2,135,960+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 2026

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Embedded Systems Engineer: Bare Metal ARM Firmware

Huber+Suhner in Cambridge seeks an experienced Embedded Systems Engineer to contribute to the development of firmware for ARM-based microcontrollers and enhance hardware-software integration. You will work closely with cross-functional teams on low-level device interfaces and participate actively in Agile pro ...

Marine Autonomy Platform Integration Engineer (Remote)

Sivara GmbH in Plymouth is hiring a Platform Integration Engineer to develop and support autonomous control systems for marine platforms. The role focuses on software integration, testing, verification, and client support across operational environments. Ideal candidates possess a Bachelor's degree in ...

Lead C# .NET Engineer – Hybrid, Up to £100k + Bonus

Client Server is seeking a Lead Software Engineer (C# .Net) to join their team in Reigate. You will manage Agile teams, architect and develop features for a flagship insurance platform, and enjoy a hybrid working model where you'll work from home three days a week. In this role, you will receive a comp ...

Cloud Security Engineer AWS, IaC & CI/CD

Sivara GmbH in Cowley, United Kingdom is seeking a Security Engineer to join our Security Engineering team. This hands-on DevSecOps role focuses on AWS, Infrastructure as Code, automation, and security tooling. You will work closely with security, cloud, and software engineering teams to build, deploy, and su ...

Senior QA Engineer: Automation & CI/CD Leader

hackajob is looking for a Senior QA Engineer to ensure the quality and reliability of a microservices-based platform in the financial services sector. The role focuses on test automation, improving test coverage, and collaborating within an Agile delivery squad. The ideal candidate has strong experienc ...

Senior AI Engineer: GenAI, Azure & .NET Microservices

Sivara GmbH in Glasgow is seeking a Senior Developer / AI Engineer to join a new AI team at the forefront of shaping AI delivery across the enterprise. You will deliver high-impact AI and software solutions, with opportunities to work on complex projects in a hybrid working environment. The role demand ...

Remote DevOps Engineer – AWS/EKS & CI/CD

MPS seeks a skilled DevOps Engineer to drive global film delivery and elevate the cinema experience in Greater London. You will manage and support the Linux infrastructure associated with Newquay, ensuring optimal performance and security across on-premises and cloud environments. Responsibilities incl ...

Remote Senior ML Engineer – Python & AWS, MLOps

Client Server is looking for a Senior Machine Learning Engineer to join a successful car insurance tech company. You will collaborate with Data Scientists and Software Engineers on complex underwriting and pricing systems, implementing ML algorithms and working on data modelling. The role allows for fl ...

Senior Civil Design Engineer Water Infrastructure (Hybrid)

Advance Training & Recruitment Services is seeking a Civil Design Engineer to support a key client in the UK water sector. This role involves delivering civil design solutions across various water projects, both infrastructure and non-infrastructure, and includes working with technical drawings and compliance ...

Lead Dynamics 365 Engineer — Tech Lead & Mentor

hackajob is looking for a Lead Dynamics 365 Engineer (Consultant) to join their team in Belfast. In this role, you will manage teams and develop high-quality D365 CE solutions. You will also coach and support your team members in their career development while providing technical direction. The ideal c ...

IT Systems Engineer: Azure, Networking & SQL Dashboards

An established industry player seeks a skilled IT Engineer to enhance and support their IT infrastructure. This role involves managing computer systems, software, and networks, ensuring optimal performance and security. You'll be responsible for monitoring Microsoft Azure and Office 365, troubleshooting issues, ...

Senior Angular Frontend Engineer — Enterprise Web Apps (Hybrid)

Spica Technologies is looking for a Frontend Software Engineer to join their team in Birmingham. You will be responsible for designing and developing modern web applications using Angular and TypeScript. The role involves working closely with backend engineers and UX designers to create user-friendly experien ...

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 ...

Embedded AI Engineer, Google Cloud Consulting

Google Inc. is seeking a Forward Deployed Engineer in Greater London to build and integrate AI-driven solutions within customer environments. This role bridges cutting-edge AI products with practical deployment, requiring a Bachelor's degree in Engineering or Computer Science and expertise in software develop ...

C++ Backend Engineer Remote/Hybrid Cybersecurity Innovation

Client Server in Cambridge is searching for a talented Backend Software Engineer / Developer specializing in C++. In this role, you'll tackle complex problems and contribute to cutting-edge cybersecurity technologies, collaborating with a diverse team. The position offers a competitive salary up to £80k plus ...

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 ...

