2,484,401+ 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

Embedded Software Engineer Location: Stroud, Gloucestershire Salary: Up to £70,000 KO2's client is a fast-growing, well-funded tech start-up developing advanced sensing and monitoring systems using low-power embedded platforms, intelligent signal processing, and secure wireless connectivity. The Role You'll lead ...

Software Engineer Rust

Software Engineer (Rust) Cheltenham / Hybrid My client is looking for an experienced Software Engineer with strong Rust expertise to join a growing UK technology business delivering secure software and communications solutions into the national defence sector. This is an opportunity to work across live programme ...

Senior Software Engineer

Do you want to work for a company that goes the extra mile for its customers, colleagues and communities? Are you resilient, efficient, and productive? Can you lead by example? If so, then why not join our family. At Iceland, we value, recognize, and celebrate all colleagues for their good work. We pride ourselv ...

Ardupilot Software Engineer

Ardupilot Software Engineer Vacancy Reference: CLA- 415 Position: Full-time Location: Salisbury, Wiltshire, UK Salary: £50,000 - £60,000 At Callen-Lenz, we are expanding the limits of what is possible. We specialise in crewed and uncrewed aircraft operations and te ...

Principal Software Engineer

Based in Oxford, you will join a highly experienced and growing Software Development team building innovative, cloud-based software that supports major decisions in the global energy transition. Our platform is built on AWS using a microservices architecture, with back-end services implemented in T ...

Software/Firmware Engineer

Department: EngineeringReporting to: Electronics and Software Team Leader The Software/Firmware (embedded software) Design Engineer will participate in the specification, design, development and test of new products. Security Due to the nature of the work all ca ...

Staff Software Engineer

At TixTrack, we support our clients by creating superior ticketing solutions for performing arts and cultural institutions through a combination of modern technology, beautifully simple design, and the art of listening. Founded in Los Angeles, we are a small, but growing team of hardworking, highly ...

Software Applications Engineer

FBI & TMT is hiring a Software Applications Engineer based in Maidstone, Kent, South East, UK . This is a Full time opportunity (£40,000). Our client, a well known business in the construction/technology sector, is seeking a skilled Software Engineer with expertise in ...

Java Software Engineer

At Jacobs, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery, and cutting‑edge manufacturing, turning abstract ideas into realities that transform t ...

Staff Software Engineer

Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of ...

Staff Software Engineer

Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of ...

Operational Software Engineer

Our Capability Development team develops bespoke software for our clients in the Cyber Security domain. We may be building assured software that prioritises engineering rigour and reliability, rapid cyber solutions that stitch together tooling for high‑impact results, or blended operational systems that ad ...

Java Software Engineer

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? Location: Hybrid working in Central London We are very excited to once again be partnered exclusively with London ...

Principal Software Engineer

Crossing Hurdles is a global recruitment consultancy assisting one of Europe’s leading software investors’ AI product incubators in hiring a Principal Software Engineer to build and scale real-world AI products used by thousands of customers worldwide. This team operates like a seria ...

Software Engineer (Rust)

Software Engineer – Kernel Team Hyperexponential (hx) is building an AI‑powered platform that enables critical decisions in a $7 trillion industry. The Kernel team builds the execution engine that evaluates, validates, and runs customer models at scale, allowing insurers to make correct, performa ...

Staff Software Engineer

Who We Are: Alpaca is a US‑headquartered self‑clearing broker‑dealer and brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. Our recent Series D funding round brought our total investment to over $320 million, fueling our ambitious vision. Amongst our ...

Staff Software Engineer

Location London Employment Type Full time Location Type Hybrid Department Technology The role Following our recent $30M Series B funding, we're expanding the team to accelerate development of our legal technology products tha ...

Software Engineer London

About Flow Flow Engineering is an AI-native requirements platform for modern engineering organizations, enabling hardware teams to collaborate with AI agents to design, validate, and evolve complex systems with speed and rigor. About the role Flow is seeking softwar ...

