316,524+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Enterprise Solutions Engineer: GenAI & AI Apps

A leading AI company is seeking individuals to partner closely with clients, delivering tailored AI solutions and demonstrating expertise in Generative AI applications. Strong engineering background, especially in Python and Java, is essential. Ideal candidates should have experience in technical client engageme ...

London Based Platform Engineer: AI Driven Subscriptions

Zuora is seeking a developer for their London office to contribute to Zephr, a key subscription experience platform. This role involves creating innovative solutions for a high-throughput application and developing secure APIs. Candidates should be proficient in Java or Kotlin, with experience in JavaScript or T ...

Senior Network Monitoring Engineer & Tech Lead

A leading technology solutions provider is seeking an experienced professional in Manchester to design, implement, and support enterprise-level monitoring solutions in a complex environment. This role requires hands-on technical leadership with experience in both open-source and commercial monitoring tools. Idea ...

Genomics Data Scientist Python, ML & SQL in Cambridge

Java Script Works in Cambridge is seeking a Data Scientist to drive data analysis and statistical modeling for next generation sequencing data. The ideal candidate will have strong skills in Python, SQL, and relevant libraries such as pandas and scikit-learn. This full-time position offers competitive compensati ...

Senior Full Stack Engineer & Technical Leader

A leading consultancy firm in Greater London is seeking passionate engineers to contribute across the tech stack. The role requires proficiency in cloud environments and coding in languages like Python or Java. Responsibilities include maintaining code quality and mentoring fellow engineers, with opportunities f ...

Senior Android Developer (Contract) – Guildford, 1 Day/Week

Methods is seeking a Senior Android Developer for an initial 6‑month contract based in Guildford, UK. This role requires over 10 years of professional experience in mobile development, with the successful candidate expected to work full-time and attend the office 1 day a week. Proficiency in Android is essential ...

Frontend Developer Shopify & E‑commerce

Java Script Works is seeking a Front-end Developer to contribute to their Digital team and enhance the e-commerce development roadmap. The role demands strong skills in HTML, CSS, and JavaScript, with experience in Shopify. Ideal candidates should be highly self-motivated and able to multi-task effectively. This ...

Senior Frontend Developer — Vue.js + TypeScript

Java Script Works is seeking a skilled Frontend Web Developer based in Greater London, United Kingdom. The role requires a minimum of 5 years of experience and expertise in JavaScript, TypeScript, and CSS. Experience with Vue.js (2) is a must. This full-time position offers a competitive salary and the opportuni ...

Senior Solutions Architect – Protection (Edinburgh)

Royal London Group is looking for a Senior / Solutions Architect for our Edinburgh office to design scalable architecture specifically for protection solutions. The candidate should be proficient in Python, Java, Azure, and CI/CD practices. This is a full-time role offering competitive compensation. Id ...

Cloud Geospatial Application Architect

A leading renewable energy company is seeking an experienced Application Architect to design and develop backend systems utilizing Java, Spring Boot, and PostgreSQL. The role involves building scalable RESTful APIs and optimizing database performance, contributing to the digital transformation of the energy mark ...

Backend Mobile Apps Engineer (Python/Django) – London

Java Script Works is seeking a Backend Mobile App Developer specializing in Python and Django. The ideal candidate will have at least 1 year of experience in backend development and hold a 1st class degree in a relevant field. Knowledge of frontend development is an added advantage. Compensation ranges ...

ServiceNow Developer – SC Cleared, JavaScript & API (Hybrid)

Java Script Works is seeking a ServiceNow Developer to join our client in the public sector for a 12-month contract. The role requires expertise in ServiceNow development, JavaScript, API integration, and related technologies like Jira, Azure, ITSM, and ITOM. The position offers a competitive pay of up to £700 p ...

