254,871+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Senior Civil Engineer – Hybrid: Sustainable Land Development

A leading engineering consultancy in Cambridge is seeking a Civil Engineer focused on sustainable land development projects. The role involves designing drainage strategies, preparing technical reports, and engaging with clients and local authorities. Ideal candidates will hold an MEng or BEng in Civil Engineeri ...

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 C#/.NET Engineer for Risk Systems (Hybrid London)

A financial services vendor in Central London is seeking a Senior Software Engineer with expertise in C# and .NET to join their dynamic team. The role involves immediate contributions to web application design and development, while also fostering collaboration and innovation. Ideal candidates have experience wi ...

Senior Backend Engineer — Healthcare Data Platform (London)

A healthcare data platform company is looking for a Software Engineer to develop backend systems for managing large healthcare datasets. The role involves building data pipelines, developing APIs, and working closely with product teams to address real-world challenges in independent physician practices. Situated ...

Hybrid Automation Test Engineer: API & Data Validation

A leading software company in London is seeking an Automation Test Engineer to join their team. This hybrid role will involve working onsite 2-3 days per week. The ideal candidate will have a strong background in integration and API testing, solid database knowledge, and the ability to communicate effectively wi ...

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 ...

Blockchain Engineer Tokenization & On Chain Infra

A leading fintech company in Belfast seeks a Blockchain Engineer to develop secure, reliable blockchain components for digital capital markets. Responsibilities include designing smart contracts, integrating blockchain technologies, and collaborating with cross-functional teams. The ideal candidate has over 3 ye ...

Senior Civil Engineer BIM Design Lead and Chartership Path

Verelogic is looking for a Senior Civil Engineer to join its design team in Derby. This role offers the opportunity to work on a variety of projects across different sectors, with structured support towards chartership. The ideal candidate will have a degree in Civil Engineering and 3-5 years of experi ...

Hybrid Senior C++ Engineer – High Performance, Low Latency

Darktrace Ltd in Cambridge is looking for a Senior C++ Software Engineer to join their R&D team. In this hybrid role, you'll design and develop high-performance systems using modern C++. You will contribute to innovative solutions that enhance Darktrace’s cybersecurity services. The position requires s ...

Project Engineer – Systems Design & Deployment

A leading design and manufacturing company in East Midlands is seeking a dedicated Project Engineer to join their team. The successful candidate will play a crucial role in project execution, developing system designs, conducting technical reviews, and creating necessary documentation. Candidates should have tec ...

Senior Embedded Engineer — Lead Mobility Tech (4 Day Week)

Join Handicare as a Senior Embedded Software Engineer in Kingswinford, where you will lead the design and development of advanced electronic systems. This role offers a unique opportunity to shape mobility technology while mentoring a growing technical team. With a 4-day working week, you will influenc ...

Compute Platform Engineer II: Scalable HPC & Cloud DevOps

GlaxoSmithKline is seeking a Compute Platform Engineer II to join our team in Greater London. This role involves designing and building tools for a hybrid cloud environment, helping us transform our data capabilities and accelerate application development. The ideal candidate should have a strong backg ...

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 ...

DevOps & Infrastructure Engineer — Cloud, IaC & Automation

Computer Futures is seeking a skilled DevOps & Infrastructure Engineer to enhance mission-critical systems in the UK. This role involves ownership of infrastructure, ensuring systems are secure, scalable, and resilient. You will collaborate with software engineers and support teams, overseeing CI/CD processes ...

Senior AI Dev Tools Engineer for ML Workflows

Arm in Cambridge is looking for a driven engineer to deliver impactful software solutions. The role includes collaborating within a diverse team on the next generation of Arm-powered ML hardware. Key requirements include proficiency in programming languages, a collaborative mindset, and experience with ...

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- ...

Kotlin Backend Engineer — Fintech (Hybrid)

A forward-thinking financial services company in Manchester is looking for a skilled Software Engineer to enhance its innovative banking services. In this role, you'll write clean, maintainable code using Kotlin while working collaboratively in an Agile environment. This hybrid position requires in-office presen ...

Senior Engineer, Ad Tech & AI Platforms

A leading media company in Greater London seeks a Senior Engineer to drive the design and implementation of advertising products. You will mentor engineers and lead the development of scalable systems in an ad tech environment. Applicants should possess at least 8 years of software engineering experience and str ...

