1,350,891+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring July 2026

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Commissioning and Installation Engineer

Commissioning and Installation Engineer Location: Leicester Type: Permanent Competitive Salary DOE + Pension + 25 Days Holiday + Bank Holidays + Uniform + Parking + Company Bonus Scheme + Death in Service Benefit Hours: 37.5 Hours a Week – M ...

Senior Backend Engineer London

About Junior We’re building cutting-edge LLM-powered workflow tools to supercharge investment research for private market investors. Our clients include most of the global top 10 private equity and consulting firms - Junior already powers hundreds of billions of dollars invested annually. We’re a ...

M365 Engineer Greenfield Project

Salary: £32,000 - 72,000 per year Requirements Deep expertise across core Microsoft 365 applications, tenant management, and end-user services. An active Microsoft 365 Administrator certification is highly preferred. Solid knowledge of Windows 11 and iOS deployment ...

DevOps Engineer South Bank

Salary: £60,000 - 90,000 per year Requirements The ideal candidate will have active SC Clearance or be eligible to undergo SC Clearance. Experience with Ansible. Experience with Terraform. Experience with RHEL. Experience with AWS. </l ...

Apprentice Application Operations Engineer

Apprentice Application Operations Engineer DWP Digital is offering an exciting apprenticeship where you'll learn on the job, gain a Level 4 qualification, and help deliver vital digital services to millions. Join a supportive team, build real IT and engineering skills, and shape your futu ...

Senior Product Security Engineer

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more tha ...

Senior Platform Automation Engineer

develop is looking for a Platform Support Engineer to transform and scale our technology support function through automation and engineering excellence. This role requires a senior individual capable of solving complex operational challenges, building a self-service support experience, and eliminating manual ...

Junior Cyber Security Engineer

Employment Details 1.0FTE, 37 hours per week; job share of 2x 0.5FTE, 18.5 hours per week. This role is based across all our campuses in Cheltenham and Gloucester. Position Overview An exciting opportunity to join the University as a Junior Cyber Security ...

Principal/Associate River Engineer

**Company Description****Work with Us. Change the World.**At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure co ...

Business Systems Support Engineer

Salary: £60,000 - 90,000 per year Requirements We require at least 2 years of experience supporting business applications, systems, or web-based platforms within a regulated environment. We need strong troubleshooting capability across technical, functional, and da ...

Oracle OHI DevOps Engineer

Job Description Anticipated Contract End Date/Length: December 18, 2026Work Set Up: Hybrid (3 days per week in office)Clearance Required: BPSS Eligibility Required Our client in the Information Technology and Services industry is looking for an Oracle OHI ...

Forward Deployed Engineer AI

About the role: As a Forward Deployed Engineer, you will collaborate with sales teams to ensure key V7 customers achieve twice the impact in half the time. You will thrive on understanding technical leaders challenges and requirements and delivering complex solutions and POVs. You are a p ...

Installation and Workshop Engineer

Installation and Workshop Engineer (Workshop & UK/International Travel - covered)Salary: £30,000 – £40,000 Overtime Benefits The Opportunity We’re working with a well‑established engineering business specialising in bespoke automation and materials handling systems, deliver ...

Principal Commissioning Engineer Constructive

Principal Commissioning Engineer Location: Devonport, Plymouth, GB, PL2 2BG Onsite or Hybrid: OnSite Job Title: Principal Commissioning Engineer Role Type: Full time / Permanent Role ID: SF71788 Overview At Babcock we’re working to create a safe a ...

Sheet Metal Lead Engineer

Closing Date For Application Wednesday 24/06/2026 Established in 1966, Nuaire is a UK based ventilation solutions provider designing and manufacturing products for the domestic, commercial, and industrial construction sectors. Our state‑of‑the‑art facilities in Caerphilly operate with min ...

Sr. Lead Sales Engineer

Senior Lead Sales Engineer, HI-Tech Segment Equinix is looking for a Senior Lead Sales Engineer to support strategic HI-Tech customers through deep technical engagement, solution leadership and strong customer alignment. This role is ideal for a highly experienced pre‑sales professional who can s ...

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 ...

Platform Engineer Azure DevOps

The Role We’re looking for a Senior Azure Platform Engineer to help design, build and operate secure cloud platforms for complex, high-assurance environments. You’ll be working across Azure infrastructure, Kubernetes, automation, networking and DevOps tooling, helping to deliver reliable, ...

