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

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Applied AI Engineer Consultant: LLM/RAG in Practice

EY in the United Kingdom is seeking a Consultant - Applied AI Engineer who will work with diverse clients across various sectors. The role involves building AI-powered solutions, translating business challenges into technical user stories, and implementing secure tools in an enterprise context. Candida ...

Senior AI/ML Engineer Data Optimization & Platform

Google Inc. is looking for an AI/ML Senior Software Engineer to enhance data optimization techniques, boost ML models' performance, and collaborate with various teams to drive data platform strategies. The ideal candidate will have a Bachelor's degree in a relevant field, strong Python skills, and several yea ...

Senior GenAI Engineer – Hybrid Data & AI Products

Tesco - Corporate is looking for a Software Development Engineer III in Welwyn Garden City to lead the development of Data & AI products. The role requires strong backend engineering skills, especially in Python and LLM-powered applications. You will engage in the full product lifecycle, create production-grade ...

Senior Full Stack .NET Engineer AI Driven Cloud Security

Eligo Recruitment Ltd is seeking an experienced Senior Full Stack software engineer to work on a cloud-based security application. The successful candidate will utilize .Net C# and Node JS, while integrating AI functionalities. This position is based in Crawley, requiring a willingness to engage in MOD projec ...

Traffic Engineer TROs & Moving Traffic (AutoCAD)

A leading engineering consultancy in the Greater Manchester area is looking for a skilled Traffic Engineer to support their busy Traffic and transportation team. The ideal candidate will have experience developing new and amending existing Traffic Regulation Orders and can proficiently use AutoCAD and other rele ...

Senior Go & Python Engineer Secure, Multi Tenant Platform

PhysicsX, based in Greater London, is seeking a Senior Software Engineer to join our Core Services team. The successful candidate will design and implement robust authentication and authorization systems that enhance our AI-driven simulation platform. This role involves architecting scalable security m ...

Controls Systems Integration Engineer Lead PLC/SCADA

Adsyst (Automation) Limited is looking for a Controls Systems Integration Engineer in Yateley, UK. The role entails full life-cycle project delivery, ensuring technical compliance and quality. Candidates should have 2+ years of control system experience, a relevant software engineering degree, and familiarity wi ...

Senior Support Engineer — Critical Systems & DevOps

Northrop Grumman UK is seeking a Senior Support Engineer located in Cheltenham, England. The role involves maintaining critical infrastructure and software to ensure system operationality, managing complex technical tasks, and implementing best practices in DevOps and SRE. Candidates must have hands-on ...

AI Cloud Platform Engineer — Flexible & Impactful

Morgan Stanley is seeking an AI Cloud Solution Engineer in Glasgow to join their Technology Architecture & Modernization team. The role focuses on building an AI Development Platform and requires expertise in cloud architecture and software development, particularly in Python. The ideal candidate will ...

Staff SecOps Engineer — Cloud Security Lead (Remote UK)

Lunar Energy is looking for a Staff SecOps Engineer to enhance platform security within a forward-thinking team. You will be pivotal in incident response, platform architecture, and integrating security best practices across software development. This full-time role allows you to work flexibly, either ...

Hybrid Full Stack Engineer | Build Scalable Web Apps

Brilliantbrandings is seeking a Full-Stack Engineer to develop high-quality web applications, ensuring UI consistency and quality throughout. The role involves creating software building blocks for both client and internal products, exercising standardization in development processes. The ideal candida ...

Free 16 Week Python Engineer Accelerator

CodeFirstGirls is offering a Mid-Level Python Engineer position in London through the Mid-Level Accelerator programme. This program is ideal for candidates with 1.5+ years of experience in Software or Data Engineering. Participants will benefit from a 16-week free training course that prepares them for ...

Principal Mechanical Engineer, Hydropower & Dams

Stantec Consulting International Ltd. is seeking a Principal Mechanical Engineer to support the design and development of hydropower systems in Edinburgh. In this role, you will work within a dynamic team to produce mechanical designs and collaborate on various projects across the energy sector. Ideal candidates ...

Backend Engineer Python/Flask, Hybrid London

Skinandme is seeking a Backend Engineer in London to work on our core commerce and clinical systems. You will be responsible for building APIs, data models, and services that power consultations and prescriptions. The role requires solid experience in Python and Flask, ensuring correctness due to the clinical ...

Lead Distributed Systems Engineer .NET / C#

Platform Recruitment is seeking a Principal Software Engineer for a leading technology company in Cambridgeshire. You will be responsible for shaping the technical direction, leading the architecture of distributed systems, and mentoring other engineers. The ideal candidate will have over 10 years of e ...

Senior Systems Engineer, Secure Product Development

Holt Engineering Ltd is seeking a Systems Engineer in Farnborough to lead multidisciplinary product development projects. The ideal candidate will have at least 5 years of relevant experience and a degree in Engineering or related fields. You will be responsible for defining system architectures, manag ...

Staff Automation Engineer: Secure CI/CD & DevOps

Palo Alto Networks in Greater London is seeking a Staff Automation Engineer to enhance our software release lifecycle. You will design and maintain CI/CD pipelines, ensuring high security and reliability while optimizing for speed. This role requires extensive experience with DevOps tools like Terrafor ...

