2,330,368+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring July 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

IT Deskside Support Engineer

About the job IT Deskside Support Engineer Join Our Dynamic IT Support Team! About the Role: Are you an ambitious IT professional looking to take your career to the next level? We have an exciting opportunity for a Deskside Support Engineer in our London o ...

Quality Engineer

Overview Gravitee is a global API management platform with a strong open source foundation. We are recruiting for a QA Engineer (manual testing) to join our team in Greater London, United Kingdom. This role focuses on improving the efficiency of our software development process and the quality of ...

Field Service Engineer UK North West

Overview UVeye is expanding into the UK market and is seeking a Field Service Engineer to join the UK Operations Team. The role involves on-site installations, directing contractors as the Lead FSE, and serving as the primary technical point of contact for customers to deliver a seamless i ...

Senior DevOps Engineer UK wide

Security Clearance: Active SC Clearance (Strict Requirement) Employment Type: Full-time, Permanent Role Overview We are seeking a highly skilled and motivated Senior AWS DevOps Engineer to join our rapidly growing digital transformation team. In this role, ...

Hardware Development Engineer (UK Citizenship required)

About Us One team. Global challenges. Infinite opportunities. At Viasat, we’re on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We’re looki ...

FPGA & Electronics Engineer

Opportunities like this don't come around often. We're partnering with an innovative engineering technology company that develops advanced monitoring and diagnostic products used to protect critical infrastructure around the world. Their technology helps customers identify potential failures before ...

Fixed Wire Test Engineer

Fixed Wire Test Engineer Department: Field Team Employment Type: Permanent - Full Time Locations considered: North Yorkshire, Sheffield, Bristol or Northampton, home based Salary: £36,000 - £39,000 / year (based on location) Descrip ...

DevOps / Release Engineer (SC or DV Cleared)

DevOps / Release EngineerCentral Government | Terraform | CI/CD | Azure DevOps | SC Cleared | Hybrid | Competitive RateThe RoleWe are seeking an experienced DevOps / Release Engineer to develop and maintain the CI/CD pipelines, Infrastructure as Code and automated de ...

Front end Web Developer

AVEVA is creating software trusted by over 90% of leading industrial companies.Job Title: Front-end Web DeveloperLocation: Cambridge, United Kingdom (Hybrid)Employment Type: full-timeThe jobWe’re looking for a front-end web developer with e ...

Project Process Engineer

Process EngineerDroitwichCompetitive salaryOur client is a well-established manufacturer that designs and manufactures custom products. As a Process Engineer, you will be responsible for managing NPI projects from initial concept to final customer approval, ensuring efficient manufacturin ...

BMS Service Engineer

We are looking for a BMS Service Engineer who wants to work in a diverse role where no two days are the same.Our client is one of the largest facilities management and maintenance contractors in the UK, offering market leading opportunities for talented professionals looking for long term career progression. ...

Public Health Design Engineer PHDE – Contract

Public Health Design Engineer – Contract -Location: Fully RemoteRate: £40 – £60 per hour, depending on experienceContract Type: Contract / FreelanceWe are recruiting for an experienced Public Health Design Engineer to join a busy building services consultancy on a contract basis.This is a ful ...

Graduate Mechanical Design Engineer – Automation & Innovation

A global engineering company in the UK is searching for a Graduate Mechanical Design Engineer. In this role, you will work with experienced engineers to develop innovative automation solutions in diverse industries. You are expected to have a degree in Mechanical Engineering and experience with 3D modelling soft ...

Lead ISP/Video IP Verification Engineer

Arm Limited is seeking an experienced verification engineer for their Systems Media IP team in Manchester. This position involves verification ownership of IP projects related to Image Signal Processors and Display Processors, providing a great opportunity to influence technology in various markets. Th ...

AI Internal Tools Engineer — Remote, Equity

GoCertify Ltd is seeking an AI Product Engineer (Internal Tools) to enhance their internal operating system and support their Go-to-Market strategy. This fully remote role, while UK-based, includes monthly meetups in London. The ideal candidate should have strong software engineering skills, experience ...

Electrical Design Engineer | Hybrid & Fast Track Career

A leading engineering consultancy in Greater London seeks an experienced Electrical Design Engineer to join their innovative team. You will design cutting-edge electrical systems for diverse projects in key sectors including healthcare, education, and commercial. The role offers up to £47,000 plus benefits, incl ...

Research Engineer Synthetic Environments for AI Agents

Axiōma Search seeks a skilled engineer to build training and evaluation environments for agentic systems. You'll create synthetic websites and workflows reflecting real-world tasks. Ideal candidates possess strong software engineering skills in Python, with experience in reinforcement learning and simulations ...

