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

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    Senior Substation & Grid Engineer

    Quality Technology Services, LLC is looking for a Senior Substation/Grid Connection Engineer to support utility infrastructure and ensure successful project execution. The role involves collaboration with multiple stakeholders, leading high voltage substation design and overseeing installation processes. ...

    Aviation Cybersecurity Lead Engineer

    Evolito Limited is looking for a Lead Product Cyber Security Engineer to enhance aviation cybersecurity across electric propulsion systems. The role involves establishing cybersecurity frameworks, overseeing risk assessments, and integrating security into development processes. The ideal candidate will ...

    Senior Node.js/TypeScript Engineer — Remote First, High Impact

    A healthcare technology company is seeking a Senior Software Engineer to join their team. This remote-first role primarily focuses on backend development using Node.js and TypeScript, contributing to transformative healthcare solutions. You will help define processes as the company transitions into a scale-up an ...

    Senior Backend Engineer: Python, APIs, Hybrid + Equity

    Humand Talent is seeking a Senior Software Engineer to join a dynamic technology company in the United Kingdom. This role involves building reliable, scalable applications and APIs using Python while contributing to technical direction and platform architecture. The position offers a hybrid working mod ...

    Senior IoT Firmware Engineer (Embedded)

    A global technology company in the United Kingdom is seeking a Senior Software Engineer to join their team developing next-generation camera-centric devices. You will take charge of your backlog, work collaboratively, and lead technical issues. The ideal candidate has strong experience with C/C++ programming, me ...

    Senior Backend Engineer: Scalable Systems & Tools

    APPLE is looking for a software engineer to join their documentation engineering team in Greater London. This role focuses on backend technologies, API design, and improving existing systems. Candidates should have experience with web applications, a passion for product development, and strong communication skil ...

    Solutions QA Engineer: Hybrid Role with AI Testing & Travel

    A leading solutions provider in Basingstoke is seeking an experienced Solutions QA Engineer to ensure the quality of internally developed and third-party solutions. You will collaborate with developers and stakeholders to enhance product reliability and drive testing processes. Candidates should have over 5 year ...

    Senior Backend Engineer AI Platform & Scalable Systems

    A leading AI technology firm in Greater London is seeking a Backend Engineer to own and architect systems essential for AI agents. In this role, you will design resilient infrastructure ensuring reliability and rapid iteration. Candidates must have extensive experience in production software development, strong ...

    Principal Civil Engineer: Urban Development Leader

    A leading engineering consultancy in Guildford is seeking a skilled Principal Engineer to lead projects in civil engineering and urban development. The role involves managing design deliverables, collaborating with multidisciplinary teams, and mentoring junior staff. Candidates should have a degree and Chartered ...

    Senior Lead ML & GenAI Engineer — Cloud, NLP, Production

    Join JPMorgan Chase as a Senior Lead Software Engineer in Glasgow, focusing on architecture, development, and deployment of ML and LLM-powered solutions. You will drive significant business impact while collaborating with a global team to enhance technology products. This role requires strong engineeri ...

    Senior Rust Engineer Embedded & Open Source Systems

    Fast Forward in Cambridge is seeking a software engineer with strong Rust programming skills to join their team dedicated to open source development in the semiconductor industry. Candidates should have a solid understanding of Rust and its ecosystem, proficiency in C, and familiarity with embedded systems. The ...

    Product Security Engineer: Drive Secure by Design Wins

    Trainline is looking for a Product Security Engineer Analyst to embed security into the product development lifecycle and handle vulnerability management. The role involves supporting secure development practices, participating in threat modeling, and reviewing security issues. Candidates should have relevant ex ...

    Pre/Post Silicon Validation Engineer & Automation

    Qualcomm is looking for a Validation and Integration Engineer to ensure the functional correctness and robustness of Qualcomm IPs. This role involves pre-silicon and post-silicon validation, focusing on both hardware and software environments. The ideal candidate will develop test hardware and validati ...

