Research Software Engineer to contribute to the development of digital scholarship and public outreach activities. This role involves working within a multi-disciplinary team to create software for showcasing collections and assisting with research queries. The ideal candid ...

PLC Software Engineer – Hybrid, Travel & Growth

Coates Recruitment is seeking a PLC Software Engineer to join a well-established company in Cambridge. The successful candidate will develop and modify PLC and HMI software for bespoke machinery and automation projects. Benefits include a salary around £50,000 DOE, flexible and hybrid working opportuni ...

Founding Software Engineer | ClimateTech & Power Markets!

Founding Software Engineer – Energy Technology (London, Hybrid) We’re building software to support one of the defining infrastructure challenges of the coming decade: enabling better decisions across modern energy systems. Our team is creating tools used by industry practitioners to analy ...

Software Engineer (£80k + Equity) at REVAX

Job Title Software Engineer Salary £80,000 + Meaningful EMI Equity Location London, UK Company Description REVAX is a seed‑stage London startup backed by leading institutions and angels, building a new class of AI‑native software for tax advis ...

Graduate Software Engineer Storage & Cloud (Hybrid)

IBM is hiring a Graduate Software Developer in Hursley to join the FlashSystem engineering team. You will design and develop high-performance software solutions in a collaborative environment. The position requires a Bachelor's Degree and a passion for software engineering, with responsibilities includ ...

Java Software Engineer Associate Manager (Onsite)

Accenture UK & Ireland is looking for a Software Engineer (Java) at the Associate Manager level. The role involves delivering high-quality software solutions and working in an agile environment as part of a scrum team. Ideal candidates will have strong experience with Java, Spring Boot, and a solid understand ...

Mid Senior C++/Rust Software Engineer

Mid/Senior C++/Rust Software Engineer Location: Cambridgeshire Working Environment: Hybrid (3 days on-site / 2 days WFH) Package: Salary + Travel Allowance + Bonus + 25 days Holiday + Benefits This is an opportunity that offers the best of both worlds, providing the excite ...

VP Software Engineer Financial Services TWE44692

A global technology financial services firm providing risk management and execution services across energy and financial markets. The organisation operates internationally and supports a broad range of institutional clients including producers, traders, financial institutions and investment firms. ...

Smart Grid Software Engineer | IoT & Azure

UK Networks Services is seeking a skilled Systems Developer to work on innovative smart grid solutions in Ware, England. You will develop software for IoT edge devices and improve control systems while leveraging your experience with the Microsoft stack and APIs. This role offers a salary between £45,0 ...

Application Security Engineer Shape Secure Software

Palantir Technologies is seeking a Product Security expert in City of Westminster to ensure secure software development across products. This role involves performing thorough security reviews, collaborating with engineering teams, and leading pivotal security initiatives company-wide. Ideal candidates have a ...

Edge Platform Software Engineer Go & Python

NCR Ltd. in Bath, UK is seeking a Software Engineer specializing in Golang and Python to join their Voyix Edge Scrum team. In this role, you'll contribute to the development of a retail edge platform, handling the design, coding, and review processes. The ideal candidate will possess a degree in a nume ...

Staff Engineer, Software Autonomy Applications (R4962)

Founded in 2015, Shield AI is a venture‑backed defense‑tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software and V‑BAT and X‑BAT aircraft. With offices and facilities across the U.S., Europe, the Middle East, and ...

Staff Software Engineer: Backend & Cloud Leader

MARKS&SPENCER is seeking a Staff Software Engineer in Commercial Trading to create robust and scalable solutions for the business. You will lead software development efforts, ensuring high-quality output while mentoring other engineers. The ideal candidate has expertise in software engineering principl ...

Simulation Software Engineer Defence & Autonomy (UK)

Boeing is seeking a Software Simulation Engineer in Fleet, UK to support various defence and security domains. The role requires a Bachelor's degree in a relevant field and proficiency in C++. You will develop simulation models and visualizations while maintaining a strong emphasis on teamwork and ethical pra ...

Quant Research Software Engineer Trading Signals

Harrington Starr is seeking a Research Software Developer to join a leading quantitative trading firm. This role involves researching and developing predictive signals and trading models to improve trading performance. You will collaborate with researchers and engineers throughout the lifecycle of the ...

Embedded Software Verification and Validation Engineer

Verification and Validation (V&V) Test Engineer – Real‑Time Embedded Software Location: UK (Hybrid, 4 days on‑site, 1 day remote). Salary: Circa £64,000, depending on experience. Key Responsibilities Extract requirements and translate them into structured test cases and pr ...

C# Sensor Software Engineer in City

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine sector by ...

FX Client & Prime Software Engineer (VP)

FX Client & Prime - Software Engineer (VP) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. Fro ...

Software Engineer, Platform Cardiff, United Kingdom

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember mo ...

C++ Software Engineer — Airline Scheduling & Optimization

Decisal in Greater London is looking for a talented Software Engineer C++ to join their dynamic team. This role involves designing and developing cutting-edge software solutions to optimize airline planning and scheduling. The ideal candidate will have a strong background in C++ programming and a passion for ...

Software Engineer in Test Automation London

Our Commitment to Diversity, Equity and Inclusion We believe in the power of unique perspectives and want all voices in our organisation to be heard, respected and valued. A supportive workplace is one where employees feel they can be themselves and operate to their full potential. We are committ ...

