2,330,368+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring July 2026

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Senior Ruby on Rails Tech Lead – Build, Guide & Influence

A leading experience commerce platform in London is seeking a Senior Software Engineer to develop core services and mentor team members. This role involves building and maintaining Ruby on Rails applications, optimizing performance, and collaborating with product leaders on technical strategies. The ideal candid ...

Senior Ruby on Rails Engineer & Tech Lead

Easol Trading Limited is seeking a Senior Software Engineer in Greater London to develop core services and mentor engineering talent. This role involves building and maintaining Ruby on Rails applications, leading teams, collaborating on product development, and ensuring high-quality engineering practices. You w ...

Senior JVM Kotlin Backend Engineer (Hybrid, London)

A leading technology firm is seeking a Senior Software Engineer to design and build essential backend services for a scalable marketing platform. The role requires a strong foundation in JVM-based development, preferably Kotlin, along with robust SQL experience and knowledge of automated testing. You will collab ...

Senior Backend Engineer, Flights Booking (Hybrid/Remote)

On the Beach is looking for a Senior Software Engineer to join their Flights Booking team in Manchester. You will build scalable backend systems to connect customers with flight providers and ensure a seamless booking process. This role requires strong skills in distributed systems and operational exce ...

Senior Geotechnical & Foundation Design Engineer

A leading construction engineering company in Ipswich is looking for a Senior Design Engineer to deliver robust foundation design solutions for major projects. The ideal candidate will have a degree in Civil, Structural, or Geotechnical Engineering and 5 to 8 years of relevant experience. Responsibilities includ ...

Senior Mechanical Engineer Data Centre & Mission Critical

A leading engineering consultancy in Leeds seeks a Principal Mechanical Engineer to deliver high-quality, sustainable solutions in Data Centre projects. The role involves leading design delivery, managing client relationships, and ensuring project success with a focus on innovation. Ideal candidates will hold Ch ...

Production AI Security Engineer for Enterprise Systems

A leading AI consultancy in Greater London is seeking a Forward Deployed Security Engineer to work with enterprise teams, ensuring AI systems operate securely and reliably in production. The role involves identifying vulnerabilities, designing secure architectures, and hardening systems in complex environments. ...

Junior Java Engineer, Digital Engineering Belfast

EY UK is looking for a Junior Java Engineer in Belfast to join their expanding Digital Engineering team. This role involves coding new backend developments, quality assurance of program specifications, and collaborating with product teams to meet client needs. The ideal candidate will have at least 2 y ...

Senior Civil Design Engineer Water (BIM Enabled)

ARCADIS is seeking a Senior Civil Engineer in Cambridge to lead and support wastewater and clean water projects. The role involves collaboration with clients and project stakeholders, ensuring the preparation of high-quality design documentation and drawings. The ideal candidate will have a degree in C ...

Lead Rust Engineer — Cloud & AWS (Remote)

FRG Technology Consulting is seeking an experienced Lead Software Engineer to join their innovative team in a remote, permanent role. In this position, you will develop solutions leveraging Rust and AWS, contributing to projects that drive both efficiency and growth. The ideal candidate will have stron ...

Senior Digital Engineering Project Leader

Capgemini is seeking a Senior Project Engineer based in the UK to drive engineering transformation within the defence sector. The role requires a blend of technical expertise and strategic consulting skills, focusing on the implementation of advanced digital engineering tools to improve product development pr ...

Senior Front End Digital Design Architect for Chiplet SoCs

Software Placements is sourcing a Senior Principal Digital Front-End Design Engineer for a leading Multinational Semiconductor Company in Edinburgh, Scotland. This role requires onsite presence 4 days per week. The ideal candidate will have over 12 years of experience in the microelectronics industry, ...

Senior Security Engineer: Build Automated Security Tooling

Hopper is seeking a Senior Security Engineer to lead the tooling and processes that ensure application security throughout its lifecycle. In this role, you will develop systems that make security an automatic part of the developer workflow while leveraging AI to enhance efficiency. The ideal candidate ...

Power & Performance Engineer for SoC Robotics & Automotive

Arm Limited is seeking a hands-on Power and Performance Engineer to join its Platforms and Performance Analysis team in Cambridge. This role focuses on power and performance profiling of SoC platforms for the robotics and automotive markets. The ideal candidate will have strong experience with Linux-ba ...

Senior Structural Analysis Engineer — F1 High Performance Structures

Cadillac F1 Team in Silverstone is seeking a structural engineer to lead simulations and optimisations for high-performance designs. This position requires expertise in finite element methods and collaboration with design teams to influence design evolution. The ideal candidate will have a strong backg ...

Electrical Design Engineer – Automated Control Systems

Permanent Futures Limited is seeking an Electrical Design Engineer to join their team in Sheffield. As part of an expanding engineering business, you will design electrical control systems and contribute to project delivery within a dynamic R&D environment. The ideal candidate will have a degree in Ele ...

Remote Test Automation Engineer

Version-1 is seeking a Software Engineer in Test to join our agile team in Belfast. You will be responsible for performing both manual and automation testing to help clients achieve their business transformation goals. The ideal candidate should have practical experience with tools such as Cypress and ...

