253,111+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Staff Android Engineer — Architect (Kotlin/Jetpack)

Marks & Spencer Plc is searching for a Staff Android Engineer to join their software engineering team. The role involves defining the Android platform's technical vision and mentoring engineers across multiple product teams. You will leverage your expertise in Kotlin and Jetpack Compose to enhance the ...

Nuclear Fire Safety Engineer | MAGIC Simulations & Design

1st Select is seeking a Fire Safety Engineer in the East Midlands. This role focuses on ensuring fire safety in engineering design within the nuclear sector by collaborating across disciplines and running essential fire safety simulations. Ideal candidates will have a degree in engineering and hands-on experi ...

Solutions Engineer, API & Integration (Pre Sales) – UK&I

Salesforce, Inc. is actively seeking a motivated Solution Engineer in Greater London. This role involves being a trusted advisor to clients, showcasing how MuleSoft's and Informatica's platforms can revolutionise IT. Preferred qualifications include experience in Pre-Sales within enterprise software, m ...

Electrical Design Engineer & Estimator — Costed Solutions

Rothwell Group Ltd, based in York, is seeking an experienced Electrical Design Engineer / Estimator to join its Projects team. This role combines technical design expertise with commercial awareness, requiring accurate project costings and electrical designs from initial enquiry through to delivery. Id ...

AI Engineer III — Agentic AI for Production & Growth

American Express is seeking an AI Engineer for their Burgess Hill location. This role focuses on developing AI systems leveraging real financial data to enhance customer interactions. Candidates will work collaboratively within cross-functional teams, gaining mentorship while contributing to practical AI solu ...

Senior Hardware Qualification Engineer

AEROCONTACT is looking for a Senior Development Engineer in Wolverhampton who will lead the generation of verification and qualification test evidence to ensure compliance with customer requirements. You will manage and execute development and qualification tests, working within a multi-disciplinary team. </p ...

Principal Engineer — AI SaaS Architecture & Leadership

Fin, located in Greater London, is seeking a Principal Engineer to lead key strategic initiatives within engineering. You will collaborate with cross-disciplinary teams, contribute to software development, and coach other engineers. Ideal candidates have 2+ years as a technical leader, a strong backgro ...

Electronics Engineer: Life Saving Detection

YT Technologies in Hereford is seeking an experienced Electronics Engineer to join a multidisciplinary R&D team focused on life-saving detection products. The ideal candidate will have at least 2 years of commercial experience and a strong degree in Electronics Engineering. In this role, you will work ...

Principal Electrical Engineer Lead Building Services

Hoare Lea in Leeds is seeking a Principal Electrical Engineer to lead the delivery of high-quality electrical engineering solutions. This role requires strong technical knowledge and experience in managing complex building services projects while ensuring technical and commercial excellence. The ideal ...

Contract BMS Engineer – London (Trend/Tridium)

VIGO Recruitment is actively seeking a knowledgeable BMS Engineer for a 6-12 month contract role based in London. The successful candidate will drive hardware and software installations and offer technical support, ensuring solutions meet specifications and are delivered on time. The ideal candidate wi ...

Senior Front End Engineer | Angular & TypeScript | London

Principle HR is seeking a Senior Front End Software Engineer to join a prominent technology organization in London. You will work on a well-established internal platform, responsible for owning features from day one. The role requires 5 years of experience, with an emphasis on Angular and TypeScript. T ...

Ultra Low Latency ASIC Engineer (FPGA/ASIC)

Jane Street is seeking an experienced ASIC Engineer in Greater London to design, test, and deploy advanced hardware designs. You'll collaborate with teams in trading, networking, and research infrastructure while contributing to both FPGA and ASIC technologies. Ideal candidates have over 4 years of exp ...

Technical Project Manager: Heavy Engineering & CAPEX

Nicholas Associates is seeking a Project Engineer based in Rotherham. You will take technical responsibility for project execution while managing design, ensuring projects align with timelines, and supporting sales through data analysis. The ideal candidate holds a mechanical engineering degree and has ...

Lead Data Platform Engineer — Hands on & Impactful

London Stock Exchange Group is seeking a Lead Software Engineer for their Data Platform team. This senior role requires hands-on engineering skills, including building scalable data systems using Python and Apache Spark, alongside providing technical leadership. The ideal candidate will have experience in dat ...

Go Backend Engineer – Agentic Systems & Simulations

Anduril Industries, Inc. is looking for a motivated Software Engineer for their Advanced Capabilities team in London. You will work on developing simulation capabilities and architecting systems that enhance the interaction between autonomous systems and humans in complex environments. The ideal candid ...