    AI Quality Assurance Engineer — Automation & Reliability

    AI Chopping Block, Inc. is looking for a Software Quality Engineer to ensure the reliability and performance of their innovative AI applications. You’ll define and implement quality assurance strategies while working alongside engineering teams in a hybrid role based in London. The ideal candidate has ...

    Full Stack Integrations Engineer — Real Time .NET & PCI DSS

    A recruitment agency in Salford is seeking a Full-Stack Integrations Engineer to join a global hospitality software provider. In this role, you will leverage your strong experience with C#, .NET, and Visual Studio to develop integration solutions across various systems. You'll work on building secure, scalable a ...

    Senior Electronics Engineer – Oil & Gas Downhole Tools

    A global oil and gas client is seeking a Senior Electronics Engineer in Aberdeen to oversee product design and engineering support. Responsibilities include monitoring product ranges, designing new products, and sourcing materials. The ideal candidate holds an electrical/electronic engineering degree and has ext ...

    Senior Electrical Design Engineer – Lead LV to 33kV

    A leading engineering business in Greater Manchester is seeking a Senior Electrical Design Engineer to oversee electrical designs from concept to delivery. This role involves working closely with clients and internal teams, ensuring compliance with standards, and managing project budgets. Candidates should ideal ...

    Senior Mechanical Design Engineer Hydraulics & Systems

    Proactive Technical Limited is searching for a Senior Mechanical Design Engineer in Egham, Surrey. This role involves the design and delivery of complex mechanical systems, managing the full lifecycle from concept to manufacturing. The ideal candidate will have a strong background in hydraulic and pneu ...

    Cloud Backend Engineer AI Driven, Scalable Services

    Autodesk is seeking a Senior Software Engineer to join its team in Sheffield. You will work on scalable cloud-based services that support large-scale construction projects globally. Your role involves designing and maintaining cloud services, ensuring code quality, and collaborating across teams. Ideal candidate ...

    Senior Backend Engineer — Real Time Energy Platform

    A next-generation energy company in London is seeking a Software Engineer to develop backend infrastructure. This role involves building a real-time digital twin of renewable generation and customer demand, and creating high-volume data pipelines. Ideal candidates will have 2+ years of experience and a proven tr ...

    Senior AI Platform Engineer Biomedical Research

    OWKIN in the United Kingdom seeks a Software Engineer to develop AI products for biomedical researchers, integrating cutting-edge technology and engineering practices. You will collaborate with various experts to design scalable and reliable AI systems. Qualified candidates have strong collaborative sk ...

    Senior InfoSec Engineer — Hybrid London, 8% Bonus

    Spectrum IT Recruitment is seeking an Information Security Engineer to join a leading enterprise software organisation in London. This role offers hybrid working, with the opportunity to protect critical systems using modern technology. The ideal candidate will have experience in cyber security, a stro ...

    Remote Senior Full Stack Engineer Equity + AI Impact

    Cogna, an ambitious early-stage startup in Greater London, seeks a Full-Stack Software Engineer. You will define and maintain backend architecture and APIs while developing frontend interfaces. With at least 8 years of experience, you'll thrive in a fast-paced environment, building scalable microservices using m ...

    Ultra Low Latency C++ Engineer — HFT Systems

    A leading tech consultancy in London is seeking a C++ Software Engineer to work on latency-critical trading infrastructure. The role focuses on developing ultra-low latency trading systems in a high-performance trading environment. Candidates should have significant experience in C++ development and a strong und ...

    Automation Engineer Hybrid 6 Month Contract (C# API)

    People's Partnership is seeking an Automation Engineer for a 6-month contract in Crawley. The role involves building automated testing solutions and ensuring software quality. Responsibilities include developing automated tests and collaborating with other business areas across the organization. Ideal ...

