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

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Real Time Motorsport Simulator Controls Engineer

Haas F1 Team in Banbury is seeking an experienced engineer specializing in electronics and control systems to support simulator development. The ideal candidate has a degree in a STEM field and at least 3 years of experience in a similar role or motorsport environment. Key responsibilities include developing con ...

Lead iOS Engineer Fintech with Stock Options

Arqfinance is seeking a Lead iOS Software Engineer to join their Core Product Team in Greater London. In this hybrid role, you will drive engineering excellence, write high-quality code, and work closely with cross-functional teams to deliver innovative financial products. Ideal candidates will have ov ...

Senior IT Field Engineer & Team Lead Onsite & 2nd Line

A leading IT solutions organisation based in Watford is seeking an experienced Field Engineer to manage a team and support client sites across London and the Home Counties. Your responsibilities will include the installation, configuration, and maintenance of workstation hardware and software, along with providi ...

SVP, Trading Tech & AI Platform Architect

Citi is seeking a Senior Software Engineer (SVP) for the FX Client & Sales Technology team in London. This role involves hands-on design, architecture, and technology platform implementation, driving strategic evolution while managing a global team. The ideal candidate will have extensive capital marke ...

Senior Node.js Backend Engineer — Scale Core Services

Omaze is seeking a Senior Software Engineer to focus on foundational engineering within the Sportsbook Core Apps team. This role involves enhancing the Node.js services layer, ensuring faster content delivery and a reliable experience for users. As a growth company, we offer numerous opportunities for ...

Senior UX Design Leader & Product Strategy

Citigroup Inc. is looking for a Digital Design Engineer Group Manager based in Belfast City, UK. The role involves managing complex digital design projects and leading a team of professionals to drive product vision from concept to production. The ideal candidate will have over 10 years of experience i ...

Senior Design Engineer: Building Envelope & BIM Lead

SISK Group is seeking a Senior Design Engineer to join their Engineering Services team in St Albans, UK. The role demands strong technical expertise and leadership in multi-disciplinary construction projects, ensuring high-quality design solutions. The successful candidate will oversee the development ...

Senior Mechanical Design Engineer – HVAC & Building Services

Cibsejournal is seeking a talented Mechanical Design Engineer in Cambridge. This role involves managing the design of mechanical building services systems and collaborating closely with multidisciplinary teams to ensure compliance with UK Building Regulations. The successful candidate should have a Bac ...

Senior Lead Data Engineer — AI Driven Real Time Trading

J.P. MORGAN is seeking a Lead Software Engineer to join its dynamic global analytics team. This role involves designing high-performance solutions for real-time trading in a fast-paced financial environment. Candidates should have a strong background in Python, KDB, or C++, with a focus on leveraging AI for d ...

Senior Video Encoding Engineer for Live & VOD Streaming

Roku, Inc. is seeking a Senior Software Engineer in Cambridge, England to design and build large-scale video infrastructure for Live and VOD streaming workflows. The role involves collaborating with video engineers and developing resilient, cloud-native services. The ideal candidate will have strong pr ...

Senior Research Web Engineer for Epidemiology Apps

A leading research institution in the UK is seeking a Senior Research Software Engineer to lead web projects that advance research within the Department of Infectious Disease Epidemiology. You will collaborate with researchers to develop innovative web applications for visualizing data on disease dynamics. The i ...

Senior SAP Project Engineer, HV/LV Power Installations

Sinewave Energy Solutions Ltd. is hiring a Project Engineer – Senior Authorised Person (SAP) in Swindon, UK. This role involves the operational delivery of high voltage (HV) and low voltage (LV) installations for major Electric Vehicle and renewable projects. You will supervise site personnel, test distributi ...

Staff Engineer Real Time Trading Systems (Remote)

Fanatics in Greater London is looking for a Staff Engineer to join their Trading Engineering team. The role involves designing high-performance systems for risk and trading, utilizing C# and cloud platform expertise. Candidates should have at least 8 years of relevant experience and a passion for software develo ...

Senior Compute Platform Engineer HPC & Cloud

GlaxoSmithKline is seeking a Senior Compute Platform Engineer to lead the development of a hybrid on-prem/cloud compute platform, enhancing data analysis capabilities for scientists and engineers. Ideal candidates will utilize their expertise in Python, cloud services, and high-performance computing (H ...

Senior DevOps Engineer: Cloud Platform & CI/CD Architect

UK Intelligence Services is looking for a Senior DevOps Engineer to design, build, and run a bespoke internal Cloud platform. Your role will focus on enabling teams to deliver software reliably and securely. You'll work in a full office-based environment, supporting a strong DevOps culture and bridging develo ...

Lead Embedded HMI Engineer (Qt)

A leading manufacturer of heavy machinery in Rocester is looking for a highly skilled Principal Embedded Displays Software Engineer (Qt) to lead the development of innovative Human–Machine Interface (HMI) applications. The ideal candidate will have strong leadership capabilities along with a minimum of 5 years o ...

Senior ML Inference & Compiler Engineer

NVIDIA is seeking a software engineer with a focus on compiler development to join their team in Cambridge, UK. You will be responsible for building and optimizing high-performance runtime and compiler components while collaborating closely with hardware and design teams. The ideal candidate should hol ...