Music AI Engineer: Scalable ML & Gen AI

Universal Music Group is seeking an AI Engineer to design and build state-of-the-art AI/ML tools that empower Royalty Managers and Artists. You'll work with cross-functional teams to build robust machine learning solutions impacting various facets of the music industry. The ideal candidate has a strong ...

Mid Full‑Stack Search Experience Engineer – Hybrid (UK)

On the Beach in Manchester is looking for a Software Engineer IC2 to design modern full-stack applications that enhance customer experiences for discovering holidays. You’ll work collaboratively with cross-functional teams to deliver high-quality solutions that drive business performance. This full-tim ...

BMS Commissioning Engineer

Working on behalf of our client based in the West Midlands. We are currently recruiting for a Commissioning Engineer. Key Duties: Work on-site for commissioning projects (majority based in the West Midlands). Occasional projects outside of this area (travel expenses paid). ...

Automation Driven Quality Engineer (Shift Left)

Gear4music Ltd in Stoke-on-Trent is looking for a motivated engineer to develop scalable and resilient applications. The individual will contribute to effective software development and ensure safe, reliable releases while fostering a quality-focused environment within the technical team. The ideal can ...

Senior Civil Engineer Nuclear Structures & Design Lead

Engie is seeking a Senior/Principal Civil Engineer to lead the design efforts for Hinkley Point C and Sizewell C nuclear projects in the UK. The role requires providing civil engineering expertise and managing project delivery in collaboration with clients and contractors. The successful candidate will ...

Remote API Architect for Azure & Event Driven Microservices

SR2 REC LTD is looking for a Senior Software Engineer specializing in APIs & Integration for a 6-month contract, paying £500–£525 per day. This role focuses on transforming a large API estate and migrating services to Azure. You will influence the architectural direction, ensuring best practices in sca ...

Senior SRE & Observability Engineer – Trade Tech

Bloomberg L.P. is seeking a Senior Software Engineer/SRE for the TRAX Observability team in London. This role involves enhancing systems for performance metrics, improving telemetry reliability, and collaborating with various teams across global offices. Candidates should have experience with high-level programm ...

Graduate Mechanical Design Engineer – Automation & Innovation

A global engineering company in the UK is searching for a Graduate Mechanical Design Engineer. In this role, you will work with experienced engineers to develop innovative automation solutions in diverse industries. You are expected to have a degree in Mechanical Engineering and experience with 3D modelling soft ...

Electrical Design Engineer | Hybrid & Fast Track Career

A leading engineering consultancy in Greater London seeks an experienced Electrical Design Engineer to join their innovative team. You will design cutting-edge electrical systems for diverse projects in key sectors including healthcare, education, and commercial. The role offers up to £47,000 plus benefits, incl ...

Gen AI Implementation Engineer — Amsterdam or London

A leading finance technology company is seeking an ambitious Implementation Engineer to join their team. This role involves leading the technical implementation of their product for new customers and driving process improvements. Candidates should have over 3 years of software implementation experience, be famil ...

Customer‑Facing AI Engineer for UK Defence

Northslope Technologies in Greater London is seeking a Forward Deployed Software Engineer. In this role, you will help customers solve critical problems by architecting and maintaining applications that drive measurable business impact. Strong proficiency in Python and/or TypeScript, along with excellent anal ...

BMS Applications Engineer – Build Efficient, Connected Buildings

Metropolitan Services is looking for a BMS Application Engineer to enhance building operations through effective design and support of control and monitoring systems. You will work mainly from our office in Canary Wharf, engaging in travel to project sites as needed. You are expected to have significant const ...

Senior Test Development Engineer (LabVIEW)

Senior Test Development Engineer Location: Glenrothes or Livingston About the role: Responsible for the design, manufacture, verification and validation, along with through life technical support of board level, sub-system and system level test equipment. Skills: • Test software design <br ...

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 ...

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 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 ...

Founding Engineer — Secure Browser Automation, Equity

A leading technology company is looking for a Founding Engineer to join a high-caliber team in London. You will develop a mission-critical browser automation engine and work in a culture brimming with innovation and autonomy. The ideal candidate should have a passion for building secure solutions and previous ex ...

Senior Design Quality Engineer SaMD and IEC 62304 Expert

BioTalent is assisting in hiring a Senior Design Quality Engineer in Greater London, UK. This role involves supporting design and risk activities, and creating technical file documentation. As one of the first UK hires, you will collaborate with a global team and make a substantial impact in a transformative ...

Cloud Engineer: Kubernetes, CI/CD & Observability

Tata Consultancy Services is seeking a Cloud Engineer in the West of England. In this role, you will be responsible for building and supporting shared hosting services, utilizing tools such as Kubernetes and GCP. Your work will involve continuous process improvements and DevOps practices, ensuring that software ...

