2,113,732+ 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

Staff Embedded Engineer – ESL & BLE Systems

Qualcomm Technologies International Ltd is seeking a Software Engineer for their ESL team in Cambridge, UK to lead embedded software development on QCC710-based platforms. The ideal candidate will enhance existing firmware and drive Bluetooth innovation, contributing to standards. You'll need a Bachelo ...

Lead Python Engineer: Cloud, Security & Innovation

CGI Group Inc. is seeking an experienced Python Software Engineer in Leatherhead. The role involves developing innovative technical solutions for government agencies, requiring extensive Python experience and leadership skills. Successful candidates will have at least 7 years of experience in software ...

Linux Systems Engineer Kernel & Cloud Native Platform

A global technology company in London is looking for a Software System Engineer to focus on operating systems development within Linux environments. You will engage in troubleshooting, optimization of services, and collaboration with software teams. Ideal candidates should have experience with C/C++, Linux shell ...

Android SDET & QA Automation Coach

American Express is seeking a Software Engineer in Test specializing in Android automation. This role involves developing automated test frameworks and enhancing application quality through modern testing practices. The ideal candidate will have experience with Jetpack Compose and Kotlin, strong commun ...

Electrical Engineer: Design, Embedded Systems & Power

Academy Education Network Ltd is seeking Electrical / Electronic Engineers in Manchester to design and operate systems that generate, transmit, and use electrical signals. You will engage in circuit design and embedded software development while collaborating with mechanical and software engineers. Suc ...

Senior Staff Engineer Scalable AI Systems & Equity

Performativ - Wealth Management Software is looking for a Staff Software Engineer to tackle high-level technical challenges and enhance system scalability. You will resolve technical issues, design distributed systems, and leverage AI tools to improve workflows. Ideal candidates should have experience with produ ...

Lead Toolchain Engineer: EV Simulation & Infra

A cutting-edge technology firm located in the United Kingdom seeks a Lead Toolchain Development Engineer to spearhead the development of advanced simulation toolchains. You will optimize magnetic and thermal performance, manage integration of software components, and collaborate with DevOps teams. An ideal candi ...

Cloud Native Tech Lead: Architecture, Mentorship & Delivery

A leading technology firm in Greater London is seeking a Software Engineer / Tech Lead to drive the architecture and delivery of scalable cloud-native solutions. The role involves mentoring teams and championing secure software development practices. Candidates should possess strong experience with C#/.NET, Azur ...

AI Platform Engineer II — Data & AI Systems Leader

American Express Global Business Travel in London is seeking an AI Platform Engineer II to lead AI and data engineering solutions. You will collaborate with teams, mentor talent, and architect scalable software designs. The ideal candidate has a background in cloud technologies (AWS), software developm ...

Senior C++ Engineer — Hybrid AI Platform Lead

RedTech Recruitment is seeking a Senior Software Engineer in Cambridge to join their team focused on advanced AI-driven software solutions. You will design, build and enhance sophisticated platforms that tackle complex problems. Ideal candidates will have extensive C++ experience and a strong engineering back ...

Senior Backend Engineer – Java/Kotlin, AWS, AI/ML

Expedia, Inc. is seeking a skilled software engineer to design robust systems that enhance customer experiences. You will work on multi-domain solutions and integrate cutting-edge technology within a collaborative environment. The ideal candidate will have a Bachelor’s in Computer Science, with 5+ year ...

C++ ML & Statistics Engineer (Time Series)

A leading global software provider in the UK is seeking a skilled software engineer to develop and expand their data analytics solutions. This role demands significant experience in C++ programming and familiarity with statistical and machine learning methods. The ideal candidate should possess a degree in a tec ...

Security Cleared Ada Embedded Real Time Engineer

Advanced Resource Managers Ltd is seeking a Principal Software Engineer for a 12-month contract in Luton. This role involves supporting the design, coding, and testing of complex real-time embedded software in Ada, ensuring mission-critical quality to high integrity levels. Applicants must have expert ...

Senior Principal Engineer & Architecture Leader

A technology company in the United Kingdom is seeking a Principal Engineer to provide technology leadership and architectural oversight. You will work closely with senior leadership and contribute to the design and delivery of software products that enhance security. Applicants should have substantial experience ...