Equity Derivatives Front Office Tech Lead — SVP

Jefferies is seeking a Front Office Developer in London to enhance Derivatives technology. The role requires strong skills in C#/.NET or Java and expertise in Capital markets, particularly Equity Derivatives. The successful candidate will work with global teams, manage deliveries, and contribute to pro ...

Senior/Lead Full Stack Developer (Vue 3, Node, Google Cloud)

Java Script Works in Guildford is seeking an experienced Senior/Lead Developer to join their Resident Experience product team. In this role, you will design and develop products that enrich the lives of residents in care. The ideal candidate will have proven experience with Vue 3, Node.js, and full-sta ...

Graduate Tech Consultant — Trading Platform

Quant Capital is seeking a Graduate Technical Consultant for their Trading Platform based in London, United Kingdom. The role demands a full-time commitment and requires candidates to have a degree in computer science along with essential skills in SQL and Java. Candidates should possess client-facing ...

Graduate Salesforce Consultant: Build Elegant Solutions

A technology consulting firm is seeking a Graduate Salesforce Consultant to join their Salesforce development team in Manchester. This position offers exciting career growth with responsibilities in designing and developing innovative Salesforce solutions. Ideal candidates will have a degree in IT or Computer Sc ...

Remote Backend Engineer & AI Trainer

A leading technology consulting firm is seeking a Backend Engineering Specialist – AI Trainer to shape the evolution of AI tools. You will utilize your backend expertise to enhance AI systems and train models, collaborating in a remote environment. The ideal candidate possesses strong skills in backend technolog ...

Construction HSE Lead – Safety, Compliance & Culture

JAVA Recruitment Ltd is seeking a Construction Health, Safety & Environmental (HSE) Manager for a 30-week project in Enfield. The role involves leading site safety and ensuring compliance with HSE regulations in a live construction environment. The ideal candidate should possess strong communication sk ...

Service Team Leader: Elevate Customer Experience

Java Script Works is seeking a Service Team Leader in Kirkcaldy, United Kingdom. The ideal candidate will possess a customer-focused approach, adept at leading teams and enhancing service performance. Responsibilities include guiding service teams and ensuring exceptional customer interactions. This full-time ro ...

Operations Tech Lead Digital Transformation & AI

A leading financial technology firm is seeking a Corporate Technology Lead in London to drive their technology roadmap for corporate functions. This role involves leading digitization efforts, managing vendor relationships, and overseeing operational technology transformations. The ideal candidate will have over ...

Senior Engineering Lead: Accounting Integrations & Reporting

A global technology company is seeking a Senior Engineering Lead to guide the Business Accounting Integrations and Reporting team. This role involves shaping the technical roadmap, mentoring engineers, and designing efficient integration platforms. Ideal candidates have strong experience in OOP languages such as ...

Senior ServiceNow Developer: Platform & JS Expert

Java Script Works in Hatfield is looking for a Senior ServiceNow Developer to focus on developing on the ServiceNow platform. You will utilize web technologies such as JavaScript, XML, JSON, HTML, and CSS to build and enhance functionalities. The ideal candidate should have experience in ServiceNow dev ...

Senior Risk Tech Lead Real Time Front Office Platform

Mondrian Alpha is hiring a Senior Risk Technology Lead to join their London office. This pivotal role is centered on enhancing a business-critical cross-asset risk platform, dealing with trading and real-time risk decision-making. The ideal candidate has a strong background in risk engineering, particu ...

ServiceNow Developer – SC Cleared, JavaScript & API (Hybrid)

Java Script Works is seeking a ServiceNow Developer to join our client in the public sector for a 12-month contract. The role requires expertise in ServiceNow development, JavaScript, API integration, and related technologies like Jira, Azure, ITSM, and ITOM. The position offers a competitive pay of up to £700 p ...

Lead Execution Quant Strategist

Citi EMEA in Greater London is looking for an experienced execution strategist to develop and maintain algorithmic trading systems. This role involves designing execution algorithms, optimizing trading strategies, and collaborating with various teams to enhance execution quality. The ideal candidate wi ...

