2,281,540+ 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

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. ...

Lead AI Trading Tech Engineer (Python/Java)

JPMorganChase is searching for a Lead Software Engineer within Credit Technology to drive the development of market-leading technology products. The role involves architecting new systems leveraging AI-assisted coding while enhancing existing platforms. Candidates should have 5+ years of experience in Python, ...

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 ...

Staff Product Engineer AI Driven, Scalable Systems Leader

Elea Ecuador is looking for a Staff Product Engineer based in London to lead technical initiatives in building top-tier software solutions. This role requires a combination of excellent technical skills and proven leadership experience. The ideal candidate will contribute to optimizing business delivery while ...

Associate Electrical Engineer: UK MEP & Sustainable Design

James Gray Recruitment is looking for an Associate Electrical Engineer to join their diverse engineering team in Glasgow. This role entails designing and implementing complex electrical systems while promoting sustainability and collaboration. Candidates must have a Bachelor's degree in Electrical Engineering ...

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 ...

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 ...

Senior Solutions Engineer, EMEA | AI Platform & Governance

LaunchDarkly is hiring a Senior Solutions Engineer in Greater London to drive the transition from feature management to AI governance. This role involves engaging with enterprise clients, leading technical evaluations, and fostering internal champions for successful software delivery. Ideal candidates should hav ...

Senior Java Engineer Scalable Fulfilment Platform

Tesco UK is seeking a Software Development Engineer (SDE) to join their team in Welwyn Garden City. This role focuses on designing, developing, and implementing a next-generation customer fulfillment system using Java and Spring Boot, aimed at optimizing warehouse operations. Ideal candidates will possess hands- ...

Senior Audio Quality Engineer

PlayStation Network is seeking a Senior Software Engineer in Audio Quality Engineering to develop and maintain tools and systems for ensuring audio quality within the PlayStation SDK. The ideal candidate should have strong programming skills in C/C++ and Python, combined with a solid understanding of digital ...

Client Facing AI Engineer: Deployment & Impact

Boston Consulting Group is looking for a Forward Deployed AI Engineer in London, United Kingdom. In this role, you will be part of a dynamic team responsible for developing and implementing innovative AI solutions across various industries. The ideal candidate will possess strong software development skills, ...

Principal AI Deployment Engineer (London)

GWI group is seeking a Forward Deployed Engineer in London. This role involves shaping and driving the deployment of our agentic AI platform for strategic accounts, requiring significant software engineering experience and the ability to lead complex deployments. The successful candidate will work with ...

North London Field Appliance Engineer – Up to £50k OTE

Occupop is seeking a Field-Based White Goods Engineer for North London to perform fault diagnosis and repair on domestic appliances directly in customers' homes. The role offers a competitive salary between £34,000 and £43,000, uncapped bonuses, and up to 33 days holiday. Responsibilities include diagn ...

AI Driven Product Engineer for Health Impact

Pelago is seeking a Product Engineer in Greater London to develop and deliver innovative solutions for behavioral health care. This role emphasizes AI-augmented engineering and cross-functional collaboration, allowing you to own projects from discovery to rollout. A strong technical foundation in software dev ...

Senior Cloud Engineer: Azure & Kubernetes Platform Lead

Viridien, based in Crawley or North Wales, seeks a Senior Cloud Engineer to lead the implementation and operation of scalable cloud platforms. This role involves working collaboratively with teams across data and software engineering to ensure operational excellence, translating cloud architectures into produ ...

Backend C++/Python/Rust Engineer Cybersecurity AI

Client Server in Milton, Scotland, is seeking a skilled software engineer specializing in C++. The role involves leading projects in cybersecurity technology, utilizing a variety of languages including backend C++ and Python. A salary of up to £80k is available, plus bonuses and excellent benefits. Joi ...

Android Engineer: Build Scalable User Signals

Dangote Industries Limited is seeking an Android Engineer in London to develop and maintain software that captures user behavior signals across various mobile experiences at Spotify. This role includes building high-quality Kotlin code and collaborating with cross-functional teams for end-to-end solutions. </ ...

Senior Satellite Network Architect & Prototyper

A satellite communication company in Glasgow is seeking a Senior Network Research Engineer to analyze and develop advanced IP-based communication systems. You will be responsible for architecting and prototyping software interfacing with proprietary RF communication stacks. The ideal candidate should have a stro ...

Electrical Engineer – Building Services (Hybrid Projects)

WSP is seeking an Engineer in Basingstoke to support project delivery within a mechanical, electrical, and public health discipline. You will work closely with clients and contribute to major projects such as Gatwick and Heathrow Airports. The ideal candidate should possess a degree in Building Services Engin ...

DevOps Engineer (Junior/Mid) – Guildford Office

Stratospherec Ltd is looking for a Junior or Mid-Level DevOps Engineer to join their growing team in Guildford. You will play an integral role in supporting the TechOps team, focusing on CI/CD pipeline management, system reliability, and integrating DevSecOps into the DevOps lifecycle. The ideal candid ...

