562,192+ Java Backend Engineer Scalable Data Platform Jobs in UK — Top Companies Hiring July 2026

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Java Backend Engineer — Scalable Data Platform

InfoSum is seeking a Java Engineer based in Basingstoke, UK, to design and maintain scalable backend systems for its data collaboration platform. This role involves working with cross-functional teams and requires strong expertise in Java and backend development. The ideal candidate will have 3+ years ...

Backend Java Engineer – Scalable Fulfilment Platform

WeAreTechWomen in Welwyn Garden City is seeking a Backend Engineer (SDE2) to develop scalable, resilient systems for fulfilment operations. As a mid-level contributor, you will work on backend features and enhance your technical leadership skills. The ideal candidate has strong experience in Java, agil ...

Java Backend Engineer — Scalable Fulfilment Platform

Tesco - Corporate in Welwyn Garden City is seeking a dedicated Full-Time Engineer to develop robust backend services for their Fulfilment platform. You will focus on building Java-based microservices and APIs to drive operational success in fulfilment operations. Successful candidates should have exper ...

Hybrid Java Backend Engineer for Scalable Data Platform

A leading technology recruitment firm is seeking a Java Software Engineer to join a technology team focused on building a greenfield data platform. This hybrid position offers a base salary of up to £175,000 plus bonuses and represents a chance to enhance your skills in a fast-paced environment that emphasizes i ...

Java Backend Engineer for Scalable eCommerce Platform

JD.COM is seeking a Software Developer to lead the development of features for online shopping on Joybuy. The ideal candidate will have a Bachelor's degree in Computer Science, with over 3 years of experience in software development, particularly in Server-side technologies like Java and Kotlin. This r ...

Senior Java Backend Engineer – Data Platform

A leading technology firm in the United Kingdom is seeking a Senior Backend Developer to support a data platform programme for a global financial services organisation. The successful candidate will design and implement backend services, ensure high levels of automated testing, and integrate with various systems ...

Backend Java Engineer – Data Fabric Platform

A leading consulting firm is looking for a Backend Java Developer specializing in Data Fabric and Platform Engineering. The role involves building core backend services in Java and implementing deterministic policy engines for data governance. Ideal candidates will have strong Java and SQL expertise along with e ...

Backend Engineer, Scalable AI Platform

Scale AI is seeking a strong engineer to join our team developing the Generative AI platform. Responsibilities include driving product features, developing backend services in Python, and collaborating across teams. The ideal candidate must have at least 4 years of engineering experience and skills in Python ...

Java Backend Engineer II: Real Time Scalable Event Platform

Tesco UK is seeking a Software Development Engineer II to join their Behavioural Data Platform team in Welwyn Garden City. You will design and develop event-driven backend services that enhance customer experiences through data processing. This role offers the opportunity to grow your backend engineeri ...

Java Backend Engineer: Scalable Microservices & Cloud

InfoSum is seeking an experienced Java Engineer to design and maintain scalable backend systems for our data collaboration platform. You will work collaboratively with cross-functional teams to deliver high-performance solutions that are secure and reliable. The position offers a competitive salary bas ...

Java AI Engineer: Scalable Backend & ML

A technology consultancy in Greater London is seeking a skilled Java Engineer with AI expertise to design and deploy intelligent applications. This role combines backend engineering and AI, requiring strong experience in Java, Spring Boot, and microservices. Responsibilities include integrating AI/ML models and ...

Platform Engineer: Backend Java for Data Fabric

A leading consultancy firm is looking for a Backend Java Developer for a hybrid role in London. You will build core backend services for a Data Fabric platform, implementing rule engines and working with SQL parsing and distributed data systems. Ideal candidates should have strong experience in Java (17/21), Spr ...

Impactful Backend Engineer (Go) for Scalable Data Platform

InfoSum is seeking a Software Engineer in Basingstoke to design, develop, and maintain software solutions that meet clients’ needs. The role involves collaborating with cross-functional teams, writing quality code, and ensuring software functionality. Candidates should have 4+ years of experience with ...