Senior HV Cable Design Engineer Renewable & Grid Projects

A leading engineering firm in the UK is seeking an experienced HV Cable Design Engineer to join their growing team. In this role, you will engage in diverse projects related to electrical substation design and major renewable energies, working closely with various clients to deliver innovative solutions. The ide ...

Production ML Engineer for Scalable GenAI & Churn Systems

Utility Warehouse in Greater London is seeking a production-focused Machine Learning Engineer to bridge data science and scalable software solutions. The ideal candidate will lead the deployment of ML models and enhance customer analytics. With a commitment to continuous improvement, the position offer ...

Senior QA Automation Engineer Scale & CI/CD

A digital business in the tech sector is seeking a Senior Test Engineer to join their Software Engineering Team in London. This role involves leading the design and development of automated testing solutions, mentoring junior engineers, and ensuring high-quality releases across applications. The ideal candidate ...

Senior Planning Engineer Water Infrastructure Lead

Poutrix, based in Greater London, is seeking an experienced Senior Planning Engineer to lead planning capabilities for major water AMP8 programmes. This role will involve designing and implementing new planning processes and presenting performance reports to senior leadership. Ideal candidates will have a str ...

Senior C++ Engineer Low Latency Trading & FIX (Hybrid)

Client Server Ltd. is seeking a C++ Software Engineer to join their prestigious Central London team, offering a salary up to £200k. This role involves developing high-performance trading systems using multithreaded C++ and integrating trading venues through FIX protocols. The ideal candidate will have ...

Senior AI Engineer — GenAI Apps & Client Impact (Remote)

Futurice GmbH is seeking a Senior AI Engineer in the United Kingdom to join their AI & Data team. In this role, you will be designing and building intelligent applications while mentoring junior engineers. You'll engage with clients to help shape AI strategies across diverse industries. The role requir ...

EMEA Forward Deployed Engineer: Production AI Workflows

Cursor is on a mission to automate coding, seeking a Forward Deployed Engineer to join their team. In this role, you will embed with customer engineering teams to identify bottlenecks and develop production-grade workflows. Your responsibility is to deliver systems that operate effectively in the real world. ...

Cloud AI Engineer — Production Grade Agentic Solutions

GOOGLE is seeking a Forward Deployed Engineer to bridge frontier AI products with customer environments. This role emphasizes hands-on development in complex AI applications, ensuring seamless transitions from prototypes to production. A background in software development, especially with Python, and AI syste ...

Lead Electrical Engineer for Complex Building Services

Hoare Lea is looking for a Principal Electrical Engineer in the UK. This role involves leading sustainable electrical engineering solutions across various projects. You will join the Electrical team and manage the design delivery while collaborating with a diverse team of specialists. A focus on client relati ...

Senior Trading Tech Lead: Low Latency FX & Rates

Citigroup Inc. is seeking a Senior Software Engineer (SVP) in London to lead the design and implementation of a robust technology platform for the STIRT business. This role demands expertise in capital markets, focusing on modernizing trading systems and enhancing AI integration within engineering work ...

Automation Driven Quality Engineer (Shift Left)

Gear4music Ltd is searching for a motivated Quality Engineer to enhance their software development processes in Bedford, England. This role involves ensuring that scalable and resilient applications are effectively developed, with a focus on automation and CI/CD practices. The ideal candidate will be h ...

Senior AI Accelerator Simulation Engineer

A cutting-edge AI company based in Greater London is seeking a Senior Simulation Engineer to develop innovative hardware simulations for AI accelerators. The ideal candidate will possess excellent C/C++ skills, have experience with hardware simulators like QEMU, and understand low-level hardware. This role offer ...

Senior Civil Engineer BIM Design & Chartership Track

VERELOGIC LIMITED is seeking a Senior Civil Engineer to join its civil engineering design team in Derby, United Kingdom. This exciting role offers involvement in a variety of projects, underpinned by mentoring towards chartership and the chance to work on substantial construction projects. The ideal ca ...

Graduate Firmware Engineer: Embedded AI Hardware

A leading AI technology company in Bristol is seeking a Graduate Firmware Engineer to design and develop firmware for next-generation products. The role involves working collaboratively across teams and participating in Agile practices. The ideal candidate will have a degree in Computer Science or related fields ...

Founding Full Stack Engineer — Build a Trust‑Driven Marketplace

black.ai is looking for a founding full-stack engineer in Shoreditch, London. You will own the entire tech stack and collaborate directly with the CEO and other team members. A competitive compensation package of £160-170k includes both salary and shares, designed for those willing to invest fully in a mission-d ...

On‑Site Field Engineer – Project Quality & Surveillance

EDF Energy is seeking a Field Engineer to support large-scale industrial projects in Stogursey, UK. In this role, you will ensure adherence to project specifications and quality standards through detailed surveillance and reporting, working with a dynamic team on critical activities including installation of ...

