1,352,476+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring July 2026

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Senior Observability Solutions Engineer

Snowflake in Greater London is looking for a Sales Engineer to conduct technical evaluations and support sales efforts. The role involves working with Account Executives and providing insights to product management based on customer feedback. Ideal candidates will have a Bachelor's degree in Computer S ...

Global Solutions Engineer Enterprise

Overview We launched Sigma, our flagship AI platform last year to help the programmatic industry solve the problem of fragmentation. We are seeking a seasoned solutions engineer to join our Sigma enterprise team to help us deliver on our customisation capabilities. As a solutions engineer you will ...

eTrading Python Production Engineer

Talan in London is seeking a motivated eTrading Production Support Engineer to join its fast-paced Application Support team. The role involves overseeing production support for critical FX applications, monitoring system health, and collaborating with teams to enhance platform performance. The ideal ca ...

Shift Engineer, Data Centres

Electrical Shift Engineer As the post holder, you will be expected to have extensive understanding of Critical Facilities/Data Centre infrastructure (Mechanical, Electrical, Plumbing & associated assets). As an integrated member of the engineering shift team, you will be responsible for effective ...

Windows 11 Deployment Engineer

Overview The Role: As a Windows 11 Deployment Engineer, you will be responsible for providing hands-on support to users as they transition to Windows 11 using Workspace One technology. Working in small teams, you will deliver a high-quality, white-glove service, ensuring minimal disruption and a s ...

Project Engineer Pipelines & Subsea

The Role and Responsibilities EnerMech currently have an opportunity for a Project Engineer to join our Pipelines & Subsea business line in Aberdeen. This role will be responsible for providing the day-to-day support to the client for the delivery of the contract and liaising with EnerMech field ...

Fire & Security Systems Engineer

Overview Job Title: Fire & Security Systems Engineer Location: Bury (Applications are only being considered from candidates based within the local area) Salary: Up to £40,000 per annum (depending on experience) + Performance Bonus (OTE £50,000) J ...

AI Bioinformatics Benchmarking Engineer

The Position At Sequencing, you'll build and operate the evaluation and validation infrastructure that keeps our AI systems correct, reliable, and regression-protected. This is an execution-focused role: you'll design, implement, and maintain the benchmarking systems that continuously test AI outp ...

M&E Project Engineer

Overview We're looking for an experienced Mechanical & Electrical Project Engineer to join our growing team and support the delivery of water industry projects across the UK. You'll work closely with Project and Site Managers throughout the full project lifecycle—from design and build through t ...

Senior Product Security Engineer

Overview 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 a ...

Fire & Security Engineer Birmingham

Service Engineer £30,000 - £38,000 Basic Salary + Bonus + Overtime + Company EV Van + Excellent Benefits Locations Available: Scotland | Yorkshire | Manchester | Birmingham Are you an experienced Service Engineer looking for a role that offers excellent earning p ...

Apprentice Application Operations Engineer

Overview 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 future in tech. We're using fresh ideas ...

Senior SFMC Engineer — Remote

Future Publishing is seeking a Senior Salesforce Marketing Cloud Engineer to enhance customer interactions through innovative marketing solutions. This senior role requires expertise in Salesforce Marketing Cloud, including advanced SQL and data modeling skills. The position involves defining technical specif ...

EMD Quantitative Portfolio Engineer

CFA Institute is seeking a Quantitative Solutions Associate within the Emerging Markets Debt platform in London. This role will support portfolio managers through automation and analytical tools to enhance investment decisions. The ideal candidate has 2-4 years of experience in asset management, strong ...

Staff Digital Design Engineer

Job Description We are actively seeking a highly skilled and motivated Staff Digital Design Engineer to join our growing hardware development team. In this role, you will be responsible for designing power and area optimised digital circuits for complex mixed-signal applications. You will work cl ...

GCP Cloud Security Engineer

Rate: £600 day Outside IR35Location: London – hybrid (3 days onsite) – Non negotableDuration: 12 monthClearance: Active SC, willingness for DV OverviewJoin a high-impact programme delivering secure, ...

Senior ML Infrastructure Engineer

4 days ago Be among the first 25 applicants The Ellison Institute of Technology (EIT) Oxford's purpose is to have a global impact by fundamentally reimagining the way science and technology translate into end-to-end solutions and delivering these solutions in programmes and platforms that respond t ...