Senior Human Factors Engineer

Location/s: Altrincham, Derby, Whitehaven, Bristol, Tadley, Glasgow; UK Recruiter contact: Erinda Hazizi About the business unit The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation ...

Principal Safety & Environmental Engineer

Principal Safety & Environmental Engineer Full-time Location: Bristol Department: Bids Employment Type: Permanent The role is positioned within Navantia UK, a subsidiary of Navantia SA, dedicated to supporting the UK's defence and maritime ambit ...

Lead Engineer – MKoP Structures

APPLICATION CLOSING DATE: THURSDAY 2ND JULY, 2026Role: Lead Engineer – MKoP StructuresLocations: Hybrid working with one of the following closest locations as primary: Derby, Warrington, or ManchesterOur missionOur mission is to deliver clean, affordable energy for all. Our Small Modular Reactor (SMR) provides a ...

Senior Human Factors Engineer

Location/s: Altrincham, Derby, Whitehaven, Bristol, Tadley, Glasgow; UK Recruiter contact: Erinda Hazizi About the business unit The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation ...

Senior Mechanical Engineer (Piping)

Overview Provide mechanical engineering support to projects from tendering through to completion, including design, installation, testing and commissioning. Key Responsibilities Support mechanical installations throughout the project lifecycle. Ensure delivery al ...

Principal Powertrain Systems Engineer

About Us Gibson Technology is globally recognised for engineering excellence in designing, developing and manufacturing high‑performance engines and powertrain systems for world‑leading race series. Renowned for our LMP2 powertrains, we’ve been delivering cutting‑edge engineering solutions that p ...

QA / Test Engineer – Data

Salary: £? - ? per year Requirements 3+ years experience in QA, Test Engineering, or Data Quality Engineering within data platform environments Strong SQL skills, including complex query writing for reconciliation and validation Experience building automated ...

Fire and Security Engineer

Fire and Security Engineer (FLT SH3F1L) Sheffield, England Salary: £35,000 – £42,000 per annum (DOE) + Overtime + Travel + Benefits Fire & Security Engineer – Sheffield Location: Sheffield Job Type: Full-time, Permanent Overview A leadin ...

Cyber Security OT Engineer

Salary: £65,000 - 90,000 per year Requirements Solid cyber security or networking experience in an industrial or OT environment Knowledge of technologies such as Fortinet, Cisco ISE, VPNs, dynamic routing, Microsoft or Linux security, and virtualised infrastructure ...

Google Cloud Security Engineer

Location: Bristol (Hybrid - 2 days per week onsite) Salary: Up to £85,000 Must be eligable to undergo SC clearance or hold actove SC clearance now. About the Role We are seeking a Cloud Security Specialist with strong expertise in Google Cloud Platf ...

Wireless Protocol Integration Engineer

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, ...

Lead Site Reliability Engineer

Role Purpose The Site Reliability Engineer will work closely with Application, Infrastructure, and Network Engineering teams to ensure the reliability, scalability, and performance of FNZ platforms. This role focuses on deploying, integrating, and providing ongoing operational support for mission ...

Back end Engineer Senior

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. Today, we’re ...

Senior Kotlin/Scala Engineer

Senior Scala / Kotlin Engineer 6-12 months Hybrid - London (2-3 days per week on site) Paying up to £600 per day (Inside IR35) Overview We are supporting a global tier 1 bank on the hire of a Scala / Kotlin Engineer to join a high‑pe ...

Mobile Air Conditioning Engineer

Mobile Air Conditioning Maintenance Engineer South East London Up to £50,000 per annum CBW Staffing Solutions are currently recruiting for a Mobile Air Conditioning Maintenance Engineer to join a leading FM service provider, working across a portfolio of large and ...

Fire & Security Installation Engineer

EDSB Integrated Solutions are national providers of Fire & Security, Electrical, Mechanical and Building Services. From Design and Specification through to Installation and Maintenance, our focus is to deliver compliance, alongside an unbeatable level of service. We work nationally across the UK an ...

Principal Data Engineer 198439

This is a unique opportunity to join a high-performing value creation team within a private equity environment, where data sits at the centre of commercial decision-making. You will play a key role in shaping how portfolio businesses leverage data, analytics, and AI to drive measurable growth, working acro ...