GenAI Driven Product Engineer (Hybrid/Remote)

Allstate Northern Ireland Limited is seeking a Product Engineer to design and deliver high-quality application solutions in a hybrid/remote environment. The role involves collaborating with product, project, and quality teams to ensure software reliability while integrating AI capabilities into enterprise sys ...

Senior AI/ML Platform Engineering Lead

J.P. MORGAN is looking for a Senior Lead Software Engineer to influence teams' resources and drive innovative solutions within the AI/ML & Data Platforms group. You will leverage your extensive experience to oversee multi-department projects, making critical decisions to enhance operational outcomes and code ...

Siemens PLC Control Engineer – Bespoke Systems & On Site

Employment Solutions Ltd is looking for an experienced Control Systems Engineer to design and commission bespoke PLC and HMI solutions for diverse industries such as energy, nuclear, and advanced engineering. The successful candidate will have Siemens PLC programming expertise and will engage both in software ...

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 ...

Senior Solution Engineer Manufacturing & Automotive AI

Salesforce, Inc. is hiring a Lead Solution Engineer in Greater London to develop innovative solutions that unify humans and AI for the Manufacturing and Automotive sectors. You will lead technical sales strategies and actively collaborate with customers to drive effective transformation projects. The r ...

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 AI Engineer Production ML & Cloud Solutions

Kainos is looking for a Senior AI Engineer to join their innovative Workday Practice team in Belfast. The ideal candidate will integrate AI and machine learning solutions, ensuring the reliability and performance of AI-driven features. This role requires strong software development skills, particularly in Pyt ...

Senior Backend Engineer: Go & AI for Trading Platform

Fanatics is searching for a Senior Software Engineer (Backend) in the United Kingdom. In this role, you will lead the design and implementation of backend services for our FMX trading platform, utilizing your expertise in Java and Go. Your responsibilities will include ensuring high-performance and fau ...

Senior Structural Engineer — Energy Projects & FEED Lead

MOTT MACDONALD is hiring a Senior Structural Engineer in Newcastle upon Tyne to lead diverse engineering projects. This position involves detailed Civil/Structural designs, project management, and coordination with multidisciplinary teams on power generation projects. The successful candidate will have ...

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 ...

Senior Python Engineer — Cloud, CI/CD & Integration

Sivara GmbH is seeking a skilled software engineer to join our team in Bath. You will contribute to developing core technologies and ensure the successful integration of our systems with project partners. This hybrid role includes on-site work from Monday to Wednesday and the option to work remotely on Thursd ...

Senior Backend Engineer: Finance Data Pipelines

Bloomberg L.P. is seeking a Senior Software Engineer for Index Data EU in London. This role involves building complex data pipelines and APIs while collaborating across teams to design solutions that solve real business problems. Candidates should have strong object-oriented design skills, be comfortable navi ...

Senior Principal Technologist Pro Services & AI Platforms

Amazon is seeking a Senior Principal Software Development Engineer to drive the technical strategy for the P&S Engineering Services portfolio. The ideal candidate will possess a robust background in AI/ML applications, cloud-native systems, and DevOps practices, influencing technical decisions at the highest ...

Lead Design Engineer – Steel, CAD & Structural Analysis

Stafforce-Recruitment is seeking a Senior Design Engineer in Stockton-on-Tees to lead the internal engineering design team for steel-based products. Your responsibilities include organizing design priorities and ensuring accurate design delivery while providing hands-on engineering support using 3D CAD softwa ...

Agentic GenAI Engineer for Finance – Hybrid Glasgow

Hawksworth is seeking an AI Software Engineer to work in a hybrid capacity (2 days in the office) at their Glasgow location. The ideal candidate will have hands-on experience with AI frameworks such as LangGraph and CrewAI, along with skills in containerisation and cloud technologies like AWS or Azure. <p ...

Mid Senior Mobile Engineer (KMP) – Build Cross Platform Apps

Oliver Bernard is seeking a Mid-Senior Mobile Engineer to work on apps using Kotlin Multiplatform to build features for both Android and iOS. This role offers significant responsibilities, including designing, building, and releasing complex mobile capabilities, while ensuring code quality and collaboration w ...

Security Engineer Cloud, DLP & Secure Coding

Barclays is looking for a Security Engineer based in Knutsford. In this role, you will lead the advancement of our digital security landscape by developing and maintaining solutions that safeguard sensitive information. You'll engage with stakeholders to prioritize requirements and set expectations while coll ...

Lead Propulsion Control Systems Engineer

Honeywell Aerospace Technologies in Bristol is seeking a skilled Systems Engineer to take charge of advanced systems and software technologies within the Engine and Power Systems Strategic Business Unit. The role involves working closely with product teams and business leaders, guiding engine controls develop ...

