2,234,662+ 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

Backend Engineer III (Java/Spring) Scale APIs & AWS

RELX is seeking a Software Engineer III in Oxford to enhance its document transformation and semantic enrichment workflows. The role focuses on building reliable backend services using Java, Spring Boot, and AWS. Candidates should have robust experience in backend development, testing practices like TDD, and wor ...

Senior DevEx Engineer — Build the Golden Path

On is seeking a Senior or Lead Software Engineer to join their Developer Experience team in Greater London. The role involves designing CI/CD pipelines, contributing to GraphQL infrastructure, and developing self-service tools for internal developers. Candidates should have at least 5 years of experience, strong ...

Remote Data Platform Engineer for AI Analytics & Pipelines

A leading motor insurance provider in Greater London is seeking a Data Software Engineer to join their Claims team. You will shape the architecture of data products, lead data transformation efforts, and collaborate with data scientists. The ideal candidate is an expert in batch data processing and proficient in ...

Senior Backend Engineer — Scalable AI HealthTech Platform

An innovative AI HealthTech firm in Manchester is seeking a software engineer to design and build high-performance services. The role involves making architectural decisions, collaborating with teams, and leading technical efforts. Ideal candidates will have over 5 years of experience with Python or Java, expert ...

Senior Hydraulics Engineer — Lead Water Infrastructure

A globally recognized engineering consultancy is seeking a Senior/Principal Hydraulic Engineer to lead technical execution across water and wastewater projects. This role involves conducting detailed hydraulic studies and leveraging advanced analysis software. Applicants should have a degree in engineering, sign ...

Cybersecurity Engineer Embedded & Hardware Security

Expleo is seeking a Cyber Engineer for a client engagement in Belfast. The role involves providing cyber engineering expertise across hardware and software projects, ensuring secure delivery throughout the project lifecycle. Successful candidates will have relevant cybersecurity education and certifica ...

Hybrid AI Engineer — LLMs, Retrieval & Automation

A dynamic startup in London is seeking an Applied AI Engineer to design and implement LLM-powered systems and workflows. This role offers a unique opportunity to influence the company's direction while collaborating closely with product teams. Ideal candidates have over 5 years in software engineering and experi ...

IT Engineer & Computer Repair Specialist

A technology services company in Rustington is looking for an IT Engineer. The candidate will be responsible for designing, installing, configuring, upgrading, and maintaining computer systems. Key tasks include diagnosing hardware and software issues, repairing components, and maintaining records of repairs. Ca ...

QA Engineer: Agile Testing & Automation (Ruby/Selenium)

A high-performing software company in Slough is seeking a QA Engineer to join their collaborative tech team. The role involves manual testing and the opportunity to learn test automation using Agile and BDD practices. Candidates should have experience with User Stories and SQL querying. Familiarity with modern t ...

End to End AI Hardware Systems Test Engineer

IC Resources is seeking a Hardware System Test Engineer in Bristol to focus on end-to-end testing of complex hardware systems used in AI acceleration. You will work across factory test and field-deployed environments to ensure product reliability through both hardware and software testing. The ideal ca ...

Senior Algo Trading Engineer Low Latency & SOR (AVP)

Citibank (Switzerland) AG is seeking a Senior Software Engineer for Algo Trading in London. The role involves designing and delivering algorithmic trading and Smart Order Routing (SOR) platforms, requiring strong technical expertise in Low Latency Java, C++, or Rust. Collaboration with traders and quantitative r ...

Bazel Build Systems Engineer Greenfield & Hybrid

5V Tech is seeking an engineer for a hybrid role to take ownership of Bazel in a fast-growing deep tech company. You will design and scale build systems while optimizing developer workflows in a greenfield environment. The ideal candidate has extensive experience in Software Engineering and CI/CD pipeline manage ...

Senior Infrastructure Engineer AWS, CI/CD, HealthTech

A healthcare technology firm in Greater London is seeking a Sr. Software Engineer to manage and enhance their AWS infrastructure. The role involves overseeing CI/CD pipelines, optimizing ETL pipelines, and ensuring system reliability for healthcare solutions. The ideal candidate will have strong expertise in C++ ...

Senior Lead Java Engineer Hybrid, Cloud & Microservices

A leading financial markets infrastructure provider in Greater London is seeking a Senior Lead Java Engineer to join the SwapClear Interfaces development team. This role focuses on designing and maintaining Java-based applications crucial for clearing operations, collaborating in an Agile environment with a stro ...

Senior Backend Architect: Build Scalable Data & API Platforms

A leading technology company in Greater London seeks a Backend Software Engineer to lead the architecture and development of high-performance backend services. The role involves designing efficient data structures, building robust APIs, and collaborating with cross-functional teams. Ideal candidates will have 6+ ...

Senior .NET Engineer Cloud, APIs & Architecture

A leading education provider based in the UK is seeking a Senior Software Engineer to spearhead the design and development of enterprise-grade applications. The role requires a seasoned .NET developer with over 5 years in Microsoft technologies, focusing on scalable solutions and digital transformation. Candidat ...