Mobile Water Services Engineer

Role Overview As Mobile Water Services Engineer, you will be responsible for delivering high‑quality water services and ensuring legionella compliance across multiple sites. Responsibilities Carry out Water Services/Legionella Compliance works as instructed by the Water Se ...

Senior Information Security Engineer

Salary: £90,000 - 90,000 per year Requirements Demonstrable experience of implementing enterprise security platforms Strong understanding and knowledge of Information Security risk management tools and techniques Awareness of Information Security control ...

Senior Azure Data Engineer

On behalf of DWP, we are looking for a Senior Azure Data Engineer for a 12 month (Inside IR35) contract based Hybrid in Birmingham, Blackpool, Leeds, Manchester, Newcastle or Sheffield. As a Senior Azure Data Engineer, you will join a team delivering innovative and insight-driven data products usin ...

Multi Skilled Maintenance Engineer

Maintenance Engineer - Electrical or Multi-Skilled Location: DN36 Salary: £42,000 per annum (Rising to £45,000 After Probation) Shift Pattern:Monday to Thursday12-hour days one week / 12-hour nights the nextCurrently averaging 48 hours per week (includes approx. 6 h ...

Multi Skilled Maintenance Engineer

Maintenance Engineer Nuneaton, Warwickshire Days, Monday to Friday (Early Finish Friday) £42,000 Large‑scale manufacturing site looking for a Maintenance Engineer to support production equipment and site infrastructure. Role covers breakdown response, planned maint ...

Multi Skilled Maintenance Engineer

We are currently working on behalf of an Automotive Glass Manufacturing company who are actively seeking 3 Maintenance Engineers to join their team due to extensive and long-term business coming through the doors. This role is electrically biased but multi-skilled working with PLCs and automated an ...

Water Treatment Engineer / Plumber

Water Treatment Engineer / Plumber £30,000 - £37,000 + Full Industry Training (Internal & External) + Qualification Opportunities + Overtime + Van and Fuel Card + Company Benefits + Flexible Hours Field based position covering areas within Gloucestershire & Somerset Are you a Wate ...

Site/ Setting Out Engineer

One of the largest family owned Civil Engineering companies in the UK is looking to recruit a 'Site/Setting Out Engineer' within Cambridgeshire/ Peterborough regions. As Site/Setting Out Engineer, you will be part of the site based team with a primary focus on site activities. The engineering depar ...

Senior DevOps Engineer (Python)

Job Description Responsible for implementing and supporting improvements, efficiency, enhancing software quality, and accelerating delivery times. Having the shared responsibility between development/operations with a focus on people, process, and tools that take a unified customer/user focus. In ...

Infrastructure Engineer III Microsoft

Responsibilities Applies technical knowledge and problem‑solving methodologies to projects of moderate scope, focusing on improving data and systems running at scale, and ensuring end‑to‑end monitoring of applications. Resolves most nuances and determines the appropriate escalatio ...

Senior Mechanical Services Engineer

12 Month Contract Up to £70 per hour umbrella (Inside IR35) Mostly Remote - onsite 2 days per month in Plymouth Job Role: The Senior Engineer will act as a key interface to the Design Manager and Principal Mechanical Engineer (Mechanical Services Lead), providing technical ...

Principal Geo environmental Engineer

# Principal Geo-environmental EngineerIgne is seeking a **Principal Geo-environmental Engineer** to join our expanding Geotechnical Environmental Engineering team based in **Walsall.** This is an exciting opportunity for an experienced professional to take a lead role in delivering technically robust, commercial ...

Senior Project Engineer Design

Senior Project Engineer Specification and Design Yorkshire £70,000 to £80,000 plus company phone, IT equipment, mileage and travel expenses reimbursed Are you a Senior Project Engineer with strong substation and EHV design experience looking to move into a front end design a ...

Nuclear Safety Case Engineer

Overview Astute's Nuclear Team is partnering with a leading engineering and nuclear consultancy committed to professional development, innovation, and sustainability to recruit a Nuclear Safety Engineer for its Bristol or Gloucester office. The strategically important Nuclear Safety Engin ...

Senior Mechanical Engineer Nuclear

Legal Entity: AECOM Infrastructure and Environment UK Limited Business Line: Energy Work Location Model: Hybrid Operating Group: International Primary Location: UK - Warrington - Birchwood Park Company Description Empowering Innovatio ...

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    Full Stack Software Engineer Javascript React Elixir Jobs in United Kingdom Job Search Guide, Trends and Insights