Solutions Architect: Data Integration & Platform Health

Bestway Group is seeking an experienced Solution Architect to manage blueprint delivery, vendor governance, and complex data mapping. The ideal candidate has over 8 years of experience in E-commerce platforms, API management, and integration tools such as Node.js, Java, and PostgreSQL. You will create high-qu ...

Head of IT & Innovation AI, Blockchain, Retail

Java Script Works is seeking an experienced IT Director to lead our IT strategy in London, United Kingdom. You will focus on integrating innovations like AI and blockchain into our operations, ensuring we remain at the forefront of technology in retail. The ideal candidate will have a track record of s ...

Senior Solution Architect – Ecommerce & API/Middleware (On site)

Sivara GmbH is seeking a Solutions Architect based in Wembley, London, to deliver high-quality architectural designs and lead technical initiatives. The ideal candidate will have expert knowledge in Node.js, Java, and PostgreSQL, with a focus on E-commerce platforms and API management. This hands-on ro ...

Senior Front Office Developer, Crypto HFT & Trading Systems

A boutique alternative asset manager in Greater London is looking for a Front-Office Developer specializing in high-frequency trading for cryptocurrencies. The successful candidate will design and implement trading algorithms and work closely with quantitative teams. A strong background in high-performance Java ...

Dynamics 365 Developer: Power Platform & Azure Specialist

Java Script Works is looking for a Microsoft Dynamics 365 Developer based in Solihull, United Kingdom. The ideal candidate should have a solid background in C# .NET, JavaScript, and SQL, along with experience managing large-scale Dataverse instances. The position offers a full-time role with a competit ...

C# .NET Developer – Insurance Tech, SQL & Office

Onyx-Conseil is seeking a C# .net Developer to join their insurance underwriter team in City of London. The role requires a deep understanding of C# development, along with skills in Java/jQuery and SQL Server. The ideal candidate will have 5-7 years of experience, strong communication abilities, and a ...

Senior AI Engineering Architect & Tech Lead

Imperial Civil Enforcement Solutions Limited is seeking a Technical Lead to provide senior technical leadership in AI Engineering and Architecture. This role involves hands-on coding, defining scalable architectures, and mentoring engineers. Key responsibilities include driving AI-assisted development ...

Full Stack Developer – Platform Modernisation & Risk

慨正橡扯 is seeking a Full Stack Developer in Glasgow to support the delivery of scalable applications in a collaborative environment. The ideal candidate will modernise platforms, ensuring compliance with regulatory requirements while working with experienced engineers. This role emphasizes strong capabil ...

Full Stack Web Developer — Build Modern Web Solutions

Wave Recruitment - Demo is looking for a Full Stack Web Developer to join their team in Reading, UK. This role involves developing and maintaining websites, ensuring smooth user experiences, and requires expertise in HTML, CSS, JavaScript, PHP, Wordpress, Java, and jQuery. The ideal candidate will have ...

Senior Backend Engineer Scalable Recipient Platform

Wise is seeking a skilled backend developer to join their Contacts team in Greater London. You will be driving the technical vision for scalable backend solutions and building a first-class recipient management product. The role requires experience with distributed systems, Java, and a strong product m ...

Data Platform Engineering Lead Hybrid, High Impact

Wise is seeking an Engineering Lead for its Database Reliability Engineering team in the United Kingdom. This role involves leading a high-performing team, supporting high-impact solutions, and collaborating with cross-functional teams. The candidate should have a strong background in development, pref ...

Senior Engineering Lead: Accounting Integrations & Reporting

A global technology company is seeking a Senior Engineering Lead to guide the Business Accounting Integrations and Reporting team. This role involves shaping the technical roadmap, mentoring engineers, and designing efficient integration platforms. Ideal candidates have strong experience in OOP languages such as ...

