1,511,215+ 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

Principal Geotechnical Design Engineer

Job Title Principal Geotechnical Design Engineer Location London Salary £60,000 - £70,000 (depending on experience) Overview We are looking for a talented principal geotechnical design engineer to join one of the UK's leading, award‑winning gr ...

Senior Flood Risk Engineer

Senior Flood Risk Engineer Location: Bristol Salary: £40-£55k (Depending on experience) Ref: MAR068 Overview My Client, a market leading, multidisciplinary Engineering and Environmental Consultancy, is searching for a Senior Flood Risk Engineer to join their Drai ...

Senior Design Mechanical Engineer

Principal Mechanical Design Engineer £60,000 - £80,000 | Flexible working arrangements | Great Benefits & Career Progression Overview Are you a mission-driven professional with a passion for delivering innovative and sustainable building services solutions? We are seeking an exp ...

Senior Electrical Production Engineer

Salary & Working Conditions Salary: £50,000‑£55,000 DOEFull TimePermanent Who we are SubSea Craft is a fast growing, privately‑funded, UK‑based innovative maritime technology company specialising in next‑generation, high‑performance watercraft and systems. We operate a ...

Site Engineer Wastewater Civils

Randstad are seeking an experienced and highly competent Site Engineer to join our Wastewater Civils project team operating within the Surrey region near Guildford. This is a fantastic opportunity for a professional with a strong Tier 1 civils background to play a pivotal role in a major infrastruc ...

Principal Mechanical Design Engineer.

Principal Mechanical Design Engineer Location: Warrington, GB, WA3 6YD / Preston, GB, PR2 2YB Role Type: Full time / Permanent Role ID: SF71457 Compensation: Competitive Salary + Benefits Onsite or Hybrid: OnSite At Cavendish Nuclear, we’re working to creat ...

Senior Mechanical Engineer Nuclear

Senior Mechanical Engineer – Nuclear & Defence Pioneering Green Energy Projects Are you an experienced Senior Mechanical Engineer seeking a role where innovation meets impact? Join a powerhouse in the Nuclear and Defence sector, leading the charge in clean energy solutions and national infrastruc ...

Senior Air Conditioning Engineer

Senior Air Conditioning Engineer Up to £55,000 + Travel Pay + Overtime + Package Our specialist Refrigeration and Air Conditioning Contractor specialises in the service, maintenance and repair of commercial refrigeration – ice machines, cellar coolers, chiller cabinets, walk‑in cold rooms a ...

Aerospace Process & Performance Engineer

Meritus is looking for a Process & Performance Engineer in Broughton, Flintshire, for a 3-month contract with a possibility of extension. Offering £40.66 per hour, the role focuses on optimizing production operations in the aerospace manufacturing sector. Key responsibilities include developing product ...

Site Reliability Engineer APAC

Who are Tyk, and what do we do? The Tyk API Management platform is helping to drive the connected world and power new products and services. We’re changing the way that organisations connect any number of their systems and services. Whether internal, external, public or highly encrypted systems, Ty ...

Senior Device Product Engineer

£36,057 per year – estimated (full‑time position). Responsibilities Drive electrical and optical characterisation of devices and arrays, uncovering performance at the smallest scale through detailed measurement and analysis. Get hands‑on with manual and semi‑automated prob ...

Senior NPI Product Engineer

Our international client is currently searching for a Senior NPI Product Engineer to lead and support the introduction of new semiconductor products from development through high-volume manufacturing. Working cross-functionally to improve testability, manufacturability, product characterization, yield, qua ...

Autonomous Systems Hardware Engineer

Drone Defence in the United Kingdom is seeking an experienced Hardware Design Engineer to design, build, test and improve autonomous systems. This is a hands-on engineering role where you will support advanced interceptor and robotics systems development and take a leading role in creating innovative products ...

Principal Process Engineer Nuclear

Job Description Principal Process Engineer – Lead process design and delivery for UK‑based nuclear projects, spanning client consultancy to engineering design, ensuring compliance with safety, quality, and environmental standards. Responsibilities Review key process engineering ...

Senior Marine Electronics Engineer

About the Role We are looking for an experienced Senior Marine Electronics Engineer to join a specialist marine electronics service team. This is a hands‑on technical role with genuine leadership responsibility — you'll be conducting installations, surveys, and repairs across a variety of vessel ...

Senior Fire Damper Engineer

Fire Damper Engineer £35,000 - £40,000 Basic + Overtime + Bonus + Company Van. Realistic Earnings £55,000+. Essex / London / South East. Are you currently carrying out Fire Damper Testing, Ventilation Hygiene, Ductwork Cleaning or Kitchen Extract Cleaning and looking for a role wh ...