Senior Python & Quant Infrastructure Lead

Quanteam UK is seeking an experienced Python Tech Lead / Quant Infrastructure Engineer to support the development of a modern analytics and engineering platform. This role involves building scalable infrastructure and improving development tooling within Credit and Capital Management. Candidates should have over ...

AI Quality Assurance Engineer — Automation & Reliability

Neura Market is seeking a skilled Software Quality Engineer to ensure the highest standards of quality for our AI-powered applications. This role, pivotal in implementing robust quality assurance strategies, offers you the chance to work at the forefront of AI innovation. With expertise in programming ...

Power Systems Engineer — Grid Studies & Renewables

Jacobs is seeking a Power System Engineer to join our Future Energy & Power Systems team in Manchester. You will be responsible for modelling power systems and carrying out studies for major clients globally across various energy sectors. The ideal candidate will have a degree in Electrical Engineering ...

Senior AI Platform Engineer & Tech Lead

Compare the Market in Peterborough is seeking a Senior Software Engineer for AI Native Platforms. In this role, you will lead the design and development of AI agent interaction services while mentoring engineers. Your responsibilities include driving the application of GenAI to modernise systems and influencing ...

London ML Engineer: AI CAD & Simulation, 4 days in office

A cutting-edge tech company based in London is seeking an experienced engineer to take on a hands-on role in developing AI-powered software solutions. You will collaborate directly with the CTO to design vital product functionalities, focusing on numerical optimisation, physical simulation, and advanced robotic ...

Senior .NET Engineer Real Time Cloud Microservices

Genius Sports Group in Greater London is seeking an experienced Software Engineer to join a high‑performing team within the Betting division. You will focus on delivering technical and product innovations for leading Sportsbook and Risk Management products, promoting real‑time system design and high‑quality c ...

Senior .NET Engineer: Microservices & Cloud (Hybrid)

A leading financial services company based in the UK seeks a Senior Software Engineer to be part of the core engineering team. This hybrid role involves driving the technical transformation of a large system into a microservices architecture. Candidates should have over 6 years of experience, strong skills in C# ...

Founding AI Engineer: Healthtech Platform (Equity)

A healthcare technology startup is seeking a Founding Engineer to lead the development of an AI-powered Neurodevelopmental Operating System. This role involves building secure, production-grade software to enhance ADHD and autism assessments within NHS workflows. Ideal candidates will have 1-4 years of full-stac ...

Principal Research Systems Engineer

Job SummaryBased at our Global Technology Centre Bristol we are looking for a Principal Engineer with a strong background in Systems Engineering to help shape the future of flight. Our aim is to deploy a modern systems engineering ethos across the broad domains within the portfolio (Software, Controls, Struct ...

Principal Platform Architect — Field Enablement

Centrica is seeking a Principal Software Engineer to provide technical leadership and architectural vision for the Field Platform. You will define the long-term architecture and lead efforts to improve performance and reliability while driving innovation through AI-enabled tooling. Your role will invol ...

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 ...

Backend Engineer, AI Data Platform (On Prem + Cloud)

DataDirect Networks (DDN) in Bristol is looking for a Backend Software Engineer to join the Control Plane team of the Infinia AI Data Platform. This position is crucial in building backend services that support manageability and automation across hybrid environments. You will enhance API frameworks, de ...

OT Security Engineer – Nuclear Plant (On‑Site)

ALTEN LTD - UK is seeking an Operational Technology (OT) Engineer in Heysham to support the nuclear sector. The role involves ensuring the security and compliance of OT systems, offering opportunities for hands-on experience and skill development in a safety-critical environment. Candidates should have ...

Remote 2nd Line IT Engineer — M365 & Azure Expertise

Redsquid, located in Glasgow, is seeking an experienced 2nd Line Technical Support Engineer to join our team. You will be responsible for diagnosing and resolving various IT issues remotely, building and configuring hardware and software solutions, and providing excellent customer service. The ideal ca ...

Graduate Mechanical Design Engineer Hands On CAD & Growth

V7 Recruitment is seeking a Graduate Mechanical Design Engineer to join a growing engineering business in Runcorn, England. This role is a fantastic opportunity for graduates or early-career engineers to gain hands-on design experience in a dynamic environment. The successful candidate will create 3D m ...

Lead Substation Engineer: Secondary Design & Turnkey HV

Snc-Lavalin is hiring a Lead Secondary Engineer in Birmingham, UK. The role involves technical leadership for secondary engineering in projects related to HV GIS/AIS substations, including managing design packages and coordinating with local and remote teams. Candidates should have a degree in electric ...

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    Fullstack Software Engineer Java React Aws Jobs in United Kingdom Job Search Guide, Trends and Insights