Embedded Firmware Engineer — Medical Devices (RTOS/C++)

Leo Cancer Care is seeking a Software Engineer Embedded Firmware based in Crawley, England. This role involves developing embedded firmware for innovative radiation therapy medical devices. You'll work with cross-functional teams to design and implement solutions, with a focus on enhancing patient outcomes. < ...

AI Driven Security Automation Engineer

Gelato is seeking an Automation Engineer for their expanding security function in Greater London. The role focuses on designing and implementing automation to manage security workflows using AI tools. Ideal candidates will have experience in software engineering, strong programming skills, and familiarity wit ...

Platform Engineer: Developer Tools & DevOps (Hybrid)

Viridiengroup is seeking a Platform Engineer to work on Developer Platform & DevOps Tooling. The role focuses on creating tools and automation that assist engineering teams in developing and operating software on a large-scale HPC platform. The successful candidate will have a solid development backgro ...

Autonomous Marine Control Systems Engineer

Resource Area for Teaching is offering an exciting opportunity for a Control Systems Integration Engineer located in Portsmouth. In this role, you will be responsible for integrating hardware and software for our autonomous marine platforms, including configuring and testing sensors and actuators. The ...

Antenna Systems Mechanical Design Engineer

Solid State PLC in Leominster is looking for a Mechanical Design Engineer to join their Antennas Division. This role involves designing and developing innovative antenna products and systems for various demanding applications in defense and aerospace. The ideal candidate should have a degree in Mechani ...

Lead Geotechnical Design Engineer – London

Penguin Recruitment is seeking a Principal Geotechnical Engineer to join their multidisciplinary engineering consultancy in London. This role offers the chance to lead geotechnical projects and mentor junior engineers while contributing to the strategic growth of a highly respected company. The ideal c ...

AI QE Lead Engineer: Drive AI Driven Quality Across the SDLC

NTT DATA in Greater London is seeking a QE AI Engineer & Architect to join an award-winning Quality Engineering team. This role requires a hands-on approach to product building that spans the entire software development lifecycle, emphasizing innovative AI technologies. The ideal candidate will bring e ...

Backend IoT/OT Systems Engineer Real Time Data

ELLIOTT MOSS CONSULTING PTE. LTD. is looking for a Software Engineer to join their team in Penarth, Wales. The role involves developing and maintaining backend systems for integrative project work connecting OT field devices to digital twins. The ideal candidate will have hands-on experience with proto ...

Applied AI Engineer: Scale LLMs for Firm wide Impact

SwiftCruit seeks a skilled software engineer to join its Applied AI team in London. As part of this team, you will work on AI solutions that transform how various teams operate within the organization. Your role will involve managing high-impact projects and integrating AI systems across multiple departments. ...

Backend Java Engineer II – Real Time Data Platform (Hybrid)

Tesco - Corporate located in Welwyn Garden City is seeking a Software Development Engineer II for a hybrid work environment. The role focuses on developing backend event-driven features using Java and Spring Boot. Ideal candidates will have a solid grounding in Java and an eagerness to learn more about backen ...

Hybrid Forward Deployed Engineer: Python and AWS SaaS

Client Server Ltd. is seeking a Forward Deployed Engineer (FDE Python AWS) in Manchester. This role offers a competitive salary up to £80k, with hybrid working options that include three office days and two work-from-home days. The ideal candidate will have strong backend Python skills, AWS experience, ...

Hybrid Mechanical Design Engineer: Precision Motion & NPI

Enterprise Recruitment Ltd is seeking a Mechanical Engineer to join their progressive business in Cottenham, United Kingdom. In this hybrid position, you'll work three days in the office and two days from home, supporting product modification and NPI activities. The ideal candidate will possess a degre ...

Lead Offshore Wind Structural Engineer with Python Tools

Clarehill Associates Ltd is seeking a Lead Structural Engineer with programming experience in Python and Matlab for a role focused on offshore renewable energy. The successful candidate will lead development for an innovative software tool assisting in the design of offshore wind turbine foundations. T ...

Electronic Test Engineer – PCB Test & Debug (Growth Path)

Career Choices Dewis Gyrfa Ltd is hiring an Electronic Test Engineer in Penshaw. This role involves working with state-of-the-art test solutions for printed circuit boards, including debugging software and designing test fixtures. The ideal candidate should have a strong understanding of electronics, t ...

SAP Automation Test Lead — Hybrid Role (SC Eligible)

Sogeti is recruiting an SAP Lead Automation Test Engineer in London. This role involves leading automation testing for SAP applications, utilizing tools like Tricentis Tosca and Selenium. You'll work closely with developers and analysts to ensure CI/CD integration and manage a team of automation engineers. </ ...

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