Principal EC&I Engineer

The Senior Principal EC&I Engineer is fully accountable for all electrical, control & instrumentation (EC&I) engineering within their area, ensuring work is safe, compliant, and fit for purpose across the full lifecycle. They provide technical leadership, set standards, oversee assurance, and retain respon ...

Senior Cloud Security Engineer

Responsibilities We are looking for an inspirational and hardworking person to join the Security Engineering team at SIE! You’ll be joining a team of innovative engineers who are unified in their mission to make PlayStation the best and most secure gaming platform This support is ...

Contract Senior Structural Engineer

Contract Senior Structural Engineer Location: Kent. Contract for 6 months, outside IR35. We are seeking a Senior Structural Engineer to assist in the design of building structures up to £20million in construction value. Responsibilities Assist in the design of a variety of s ...

Hybrid Production Planning Engineer

Anglian Water is seeking a Production Planning Support Engineer to optimize water delivery and ensure efficient operations. You will support the creation of operational plans and collaborate with various teams to enhance water services. This role requires a strong background in operational engineering, ...

Trainee Field Service Engineer

Start Your Career as a Trainee Field Service Engineer with Hotpoint Are you ready to launch a hands‑on career with one of the UK's most trusted appliance brands? Hotpoint is offering an exciting opportunity to train and qualify as a Trainee Field Service Engineer. No experience? No problem – we'll ...

Multi Skilled Maintenance Engineer

Overview First Military Recruitment is proudly working in partnership with a fantastic refrigeration business who are looking to recruit a Multi Skilled Maintenance Engineer to support the upkeep and maintenance of their equipment and buildings. This is a permanent position located at their depot ...

Multi Skilled Maintenance Engineer

Multi Skilled Maintenance Engineer – £52,500 + Benefits Location: Boston, Lincolnshire Shift Pattern: 4 on 4 off (Days & Nights) What you'll do: Carry out planned and reactive maintenance on food processing and packaging equipment <l ...

Security Engineer or Electrician

Security Engineer or Electrician Up to £42,000 DOE vehicle We are looking for an experienced Security Engineer or an Electrician for a fast-growing and ambitious company in a role that entails the installation, servicing and maintenance of their Fire & Security CCTV & Alarm solutions. Experienced Fire & Securit ...

AI Engineer (SC Cleared)

AI Developer (SC Cleared) 700-800 per day | Inside IR35 | Hybrid, Glasgow Contract until September 2026 potential extension Morgan Hunt are working in partnership with a leading UK government organisation to recruit an experienced AI Developer with active SC clearance. This is an exciting opportunity to play a ...

Senior Cloud Security Engineer

We’re currently recruiting for a Senior Cloud Security Engineer to join a well-established organisation undergoing continued growth and investment in its cloud and security capabilities. This is a key hire within the IT Security team, offering the opportunity to play a pivotal role in strengthening and evolving ...

Multi Skilled Maintenance Engineer

Multi-Skilled Maintenance Engineer (known internally as Craft Engineer) Billingham (Home of McCoy’s, Pom-Bear and more) On-site | Flexi-shift (24/7 cover) Join our snack-loving team We’re looking for a Multi Skilled Maintenance Engineer to join us at KP Snacks. If you’re ready to bring your ideas to the table, g ...

Commercial Gas Service Engineer

Richard Irvin an RSK Group company are recruiting for a Commercial Gas Service Engineer to join the team based in Glasgow, Scotland. This is a full-time, permanent position. Our team of engineers, operations staff, project managers and compliance specialists are trained to start with our clients’ individual need ...

Senior Backend Engineer Subscriptions

The Subscriptions mission helps people discover the right Spotify experience for them and supports the entire journey from free to paid. Our teams build products and services that make it easier for listeners around the world to understand the value of Spotify Premium while enabling sustainable growth for ...

Server Engineer & Cloud Architect

Salary £43,600 - £62,400 per year. Requirements Experience providing 3rd line support for IT incidents, service requests, and problem management. Strong experience administering, managing, maintaining, and optimising hybrid server, storage, and cloud environments ...

Mid Java/Clojure Engineer

About the Role Grade Level (for internal use): 09 The Team OTC Derivatives Data provides consistent and reliable curve and volatility data for over-the-counter derivatives in support of trading, research, valuation and independent price verification. As a Java/Clojure Engineer, ...

Lead Back End Engineer

Synapri are currently working with a SaaS business servicing the property industry looking to hire a new Lead Backend Engineer on a Full time basis! Reporting directly into the Engineering Manager our client is looking for someone to come in and lead a small team of 3 integration developers, take ow ...

Senior Frontend Engineer, Scale

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – ...