Senior Highways Design Engineer Hybrid & Flexible Hours

A leading engineering firm in the UK is seeking a Senior Highways Design Engineer to join their Highways team. This role requires collaboration with various agencies and the delivery of highway design projects. The ideal candidate will have a BEng in Civil Engineering and experience with design software. The fir ...

Lead Electrical Engineer: Hybrid & Sustainable Buildings

A renowned engineering consultancy based in Manchester seeks a Principal Electrical Engineer to lead the delivery of high-quality, sustainable engineering solutions. The role involves managing project teams, ensuring the technical excellence of designs, and promoting services to clients. Candidates should have e ...

Lead Motorsport Electronics Design Engineer

Haas F1 Team, based in Banbury, UK, is seeking an Electronics Engineer to support the design and installation of electronic systems for Formula 1 cars. The role involves collaborating on high-performance designs to meet strict regulations. Ideal candidates will have a degree in Electronics or Electrica ...

Senior Design Engineer – Mechanical & Sheet Metal (Hybrid)

A leading manufacturer in the Plymouth area seeks an experienced Senior Design Engineer to contribute to the design and development of high-quality products. The role involves customer collaboration, design leadership, and product innovation, with a focus on mechanical and sheet metal components. Candidates shou ...

Senior Mechanical Engineer Lead Building Services Design

Hoare Lea is seeking a Principal or Associate Mechanical Engineer for their Birmingham office. In this role, you will take charge of leading design delivery for complex building services projects. You'll manage and prioritize the internal delivery team while maintaining client relationships and ensuring timel ...

Senior Geotechnical & Foundation Design Engineer

A leading construction engineering company in Ipswich is looking for a Senior Design Engineer to deliver robust foundation design solutions for major projects. The ideal candidate will have a degree in Civil, Structural, or Geotechnical Engineering and 5 to 8 years of relevant experience. Responsibilities includ ...

Senior Mechanical Engineer Data Centre & Mission Critical

A leading engineering consultancy in Leeds seeks a Principal Mechanical Engineer to deliver high-quality, sustainable solutions in Data Centre projects. The role involves leading design delivery, managing client relationships, and ensuring project success with a focus on innovation. Ideal candidates will hold Ch ...

Lead Mechanical Design Engineer – Infrastructure

An engineering business specializing in movement control systems seeks a Mechanical Design Engineer in Sheffield. This role requires strong technical competence and involves designing mechanical components and structural assemblies. Ideal candidates will have a degree in Mechanical Engineering, proficiency in CA ...

Senior Design Engineer – Geotech & Structural (Sizewell C, 2yr FTC)

EDF Energy is seeking a Senior Design Engineer for a 2-year FTC at Sizewell C in Ipswich. As part of the team, you will manage foundation design works and ensure compliance with project specifications. Preferred candidates will have a degree in Civil, Structural, or Geotechnical Engineering and proficiency in re ...

Senior Electronics Design Engineer – High‑Speed Audio & RF

Naim Audio Ltd in Salisbury is seeking a Senior Electronics Design Engineer to join their R&D team. You will design cutting-edge electronics circuits for HiFi systems and collaborate closely with embedded software, mechanical designers, and test engineers. Ideal candidates should have a strong backgrou ...

London ML Engineer: AI CAD & Simulation, 4 days in office

A cutting-edge tech company based in London is seeking an experienced engineer to take on a hands-on role in developing AI-powered software solutions. You will collaborate directly with the CTO to design vital product functionalities, focusing on numerical optimisation, physical simulation, and advanced robotic ...

Senior Temporary Works Engineer Lead Major Projects

A leading international design consultancy based in London seeks a Temporary Works Engineer with at least 5 years of experience. The successful candidate will manage substantial projects, up to £100 million, closely collaborating with the permanent works team. The role requires the right to work in the UK and de ...

Production ML Engineer AI for National Security

A technology company in Cheltenham is looking for a Machine Learning Implementation Engineer to enhance AI models into production-ready software. You will be responsible for maturing complex algorithms, integrating them into larger systems, and ensuring they are robust and scalable. The ideal candidate should po ...

Senior Ruby on Rails Engineer — AI Health Platform

Jack and Jill AI is seeking a Senior Software Engineer to design scalable backend architectures using Ruby on Rails. You'll work in a collaborative and high-autonomy environment at the forefront of health-tech, integrating AI-driven insights into personalized health journeys. The role offers a wellness-focused c ...

Senior Data Platform Engineer (Trading Systems)

A leading Investment Manager in the UK is seeking an experienced Software Engineer for an initial 6-month role that could lead to permanent employment. The position involves working within a core engineering team to develop and enhance data and infrastructure platforms supporting systematic trading strategies. T ...

