330,085+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Senior Compute Platform Engineer

At GSK, we want to supercharge our data capability to better understand our patients and accelerate our ability to discover vaccines and medicines. The Onyx Research Data Platform organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leve ...

Compute Platform Engineer II

At GSK, we want to supercharge our data capability to better understand our patients and accelerate our ability to discover vaccines and medicines. The Onyx Research Data Platform organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leve ...

Modernization Engineer Lead

We’re searching for a Modernization Engineer Lead to lead the re‑design of our in‑house applications. Working closely with the Principal Architect and providing mentorship to our developers, this role will be the main driver of continuous improvements to define and enforce standards across the team. < ...

Solutions Architect, Financial Services, Insurance

DescriptionThis role is within the UK organization and you would be working primarily with Financial Services customers across the UK, with a focus on Insurance. Solutions Architects work hand in hand with AWS customers to help them make the most of the Cloud. They are at the crossroads of business ...

Software Developer (PHP / MySQL / Python)

If you enjoy taking ownership of business-critical systems and seeing the direct impact of your work, this Software Developer opportunity offers the chance to make a genuine difference within a fast-moving operational environment. You'll work across a diverse technology estate, helping to enhance, integ ...

Frontend Engineer – Build Fast, Accessible UIs in London

A leading employee app provider in London is seeking a Front End Engineer to enhance their platform's user interface. You will work collaboratively within a cross-functional team to create fast and accessible web applications using TypeScript, HTML, and React. Ideal candidates will have a strong grasp of fronten ...

Senior Full Stack Engineer — FinTech, Mentoring & Scale

Creative Artists Agency is seeking an experienced Senior Full Stack Engineer to join their FinTech team in Greater London, United Kingdom. The role requires mastery in JavaScript, HTML, CSS, and Node.js, as well as strong experience with frameworks such as React. The right candidate will work with an a ...

Cloud DevOps Engineer CI/CD & Automation Leader

A leading technology firm in Greater London is looking for a DevOps Engineer responsible for integrating project functions across the product life cycle. The ideal candidate should have strong skills in Linux-based infrastructure, Ruby, Python, Perl, and Java. Knowledge of database management, automation tools, ...

AI First Full Stack Engineer Path to CTO Equity

A financial technology company is seeking an experienced Senior Full Stack Engineer to lead the transition to an AI-native platform. You will build a full-stack TypeScript application, develop AI document ingestion layers, and manage the cloud infrastructure. Candidates should have over 5 years of full-stack exp ...

Remote Azure Data Engineer Build scalable data pipelines

ESP Engineered is seeking an experienced Data Engineer to architect and implement scalable data solutions. The role involves building robust data pipelines, collaborating with teams for data requirements, and optimizing existing data systems. Candidates should have 7+ years of relevant experience, a Bachelor's i ...

Lead Full Stack Engineer: TypeScript + Go – Fintech SaaS

Montash is looking for a Lead Full Stack Engineer to serve as the technical authority on a next-generation SaaS payment assessment platform. In this role, you'll influence architecture decisions and mentor a team of engineers, focusing on TypeScript, React, and Golang. The successful candidate will wor ...

Founding Full Stack Product Engineer – AI Cybersecurity

Cross Border Talents is seeking a Full-Stack Engineer to develop cutting-edge AI-native cybersecurity products in London. You'll own the product end-to-end, designing scalable systems and ensuring security across the platform. Ideal candidates will have strong skills in TypeScript, React, and Node.js, ...

Staff Data Quality & Governance Engineer

A leading online marketplace in Greater London is seeking a Staff Data Engineer to enhance the reliability, trust, and compliance of its data ecosystem. You will design frameworks and processes that strengthen data foundations and ensure accuracy and observability. The ideal candidate has substantial experience ...

Hybrid Middleware Engineer | ITIL, APIs & Cloud

Queen Square Recruitment is seeking a Middleware Engineer for a hybrid role primarily in London, Reading or Leeds. You will support and maintain middleware platforms, ensuring system stability and performance in a fast-paced environment. The ideal candidate will have expertise in Java-based systems, AP ...

Product Engineer (Equity) for AI Driven Web Experiences

Jack & Jill in London is offering an exciting opportunity for a Product Engineer. Join a founding-level team to build intelligent, real-time experiences on the web. You will ship features across a modern stack including React, TypeScript, and Node.js, while also designing AI integrations. Ideal candidates will h ...

Senior Ads Auction Engineer — Real Time CTV Platform

Roku is seeking an engineer to contribute to the Ads Auction systems optimizing yield in Sheffield. You will work closely with various teams to design and implement auction capabilities, focusing on low-latency services and scalable integrations. The ideal candidate should have experience with distribu ...

Founding Product Engineer — High Impact Healthcare Tech

Healthtech 1 is seeking a Founding Product Engineer based in Greater London to help rebuild the NHS with technology that truly works. This role involves ownership and shaping experiences directly impacting patients and clinicians. The ideal candidate will have over 5 years of full stack engineering exp ...