    Senior Quality Engineer: Agile Testing Leader & Automation

    Brown & Brown UK is looking for a Quality Engineer to champion quality within cross-functional delivery squads. In this role, you'll take ownership of quality engineering, define and execute testing strategies, and promote a culture of innovation. The ideal candidate will have extensive experience in q ...

    AI Powered FinTech Full Stack Engineer

    Burns Sheehan is seeking a Full Stack Engineer to join a growing FinTech in Manchester. In this role, you will design, develop, test, and maintain full-stack applications while utilizing modern technologies and engineering best practices. As part of a collaborative team, you’ll work on a modernization ...

    Senior Infrastructure & Cloud Engineer (Linux & Networking)

    Enactor, a global leader in retail and omnichannel POS software, is hiring an Infrastructure & Network Engineer (Linux) to design and support core infrastructure and networks. This role focuses on optimizing cloud platforms and ensuring high availability and performance of systems. The ideal candidate ...

    Senior Safety Engineer, Hypersonics Lead Safety & Equity

    Hypersonica is searching for a Senior Safety Engineer to lead their System Safety Program across various projects. This role focuses on identifying hazards, conducting risk assessments, and ensuring safety standards are met in a fast-paced environment. You will collaborate with top experts in engineeri ...

    Embedded Systems Lead Flexible Hours Hardware Innovation

    Tracsis is seeking a Lead Embedded Systems Engineer in the East Midlands to lead a multidisciplinary team of hardware and software engineers. The role involves owning the technical direction of multiple hardware products, ensuring alignment with customer needs and the business strategy. Ideal candidate ...

    Senior Backend C# .NET Engineer | FinTech (Hybrid/Remote)

    Client Server is looking for a skilled Backend Software Engineer specializing in C# .Net to join their team in Reigate. This role involves architecting and developing new features while ensuring performance and security. With a salary of up to £90k plus bonus and benefits, the position offers a hybrid ...

    Senior Aero Mechanical Design Engineer F1 Wind Tunnel

    Cadillac Formula 1® Team in Silverstone is looking for a Senior Aero Mechanical Design Engineer. You will work with skilled design engineers on the team’s wind tunnel model and testing facility, focusing on mechanical and electromechanical systems design. The ideal candidate will possess a degree in a ...

    Senior Python/Django Engineer — End to End Platform Builder

    uMed in Greater London is seeking a Senior Software Engineer to enhance their platform using Python and Django. This role involves ownership of developments, collaborating closely with Data Engineering for smooth integration. The ideal candidate has strong Python and Django skills, a solid understandin ...

    PLC Controls Engineer — Industrial Automation Specialist

    A leading automation firm in the UK is seeking a Software Controls Engineer specializing in programming Schneider Electric PLCs and working with SCADA/HMI systems. The successful candidate will deliver impactful automation and digital transformation projects across vital sectors. The role offers a competitive sa ...

    Automation Test Engineer for Precision Photonics

    Novanta Inc. is seeking a Manufacturing Test Engineer in Stockport, UK. The role involves designing and building automated test systems to enhance product quality and manufacturing yield for precision photonics products. Your responsibilities include developing test software, analyzing data for improve ...

    Aviation eOps Engineer: Onboard Ground Systems Integrator

    British Airways PLC is hiring a Technical Engineer for eOps to improve the integration of aircraft systems with groundIT infrastructure. This role ensures efficient data flows and reliability in aircraft operations. You'll support various technical aspects including Field Loadable Software management and Airc ...

    Hybrid Electrical Design Engineer for MEP Projects

    Cibsejournal is seeking an experienced Electrical Design Engineer to join their Facilities Management team in Telford. This hybrid role offers a competitive salary of up to GBP50,000 per annum, reflecting experience and qualifications. The successful candidate will have a strong background in electrica ...