BMS Service Engineer: Commissioning & Faultfinding

MK Search is seeking a skilled BMS Engineer for a leading M&E Contractor located in London. The ideal candidate will have expertise in servicing, commissioning, and supporting projects across multiple sites. This role involves fault finding, developing software strategies, and testing BMS systems. Bene ...

Lead ML Engineer — Player Coach for Production ML

Youlend is seeking a Lead Machine Learning Engineer based in London, responsible for building and maintaining production-grade ML systems. This role combines hands-on engineering with team leadership, where you'll mentor others while contributing to the deployment and monitoring of ML models. The ideal ...

Full Stack Engineer for Desktop App & IDE Extension

OpenAI is looking for a Full Stack Software Engineer to contribute to the Codex desktop application and IDE extension. You will own the development of features through the entire stack, from UI to backend services, ensuring performance and reliability. The ideal candidate has a strong foundation in Typ ...

Senior C# Engineer for Greenfield Trading Systems

An innovative proprietary trading firm in London is looking for a Senior C# Software Engineer. You will work on greenfield projects and use cutting-edge technology to influence trading systems. The ideal candidate will have a strong background in C# and .NET, alongside experience with database technologies such ...

Python Engineer for Front Office Trading Platform

A diversified trading firm in Greater London is seeking a Python Engineer to join an established trading team. This role involves collaborating directly with traders to influence the design of the trading system and developing efficient solutions. The ideal candidate has over 3 years of professional experience i ...

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 ...

DV Cleared Cloud Platform Engineer

Adecco is seeking a DV Cleared Software / Platform Engineer for locations in London, Cheltenham, or Manchester for a duration of 6 months. The role involves building and supporting cloud-native, automated platforms in a high-impact technology organization. The ideal candidate will have strong experienc ...

Senior Mechanical Design Engineer — Hybrid, Growth Path

Synergy Personnel Services is looking for a Senior Mechanical Design Engineer to join their established consultancy in Nottingham. The ideal candidate should possess a background in Building Services, with expertise in design software such as AutoCAD and Revit. This role offers a competitive salary between GBP50 ...

Principal Civil Structural Engineer Hybrid Working

Snc-Lavalin seeks a Principal Civil Structures Engineer for its Birmingham office. The successful candidate will manage technical design work on high-profile projects in the Energy and Defence sectors. Key responsibilities include coordinating a team of engineers, producing design documentation, and supporting p ...

Lead Electrical Engineer: Hybrid & Sustainable Buildings

A renowned engineering consultancy based in Manchester seeks a Principal Electrical Engineer to lead the delivery of high-quality, sustainable engineering solutions. The role involves managing project teams, ensuring the technical excellence of designs, and promoting services to clients. Candidates should have e ...

Automation Driven Quality Engineer (Shift Left)

Gear4music Ltd, located in Southampton, is looking for a motivated engineer to join their Quality Engineering team. This position emphasizes creating scalable applications, effective software development, and implementing CI/CD processes. You will collaborate with a friendly team and be involved in diverse pr ...

Principal Cybersecurity Engineer Threat Detection (Visa)

NewsNowGh is seeking a Principal Cybersecurity Engineer in London. This role offers a unique opportunity for senior engineers to work on advanced cybersecurity systems in a financial services context. The successful candidate will focus on designing security capabilities that leverage large-scale telemetry an ...

Backend Engineer in London LA International Computer Consultants Ltd

Staff-Level Full-Stack Software EngineerLocation: 108 E 16th Street, New York, NY 10003Salary: £130,000 - 143,000 per yearRequirements:Strong experience building secure, scalable backend systems in Python and/or GoDeep understan ...

Runtime Enforcement Lead for Unity Catalog

A leading data and AI company in Greater London is seeking a Senior Staff Software Engineer to lead the Unity Catalog Runtime Enforcement team. The role entails building and securing runtime enforcement for data access and authorization, mentoring team members, and ensuring high standards of operations. Candidat ...

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 ...

AI Agent Engineer — Build Scalable Conversational Tech

Decagon, based in Greater London, seeks an experienced software engineer to join the Agent Engineering team. This role focuses on designing and building AI agents to enhance customer interactions across various industries. Ideal candidates should have over 3 years of experience, expertise in Python and Typescrip ...

Principal Go Engineer Distributed Systems (Hybrid, Equity)

Burns Sheehan is looking for a Principal Software Engineer in Greater London, offering a salary of £160,000-£200,000 plus a 15% bonus and equity. The role involves leading technical direction, shaping architecture, and mentoring teams in a well-funded deep-tech company focused on transforming life sciences throu ...