Fire and Security Engineer

An exciting opportunity has arisen for a Systems Engineer in our Fire & Security Systems team based in the Glasgow area, to cover the surrounding territory. The job holder will be required to work 40hrs per week. About G4S F/S - G4S Fire & Security Systems (UK) is part of G4S Secure Solut ...

Site Reliability Engineer (SRE)

Overview Site Reliability Engineer (SRE) Location: London I am looking for a number of SREs for a large-scale digital organisation in the middle of a major engineering modernisation journey. This is not a BAU support role, this is a chance to help define what good looks like a ...

Principal Engineer – Cyber Security

Principal Engineer – Cyber Security Hackajob is collaborating with BAE Critical Skills to connect with exceptional tech professionals for this role. Location Frimley, Bristol, Weymouth, Portsmouth, Coventry – hybrid and flexible arrangements available. Salary Up to ...

Security Engineer (iOS/Android)

Your mobile phone. Whether you like it or not, it’s probably your most treasured device. You do everything on it; message your friends, open bank accounts, watch the “big match”… But what is protecting your data and personal details in the apps you’re using? If your answer is “Well I can do that”, t ...

Senior Principal Dams Engineer

Senior Principal Dam Engineer Location: Newcastle Upon Tyne, England, United Kingdom The Opportunity It’s an exciting time for Stantec! With AMP 8 well underway and a number of frameworks to support across the UK & Ireland, including Yorkshire Water’s Storm Overflow Alliance, No ...

Senior Python/Rust Engineer

Overview Our client is a global cybersecurity company delivering quantum-safe encryption to protect enterprises, governments, and critical national infrastructure. Their advanced cryptography ensures resilience against current and emerging quantum threats, with solutions spanning telecoms, defence ...

Senior Principal Dams Engineer

It’s an exciting time for Stantec! With AMP 8 well underway and a number of frameworks to support across the UK & Ireland, including Yorkshire Water’s Storm Overflow Alliance, Northumbrian Water’s Strategic Technical Partnership, United Utilities’ Design Development Partnership and more! Read more h ...

Lead AWS DevOps Engineer

Lead AWS DevOps Engineer Leeds (on-site 1x per week) £650/day (Inside IR35) ⏳ 7-month contract | Start: ASAP About the Role We’re looking for an experiencedAWS DevOps Engineer to take a lead role in building, automating, and supporting cloud-native inf ...

Senior EC&I Engineer

Your future team We are seeking a highly capable Senior EC&I Engineer to support and lead engineering activities across a diverse portfolio of Defence work packages. This role spans the full engineering lifecycle — from early requirements and concept development through to detailed design, technic ...

In Service Support Engineer

Overview Consultant @ Matchtech | Defence & Public Sector Our client is a key player in the Defence & Security sector, currently seeking an In-Service Support Engineer to join their team in High Wycombe/West London. The role involves providing back-office engineering support to en ...

Fire And Security Engineer

Fire & Security Engineer Company based in Lancashire Location: North West England (Lancashire, Yorkshire, Greater Manchester, Merseyside and Cumbria.) Salary: £30,000 - £36,000 p/a depending on experience; on-call allowance; company vehicle; pension; 20 days' holiday + bank holida ...

Security Firmware/FPGA Engineer

Your impact Technology in Defence is rapidly evolving, and so are the risks to capabilities and success through an ever-changing security landscape. As customers demand higher levels of resilience in the products we create, our approach to securing systems and products needs to change with it. </ ...

Branch Enhancement Engineer Mobile

Branch Enhancement Engineer - Mobile Job ID Posted 02-Mar-2026 Service line GWS Segment Role type Full-time Areas of Interest Engineering/Maintenance Location(s) Bristol - England - United Kingdom of Great B ...

Senior EC&I Engineer

Assystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 8,000 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon ...

Lead Cloud Infrastructure Engineer

A government agency in the UK is seeking a Lead Infrastructure Engineer to manage infrastructure services and lead teams in building complex cloud solutions. The ideal candidate should have experience in cloud infrastructure management, technical troubleshooting, and systems integration. This role offers the opp ...

Senior / Principal Dams Engineer

Overview The Opportunity and Story: Immediate Impact on UK Water Security. The future of UK water security is being shaped right now, and you can be at the forefront. AMP8 delivery is underway, and Stantec is delivering on major framework commitments, including key roles in the north of England wi ...