NetDevOps Engineer: Automate & Scale Networks

A broadband service provider in the UK is seeking a NetDevOps Engineer to enhance their network automation and operations. The role involves implementing modern software practices to improve efficiency and scalability in network tasks. Candidates should have a strong background in NetDevOps or DevOps, with skill ...

Backend Engineer, Crypto Trading (Hybrid London)

A leading technology company in London is seeking a Software Engineer to design and maintain backend services for crypto trading. This role requires expertise in Go, Java, C++, C#, or Python, and offers a hybrid work environment. Ideal candidates will have problem-solving skills and a proactive mindset, along wi ...

Senior Platform Engineer On Prem DevOps & Automation

Lorien in Manchester is seeking a passionate Senior Platform Engineer to automate infrastructure solutions and ensure uptime for the development team. You will work with tools like VMware, Terraform, and Ansible, focusing on enabling seamless software delivery into production. This role offers an excellent oppor ...

Hybrid Project Engineer – Defence Systems Integration

Advantage Resourcing UK Ltd is looking to recruit a Project Engineer subcontractor for an initial 12-month contract in Bristol. The role involves supporting the delivery of integration tools, working with project leads, and deploying software on hardware. Candidates should be familiar with COTS hardwar ...

Project Engineer – Water, Hybrid, Pressure Management Lead

A leading consultancy in water management is looking for a Project Engineer to provide technical leadership in delivering pressure management solutions. This role involves guiding a project team, ensuring projects are completed on time and within budget. Candidates should have experience with network modelling a ...

Civil Infrastructure Engineer – Hybrid Work & Career Growth

A leading construction consulting firm is seeking a Civil Infrastructure Engineer to join their Basingstoke office. The role involves contributing to various development projects, ensuring compliance with technical standards and legal requirements, and engaging with clients and stakeholders. Candidates should po ...

Hybrid Automation QA Engineer – CI/CD & Test Automation

A global technology company in the UK is seeking a Quality Engineer specializing in Automation. The successful candidate will streamline testing processes and ensure reliable software delivery using advanced test automation tools like Selenium and Cypress. Applicants should have a Bachelor's Degree and strong pr ...

Cloud Native Java Engineer | CI/CD & Security Focus

Accenture is seeking a Software Engineer in Leeds, UK, to develop and deploy applications in an agile environment, utilizing technologies such as Java and AWS/Azure. The role includes deploying applications using CI/CD and ensuring quality through comprehensive testing. With a competitive salary, the benefits pa ...

Senior ISP Verification Engineer Shape Next Gen Image Tech

A technology company in Manchester is looking for an experienced verification engineer to join its team. The role involves developing hardware verification testbenches for various projects, improving existing methodologies, and collaborating closely with other engineering teams. Ideal candidates should have expe ...

Senior Mechanical Design Engineer – Aerospace & Urban Mobility

A leading engineering firm in England is recruiting a Senior Mechanical Design Engineer to join their Mechanical Design team. This role involves providing conceptual and detailed designs, supporting innovative technical solutions in aerospace and related sectors. Candidates should have a degree in Mechanical or ...

Backend Engineer: PHP APIs, Docker & AWS

A leading tech company in Central London is seeking a backend-focused engineer to build backend services and APIs using modern PHP. You will collaborate with product and design teams and utilize Docker and AWS for reliable software deployment. Ideal candidates will have solid PHP experience, familiarity with con ...

Automation & AI Engineer: Build Scalable AI Workflows

Tecknuovo is looking for a Technical Automation & AI Engineer to design and operate automations, integrations, and AI-driven tools. You will be accountable for creating reliable automated workflows that enhance internal operations and client delivery. The ideal candidate will bring experience in software enginee ...

Senior Simulation Engineer AI Accelerator QEMU Expert

A pioneering tech company in London is seeking a Senior Simulation Engineer to develop software simulations for ground-breaking AI hardware. The role requires developing a QEMU-based simulator, collaborating with cross-functional teams, and a strong background in C/C++. Ideal candidates will have relevant indust ...

Senior Electrical Design Engineer | Client Liaison & Design Lead

A well–established independent consultancy in Greater London seeks an experienced senior electrical design engineer to assist in business development and client relations. The ideal candidate will have 5–10 years' experience in building services consultancy, with a solid design background and proficiency in CAD ...

Senior Lighting Engineer Flexible & Remote Projects

A global engineering services company is seeking a Senior Lighting Engineer to join their Transportation team in Manchester. This role involves delivering technical consultancy and design support for various exterior lighting projects, focusing on innovative, low carbon solutions. Candidates should have extensiv ...

Senior Electrical Engineer — Building Services (Hybrid)

A leading engineering consultancy based in the UK is looking for an electrical design engineer to work on multidisciplinary projects. The role involves delivering projects to client specifications, supervising junior staff, and engaging with clients and team members. Candidates should have a relevant engineering ...

Senior Electrical Design Engineer — Maritime EV Systems (Flexible)

An innovative maritime technology firm based in Portsmouth is seeking an Electrical Design Engineer to contribute to the development of high-performance watercraft. The ideal candidate will have solid electrical design expertise, experience with CAD software, and the ability to collaborate closely with various e ...