Senior Electrical Engineer – High Voltage & Critical Systems

Ramboll is seeking a Senior/Principal Electrical Engineer to join their Critical Systems Team in Southampton. This role involves providing electrical design expertise, particularly in high voltage systems, while mentoring junior staff and managing project work. The ideal candidate will have a track rec ...

Platform Engineer – Fintech Cloud & Automation

A leading financial services firm in the UK seeks a Platform Engineer to join the platform team. The role focuses on developing secure, high-quality production code and deploying Kubernetes applications. Ideal candidates should possess hands-on experience in software engineering and cloud technologies. The compa ...

Senior AI Driven Engineer | Build Autonomous Ad Engine

Adzact in the United Kingdom is seeking a Senior Engineer to build an autonomous B2B ad engine. This role focuses on developing core platform systems and involves working with cutting-edge technologies like Python, AWS, and Docker. Candidates should have over 5 years of software delivery experience and an owners ...

Senior AI Engineer — Human Centric LLM & Systems

A cutting-edge AI development company is seeking a Senior Software Engineer to work in a hybrid role in London. This position focuses on developing innovative AI solutions, requiring deep proficiency in TypeScript and a background in disruptive technologies. The ideal candidate will enjoy building intelligent sy ...

Senior Embedded UI Engineer for Live Streaming

A leading streaming platform seeks a Senior Software Engineer to innovate on core features for the Roku platform. You'll enhance user experience through embedded UI development and work on complex features with a talented team. The ideal candidate is experienced in embedded C++ and Typescript, understands core O ...

Senior Cloud Infra Engineer Go & Kubernetes

A leading tech company in Greater London seeks a Cloud Infrastructure Software Engineer to design and maintain Golang services for their streaming data platform. You will ensure the performance and availability of the cloud infrastructure and work alongside other engineers to build a powerful PaaS application. T ...

Senior Lead Backend Engineer – Services (Hybrid, London)

Capital One (Europe) plc is seeking a Senior Software Development Engineer in London, UK. This role involves leading a backend team in delivering complex projects and requires proven technical leadership and exceptional programming skills in modern OO languages, preferably Java. The position offers a hybrid work ...

Senior Platform Engineer — High Performance Trading

A technology firm focusing on trading platforms is looking for a Senior Software Engineer to enhance its trading platform. The role involves architecting solutions, optimizing performance, and ensuring system stability. Candidates should have deep experience with mission-critical distributed systems and be skill ...

Senior C#/.NET Engineer for Risk Systems (Hybrid London)

A financial services vendor in Central London is seeking a Senior Software Engineer with expertise in C# and .NET to join their dynamic team. The role involves immediate contributions to web application design and development, while also fostering collaboration and innovation. Ideal candidates have experience wi ...

Principal Platform Integration Architect

Broadridge Financial Solutions is searching for a Principal Development Engineer in London. This role will involve contributing to the technical architecture and integration design of the enterprise platform. The successful candidate will be responsible for project scoping, technical architecture documentatio ...

Senior Backend Engineer — SaaS Banking Platform

A technology firm in banking is seeking a Senior Software Engineer to lead projects and contribute to their award-winning platform. You will work primarily with Java and be involved in building new features and internal tooling. The ideal candidate has experience in cloud technologies like AWS and GCP, understan ...

Senior Go Engineer – Kubernetes Security & WAF

Cisco Systems is seeking a Senior Software Engineer to develop a Go-based control plane for traffic security in Kubernetes environments. You will be responsible for building and enhancing the management of an eBPF datapath, ensuring security in cloud and hybrid enterprise scenarios. The ideal candidate will have ...

Senior Ruby on Rails Tech Lead – Build, Guide & Influence

A leading experience commerce platform in London is seeking a Senior Software Engineer to develop core services and mentor team members. This role involves building and maintaining Ruby on Rails applications, optimizing performance, and collaborating with product leaders on technical strategies. The ideal candid ...

Senior Ruby on Rails Engineer & Tech Lead

Easol Trading Limited is seeking a Senior Software Engineer in Greater London to develop core services and mentor engineering talent. This role involves building and maintaining Ruby on Rails applications, leading teams, collaborating on product development, and ensuring high-quality engineering practices. You w ...

Senior JVM Kotlin Backend Engineer (Hybrid, London)

A leading technology firm is seeking a Senior Software Engineer to design and build essential backend services for a scalable marketing platform. The role requires a strong foundation in JVM-based development, preferably Kotlin, along with robust SQL experience and knowledge of automated testing. You will collab ...

Senior Backend Engineer, Flights Booking (Hybrid/Remote)

On the Beach is looking for a Senior Software Engineer to join their Flights Booking team in Manchester. You will build scalable backend systems to connect customers with flight providers and ensure a seamless booking process. This role requires strong skills in distributed systems and operational exce ...

🚀 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