Lead Engineer, Electrified Powertrain & Transmission

Dana Canada Corp. is looking for a Lead Engineer to oversee software development for automotive embedded controllers used in electrified powertrain systems. The role involves technical leadership, project delivery, and team collaboration. The ideal candidate should have a Master’s degree in a relevant ...

Embedded Systems Engineer: HV Power, TMS320 & C Firmware

A global manufacturer of high-voltage power solutions seeks an Embedded Systems Engineer to design and implement embedded software for their innovative products. The ideal candidate will have a degree in Software or Electrical Engineering, experience with C programming, and familiarity with microcontrollers. Thi ...

Senior Embedded FW Engineer for High‑Speed AI SoCs

Kandou Bus SA is seeking an Embedded Software (FW) Engineer to join their team in Reading (UK). You will develop and maintain Embedded Software for AI ASIC products, focusing on high-speed, real-time firmware design. Successful candidates should have extensive experience with multicore systems and various sig ...

Automotive Systems Integration Engineer (Contract)

Contechs Consulting Ltd is looking for an Integration Engineer in Gaydon to lead the diagnosis of software and systems issues in automotive vehicle development. The role includes engagement with complex issues, data analysis, and coordination of software delivery across multiple ECUs. The ideal candida ...

Senior .NET Engineer – Azure, APIs & Agile Delivery

IMServ Europe Ltd is seeking a Software Engineer to design and build modern software solutions using C# and Azure technologies. The role involves working in an Agile Scrum team and contributing to continuous improvement and innovation. The ideal candidate will have strong experience with C# development ...

Hybrid C++ Engineer — Trading Systems (London)

A global hedge fund is seeking a skilled C++ Software Engineer to join a core technology team. This hybrid role involves designing and optimizing high-performance trading systems alongside traders and quants. The ideal candidate will have strong commercial experience in C++, a top-tier STEM degree, and a solid g ...

Remote Senior Frontend Engineer TypeScript & Angular

A climate tech startup is seeking a Senior Frontend Software Engineer to work on their renewable energy installer platform. This remote role involves building features in Angular, collaborating closely with the CTO, and utilizing your deep skills in TypeScript. The ideal candidate will have 4+ years of experienc ...

Commissioning Engineer

Commissioning Engineer | North Manchester | Overtime + Site UpliftAre you the type of engineer who enjoys seeing machinery come to life on site?We're recruiting a Commissioning Engineer for a North Manchester-based engineering business delivering bespoke automated systems into the manufacturing s ...

Principal Platform Engineer

About WatchTowr WatchTowr is the Preemptive Exposure Management capability trusted by Fortune 500 companies and critical infrastructure providers. By combining proactive threat intelligence, real attacker telemetry, and automated red teaming, WatchTowr continuously identifies and validates real e ...

Jig and Fixture Design Engineer

Summary: The Jig and Fixture Design Engineer will work closely with ‘Manufacturing Engineering’ and ‘Production’ to deliver Jigs and Fixtures that are robust and production ready in a time that is aligned to the main project deadlines.Your key responsibilities will include:< ...

Electronics Engineer

Are you an experienced Electronics Engineer with a passion for product design, innovation, and problem-solving? Do you enjoy developing electronic systems from concept through to manufacture? Are you confident working across multidisciplinary teams to deliver high-quality engineering solutions for aerospace, def ...

Platform Engineer (On Premise) 1 5 Years Experience Up to £130k + Industry Leading Bonus [...]

Overview Job Title: Platform Engineer (On-Premise) - 1-5 Years Experience Client: Elite FinTech Firm Salary: Up to £130k Location: London (Hybrid) Responsibilities Building scalable and performant observability infrastructure on a performant HPC cluster </ ...

Electronic Engineer

We’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 lifecycle, contributing to the design and development of innovative electro ...

Electrical Design Engineer

Are you an experienced Electrical Design Engineer looking for a stable, office–based role where you can develop your technical expertise and contribute to the design of advanced industrial systems? Job Title : Electrical Design Engineer Location : Huntingdon Salary ...

Electronics Design Manager

Electronics Design Manager - Glamorgan - Ref 2016 I am currently recruiting for an Electronics Design Manager to work for a cutting‑edge technology company based in Glamorgan. The organisation has been in operation for many years and are worldwide leaders within the design, development, and m ...