Principal Software Engineer

About the Role We are seeking a Principal Software Engineer based in London to provide technical leadership across backend services supporting our global payment gateway system. You will design and evolve core platform capabilities, guide architectural decisions across microservices, and ...

Software Engineer, Enterprise

Location London; Stockholm Employment Type Full time Location Type On-site Department Engineering TL;DR We're looking for an exceptional Fullstack Engineer to build the enterprise foundation of Lovable. You'll own the w ...

Software Engineer, Databases

Production Database Automation Engineer As a Production Database Automation Engineer, you will deliver solutions to complex automation, remediation, monitoring and capacity management problems. The Production Database team is responsible for building and supporting multiple database technologies ...

Java Software Engineer

Job title: Mid-Level Software Engineer Client: Fintech Salary: Competitive Salary + Benefits Location: London The Role We’re currently supporting a well-established player wit ...

Kubernetes Software Engineer

Company Overview We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world‑class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas ...

Software Engineer (Frontend)

About Nevis Nevis is building the world’s first AI wealth management platform. In just 9 months, Nevis has grown to have over $50 billion of assets under management on its platform and is on track to have over $100 billion by the end of this year. Nevis is also backed by world lea ...

Java Software Engineer

Location: Hybrid working in Central London Salary: up to £120,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s latest spinout company. Leveraging cutting‑edge techniques with the latest technologies, th ...

Software Engineer Backend

LiveRamp is the data collaboration platform of choice for the world’s most innovative companies. A groundbreaking leader in consumer privacy, data ethics, and foundational identity, LiveRamp is setting the new standard for building a connected customer view with unmatched clarity and context while prote ...

Software/Firmware Engineer

Job Title Software/Firmware Engineer Location Sandwich, Kent Contract Permanent Compensation Competitive Rate Overview Our Client seeks a skilled Software/Firmware Engineer to design, develop, and test embedded software and applicatio ...

Data & Software Engineer

Data & Software Engineer | London | £50,000 to £60,000 We’re looking for a hands on Data & Software Engineer to join a growing Technology & Data team building internal tools, automation, and scalable systems that support core business operations. This is a new opportunity within the team, o ...

Data & Software Engineer

Data & Software Engineer | London | £50,000 to £60,000 We’re looking for a hands on Data & Software Engineer to join a growing Technology & Data team building internal tools, automation, and scalable systems that support core business operations. This is a new opportunity within the team, ...

Software Engineer (Mobile)

Mobile Software Developer Software Developer Full-time. London, UK About the Company MOBILUS Labs is a completely reinventing the way we experience voice communication. We are a tech startup with the mission to provide frictionless voice communications for teams of any size, ...

Software Engineer (Test)

About the role Ensera Design is a world‑class user‑centred innovation and product development consultancy, specialising in the medical and consumer health sectors with offices in Bristol, Colorado and New Jersey. As part of Ensera, we collaborate globally with contract manufacturing facilities in ...

Graduate software engineer

Evernote is a note-taking and organization platform that millions of users rely on for powerful note taking, project planning, personal knowledge management, and more. Now part of Bending Spoons, it plays a key role in a portfolio of outstanding digital businesses united by a shared focus on innovation and ...

Lead Software Engineer

MAIN PURPOSE OF THE ROLE & RESPONSIBILITIES IN THE BUSINESS: As a Lead Software Engineer in Kainos, you’ll be responsible for leading teams and developing high‑quality solutions which delight our customers and impact the lives of users worldwide. It’s a fast‑paced environment so it is important f ...

Java Software Engineer

Ours is a globally distributed, full stack java tech team and our building blocks consist of a set of Microservice components, backend APIs, Rich UI, robust Eventing Platform and Data layer components utilising a wide range of modern technologies including: Java, RxJava, SpringBoot ...