Senior AI Solutions Engineer – LLMs & CRM Platform

428 Salesforce UK Limited is seeking a Forward Deployed Engineer to deliver cutting-edge AI solutions. This role requires expertise in transforming client needs into scalable production systems on the Salesforce platform. The ideal candidate will have at least 5 years of experience in AI solutions deli ...

Mobile Engineer (iOS/Flutter/RN) — FinTech, Newcastle

SR2 | Socially Responsible Recruitment is seeking a Mobile Engineer to work on a high-performance FinTech product in Newcastle. This role offers the chance to shape a real-time, data-heavy application that interfaces with trading systems. The position involves building mobile applications in Swift, Flu ...

Frontend Architect for AI Powered Energy Markets

Modo Energy is seeking a Frontend Engineer to lead the architectural evolution of our UI. You will work within a fast-paced start-up environment, developing high-performance, user-friendly interfaces using technologies like TypeScript, React, and Next.js. The ideal candidate will possess strong fronten ...

Front End Engineer, Institutional — Crypto Trading UI/UX

A leading crypto technology company is seeking a Front-End Engineer to join their Institutional team in London. The role involves building UIs, developing innovative data visualizations, and collaborating closely with traders to optimize tools. The ideal candidate should have experience with React, TypeScript, a ...

Founding AI Engineer — Serverless & Data Driven Innovator

Java Script Works is seeking a Founding AI Engineer to join their team in London, United Kingdom. This full-time role will focus on developing serverless architectures and integrating APIs while utilizing expertise in JavaScript, Node.js, and other technologies. The company offers a competitive compens ...

Senior Front End Engineer POC/UX Focus, Hybrid

A digital product consultancy based in Northern England is seeking a Senior Front End Engineer to enhance their Engineering team. In this role, you will create user-centered digital products, focusing on rapid iteration and usability. The ideal candidate will have strong front-end skills with modern frameworks l ...

Senior Data Engineer for AI Driven EU Analytics Platform

Amazon is looking for a Data Engineer III to lead the evolution of data architecture supporting various business domains. You will work with the EU Books BI and Data Engineering team, creating the foundation for analytics and AI tools across the organization. The ideal candidate will have experience wi ...

Lead IEC 61850 Systems Engineer for Substation Tooling

GE Vernova is looking for a Lead IEC 61850 Application Engineer in Creswell, UK. You will define requirements and enhance product features for an IEC 61850-compliant System Configuration Tool while coordinating with global engineering teams. The ideal candidate needs extensive hands-on experience with IEC 61850 ...

Forward Deployed Engineering Manager, AI & Data

Accenture UK & Ireland is looking for a Managing Engineer - Forward Deployed in London. You will manage client relationships and lead a team to deliver seamless data solutions, translating technical concepts into stakeholder language. The role requires proficiency in Python, SQL, TypeScript, and REACT, alongside ...

Staff Engineer, Content Intelligence Infra & ML Platforms

Creandum Advisor LLP is seeking a Staff Engineer to scale foundational infrastructure powering content understanding across Spotify. You will lead the design of backend systems and ML infrastructure, ensuring robust processing of multimodal content. The role requires strong programming skills in Java, ...

Enterprise Solutions Engineer GenAI & AI SaaS

A leading AI solutions company seeks a Solutions Engineer in Greater London. You will partner with Account Executives to deliver customized demos, develop technical requirements for enterprise clients, and lead customer applications of Generative AI technology. The role demands strong engineering skills, experie ...

Remote Data Engineer Cloud, ETL & DB Performance

Java Script Works is looking for an Engineer with a strong background in scripting languages like Python and TypeScript. The role is remote for the foreseeable future, based out of Central London. The ideal candidate will hold a Comp Sci or Engineering degree, and possess significant experience managin ...

Hybrid FinTech Full Stack Engineer | AI Driven Modernisation

Burns Sheehan is looking for a Full Stack Engineer in Manchester to join their scaling FinTech team. In this hybrid role, you will design and maintain full-stack applications using modern technologies while collaborating with agile teams. You will have the opportunity to work on high-impact projects le ...

Senior Frontend Engineer – AI Native UI High Impact Equity

Jack & Jill in London seeks a Senior Frontend Engineer to join an elite team focused on developing an AI-native data intelligence platform. You will design and deploy scalable frontend systems while collaborating closely with the design team to create high-quality user interfaces. The ideal candidate has experie ...

Forward Deployed Infra Engineer for Scalable Systems

A leading technology company is seeking a Forward Deployed Infrastructure Engineer to develop and maintain high-performance services for its platforms. This role involves deploying new products, troubleshooting complex systems, and automating operations. The ideal candidate will have a strong engineering backgro ...

Senior Frontend Engineer B2B Privacy Platform

A leading internet privacy company in Greater London is seeking a talented web engineer to enhance the Account experience for B2B customers. The ideal candidate will have strong experience with React and TypeScript, along with a product mindset focusing on delivering user-centered solutions. Collaborate with a d ...

Senior TypeScript Engineer for Trading Platform (Hybrid)

A large enterprise is seeking a Senior Full-Stack Engineer to join their trading platform team. You will be responsible for designing and maintaining features across the platform using TypeScript, Node.js, and React. The position emphasizes collaboration, ownership of features, and strong communication with clie ...