Senior Real Time Ads Auction Architect

Roku in Cambridge is seeking a leader to build and optimize auction systems that enhance advertising performance. Your role includes designing systems that serve billions of ad opportunities while collaborating closely with engineering and product teams. Ideal candidates will have over 5 years of exper ...

Fixed Income Algorithmic Trader

UBS is seeking a quantitative trader/developer to join their fixed income algorithmic trading team. The successful candidate will work on developing data-driven trading systems focused on government bonds and Interest Rate Swaps. This role emphasizes the design and implementation of trading strategies ...

Platform Engineer: Build Scalable APIs & Services

Caspian One Ltd is seeking experienced engineers for a hands-on platform engineering role in Sheffield, UK. You will design and build scalable Back End systems, contributing to a modern development platform used by many engineers. The ideal candidate has strong coding skills in Java, Node.js, or Python ...

Hybrid T24 Developer for Temenos Migration – London

TrinIT Group is looking for a T24 Developer to join their team in London on a 6-month contract. This hybrid role requires 50% onsite attendance and offers £425 per day. The role focuses on supporting a major Temenos T24 migration and upgrade programme, requiring experience with T24 development and Oracle data ...

Senior Front End Dev (Vue.js) Build Great UIs

Java Script Works is looking for a Senior or Middleweight Front-End Developer focused on Vue.js in Barnstaple, North Devon. Ideal candidates will have several years of experience in front-end development and a strong passion for creating excellent user experiences. This full-time position offers competitive comp ...

Platform Lead Developer – Cloud Native APIs & Microservices

Vodafone is seeking a Platform Lead Developer to design and maintain cloud-native services that support Vodafone’s Digital & IT Platform in Newbury. You will work within cross-functional teams to shape APIs and integrations, driving end-to-end customer experiences. The ideal candidate has over 7 years' ...

Logistics Data Science Lead for Scalable Ops

A leading retail technology firm in the UK seeks a Data Science Leader to guide a team in leveraging data for strategic business solutions. This role involves mentoring Data Scientists and managing complex optimization projects within an innovative environment. Candidates should possess expertise in data science ...

Senior Applied Scientist: ML & Optimization

Job Search Place Limited is looking for a Senior Applied Scientist to join their dynamic team in London, United Kingdom. The ideal candidate should possess a Master's degree along with extensive experience in programming languages like Java, C++, and Python. This role will involve leveraging advanced n ...

Applied Scientist — NLP/LLM for Conversational AI

Amazon.com, Inc in the United Kingdom is seeking an Applied Scientist to enhance Alexa's conversational systems through advanced Natural Language Processing (NLP) and machine learning techniques. The ideal candidate will collaborate with engineers and scientists, driving innovation in product experiences. </p ...

Android Security Researcher: Reverse‑Engineer & PoC Dev

CoreTech Security Services is looking for an Android Security Researcher based in Cheltenham, England. You will conduct advanced research and develop prototypes related to Android security, including reverse engineering and vulnerability analysis. We're seeking individuals with expertise in Android internals, pr ...

Applied Scientist: Ad Matching & Personalization

Amazon Development Centre (London) Limited is seeking an Applied Scientist to optimize ad matching in programmatic advertisements. Responsibilities include designing deep learning models and improving their performance. Candidates should have strong programming skills in Java, C++, or Python along with a rele ...

Lead Solutions Architect: API & E‑commerce, On‑Site London

Adecco is seeking a Solutions Architect based in Wembley to lead the development of high-quality designs for various projects. Responsibilities include vendor governance, data integration leadership, and maintaining technical documentation. The ideal candidate will have a strong background in solution architectu ...

Electrical Improver – Steel Conduit Expert (7 8m Contract)

JAVA RECRUITMENT LIMITED is seeking an Electrical Improver for a temporary role based in Bexhill-on-Sea, East Sussex. The position offers £20 per hour with expected work for 7-8 months. Candidates must have ECS Electricians Improvers or CSCS card and experience with steel conduit. Working hours are fro ...

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