Subsea Route Engineer – 12 Month Contract

OceanIQ in Chelmsford is seeking a Route Engineer for a 12-month fixed term contract, with a start date ideally on 1st July 2026. This role involves working with marine survey data and GIS tools to design submarine cable routes, considering technical and environmental risks. The successful candidate wi ...

Senior Network Security Architect: Cloud & Zero Trust

Prism Digital is seeking a Senior Network Security Engineer in Windsor, England. You will secure large-scale software platforms used across healthcare, financial services, and government environments. The role requires experience in designing network security for hybrid and multi-cloud environments, fo ...

Senior Automation QA Engineer Remote & Flexible

A leading technology solutions provider in Northern Ireland is seeking a Software Engineer in Test to join their agile team. The ideal candidate will have experience in both manual and automated testing across various frameworks. This role offers a comprehensive benefits package focused on employee wellbeing, ca ...

Backend Engineer Pathogen Platform (Bioinformatics)

A leading technology institute in Oxford is seeking a Backend Software Engineer to develop and maintain secure, scalable backend services and APIs. In this role, you will work within a cross-functional team to support cutting-edge bioinformatics solutions. Ideal candidates will have strong knowledge of backend p ...

Embedded Health Data Engineer for Strategic Integrations

A leading health data tech firm is seeking a skilled engineer to act as a technical bridge between their platform and top clients. You will design and implement integration architectures for complex health data use cases, serve as a dedicated expert for multiple strategic accounts, and contribute to product impr ...

Senior Enterprise AI Solutions Engineer

Tomoro is seeking a Senior AI Solution Engineer to lead the development and deployment of innovative AI applications. You will work closely with clients and teams to deliver cutting-edge solutions aligned with business goals. The role requires at least 5 years of software development experience, partic ...

Staff Backend Engineer | Go Microservices & Scale

A tech-focused company in Greater London is hiring a Staff Backend Engineer to take a leadership role in their engineering team. In this position, you'll tackle complex technical problems, influence the architecture of their backend stack, and guide engineering decisions. Ideal candidates have over 10 years of e ...

Lead C++ Engineer Low Latency Trading Systems

TwinThread, based in London, is seeking a Lead eSoftware Engineer specializing in C++. This role involves developing innovative software solutions in a dynamic electronic trading technology environment. The successful candidate will work collaboratively across teams, ensuring high-quality production co ...

Civil Engineer — Housing Development Specialist

A well-known housing developer in Reading is seeking a skilled Civil Engineer to join their team on a full-time basis. This role involves contributing to the design and delivery of various housing developments, with opportunities for internal and external training. Candidates should possess a Civil Engineering d ...

Senior Cloud Platform Engineer for Global Scale

A technology company specializing in e-commerce solutions is looking for a Senior Software Engineer for its Cloud Platform Engineering group in Belfast. This pivotal role involves designing, implementing, and managing enterprise cloud infrastructure while providing technical leadership to a skilled team. Ideal c ...

Senior AI Engineer: Autonomous Security Platform

A cutting-edge cloud security company in Belfast is seeking a visionary AI Engineer to help build their internal AI platform and architect intelligent systems. This role involves developing autonomous workflows and collaborating with teams to enhance security posture through machine learning. The ideal candidate ...

AI First .NET Architect for Scalable Systems C#/PostgreSQL

A leading tech company in the United Kingdom seeks a Senior Software Engineer to architect and build a production-grade, AI-first .NET platform. This role involves transforming AI workflows into resilient production code, designing the infrastructure for high-concurrency workloads, and adopting AI-assisted tools ...

Production Linux & Datacenter Engineer Slough

A financial software firm is seeking an Infrastructure Engineer to manage and improve their Linux systems in production. The role involves hands-on datacenter operations, including managing LXD/LXC container platforms and troubleshooting infrastructure issues. Candidates should have 2-3 years of experience with ...

Enterprise AI Engineer Deploy Production AI for Clients

IFS is seeking a Forward Deployed AI Engineer in Greater London to work directly with enterprise customers. You will design and deploy AI solutions, leading the implementation of intelligent agents across complex workflows. The ideal candidate has 2-5 years of experience in software or solutions engineering, pro ...

Cloud Security Engineer for Scalable Embedded Platform

A leading technology startup in Greater London is seeking a Software Engineer to develop security-focused cloud services and infrastructure. The ideal candidate will have 3+ years of specific industry experience and a strong grasp of distributed systems and cloud computing. Together with an innovative team, you ...

DSP Audio R&D Engineer for On Demand Vinyl Tech

A cutting-edge music technology company in Elstree is seeking a DSP-focused Audio R&D Engineer to develop and optimize internal audio tools, enhance system efficiency, and drive audio technology innovations. The role requires a Master's degree focused on audio or signal processing and proven experience in develo ...

System Engineer – Unreal Engine 5, Core Tech (Multiplatform)

Rocket-Science-Group is looking for a System Engineer to join Splash Damage at their Bromley studio. You will be part of the Core Tech team, focusing on designing and implementing systems that support their titles. The role emphasizes collaboration, technical design, and software development expertise. <p ...