AI Engineer: Agentic AI for Production Systems

RELX INC is seeking an AI Engineer to develop intelligent systems powered by innovative AI technologies. This role involves building and testing AI solutions as part of a cross-functional team, interfacing with stakeholders to ensure the development fits real workflows. Key responsibilities include pro ...

Blockchain Engineer: Tokenization & Multi‑Chain Platform

Ctrl Alt in Greater London is seeking a Blockchain Engineer to enhance the company’s blockchain and tokenization infrastructure. In this role, you’ll design secure smart contracts and integrate blockchain technology into various financial systems. You’ll collaborate with engineers and the product team to ensu ...

Internal Sales Engineer

Internal Sales Engineer Competitive salary of £30,000 – £40,000 (DOE) Company pension scheme Comprehensive in-house product and software training Two week-long training visits to the group's headquarters in Europe Clear progression path toward ...

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 ...

Senior JVM Data Connector Engineer (Remote)

Clickhouse is seeking a Senior Software Engineer specializing in Java Streaming and Connectors. This role is focused on developing high-quality data integration systems and involves working closely with the open-source community as well as internal teams. The ideal candidate will have over 6 years of e ...

Senior Research Web Engineer for Epidemiology Apps

A leading research institution in the UK is seeking a Senior Research Software Engineer to lead web projects that advance research within the Department of Infectious Disease Epidemiology. You will collaborate with researchers to develop innovative web applications for visualizing data on disease dynamics. The i ...

Senior Kotlin Backend Engineer — Cloud Native Platform

1st Executive Ltd is seeking an Interim Software Engineer to join a high-performing team in London. This role focuses on designing and evolving backend services in Kotlin within a cloud-native architecture, emphasizing collaboration through mob programming. Key responsibilities include developing resil ...

Staff Security Engineer, AI First Product Security

Harmonic Security is seeking a Staff Security Engineer to enable secure product development in a dynamic environment. You'll lead the integration of security practices into engineering workflows, ensuring teams can innovate confidently without compromising safety. The ideal candidate will have extensiv ...

Senior Compute Platform Engineer HPC & Cloud

GlaxoSmithKline is seeking a Senior Compute Platform Engineer to lead the development of a hybrid on-prem/cloud compute platform, enhancing data analysis capabilities for scientists and engineers. Ideal candidates will utilize their expertise in Python, cloud services, and high-performance computing (H ...

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 ...

Systems Support Engineer

System Support Engineer - PLC / SCADA (Nights) Derbyshire £45k basic doe, c£50-60k with overtime & great benefits Do you have experience of system support and fault finding with PLC and SCADA software? Are you confident to work on client sites with minima ...

Systems Support Engineer

System Support Engineer - PLC / SCADA (Nights) Derbyshire £45k basic doe, c£50-60k with overtime & great benefits Do you have experience of system support and fault finding with PLC and SCADA software? Are you confident to work on client sites with minima ...

Internal Sales Engineer

Internal Sales Engineer Competitive salary of £30,000 – £40,000 (DOE) Company pension scheme Comprehensive in-house product and software training Two week-long training visits to the group's headquarters in Europe Clear progression path toward ...

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 ...

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) ...

Geotechnical Engineer

Geotechnical Design EngineerLocation: BristolSalary: £35,000 – £40,000An award-winning engineering consultancy is seeking a Geotechnical Design Engineer to join its expanding Bristol office. This is an exciting opportunity for an engineer who enjoys the analytical and des ...

Geotechnical Engineer

Geotechnical Design EngineerLocation: BristolSalary: £35,000 – £40,000An award-winning engineering consultancy is seeking a Geotechnical Design Engineer to join its expanding Bristol office. This is an exciting opportunity for an engineer who enjoys the analytical and des ...

Electronics Design Engineer

Senior Electronics Design Engineer Location: Cheltenham Employment Type: Permanent Are you an experienced Electronics Design Engineer looking to step into a senior-level role with full project ownership? We are looking for a talented engineer to join our team and lead the delivery of complex industrial control s ...

Dev Ops Engineer

We have an exciting opportunity for a Dynamics 365 CRM Engineer to play a key role in delivering the COMET CRM transformation programme. They will design, develop, and deploy a scalable Microsoft Dynamics 365 and Power Platform solutions, with a strong focus on DevOps, automation, and enterprise-grade ALM. The i ...

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 ...

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 ...

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 ...

Quality Engineer

Built on meritocracy, our unique company culture rewards self‑stars and those who are committed to doing what is best for our customers. Quality Engineer Location: Hybrid - London Package: Negotiable + Benefits At Brown & Brown (Europe), qualityisn'tjust ac ...

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 ...

SENIOR STRUCTURAL ENGINEER

A well-established Structural Engineering consultancy based in Takeley, Essex, delivering innovative, practical, and cost-effective structural engineering solutions across domestic and commercial sectors. With a growing portfolio of exciting projects and a reputation for excellence, we are looking to expand o ...

Digital Hardware Design ( Rochester, NY ) 34694

Digital Hardware Design ( Rochester, NY ) - 34694Direct Hire Opportunity Salary Plus Benefits: Depends on experienceOnsite US Citizenship requiredRelocation Assistance Available Job Description:Join our team as a Digital Hardware Engineer and play a critical role in ad ...

🚀 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