Senior Frontend Engineer — Build AI First Consumer Platform

La Fosse Associates is seeking a Senior Front End Engineer in Liverpool, offering up to £75k. This role is pivotal in transforming a core consumer platform, with a modern, AI-first engineering approach, and gives you real influence over front-end architecture. You will lead front-end development, own d ...

Staff Data Engineer: Quality, Observability & Governance

A forward-thinking fashion marketplace headquartered in London is seeking a Staff Data Engineer to lead the creation of frameworks and tools for data quality and governance. You'll focus on making sure data is reliable, observable, and compliant, while collaborating with various teams. Ideal candidates have subs ...

Backend Engineer, AI Platform — Build Scalable AI Tools

A tech company in Greater London is looking for a talented Backend Engineer to join their AI Platform team. The role involves designing and developing backend services for AI capabilities, ensuring reliability and scalability. Ideal candidates will have over 4 years of experience in backend engineering, particul ...

Data Engineer & Platform Analyst – Lakehouse AI (London)

A leading global investment bank in London seeks a Data Engineer to design and support data pipelines and curated datasets on their AI data platform. The ideal candidate will have experience in Python or Java, solid SQL knowledge, and a background in data modeling. Responsibilities include enhancing data pipelin ...

Senior Frontend Engineer Product Driven & AI Enabled

Levels Technologies is seeking a Senior Frontend Engineer in Greater London to take ownership of features and ensure high-quality product delivery. The successful candidate will thrive in a fast-growth environment, collaborate closely with product and design teams, and have a strong grounding in React and mod ...

Demand Forecasting & Replenishment ML Engineer

JD.com is seeking a Machine Learning Engineer in London to develop inventory prediction and replenishment optimization models. The ideal candidate will have a Bachelor’s degree and over 3 years of experience in machine learning, with skills in Python, Java, and deep learning methods. This role will als ...

Senior Backend Engineer – Fraud Risk Platform

Wise is seeking a Backend Engineer to develop a fraud engine aimed at enhancing the speed and efficiency of product launches. The successful candidate will collaborate with various teams to find the right balance between scaling and risk management. This position requires hands-on experience with distr ...

Senior Low Latency Rust Engineer Hybrid

Citibank (Switzerland) AG in Greater London seeks a Senior Low Latency Rust Engineer to lead applications systems analysis and programming in the high-performance architectures team. This role demands significant experience in low latency algorithmic trading and Java development. Responsibilities include buildin ...

Founding Full Stack Product Engineer – AI Cybersecurity

C&D Talent Advisory is seeking a Full-Stack Engineer to develop next-gen AI-native cybersecurity solutions in London. You'll work on the full product experience, integrating AI capabilities and ensuring security and scalability. The role requires strong expertise in TypeScript, React, and Node.js. Join ...

Full Stack Engineer Build Safe Digital Futures (London)

Insider, Inc. is seeking a Full Stack Engineer in London to develop critical features for Voop's platform. You will work closely with the CTO on architectural decisions and feature development across multiple applications. The ideal candidate will have experience with React, Kotlin, and backend service ...

Senior AdTech Backend Engineer: Real Time, Scalable

Depop Limited is seeking a Senior Backend Engineer to join our AdTech team in Greater London. You will help design and build scalable systems for advertising and monetization, ensuring real-time decision making. The ideal candidate has experience with backend languages like Scala or Java, and familiari ...

Senior Backend Engineer, Payroll Foundations Hybrid Equity

A tech company in the HR sector is seeking a Senior Backend Engineer to join their Payroll Foundations team. This role involves building and maintaining backend systems for payroll processing, ensuring accuracy and reliability. Candidates should have strong experience in backend systems, proficiency in Kotlin or ...

Senior Full Stack Engineer: Ownership & Impact in Energy

Propel is seeking a Senior Full Stack Engineer to join their dynamic startup team in the energy/proptech sector. This role involves building impactful products for heat pump installers and homeowners, emphasizing collaboration and mentorship. Ideal candidates will have 6-10 years of experience, a backe ...

Azure Data Factory Developer — Build Data Pipelines & Ingest

A technology consultancy in Sunbury-on-Thames seeks a Database Engineer for an 8-month rolling contract. The role requires extensive experience with IaaS, Azure SQL server, and knowledge of Big Data and NoSQL technologies. Candidates should have strong scripting abilities and familiarity with Azure Data Factory. ...

Technical Lead AI Driven Real Estate Software

Orbital is seeking a talented engineer to lead the development of innovative real estate AI solutions. You'll manage product features end-to-end, guide small teams, and utilize technologies like TypeScript, React, PostgreSQL, and Python. This role provides the opportunity to directly influence the evolution of t ...

AI Driven Full Stack Engineer for Product & Growth

GetGround is seeking a Full Stack Engineer to join their cross-functional teams in London. This role involves building user-facing products using technologies like React, Remix, and Golang. Successful candidates will work in an AI-driven environment, collaborating closely with product and design teams to deli ...

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