293,030+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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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 ...

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 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 ...

Fintech Selenium QA Engineer C# Testing Specialist

Java Script Works is seeking a Selenium QA Tester in Tunbridge Wells, Greater London. The ideal candidate will have a 2:1 Computing Science degree from an EU University and demonstrable experience in Selenium Testing, QA methodologies, and a variety of testing tools. This full-time role offers a salary of up to ...

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 ...

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 ...

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 ...

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 ...

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 ...

Automation QA Engineer – Playwright, Cypress & CI/CD

Java Script Works in Greater London is seeking a candidate skilled in automated testing tools such as Playwright and Cypress, as well as scripting languages like TypeScript and JavaScript. The ideal applicant should have a strong grasp of CI/CD tools like GitLab and TeamCity, while experience with project manage ...

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 ...

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 ...

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' ...

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 ...

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 ...

FX Algo Quant Hybrid Analyst for FX Pricing & Risk

Citibank (Switzerland) AG is seeking a Quantitative Analyst in London to enhance FX trading models. The role demands strong programming skills in Python and Java, alongside experience in quantitative analysis. With a hybrid working model, the position offers generous benefits including 27 days of annual leave ...

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 ...

Senior Backend Engineer: AI Driven Pricing & Offers

Expedia, Inc. is seeking an experienced backend developer to join the Offers Domain team. The role requires expertise in building scalable services using Java or Kotlin on cloud platforms, along with strong knowledge of distributed systems and AI/ML applications. The ideal candidate has 8+ years of exp ...

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 ...

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 ...

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 ...

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 ...

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 ...

Netsuite & Salesforce Engineer (Contract) – London

Java Script Works is looking for a Netsuite Developer with experience in Salesforce to join their team in London, UK. Candidates should be proficient in JavaScript and SuiteScript, with strong knowledge of client-side technologies and web services. This contract role offers exposure to competitive compensation a ...

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 ...

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 ...

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 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 ...

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 ...

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 ...

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 ...

Python Developer – Up to £170,000 + Bonus + Benefits

Python Developer – Up to £170,000 + Bonus + Benefits Python Developer – Up to £170,000 + Bonus + Benefits Direct message the job poster from Hunter Bond Principal Consultant / Team Lead at Hunter Bond Salary: Up to £170,000 + Bonus + Full Benefits Package < ...

Functional Integration Engineer HS2

Functional Integration Engineer - High Speed Two Ltd (HS2) Location: London Euston | Hybrid Working (c.3 Days Office) Programme: HS2 Major Rail Infrastructure Programme (10-12yrs) Salary: £65,000 – £70,755 + 12% Pen + Health + 25 Holiday Progression: Se ...

Senior QA Automation Engineer

Senior QA Automation Engineer / SDETSalary: £70,000 - £80,000 Location: Central London, hybrid, 3 days per week in the office Type: PermanentA leading insurance organisation is looking to recruit a Senior QA Automation Engineer / SDET into a growing technolo ...

Principal Electrical Engineer

Astute's Nuclear Team is partnering with a leading engineering and technology organisation specialising in complex maritime and defence systems to recruit a Principal Electrical Engineer for its facility in Winfrith Newburgh.The Principal Electrical Engineer role comes with a competitive salary, flexi ...

Engineer Wind Loading

Engineer - Wind Loading (Scientist/Engineer) Department: Wind Engineering Employment Type: Permanent - Full Time Location: Milton Keynes, UK Reporting To: Fabio Faseli Compensation: £28,500 / year RWDI is seeking an Enginee ...

Engineer Wind Loading

Engineer - Wind Loading (Scientist/Engineer) Department: Wind Engineering Employment Type: Permanent - Full Time Location: Milton Keynes, UK Reporting To: Fabio Faseli Compensation: £28,500 / year RWDI is seeking an Enginee ...

Principal Electrical Engineer

Astute's Nuclear Team is partnering with a leading engineering and technology organisation specialising in complex maritime and defence systems to recruit a Principal Electrical Engineer for its facility in Winfrith Newburgh.Is your CV ready If so, and you are confident this is the role for you, make sure to ...

Lead Design Engineer Telecoms

About the job Lead Design Engineer - Telecoms Position Overview As a Lead Railway Telecomm Design Engineer, your role would involve overseeing and managing the design and implementation of telecommunication systems for railway projects. Given the critical role that telecommunicati ...

Infrastructure Research Engineer

1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from European Tech Recruit Principal Consultant | Software Engineering, AI & CV/ML, Semiconductors & Electronics Infrastructure Research ...

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