RF Engineer

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit an RF Engineer subcontractor on an initial 6 month contract. Hourly Rate: £75ph (Umbrella)Contract Duration: 6 Months (initially and then ongoing and long-term thereafter)RF Engineer Job Descr ...

Senior Principal Civil Engineer

Seeking a Senior - Principal Civil Engineer and shape innovative land development projects using Civil3D and sustainable design practices. Key skills required for this role Important We are seeking a Senior / Principal Civil Engineer with Chartered Engineer (CEng) status to join our m ...

Engineering Manager Electronics

About the role Electronic Engineering Manager in the Electronics team at SPT Labtech. Owns technical authority across electronics, motion control, and low-level system integration, while leading and developing a high-performing engineering team. Remaining hands‑on in design, architecture, and pro ...

Electronics Engineer

Electronics Engineer Guildford, Surrey £40,000 - £45,000 + Holidays + Pension + Life Assurance + Career Development Excellent opportunity for an Electronics / Electrical Engineer to join a global technology engineering business, supporting the development of advanced electro ...

Electronics Engineer – Embedded Systems & Testing

Electronics Engineer Guildford, Surrey £40,000 - £45,000 + Holidays + Pension + Life Assurance + Career Development Excellent opportunity for an Electronics / Electrical Engineer to join a global technology engineering business, supporting the development of advanced electro ...

Electrical Maintenance Engineer

Electrical Maintenance Engineer Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required.A fantastic opportunity has arisen for an electrical maintenance engineer to work for an internationally renowned ...

Senior Security Engineer

Senior Security EngineerRead the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required.Onsite in Bracknell & the SouthEligible for DV clearance£60-70k per annum + benefits package We are recruiting for ...

Mechanical Maintenance Engineer

Mechanical Maintenance Engineer Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required.A fantastic opportunity has arisen for a mechanical maintenance engineer to work for an internationally renowned e ...

Multi skilled Maintenance Engineer Electrical Bias

An excellent opportunity for a Multi-Skilled Maintenance Engineer to join a Global Engineering Automation business with fantastic benefits and career progression. Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are ...

Maintenance Engineer

Maintenance Engineer Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required.Location, commutable from Uxbridge, Middlesex Salary Up to £57,000 basic + Package A fantastic opportunity has ...

Quality Engineer (mechanical /precision engineering)

Quality Engineer (mechanical /precision engineering) c£up to 55k Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required.South East Permanent ABJ7649 As an experienced Quality ...

Solutions Engineer

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn’t work together. So we expanded into software and started buil ...

Staff/Lead Fullstack Engineer (Data Structures Expert)

What we are building Mimica's mission is to empower enterprises, teams, and individuals to reclaim their most precious resource — time and work more efficiently, with greater purpose and impact. Our AI-powered task mining observes employee actions across the desktop and categorizes them i ...

Systems Engineer Projects, Engineering, Manufacture

From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation. Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure ...

Lead Subsea Systems Engineer – Custom Projects

From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation. Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure ...

Security Test Engineer

Job Description Security Test Engineer Location: 4 days per wk in Glasgow / 1 day from home Salary: Circa 75k-80k + Benefits Security Test Engineer required by a Global Engineering Company! You'll be responsible for ensuring the security robustness of software and firmware components for their product portfolio. ...

Junior Structural Engineer

Job Description Junior Structural Engineer £26,000 - £32,000 + Training + Progression + Mon-Fri + Company Benefits Banbury Are you a Graduate Structural Engineer or similar looking to take your first steps into the industry with an engineering consultancy who offer excellent training and progression alongside th ...

DIG Integration Engineer

Job Description Our client, a prominent entity within the Defence and Security sector, is seeking a skilled DIG Integration Engineer to join their team in Christchurch. This is a contract role that will encompass a range of responsibilities within the Defence and Security domain, specifically supporting DIG - In ...

Controls Engineer

Controls Engineer / Control Software Engineer to c£65k neg dep exp plus benefits East Midlands - commutable from Nottingham, Leicester and Coventry Our client demonstrates almost 40 years' experience in the manufacture of bespoke automation and robotic systems for a range of industrial applications and are regar ...

🚀 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