2,200,889+ 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

Senior Angular Frontend Engineer — Enterprise Web Apps (Hybrid)

Spica Technologies is looking for a Frontend Software Engineer to join their team in Birmingham. You will be responsible for designing and developing modern web applications using Angular and TypeScript. The role involves working closely with backend engineers and UX designers to create user-friendly experien ...

Rust Systems Engineer Teleoperation Infra + Equity

Jack & Jill, a venture-backed startup in London, is seeking a Software Engineer to build low-latency infrastructure crucial for robotic teleoperation. You'll work closely with the founders to develop systems that ensure real-time data transmission for humanoid and autonomous vehicles. The ideal candida ...

Embedded AI Engineer, Google Cloud Consulting

Google Inc. is seeking a Forward Deployed Engineer in Greater London to build and integrate AI-driven solutions within customer environments. This role bridges cutting-edge AI products with practical deployment, requiring a Bachelor's degree in Engineering or Computer Science and expertise in software develop ...

Senior .NET Engineer: APIs, Event Driven & Scalable Systems

United States Digital Space LLC in Greater London is seeking a Senior Software Engineer to design and deliver high-quality C#/.NET applications within an agile team. The role involves hands-on programming, collaborating on platform capabilities, and ensuring high-quality code through CI/CD practices. T ...

Java & Clojure Engineer for Fintech Data Platform

S&P Global is looking for a Java/Clojure Engineer to join their OTC Derivatives Data team in Greater London. You will develop new software and enhance existing applications, collaborating closely with product specialists. The role requires a depth of knowledge in Java and a willingness to learn Clojure. < ...

Forward Deployed AI Engineer — Enterprise AI Delivery

United States Digital Space LLC is seeking a Forward Deployed Engineer to bridge the gap between frontier AI products and production-grade solutions. You will be responsible for the architecture, coding, and implementation of AI systems, ensuring they meet customer needs effectively. This role requires ...

Quality Engineer: Test Strategy & Automation Coach

Aberdeen is seeking a Quality Engineer to embed quality throughout the software development lifecycle. In this role, you will work with various teams, championing best practices in testing and quality assurance. You will design automated tests, mentor developers, and ensure high standards are maintained throu ...

Production Ready AI Engineer — Transformation Lead

MBN Solutions is seeking a Forward Deployed Engineer based in London to drive AI transformation across investment operations. This hands-on role involves direct collaboration with senior stakeholders to create AI-enabled workflows that transform business processes. The ideal candidate will have strong ...

Senior Trading Tech Lead: Low Latency FX & Rates

Citigroup Inc. is seeking a Senior Software Engineer (SVP) in London to lead the design and implementation of a robust technology platform for the STIRT business. This role demands expertise in capital markets, focusing on modernizing trading systems and enhancing AI integration within engineering work ...

Aerospace Product Design Engineer — Prototyping & Lighting

Expert Employment is seeking a Product Design Engineer to join an innovative Aerospace Engineering team in Guildford, UK. The role involves designing products by using cutting-edge technologies while ensuring proper qualifications for aerospace applications. Candidates should possess experience in design and ...

Electrical Design Engineer – Building Services (UK Projects)

Criterion Capital is looking for an experienced Electrical Design Engineer to join their Construction MEP division in Greater London. You will be instrumental in delivering complex projects across residential, hospitality, and mixed-use sectors, ensuring compliance with industry regulations and standards. </p ...

Lead SDET: AI Driven Backend Testing & CI/CD Leader

JPMorganChase is seeking a Lead Software Development Engineer in Test (SDET) based in Greater London. In this role, you will design, build, and support automated testing frameworks for backend applications. Collaborate with developers to ensure systems are robust and scalable while driving innovation and effi ...

Highways Digital Engineer M60 Simister Island Project

Costain Group is searching for a Digital Engineer for the M60 Simister Island project located in Bury, England. This role involves supporting Digital Engineering implementation throughout the Construction & Handover stages and collaborating with the project team and suppliers for optimal client outcomes. ...

Power Systems Engineer — Grid Studies & Renewables

Jacobs is looking to recruit a Power System Engineer to join our Future Energy & Power Systems team in Leeds, UK. The role involves modelling and conducting power system studies for major clients worldwide, focusing on thermal, renewables, storage, transmission, and industrial systems. The successful c ...

Senior .NET AWS Engineer: Cloud Native Microservices Lead

Daniel James Resourcing Ltd is looking for a Senior Software Engineer to join their team in Manchester. This role involves contributing to the migration of a .NET Framework monolith to AWS-native microservices, designing scalable backend services, and driving CI/CD practices. The position offers a 6-mo ...

Rust Systems Engineer Teleoperation Infra + Equity

Jack & Jill, a venture-backed startup in London, is seeking a Software Engineer to build low-latency infrastructure crucial for robotic teleoperation. You'll work closely with the founders to develop systems that ensure real-time data transmission for humanoid and autonomous vehicles. The ideal candida ...