Software Engineer: AI Driven Validation & Performance

Arm Limited in Manchester seeks an emerging software engineer to join the Observe and Accelerate team. This pivotal role involves developing performance analysis tools leveraged by engineering teams to enhance software understanding and performance on Arm platforms. The ideal candidate will have 1-2 ye ...

Software Engineer II (Forge Post Purchase)

MOO set out to shake up the world of print back in 2006. And we’ve come a long way since. Today we’re a 400+ strong team (we’re thinking of getting matching jackets) who create print and digital products for companies of all sizes – from Google and Airbnb to the guy who makes those amazing prints you found ...

Staff Software Engineer – Payments Platform (London)

Barclays is looking for a Staff Software Engineer based in London to enhance our Payments Acquiring business. You'll lead software improvements and guide engineering standards within a fintech culture, working collaboratively with product managers and designers. The role demands expertise in backend en ...

Secure Cloud Software Engineer: Microservices & DevSecOps

Addition Solutions LTD is seeking a Software Engineer to join their growing consultancy. You will be responsible for designing and building secure software applications that support mission-critical operations in complex environments. The ideal candidate has experience in UK Security & Intelligence and is pro ...

Market Risk AI Driven Software Engineer

LLOYDS BANKING GROUP is looking for a Market Risk Engineering Developer in Edinburgh to join a dynamic application development team. This role involves designing and supporting technical solutions, leveraging your extensive experience in software development. You will work closely with multi-skilled te ...

Software Engineer, HealthTech Data & Cloud (UK)

Flatiron Health is seeking a Software Engineer in Greater London to improve cancer care through data-driven technology. This role involves designing and developing innovative solutions while collaborating with teams across the U.S. You will contribute to team roadmaps and tackle meaningful challenges in healt ...

Lead HVDC Control & Protection Software Engineer

GE Vernova is seeking a Lead Engineer to design and develop modelling techniques for HVDC systems. The successful candidate will join a dynamic team responsible for creating control and protection application software, with a particular focus on design and development tasks that align with industry standards. ...

Senior Seat Systems Software Certification Engineer

Overview At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment that is welcoming, respectful and inclusive, with opportunities for professional growth. The Team The Software Engineering and Systems Integration team i ...

Open Source Quantum Software Engineer (Hybrid)

Riverlane, located in Cambridge, is seeking a Software Engineer to develop their Deltakit platform focused on quantum error correction. This role combines research and engineering, providing the opportunity to work alongside experts in quantum computing. The position offers a hybrid work model, a compr ...

Senior C++ Software Engineer Cyber Security

Senior C++ Software Engineer / Developer Cambridge / WFH to £80k Do you have strong backend C++ software development experience? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe ...

Software and Data Interrogation Project Engineer

About the Role GB Railfreight are seeking a skilled and self-motivated ETCS Software and Data Interrogation Project Engineer to join the ERTMS team. This role will support the next phase of ETCS delivery by developing, managing and maintaining the operational tools, systems and reporting needed f ...

Senior Real Time Embedded Software Engineer

AB Dynamics in Bradford on Avon is seeking a Senior Embedded & Control Software Engineer to design and deploy code for advanced automotive test equipment. The role involves working closely with leading automotive clients and ensuring high-quality product deliveries. The successful candidate will have p ...

Biomedical Test QA Engineer — Software & Hardware

Quality Start is seeking a Test Quality Assurance Engineer in Walsall, focusing on both software and hardware testing for medical devices. The role involves developing test strategies, writing test plans, and ensuring compliance with Quality Management System standards. A Bachelor's degree in a relevant engineer ...

Staff Software Engineer, AI Reliability Engineering

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working ...

Automation Software Engineer – Airports & High Throughput

ATA Recruitment is seeking an experienced Software Design Engineer to join their engineering team in Widnes, UK. This role focuses on designing and integrating software solutions for advanced automated material handling systems used in airports globally. The ideal candidate will possess a minimum of 5 ...

Software Engineer – Engineering Applications (Hybrid/Remote)

PDL Group in Hexham is seeking a Software Engineer to join the Digital Team, developing bespoke applications to enhance engineering workflows. This hybrid position allows for remote working with occasional travel to the head office for collaboration. Ideal candidates will have a degree in Mechanical En ...

Hybrid Software Engineer: Market Data & Analytics

TradingHub, based in Greater London, is looking for a Software Engineer to design, build, and maintain our market data environment and analytics. The ideal candidate will collaborate with Pricing Quants and Risk Strats to enhance data services, ensuring efficient production and problem resolution. We o ...

Software Engineer, Backend AI Practice Team

Job Description ABS is seeking an exceptional Backend Engineer to join us full time on our Artificial Intelligence (AI) Practice Team. In this role, you will design and scale high-performance backend systems that power real-time analytics and retrieval‑augmented generation (RAG) pipelines. You’ll ...

Customer Impact Forward Deployed Software Engineer

Northslope is seeking a Forward Deployed Software Engineer to help customers solve valuable problems through innovative AI solutions. The role requires close collaboration with stakeholders to build applications that enhance operational efficiency and make a measurable impact. The ideal candidate will ...

🚀 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

    Buffering Video...

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