Senior Security Operations Engineer

Overview Senior Security Operations Engineer — We’re working with a leading international technology business that delivers innovative communication solutions to over 60,000 organisations worldwide. This role is based in Nottingham and focuses on ownership of security operations and embedd ...

Principal / Lead Systems Engineer

Job Description Are you a Systems Engineer who loves contributing to the UKs Defence Industry and making impactful change? We are recruiting for a Lead/Principal Systems Engineer in our growing Precision Guidance team, working on real engineering problems, designing and developing solutions that s ...

Shopify & Ecommerce Integrations Engineer

Salt Digital Recruitment is looking for a Platform Integration Engineer in Leeds to support the design and maintenance of integrations across various systems, particularly Shopify. The role involves ensuring reliable data flow among ecommerce, marketing, customer service, and operational systems. Your ...

Cloud Security Engineer Azure

An opportunity has arisen to join a large-scale digital organisation investing heavily in cloud security and platform resilience. We are supporting a client in the retail and digital commerce sector to hire a Cloud Security Engineer to strengthen security across their Azure cloud and application pl ...

iOS Engineer (Mid level)

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited ...

Senior/Principal Engineer (Bridges)

Location The team are looking for a Senior or Principal Bridge Engineer to join our team in London. Responsibilities Bridge design; Bridge strengthening and repair, inspections and assessments; General civil and structural engineering support to other t ...

Senior Engineer (Customer Auth)

About the role We’re on a mission to back the UK’s small businesses like no one else. Small businesses are the backbone of the economy, and we’re here to help them win. We’ve built a platform that uses clever data to get them the funding they need in minutes, not weeks. At Funding Circle, ...

Security Cleared DevOps Engineer

The Role This is an exciting opportunity to join our Software Engineering Practice as a DevOps Engineer, to work alongside our team and help build out the capability. Key Responsibilities Understanding client requirements, liaising with stakeholders and speaking with manag ...

Fire & Security Installation Engineer

My client is a single-source provider of world class fire and security solutions, protecting the assets, property, staff and data of leading UK, Northern Ireland and the Republic of Ireland organisations. They are seeking a Fire & Security Installation Engineer working from our Southwest Office. You wi ...

Fire and Security Engineer

Are you an experienced fire and security engineer who wants to be genuinely valued, properly rewarded, and given real opportunities to progress? At ASEL Argenbright Security Europe Ltd, we are growing our Nottingham/Derby operation and are looking for an Area Service Engineer who takes pride in t ...

Security Operational Centre Engineer

At Sopra Steria, our Security Operations Centre (SOC) protects some of the UK’s most critical organisations. As a SOC Engineer, you’ll make sure the right monitoring and protective tooling is in place—so our analysts can detect, investigate and respond at pace. It’s a hands‑on role with real impact and ple ...

Design And Development Engineer

Senior Recruitment Consultant | Connecting Top Mechanical Engineers with Industry-Leading Employers Job Title: Design & Development Engineer Location: High Wycombe We are supporting a growing engineering and manufacturing business in High Wycombe who are looking to ...

Fire and Security Engineer

Overview Fire & Security Engineer – Service / Repairs / Small Works Location: Nottingham Salary: £35,000 – £45,000 basic (OTE significantly higher with bonuses) Hours: Flexible – manage your own diary (40 hours per week) </ ...

Lead Firmware/FPGA Engineer

Overview Job Description: An opportunity has arisen within Leonardo Edinburgh for a Lead Firmware/FPGA Engineer to work on the Global Combat Air System Programme (GCAP). This role will contribute to maturing and delivering a mission critical component that will be installed onto the ...

Fire And Security Engineer

Fire and Security Engineer Peterborough & Surrounding Areas £35,000 - £50,000 (depending on experience) + overtime + call‑out + company vehicle + excellent benefits About The Role An established and growing organisation is seeking an experienced Fire and Security Enginee ...

Performance and Monitoring Engineer

Overview Solus, part of the Aviva family, is growing our Technology capability and we’re looking for a talented Performance and Monitoring Engineer to help us strengthen the stability, reliability and performance of our systems. If you’re passionate about monitoring, observability and usi ...

Lead Cloud Infrastructure Engineer

A government agency in the UK is seeking a Lead Infrastructure Engineer to manage infrastructure services and lead teams in building complex cloud solutions. The ideal candidate should have experience in cloud infrastructure management, technical troubleshooting, and systems integration. This role offers the opp ...

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