Senior Backend Engineer Real Time SaaS & Scale

Rive is looking for a Senior Software Engineer to join our Backend Team in London. In this role, you will develop core backend services that support the Rive editor and ensure a seamless user experience. You will leverage your expertise in Node.js and cloud infrastructure while collaborating with a talented t ...

DV Cleared Senior AI Engineer

DV Cleared Senior AI Engineer Location: London (Hybrid) Contract Type: Contract Day rate: 700 Outside Clearance Required: Active UK DV Clearance (Mandatory) The Opportunity We a ...

DV Cleared Senior AI Engineer

DV Cleared Senior AI Engineer Location: London (Hybrid) Contract Type: Contract Day rate: 700 Outside Clearance Required: Active UK DV Clearance (Mandatory) The Opportunity We a ...

Studio TechOps Engineer: Production Systems & Support

Amazon is looking for a Technology Operations Engineer to be a key player in supporting their MGM Studios. This role involves troubleshooting and providing technical support to ensure seamless operations for content production. You will engage with both production personnel and technical teams, addressing iss ...

Automation Engineer

Were recruiting for an Automation Engineer. Please read on if you're considering your next challenge. Role This is a programming and commissioning role, the main role will be focused on developing and implementing software on systems and all aspects of install/commissioning ...

Agentic AI Engineer (.NET) Contract

Agentic AI Engineer (.NET) - Contract Client: Global Technology Leader - NASDAQ Listed Location: Hybrid - Bristol / 1-2 Days Per Week Duration: 6 months + Intention to extend (Greenfield Multi-Year Programme) ...

Senior C# Developer .Net Core FinTech

Senior C# Developer / Backend Software Engineer (C# .Net Core) *Newcastle onsite* to £110k+ Are you a senior, backend focused C# Developer with a strong academic background? You could be working on complex, high impact systems at a growing FinTech scale-up with solid financial ...

Structural Engineer

The Opportunity An exciting opportunity has arisen for an experienced Structural Engineer to join a growing multidisciplinary engineering consultancy based in West Yorkshire. You will apply your technical expertise across a varied portfolio of commercial and ...

Hybrid DevEx Security Engineer

Motorway is looking for a Developer Experience Security Engineer to enhance security protocols within our rapidly growing technology team. You will design and implement secure platform capabilities, collaborate with engineers to ensure security is embedded into software development, and automate security proc ...

Senior Backend Engineer, Dashboard Platform & Infra

Algolia is looking for a Senior Software Engineer for their Dashboard Platform team, focusing on infrastructure automation. You will work on core dashboard features and collaborate closely with teams to enhance developer experience. The role requires expertise in modern infrastructure management, speci ...

Lead Building Envelope Design Engineer

Sisk is seeking an experienced Senior Design Engineer to join their Engineering Services team in Frogmore, England. This role involves providing technical expertise, leading design tasks, and ensuring high-quality deliverables for multi-disciplinary construction projects. The ideal candidate should hav ...

Electrical Engineer – Building Services, Decarbonisation

Joshua Robert is hiring an Electrical Engineer in London to lead the design and coordination of electrical building services projects. Ideal candidates will have experience within electrical building services and be degree qualified in a relevant field. The role offers significant career progression opportuni ...

Lead Lab IT & AI Compute Support Engineer

Graphcore in Bristol is seeking a Lead Lab Support Engineer to act as the technical lead for IT support to Engineering Labs. You will oversee a team, manage support requests, and ensure service delivery while working with Linux systems and various software tools. You will have the opportunity to make a signif ...

Senior Sales Engineer P4 – Enterprise Pre Sales

Perforce Software is looking for a Sales Engineer to join the P4 team in Bracknell. This role involves working closely with tier-1 enterprises, requiring strong presentation and technical skills. You'll handle pre-sales activities, develop strategies to expand customer reach, and support technical discovery. ...

Senior Design Engineer: Building Envelope & BIM Lead

SISK Group is seeking a Senior Design Engineer to join their Engineering Services team in St Albans, UK. The role demands strong technical expertise and leadership in multi-disciplinary construction projects, ensuring high-quality design solutions. The successful candidate will oversee the development ...

Senior ML Engineer: Applied AI & LLM Platform Lead

JPMorgan Chase is looking for a skilled Software Engineer to join their Asset Management team, specializing in LLM applications. This role involves hands-on development and collaboration with Data Science teams to create cutting-edge ML-driven solutions in a regulated environment. The ideal candidate w ...

Senior FPGA Engineer Low Latency Trading Architect

DRW is seeking a Senior FPGA Engineer to join their trading teams located in London, Chicago, or NYC. In this role, you will be responsible for designing and developing FPGA applications with strong emphasis on hardware/software interaction. Applicants should have a Bachelor's degree in Computer/Electrical En ...

Platform Architect & Principal Engineer (Go/Python)

Harvey Nash is looking for a Principal Software Engineer in Greater London to lead platform architecture for a high-growth tech company. The role involves mentoring senior engineers and shaping technology direction while remaining hands-on. Ideal candidates will have extensive experience in backend engineerin ...