    Global PLC Controls Engineer: Commissioning & Validation

    Yolk Recruitment Ltd is seeking a Controls Engineer based in Telford to support Test & Validation activities. This role requires significant PLC programming experience and involves international travel to countries like Japan and Germany. The ideal candidate will excel in developing and modifying contr ...

    Chartered Structural Engineer Lead RC Structures (Hybrid)

    The Construction Index Ltd is seeking a Chartered Structural Engineer to design and supervise building structures, focusing on RC frame design. You will lead projects, manage client relationships, and mentor junior engineers across various sectors including residential and commercial. The ideal candida ...

    Full Stack Frontend Engineer (IC2) Search Experience

    On the Beach is seeking a Software Engineer IC2 (Mid Level) for their Search Experience Engineering team in Manchester. In this full stack role, you will build applications that enhance customer experiences when searching for holidays. Ideal candidates should have strong frontend skills and a passion f ...

    Backend Python Engineer for Data & ML R&D in Med Tech

    Client Server is looking for a Backend Software Engineer (Python Data R&D) based in Cambridge. You'll be tackling complex tasks related to image processing and machine learning in a collaborative start-up environment. The role involves using Python alongside technologies like PyTorch and NumPy, and you ...

    Azure DevOps Engineer Build scalable CI/CD & Cloud

    Solirius Consulting is seeking a DevOps Engineer to join their Software Engineering Practice. You will work closely with clients to implement and maintain scalable services and applications, leveraging Microsoft Azure and Infrastructure as Code practices. This position offers opportunities for developm ...

    Senior TypeScript/Next.js Engineer—Core Ops & Finance

    Adria Solutions Ltd. is looking for a Senior Software Engineer to rebuild and modernize core systems including billing and operational workflows. The ideal candidate should have strong TypeScript experience and be comfortable in both frontend and backend environments. Responsibilities include designing ...

    Senior Go/PHP Engineer — AI First, Scale‑Driven Platform

    Gelato, located in Greater London, is seeking an experienced software engineer to join our team. You will design, develop, and deploy backend services, ensuring high availability and low latency while working with the latest technologies. Ideal candidates will have over 5 years of experience, a strong ...

    Back End Engineer (Generative AI) in London Neo4j

    Staff-Level Full-Stack Software Engineer 108 E 16th Street, New York, NY 10003 Job Description Expand our suite of GenAI offerings. Key Responsibilities Design, develop, and maintain high-performance back-end systems using Python to support GenAI ...

    VP, AI Powered Developer Tools & Platform

    A leading financial services firm in London is seeking an Engineering AI Software Engineer at the Vice President level. The role involves designing tools that improve developer experience, implementing AI-driven solutions to enhance productivity, and collaborating with teams to integrate knowledge into developme ...

    Lead Structural Analyst – Helicopter Structures (Hybrid)

    Leonardo UK Ltd in Yeovil is seeking a Lead Structural Analysis Engineer to coordinate and deliver static and dynamic analysis for aircraft structures. This role involves mentoring engineering teams and working collaboratively across various engineering departments. Candidates should have an engineering degree a ...

    Senior Ruby Backend Engineer Real Time Gaming Platform

    A leading sports marketing company in Greater London is seeking a Senior Software Engineer to shape the technical foundation of high-growth products. In this role, you will design and implement scalable, secure backend systems for real-time gaming tournaments. Ideal candidates should have strong experience with ...

    Senior Planning Engineer, Water Delivery

    Arcadis is seeking a Senior Planning Engineer to lead planning capabilities for major AMP8 water programmes in Greater London. This role requires a strong background in project planning, scheduling, and the ability to manage resources effectively. The ideal candidate will have experience in the water s ...

    Senior Embedded Engineer — Motion & Robotics Systems

    An international engineering business in Gloucester is seeking a Senior Embedded Software Engineer to develop next-generation motion control systems. Candidates should have expertise in embedded C/C++, ARM architectures, and experience with RTOS or bare metal development. You will be responsible for designing al ...

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