Lead Civil/Project Engineer Drainage & Highways

A leading engineering consultancy in Bristol is seeking a Civil/Project Engineer to lead a diverse portfolio of multi-million pound projects. You'll be responsible for the day-to-day engineering workings, focusing on sustainable drainage systems while liaising with authorities. Ideal candidates will possess stro ...

Product Engineer Intern: 12 Month Placement with Mentorship

A leading engineering company in the United Kingdom is seeking a Product Engineer for a 12-month undergraduate placement. This internship offers a hands-on learning experience working alongside experienced engineers across various disciplines. Candidates should be pursuing a degree in engineering and possess str ...

Senior Active Travel & Urban Transport Engineer

AECOM is looking for a Senior Active & Sustainable Transport Consultant/Engineer to lead innovative transportation projects in Leeds. This role encompasses the design and delivery of active travel schemes, traffic engineering, and urban realm projects, with a focus on creating safer transport networks. The ideal ...

Solutions Engineer: Modern ERP & FinTech Pre Sales

A leading software company in Greater London is seeking a Solutions Engineer to lead pre-sales activities for multinational clients. This role involves translating customer requirements into compelling technical solutions while collaborating with various teams. Candidates should possess a Bachelor's degree in Ac ...

Lead HVDC Modelling & Simulation Engineer

A leading engineering firm in the UK is seeking a Lead Engineer to spearhead the design and development of modelling techniques for HVDC systems. The role involves mentoring engineers, developing control systems, and ensuring alignment with real operational conditions. Candidates should hold an engineering degre ...

Customer Facing Deployment Engineer

An innovative tech company in Greater London is seeking a Forward Deployed Engineer to support customer deployments and enhance their software testing platform. This role combines engineering and customer interaction, requiring strong programming skills and effective communication. Ideal candidates will have a c ...

Electronics Test Solutions Engineer Design & Lead

GE Vernova in Creswell, United Kingdom is seeking a Test Engineer to design and implement robust production test solutions. The role involves working with manufacturing teams and includes supporting test evaluations and technical management. The ideal candidate will possess a degree in Electronic Engin ...

Sustainable Electrical Engineer – Building Services & Zero Carbon

A leading engineering consultancy in Birmingham is seeking a skilled electrical engineer to deliver innovative designs for major projects. The role involves collaboration with multidisciplinary teams across various sectors such as healthcare and workplace. Candidates should have a relevant degree and experience ...

Electronics Engineer – Embedded Medical Devices & Innovation

A leading product development consultancy in Bristol is seeking an experienced Electronics Engineer for an exciting role involving the design and development of innovative electronic systems. The position requires strong knowledge of electronic principles, embedded software development, and compliance design exp ...

Hybrid Lighting Engineer Low Carbon, Innovative Projects

A leading engineering consultancy in the UK is seeking a Lighting Engineer to join their Transportation team in Newcastle. The role involves delivering technical consultancy for multi-disciplinary lighting projects and supporting the development of innovative low-carbon solutions. Ideal candidates will possess e ...

Senior Electrical Design Engineer – Hybrid, Bristol

A leading electrical engineering consultancy in Bristol is looking for a Senior to Senior Associate level Electrical Engineer. In this hybrid role, you will shape building designs and ensure operational excellence. Ideal candidates will have chartered or near-chartered status in Electrical Engineering, proficien ...

Graduate Structural Engineer — Design for Sustainability

A leading design firm in Greater London is seeking a dedicated structural engineer to join their civil and structural engineering team. You will work on diverse projects, actively contributing to the design and technical aspects across varied sectors. Ideal candidates should have strong design and technical skil ...

Manufacturing Engineer, Configuration & Change Management

A leading aerospace manufacturer in Bristol is seeking a Manufacturing Engineer. You will manage changes effectively within the business, ensuring projects are delivered on time and within budget. The ideal candidate holds an HNC/HND in Engineering, has experience with Windchill software, and can read engineerin ...

Junior Electronics & IoT Firmware Engineer

A recruitment agency is seeking a Junior Electronics Engineer in the UK to support product development in Smart Technology. Ideal candidates should be graduates in Electronics or related fields, equipped with skills in electronics, firmware, and software. Main duties include testing and developing products, part ...

Senior AI Core Services Engineer Cloud Native Azure

A global technology services company based in Cambridge is seeking a Senior Engineer to join their Core AI Services team. This role involves designing and developing AI-enabling platform services on Microsoft Azure. Candidates should have over 10 years of software engineering experience, particularly with cloud- ...

Hybrid Senior Highway Drainage Engineer – Lead Schemes

A leading engineering firm is seeking a Senior Drainage Engineer in Shrewsbury to lead complex drainage projects. The role involves feasibility studies, detailed designs, and ensuring compliance with regulations. Candidates should have experience in drainage design, familiarity with relevant specifications, and ...

Senior Simulation Engineer Manipulation & RL (GPU)

Thehumanoid in London is seeking a Senior Simulation Engineer to develop and maintain simulation environments for manipulation tasks in various settings. The role requires 3+ years of experience with simulation environments and a strong command of physics simulators. Candidates should be proficient in Python and ...

🚀 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