Staff Product Engineer — AI Driven Infra Leader & Mentor

A dynamic technology company in the UK is seeking a Staff Product Engineer to provide technical leadership, mentor engineering talent, and optimize software delivery for users. You will play a crucial role in shaping the technical strategy and ensuring high-quality output across teams. The ideal candidate will h ...

Senior Code & Architecture Auditor

Intelance is seeking a hands-on Principal Engineer for a technology audit with a major UK retailer. The ideal candidate will review home-built platforms and assess their quality, helping to translate findings into clear recommendations for senior management. Candidates should have extensive software engineeri ...

Senior Electrical Engineer, Hyperscale Data Centers

Google Inc. seeks an experienced electrical engineer for their Data Center Engineering team. The role involves designing and delivering large-scale systems and infrastructure, with responsibilities ranging from concept design to construction and project management.The ideal candidate will have a Bachel ...

Applied AI/ML Lead VP, Financial Services AI

NLP PEOPLE is seeking an Applied AI / ML Lead – Vice President – Machine Learning Engineer to advance AI in financial services. Located in Greater London, the role combines technical leadership with responsibilities in building scalable data science capabilities and collaborating with software engineering teams. ...

Senior DevSecOps Lead: Artifact & Supply Chain Security

S&P Global is looking for a DevSecOps Engineer specializing in Artifact Management & Software Supply Chain Security. The role involves securing enterprise artifacts throughout CI/CD pipelines, implementing policies for dependency management, and collaborating with engineering teams to ensure compliance with s ...

Solutions Architect

Type: Full Time | Location: UK Remote | Date posted: 08/04/2026 About CirrusHQ CirrusHQ is a fast-growing AWS Premier Partner. Our AWS certified team works collaboratively with our customers, helping them deliver their strategic objectives by designing, building, migrating and suppo ...

Senior Business Development Manager – National Security & Defence, Global Coalitions

DescriptionWould you like to be at the centre of how allied nations adopt cloud and AI technologies to meet the most pressing national security and defence challenges of our time? Do you have the commercial acumen, defence sector understanding, and drive to serve as the connected fabric between countries as ...

AI Sales Specialist Healthcare, Local Government and Non Profit Organisations, UK Public Sector

DescriptionAWS is looking for a Principal AI Sales Specialist to lead the adoption of AI across UK Public Sector — spanning Healthcare, Local Government, and Non-Profit Organisations. You'll help NHS bodies, councils, and mission-driven organisations harness the power of AI to transform outcomes for citizens ...

BMS Service & Commissioning Engineer

BMS Service & Commissioning Engineer Role Working across Berkshire and covering into areas of London Supporting a range of BMS projects across both service and commissioning works Commissioning projects Building strong relationships with custome ...

Power Systems Studies Engineer

We are seeking a Power System Studies Engineer for a 6-12 month assignment, based in Leatherhead, Surrey to support Aramco projects. The contract will be outside of IR35 subject to IR35 determination and will require the successful candidate to be in the office 4 days a week and work remotely 1 day a week. ...

Mechanical Design Engineer

Talentmark are recruiting for a Mechanical Design Engineer to join a building services contractor located in Alfreton on a permanent basis. This is an on site job 5 days a week. Salary: £50,000 - £60,000 depending on experience. Responsibilities Creating detailed design draw ...

Electronics Engineer Consultant Security Clearance

Electronics Engineer Consultant - Security Clearance - Cambridge We are looking for an Electronics Engineer Consultant with a focus on security cleared projects. The role involves providing expert design consultancy to a range of clients in the MOD and other sensitive technology sectors. R ...

RF Engineer

RF Engineer An exciting opportunity for an experienced RF Engineer to join an innovative stealth start-up in Saffron Walden to focus on developing, testing, and enhancing RF circuits, antennas, and systems to meet performance, reliability, and regul ...

RF Engineer

Job DescriptionRF Engineer An exciting opportunity for an experienced RF Engineer to join an innovative stealth start-up in Saffron Walden to focus on developing, testing, and enhancing RF circuits, antennas, and systems to meet performan ...

RF Engineer

RF Engineer An exciting opportunity for an experienced RF Engineer to join an innovative stealth start-up in Saffron Walden to focus on developing, testing, and enhancing RF circuits, antennas, and systems to meet performance, reliability, and regul ...

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