Lead AI & Data Engineer Java, AWS, Agentic AI

JPMorgan Chase & Co. is seeking a Lead Software Engineer to design and deliver cutting-edge AI and data engineering solutions. Located in Glasgow, this role involves collaborating with cross-functional teams to develop scalable, secure, and market-leading technology products. The ideal candidate will h ...

Systems Integration Project Engineer

Energy Jobline CVL in Bristol is seeking a Project Engineer to facilitate the delivery of integration tools. You will work closely with development teams and project leads to ensure compliance with safety documentation while managing software packages on COTS hardware. This role demands strong problem- ...

Global Automation Project Engineer (Travel)

Energy Jobline CVL in Newbury is seeking an Electro-Mechanical Project Engineer to manage engineering projects from design through to installation. The role provides opportunities in a collaborative technical environment, focusing on custom-built equipment solutions for various industrial sectors. The ...

Senior Electronics Engineer RF & Mixed Signal Systems

Filtronic Plc in Cambridge is looking for a talented Electronics Engineer to join their Systems Engineering team. This role involves designing and developing advanced analogue and digital electronic systems in a multidisciplinary environment. You will collaborate with RF, software, and firmware enginee ...

Senior Game Security Engineer — Lead & Build Security Team

A leading video game development studio in Oxford is seeking a skilled Lead Game Security Engineer to shape the security architecture for new projects. The role involves building a team to combat threats like cheating and piracy while collaborating closely with engineering teams. Candidates should have extensive ...

Senior Platform Driven AI Engineer for Client Solutions

Enablis in Leeds is seeking an AI Engineer to drive their AI capabilities by building production-grade solutions for clients and internal use. You'll work closely with the CTO and engineering leadership to enhance their internal AI platform, developing advanced AI tools and solutions. The ideal candida ...

Product Engineer: End to End HealthTech Impact

Stott and May is seeking a Mid-Senior Product Engineer in Greater London. This role offers the chance to shape product decisions and influence technical direction in a fast-growing, product-led HealthTech start-up. You will collaborate closely with customers, product managers, and designers, ensuring t ...

Hybrid Senior Modelling Engineer — Run Training Algorithms

A leading fitness technology firm based in Greater London is seeking a Software Engineer with expertise in Python to join their Train Team. You will be responsible for building and delivering innovative training features, leveraging data-driven approaches, and coaching fellow engineers. The role offers a competi ...

Senior Real Time Streaming Platform Engineer

ON.com is looking for a skilled Streaming Platform Engineer to join our Data Streaming Platform team in Greater London. This hybrid role combines platform, software, and data engineering responsibilities, focusing on building and maintaining a high-performance real-time data streaming platform. The suc ...

GCP DevSecOps Architect: Rego & Terraform Expert

Sugama Technologies LTD is seeking a skilled DevSecOps Engineer specializing in Google Cloud Platform (GCP). You will enhance software development security processes on GCP, focusing on Rego policies and Terraform. Your responsibilities include developing security controls, integrating security into CI ...

Senior Kubernetes Platform Engineer — Scheduler & Scale

Menlo Ventures is seeking a highly skilled engineer to manage and extend their Kubernetes scheduling capabilities. As part of a dynamic team, you will ensure reliability and availability of core systems essential for frontier AI training. The ideal candidate will possess extensive software engineering experie ...

Senior ML QA Engineer: Automate & Validate AI Models

Autodesk is seeking a Senior Machine Learning QA Engineer in Greater London. You will collaborate with researchers and engineers to ensure quality for machine learning systems, automate QA workflows, and mentor teams on best practices. The role requires strong Python programming skills, a background in softwa ...

GCP DevSecOps Engineer | Rego & Terraform Expert

Sugama Technologies LTD is seeking an experienced DevSecOps Engineer specializing in Google Cloud Platform (GCP). In this role, you'll ensure the security of our software development processes through the implementation of Rego policies and Terraform to manage GCP resources efficiently. The ideal candi ...

Golang Backend Engineer Product Focused, Hybrid, London

Octopus Money Limited is seeking a Backend Engineer to join their dynamic team in London. The role emphasizes using Golang to develop scalable applications while collaborating closely with product managers and frontend engineers. Ideal candidates should have over 3 years of experience in software devel ...

AI‑Powered Digital Verification Lead (Edinburgh Onsite)

Software Placements is seeking a Lead Digital Design Verification Engineer for a role based in Edinburgh, Scotland. This position requires onsite presence 4 days per week and involves defining cutting-edge verification tools with a focus on AI and Machine Learning. The ideal candidate will have over 4 ...

Senior Electrical Design Engineer – Grid & HV/LV Connections

Energy Jobline ZR is seeking a Design Engineer (Electric) in Leatherhead, UK. The role involves supporting technical assessments and ensuring safe integration onto LV and HV networks, focusing on distributed connections like solar PV and CHP. The ideal candidate will have strong electric engineering de ...