AI Driven SDET Engineer for Quality & Testing

Tata Consultancy Services is seeking an SDET Engineer (AI‑enabled Testing) in Manchester. This role involves combining manual, automated, and AI-assisted testing approaches to ensure high quality in modern engineering environments. You will be responsible for designing test strategies, developing autom ...

Python Engineer: Real Time Data Pipelines for Trading

Cedar Cares, Inc is looking for a Python Software Engineer to help build and expand their data pipeline and event streaming functionality for the largest equities exchange in Europe. This role involves collaborating with business development and sales teams to create reliable, testable Python systems to suppo ...

Senior Java Engineer — AI/ML, AWS, Hybrid (Notting Hill)

Bentley Whitaker Search and Selection is looking for a Senior Java Software Engineer to join their fast-growing team in Notting Hill. The role involves developing innovative artificial intelligence solutions using cutting-edge technologies. Applicants should have over 5 years of experience in Java, kno ...

Senior Android Architect & Tech Lead (Kotlin/Jetpack)

Marks and Spencer is seeking a Staff Android Engineer to drive the technical vision across teams. This role involves mentoring engineers, ensuring modern, scalable Android solutions, and enhancing engineering standards. As part of the M&S Software Engineering, you'll work with various teams, pushing th ...

Frontend Engineer – Shopping Experience (Hybrid)

On the Beach in Manchester is seeking a Mid-Level Software Engineer IC2 to enhance the customer journey for holiday packages. You will build intuitive customer-facing applications and collaborate with marketing and product teams to ensure a seamless end-to-end experience. The role offers flexible worki ...

Senior Staff Backend Engineer – Distributed Systems

Metropolis Technologies in Abbot's Salford is seeking a Senior Staff Software Engineer for their AeroParker team to lead technical strategy and architecture for their e-commerce platform. You'll engage in high-impact initiatives and mentor senior engineers while ensuring systems scalability and security. ...

OT Cybersecurity Engineer for Nuclear Plant Systems

ALTEN in Heysham is seeking an Operational Technology Engineer to join our team in the Nuclear sector. In this role, you will support the maintenance, configuration control, and cyber resilience of OT systems, ensuring they remain secure and compliant. The ideal candidate will have a degree in Software ...

Cloud AI Engineer — Production Grade Agentic Solutions

GOOGLE is seeking a Forward Deployed Engineer to bridge frontier AI products with customer environments. This role emphasizes hands-on development in complex AI applications, ensuring seamless transitions from prototypes to production. A background in software development, especially with Python, and AI syste ...

AI Product Engineer – LLM Powered Copilot

Elliptic is seeking an AI Engineer to join the Automation Forge team, focusing on building AI-powered features that enhance compliance investigations. Responsibilities include developing LLM-powered tools and collaborating with product and engineering teams to bring innovative solutions to life. The id ...

Lead Controls Engineer: PLC/SCADA & HMI Lead

BGEN Ltd is seeking a Lead Engineer to work on complex control system projects in Stafford, England. You will manage your team’s workload while collaborating with the Project Manager to achieve project milestones. The ideal candidate will have versatile systems engineering experience and proficiency in PLC & ...

Graduate Structural Engineer – Heritage & Luxury Builds

Size Group is looking for a Graduate Structural Engineer to support the design team in developing safe and efficient structural solutions across projects for their sister companies. This role will involve using design software such as AutoCAD and Revit, ensuring designs comply with codes, and assisting in str ...

Hybrid Power Systems Engineer — ETAP/EMT Studies

Airswift is seeking a Power System Engineer based in Surrey, United Kingdom, to join our team for an exciting role in the power industry. This position entails conducting power system studies, including load flow and short circuit analyses, while providing oversight to third-party vendors. The ideal ca ...

AI Field Engineer: Demos, Integrations & Value Delivery

Tessl is seeking a Field Engineer to join our dynamic team in London. In this role, you'll build field engineering processes, own technical sales relationships, and help customers maximize the value of AI-native software development. The ideal candidate has over 5 years of relevant experience in technical sal ...

Senior Scientist/Engineer Time & Frequency Systems Lead

Rullion is seeking a Senior Scientist/Engineer to join a multidisciplinary team focused on developing innovative Time and Frequency systems. This pivotal role involves leading projects, designing advanced measurement systems, and collaborating with global experts to deliver high-quality solutions. The ...

Staff Engineer Scale AI Driven Fintech Systems

The Hub/Danske Bank is seeking a Staff Software Engineer to tackle complex technical challenges that impact scalability and system performance. You will take ownership of critical code and help evolve how the organization builds its platform through innovative tooling and practices. This role requires ...

Senior Mechanical Design Engineer – HVAC & Building Services

Cibsejournal is seeking a talented Mechanical Design Engineer in Cambridge. This role involves managing the design of mechanical building services systems and collaborating closely with multidisciplinary teams to ensure compliance with UK Building Regulations. The successful candidate should have a Bac ...

🚀 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