AWS Cloud Operations Engineer

AWS Cloud Operations Engineer - Large Government Project Full-Time. UK only Night shift. 10pm to 6am Applicants must be eligible for Security Clearance Looking for an opportunity to make a real impact on a major government pr ...

Senior Infrastructure Network Engineer

Salary: £117,000 - 130,000 per year Requirements: Strong hands-on network engineering experience. Palo Alto Firewall administration and configuration experience. Cisco Meraki wireless and networking technologies experience. Ubiquiti / UniFi netw ...

Forward Deployed Engineer Lead

We are PMG Named Ad Age Best Places to Work for 11 years in a row and Fast Company Best Workplaces for Innovators since 2022, PMG is a global independent marketing services and technology company that seeks to inspire people and brands that anything is possible. Driven by shared success, PMG utilis ...

Data and Insight Engineer

Requirements Strong SQL and data modelling expertise Experience working with Snowflake Experience with analytics engineering tools such as dbt Proficiency with Python or similar languages for data workflows Experience building and maintaining data pipelines ...

Fire & Security Engineer Hampshire

Role overview Location: Southampton Salary: £44,000 per annum + Company Van + Overtime and On Call Allowance. Working Hours: Monday to Friday - :00 Benefits: 25 days holidays + Bank holidays, Health Cash Plan, Discount Shopping, Gym, Days Out, L ...

Senior Platform Engineer (Azure)

Location: London (E1) Hybrid working as standard: 2 days a week in the office, the other 3 days remote (or office if you prefer). Goodlord is scaling, and we’re looking for a Senior Platform Engineer to own and evolve the Azure‑native core of our dual‑cloud platform (Azure & ...

Principal Engineer – GPU Architect

MediaTek Incorporated is a global fabless semiconductor company that enables nearly 2 billion connected devices a year. We are a market leader in developing innovative systems-on-chip (SoC) for mobile devices, home entertainment, connectivity and IoT products. MediaTek is the number one Wi‑Fi supplier acro ...

DV Cleared DevOps Engineer

Salary £42,000 - 72,500 per year Requirements DV clearance Strong cloud-native DevOps engineering experience Ability to own delivery pipelines Ability to shape technical decisions Mature engineering discipline Full-time, in-office a ...

Utilities Site Engineer/Coordinator

Carmichael UK are looking to recruit an experienced Utilities Site Engineer/Coordinator to join a leading Tier 1 contractor delivering works on the HS2 project in Buckinghamshire. This is a key role supporting the coordination of utility diversions and interfaces across a major infrastructure packa ...

Firewall Engineer (Fortinet/Cisco)

Firewall Engineer (Fortinet/Cisco) Location: UK Remote (occasional travel, approximately one day per week in London, if required)Contract: Approximately 4 monthsDay Rate: £460 per day Essential experience: Fortinet and Cisco Firepower Fire ...

Senior Cloud Platform Engineer

Job Summary We are looking for a Senior Network Engineer to join our Cloud Platform Team and help develop and deploy clouds and services. Working closely with our colleagues in Software Platform, Datacentre Operations and Product Development teams, you will deploy services on our fleet of cutting ...

Senior Engineer Development Infrastructure

Full-time State/Province: Hertfordshire Business Group: DCS Legal Entity: AECOM Limited Business Line: B&P - Buildings & Places Work Location Model: Hybrid Operating Group: International Primary Location: UK - St Albans, 10 Bricket Road </ ...

Senior PCB Design Engineer

A Senior PCB Design Engineer highly experienced in the design of RF, Digital, Analogue and Power PCBs will join a thriving Technical Consultancy. A highly competitive salary package will be offered with benefits to include a Company Bonus Scheme, 10% Company Pension Contribution, Private Healthcare ...

Back end Engineer (Senior)

Description Xe is a cross-border payments platform. We help SMEs and consumers in the US, UK, Canada, Australia, and New Zealand collect, convert, hold, and send money across markets. Each year, over 300 million people use Xe for currency information and over 350,000 use us to send money overseas ...

Senior AWS Engineer SRE

Senior AWS Engineer SRE London (Hybrid - 2 Days Onsite near Barbican Station) Looking for an opportunity to make a real impact on a major government programme? We're recruiting a Cloud Operations Engineer SRE to join a large-scale project focused on onboarding a major public sector ...

Principal Systems Engineer SISS

Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer ce ...

Fire And Security Engineer

Fire & Security Engineer Location: Essex Salary: £38,000 Basic + Overtime + On Call Holiday: 25 Days Holiday + Bank Holidays Benefits: Company Van, Fuel Card, Tools & Uniform Provided An established Fire & Security company are looking to recruit an experienced Fire ...

🚀 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