Software Engineer (Platform)

Scale GP (Scale Generative AI Platform) is an enterprise-grade Generative AI platform that provides APIs for knowledge retrieval, inference, evaluation, and more. We are looking for a strong engineer to join our team and help us build and scale our product in a fast-paced environment. The ideal candidate w ...

Plc Software Engineer

PLC Software Engineer Location: Cambridge OutskirtsCirca: 50,000 DOE Coates Recruitment is working with a well-established and growing manufacturer of bespoke process machinery, seeking a Software Engineer to join their engineering team. This is an excellent opportunity for s ...

Principal Software Engineer

Overview Principal Software Engineer – (Golang, Auth & Identity). We've partnered exclusively with a scaling infrastructure company that's fundamentally transforming how digital and physical components interact in the age of AI. Their core mission is to empower teams to build and deploy sophistic ...

Electrical Software Engineer

Electrical Software Engineer Location: West Yorkshire Salary: 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 ca ...

Senior Software Engineer

Worker Type Employee Application End Date We are using and creating technology to transform operations at sea to enable people and the planet to thrive. We are open-minded and fearless in our approach to innovation and don't believe in boundaries. We challenge ever ...

Graduate Software Engineer

At MHR, Our Employees are Central to Our Success Our employees play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or individual employees. As businesses face rapid chang ...

.Net Software Engineer

About the Role At NewDay Cards Ltd, we are on an ambitious mission to redefine the future of financial technology. As a Senior .Net Engineer you will be an integral part of a dynamic team that is dedicated to delivering groundbreaking and flawless solutions. Here you have the opportunity to work ...

Software engineer, intern

Overview At Bending Spoons, we’re striving to build one of the all-time great companies. A company that serves a huge number of customers. A company where team members grow to their full potential. A company that functions at unparalleled levels of effectiveness and efficiency. A company that crea ...

Software Engineer II

We are looking for a Software Engineer II to take ownership of meaningful parts of our platform, shipping the features that universities depend on every day. CrunchTime is being built from the ground up as the modern alternative to legacy timetabling systems, and we need engineers who can move fast, think ...

Software Applications Engineer

Saab UK is part of Scandinavia's largest defence company, bringing together the best of Swedish and British innovation. Saab offers world-leading solutions and services in defence, aviation, space, and civil security to keep people and society safe. Our UK presence has been growing at pace, meaning we can ...

Software Design Engineer

Location North West UK – Cheshire (must be based in the region). On-site 5 days per week (38 hours) with global travel required. About the Role We are seeking an experienced Software Design Engineer to join a specialist engineering team delivering advanced auto ...

Java Software Engineer

You must have the relevant Right to Work in the UK – no VISA sponsorship can be provided for this role. The Company We are working with a leading financial services organisation who are investing heavily in their technology function. As part of an ongoing digital transformation pr ...

Software Engineer, Ring

Description As a Software Engineer, you will be a core member of a software team developing Ring's next generation of camera‑centric devices. While experience with embedded systems is valuable, we are looking for engineers passionate about building IoT products who are eager to work close to the ...

Principal Software Engineer

# Principal Software Engineer###### Team:Technology - UK###### Location:Leeds###### Work Model:hybrid###### Work Type:Permanent**Hi, we’re PEXA!**We know you’ll Google us before applying, so let’s keep this brief. PEXA revolutionised the way that property is settled in Australia, turning a paper-based process in ...

Software Test Engineer

About the Role We are looking for a Robotics Test Engineer to support software release validation, policy evaluations, and end-to-end metrics collection on our humanoid robots. You will work alongside our Test Team, owning day-to-day execution and growing into deeper HIL and automation re ...

Senior Software Engineer

We’re not adding AI features - we’re rebuilding what’s possible! Gecko builds software that helps the world’s leading universities connect with their students. We’ve facilitated over 200 million interactions across well over 150 institutions globally, and right now, we’re at one of the mo ...

🚀 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