Senior Electrical Engineer – Critical Data Centre Systems

Beeby Anderson Recruitment is looking for an experienced Electrical Engineer for their London office. In this role, you will lead electrical design for Data Centre projects across various stages while collaborating with a multidisciplinary team. The ideal candidate will have a Bachelor’s degree in Elec ...

Hybrid Service Desk Engineer IT Support for SMEs

Mirus IT is hiring a Service Desk Engineer for their Milton Keynes office. This role focuses on technical support for software, hardware, and network issues, ensuring high-quality service in a hybrid work environment. Candidates should have strong communication skills and prior experience in supporting SMEs. ...

Embedded Safety Test Engineer – CI/CD & SIL/HIL

SR2 | Socially Responsible Recruitment | Certified B Corporation™ is seeking a Sharp QA & Test Engineer in Abingdon. This role involves designing and executing test strategies for safety-critical embedded software, ensuring compliance with industry standards. The ideal candidate will have hands-on QA/t ...

Remote Automotive Reverse Engineer (MCU/ECU, C/C++)

Ernest Gordon Recruitment is seeking an Automotive Software Engineer specializing in reverse engineering for a fully remote position. Join a leading aftermarket automotive tuning product supplier, working with top performance vehicles and a talented team of embedded engineers. Your role involves comple ...

Hybrid Structural Engineer — Design, BIM & Mentorship

AECOM is seeking a Structural Engineer to join our team in the South West, particularly in Plymouth or Bristol. The role includes assisting with the design of complex projects, managing smaller projects, and providing technical guidance to junior engineers. The ideal candidate holds a Bachelor’s degree ...

Lead Firmware Architect Hybrid, High Impact Tech

Talentedge is supporting a well-known consumer products business in their search for a Lead Firmware Engineer in Wembley, United Kingdom. This role offers the opportunity to lead a small team, own software architecture decisions, and maintain hands-on engagement with embedded systems development. The i ...

Senior AI Engineer Python & ML Production Lead

Just Eat Takeaway.com is looking for a Senior Engineer to join their Enterprise AI team in Greater London. In this role, you will design, build, and deploy AI-powered solutions that provide significant business value. You will be responsible for developing scalable software solutions, leading AI projec ...

Real Time Distributed Market Data Systems Engineer (Python)

NJF Global Holdings Ltd is seeking a Software Engineer to build a next-generation Tick Data Platform from scratch. Join a greenfield engineering initiative where you will collaborate closely with researchers and engineers to design scalable distributed systems that impact quantitative research and trading. </ ...

DevSecOps Security Engineer — Hybrid (London/Bristol)

HealthHero Services Ltd is seeking an experienced Application Security Engineer to join their team in London or Bristol. This role focuses on security across the software development lifecycle, with key responsibilities including implementing CI/CD security testing and conducting vulnerability management. </p ...

Senior Highway & Infrastructure Design Engineer

Sutcliffe in Liverpool is seeking an experienced highway and infrastructure engineer to join our team. The role involves producing infrastructure designs that influence master planning and designing drainage and highway projects using industry-standard software. The ideal candidate will hold a degree i ...

NVH Engineer – Stealth Marine Systems (On Site)

Gold Group is seeking an experienced NVH Engineer to join their defence engineering team in Barrow-in-Furness. This role involves working on advanced marine systems, developing test procedures, and analyzing noise and vibration measurements to meet stealth performance goals. The ideal candidate will po ...

Senior Integrations Engineer — Build the Telecom OS & APIs

Gigs is looking for a Senior Software Engineer, Integrations in Greater London. This role emphasizes backend expertise and system integration, aiming to create seamless telecom solutions. Ideal candidates will demonstrate strong API design skills, effective communication, and a collaborative mindset. O ...

Lead Mechatronic Systems Engineer

HCLTech in Rocester is seeking a highly experienced Principal Systems Engineer to lead the development of complex mechatronic systems in an off-highway and automotive environment. This role requires defining system architecture, driving model-based development, and seamless integration of hardware and softwar ...

BMS Commissioning Engineer – On Site (West Midlands)

Adapt Recruitment is seeking a Commissioning Engineer based in Birmingham to work on commissioning projects, primarily in the West Midlands. The role involves completing commissioning documentation, providing technical support to junior engineers, and writing BMS software as needed. The ideal candidate ...

Intern: Visual Simulation & 3D Data Pipelines

Lodestar Space based in London seeks a motivated Software Engineer Intern to support the Perception team in enhancing synthetic dataset generation systems. This role will involve hands-on experience with modeling, automation scripts, and game engine development. The ideal candidate should be pursuing a ...

Senior Aero Mechanical Design Engineer Wind Tunnel Lead

Cadillac F1 Team is seeking a Senior Aero Mechanical Design Engineer at Silverstone. In this role, you will help develop the team's wind tunnel model, designing mechanical and electromechanical systems. You'll ensure high-quality designs and collaborate closely with the aero department. The ideal candi ...

Senior Quality Engineer: Lead Cross‑Team Quality

Join Opus 2 as a Senior Quality Engineer, where you'll lead quality initiatives and empower teams across our AI-driven SaaS platform. You'll coach and collaborate with cross-functional squads, elevating their quality capabilities and influencing software design fundamentally. We're looking for experien ...

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