Controls Engineer – PLC Design & Commissioning (Bristol)

Energy Jobline ZR in Bristol is seeking a Controls Engineer to join their team at a state-of-the-art facility. The role involves designing and testing electrical control systems and software, ensuring compliance with industry standards. The successful candidate will benefit from first-class training and devel ...

Senior Platform Engineer (GCP) – Build, Scale & Lead

Kainos is seeking a Senior Platform Engineer - GCP (Senior Associate) in Birmingham. In this role, you will lead the design of the digital service platform, focusing on automation, deployment, and support. Collaborating with cross-functional teams, you'll employ best practices to ensure high-quality software ...

Senior Drainage Engineer – Roads & Flood Risk (Hybrid)

WSP in the UK & Ireland is seeking a Senior Engineer with extensive postgraduate experience in drainage design, specifically for major civil engineering schemes. This role involves delivering high-quality engineering services, preparing technical reports, and developing design solutions for transportation and ...

Senior Backend Engineer, Dashboard Platform & Infra

Algolia is looking for a Senior Software Engineer for their Dashboard Platform team, focusing on infrastructure automation. You will work on core dashboard features and collaborate closely with teams to enhance developer experience. The role requires expertise in modern infrastructure management, speci ...

AI Enablement Engineer — Drive AI Pipelines (Hybrid London)

Rightmove is seeking a Software Engineer (AI Enablement) to build and operate production-grade AI tools in a hybrid work environment. You will collaborate with teams to integrate AI solutions effectively and define standards for AI usage. The ideal candidate has strong engineering fundamentals, experie ...

Electrical Design Engineer: From Concept to Commissioning

DK Recruitment is looking for an experienced Electrical Design Engineer to join a growing engineering team in Plymouth. This hands-on role covers the full lifecycle of product development, from concept to client support, focusing on solving complex technical issues and collaborating with multidisciplinary tea ...

Senior Kotlin Backend Engineer — Cloud Native Platform

1st Executive Ltd is seeking an Interim Software Engineer to join a high-performing team in London. This role focuses on designing and evolving backend services in Kotlin within a cloud-native architecture, emphasizing collaboration through mob programming. Key responsibilities include developing resil ...

Senior Highways Design Engineer — Lead & Innovate

KIER GROUP is looking for a Senior Highways Design Engineer to join our design team in Salford. This role involves preparing detailed designs, conducting feasibility studies, and ensuring compliance with relevant regulations. Candidates must have a membership with a professional body or be working towards IEn ...

Hybrid IT Engineer: Systems & Support Specialist

Elliott Company is seeking an experienced IT Engineer for a full-time permanent position based in Basingstoke, UK. You will manage the planning, execution, and integration of new applications within existing systems. Your role includes providing IT infrastructure and support, troubleshooting issues, and ensur ...

Senior ML Engineer: Real World Impact in Regulated Systems

Energy Jobline ZR is seeking a Senior Machine Learning Engineer to tackle complex machine learning problems and lead end-to-end delivery in a secure environment. Candidates should have a strong background in applied mathematics and software engineering, along with exceptional Python skills and experience with ...

Lead DevOps Engineer: Secure, Scalable Platform Architect

Elliptic Enterprises Ltd. in Greater London is seeking a Lead DevOps Engineer to elevate their DevOps practices. This role combines technical expertise with team leadership, requiring a strong background in Kubernetes and cloud infrastructure. The successful candidate will define the automation roadmap ...

Senior Embedded C++ Engineer – Defence Systems (On‑Site)

ALTEN is seeking a Senior Embedded C++ Engineer in Crawley, UK to develop advanced software for communication systems used in defence. This role involves working on high-reliability technologies that require strong knowledge of secure coding practices and performance optimisation. The ideal candidate h ...

North London Field Appliance Engineer – Up to £50k OTE

Occupop is seeking a Field-Based White Goods Engineer for North London to perform fault diagnosis and repair on domestic appliances directly in customers' homes. The role offers a competitive salary between £34,000 and £43,000, uncapped bonuses, and up to 33 days holiday. Responsibilities include diagn ...

AI Driven Growth Engineer — Experimentation & Monetisation

Autodesk is seeking a Growth-focused Software Engineer to join our Product Growth team, driving user adoption and engagement for our innovative AI-powered architecture design product, Forma. The ideal candidate will leverage data-driven methodologies, collaborate with diverse teams, and embrace a growt ...

Trading Data Platform Engineer Real Time Greenfield

XTX Markets is looking for a Software Engineer to join their new Trading Data Technology team in London. This role involves the design and implementation of the Trading Data platform, which is in the initial stages of development. Candidates should have 3 to 5 years of experience, a solid grounding in computer s ...

Senior MEP Design Engineer – HVAC & AutoCAD MEP (UK)

A leading building services consultancy in the UK is seeking an Intermediate/Senior Building Services Engineer to join their London team. The successful candidate will be involved in the design and implementation of mechanical and electrical systems, contributing to various projects. Ideal applicants will have a ...

Senior Infrastructure Engineer End User Tech

A prominent technology firm in Warwick is seeking a Senior Engineer to drive strategic and engineering solutions within the Digital Workplace team. This role involves working closely with stakeholders and vendors to implement improvements in user experience and manage complex software and hardware issues. The id ...

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