AI First Product Engineer: Shape Trusted Commerce Data

Provenance is seeking a Product Engineer in London who is passionate about building a trusted product data layer. You will work in a small team focused on designing, building, and maintaining core web applications and APIs. Ideal candidates should have 3-5 years of experience in software development, proficient ...

Platform Engineering Manager – Cloud & Data Solutions

Nigel Frank is seeking a Manager - Platform Engineer in Greater Manchester. This role involves leading the design and delivery of cloud-native platforms and data pipelines within the AI & Data Solutions team. Key responsibilities include overseeing end-to-end software delivery, providing technical leadership, an ...

Senior Electrical Engineer: Building & Sustainability Lead

Wearemapp is seeking a Senior/Principal Electrical Engineer to join their Building Consultancy team in Westminster, London. The position requires at least 5-7 years of experience in electrical services, along with strong project management and communication skills. Salary ranges from £55,000 to £65,000 per annum ...

Electrical Machines Design Engineer — High Performance Motors

Turntide Technologies in Gateshead is seeking an Electrical Machines Design Engineer to lead the design and development of electric motors and related systems. You will work from concept to production, utilizing advanced engineering tools to ensure performance and reliability. The ideal candidate will ...

Motorsport AI Research Engineer — ML & Deployment

Alpine is looking for an AI Research Engineer to join the F1 Team’s Software and Data group. The role focuses on developing AI/ML solutions to enhance performance in Formula 1. Ideal candidates will have a background in AI/ML, strong Python skills, and a passion for data. As part of a collaborative tea ...

Senior Airfield Civil Engineer: Global Travel & Impact

WSP in the UK & Ireland is seeking a Senior Airfield Civil Engineer to join their team in Greater London. The role involves delivering complex airfield engineering projects with a focus on sustainability and smart technologies. Candidates should have a relevant university degree and experience in multidiscipl ...

Senior C# Developer—Lead Path in Microservices

Radius Limited in Crewe is seeking a Senior C# Developer to join a collaborative team. The ideal candidate will be a technically strong engineer looking to progress into a Team Lead position while contributing to modern software platforms within a microservices architecture. The role involves designing ...

Innovative Mechanical Design Engineer — Glasgow

Cibsejournal is seeking a skilled Mechanical Design Engineer to join their team in Glasgow. This exciting role involves developing and designing mechanical components, collaborating with cross-functional teams, and conducting engineering analyses to ensure effective project outcomes. The ideal candidat ...

Senior Electrical Design Engineer – BIM & Energy

Ridge and Partners LLP in Greater London is seeking an Electrical Engineer to enhance their Engineering Team. The role involves working across various stages of project design and development, ensuring quality through mentoring and collaboration. As part of a dynamic team, you will contribute to design ...

Senior AI & Full Stack Engineer (GenAI)

83zero Limited is seeking a Senior Software Engineer (AI & Full Stack) for a permanent role with hybrid work options available across London, Manchester, Newcastle, or Glasgow. The candidate will work in a dynamic environment focused on delivering AI-powered solutions, collaborating with teams to design advan ...

Senior Manufacturing Engineer NPI, Lean & MRP in Defence

Energy Jobline ZR is seeking a Senior Manufacturing Engineer in Ampthill, offering a permanent role with a salary of up to £55,000. In this position, you will be involved in developing manufacturing processes and defining operational sequences for complex assemblies. The ideal candidate will possess a ...

Senior Electrical Building Services Engineer, Nuclear

MOTT MACDONALD is looking to hire a Senior Electrical Building Services Engineer in Norwich. In this role, you will manage electrical building services design solutions for diverse projects in a highly regulated sector. The ideal candidate should have a degree in Electrical Engineering or Building Services, expe ...

Hybrid Mechanical Design Engineer Production Ready

ASSA ABLOY Global Solutions in Olney is searching for a Mechanical Design Engineer to drive the design and development of innovative products. This role offers a combination of on-site and remote work, allowing for flexibility while fulfilling hands-on design requirements. The ideal candidate will have ...

UK‑Based Client‑Facing AI Deployment Engineer (Cloud)

Oliver Bernard is seeking a Forward Deployed Engineer in Greater London to collaborate closely with client engineering teams. This role involves leveraging tools for AI-native development and shipping impactful changes. With a salary of up to £145k plus a potential bonus, the role requires 5+ years of ...

Senior Quality Engineer Hybrid (London) with Katalon

CPS Group (UK) Limited is seeking an experienced Quality Engineer to join their Agile product team in London. This role requires hands-on experience with Katalon and is pivotal in delivering high-quality software solutions. Key responsibilities include driving testing strategies, collaborating with tea ...

Senior iOS Mobile Engineer — Fintech Growth, Hybrid

Lloyds Bank plc in London is seeking a Senior Software Engineer specialized in Mobile (iOS). The role includes designing and developing high-quality features, collaborating in a cross-functional team, and ensuring app performance. Ideal candidates will have over 5 years of experience with Swift, SwiftUI, and ...

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