Senior Backend Platform Engineer Scalable APIs

Crossing Hurdles is seeking a Backend Developer in the United Kingdom to design, develop, and maintain scalable backend services and APIs that meet demanding performance requirements. The ideal candidate will work cross-functionally to address business needs and optimize backend systems for reliability and se ...

Senior Platform Engineer — Scalable Fintech Backend

Saturn is looking for a Senior Platform Engineer to own backend architecture and infrastructure in London. You will be responsible for designing and maintaining scalable systems, ensuring reliability and performance for financial services. The ideal candidate has over 5 years of developing backend solutions in p ...

Senior Backend Engineer Scalable Payments Platform

United States Digital Space LLC is seeking a candidate to join their Contacts team, focusing on scaling backend solutions for a recipient management product. Your role will involve collaborating closely with engineers and designers, ensuring customer experience is at the forefront of development. Ideal ...

Senior Backend Engineer — Scalable AI Platform

Capsa AI is seeking a Senior Fullstack Engineer to build the infrastructure behind our AI Operating System. Located in London, this hybrid position requires your expertise in developing scalable systems that process financial data. We expect candidates to have at least four years of experience in produ ...

Platform Backend Engineer – Scalable APIs & Cloud

Speechify is looking for a talented backend developer to join our Platform team in Greater London. This role involves building and maintaining backend services that power our products, ensuring robust API performance and scalability. The ideal candidate should have extensive experience with TS/Node in ...

Platform Engineer: Scalable Backend (Remote | Travel)

My Product Path is looking for a Platform Engineer in Maidenhead to help build and scale cloud-based platforms for safety-critical communication systems. This senior role requires strong experience in backend systems, solid coding skills in Python and/or Node.js, and hands-on exposure to cloud environments, pref ...

Senior Java Engineer Scalable Fulfilment Platform

WeAreTechWomen seeks highly skilled Software Development Engineers for a green field project aimed at developing a next-generation customer fulfilment system. The position calls for strong Java-based application development skills, experience in agile methodologies, and a collaborative attitude. Ideal candidates ...

Java Platform Engineer — Secure, Scalable, DevOps

Java Platform Developer Location: On site in Gloucester or Central London, 5 days a week. Due to security vetting requirements, candidates must be UK nationals or sole British citizens with no dual nationality and must have resided in the UK for 10 years or more. Role Respo ...

Senior Java Engineer Scalable Fulfilment Platform

Tesco UK is seeking a Software Development Engineer (SDE) to join their team in Welwyn Garden City. This role focuses on designing, developing, and implementing a next-generation customer fulfillment system using Java and Spring Boot, aimed at optimizing warehouse operations. Ideal candidates will possess hands- ...

Backend Engineer – Scalable Data & APIs

A leading software company based in Greater London is seeking a passionate Backend Software Engineer to architect, develop, and maintain high-performance backend systems. You will collaborate with cross-functional teams to create sophisticated data solutions, optimize code for speed, and build robust APIs. The i ...

Java Backend Engineer II — Scalable API Innovation

Tesco is seeking a Software Development Engineer II to join its Lists and Substitutions Team in Greater London. In this role, you will develop high-performance backend APIs that enhance the shopping experience for millions of customers. Responsibilities include coding in Java, participating in planning sessions, ...

Java Backend Engineer Cloud Native & Scalable Systems

A technology company in Northern Ireland is seeking a passionate Backend Engineer to join their engineering group. The ideal candidate will have at least 3 years of experience in Java development and be capable of delivering robust backend solutions. Responsibilities include architecting backend services and sup ...

Senior Java Backend Engineer: Scalable Microservices Lead

Arrive is seeking a Senior Backend Engineer to design and operate microservices for core products. Your focus will be on creating stable, secure, and scalable systems, while continuously improving quality and reliability. With 4+ years of experience in backend engineering, you’ll collaborate closely wi ...

Java Backend Engineer – Scalable APIs on Azure

JACOBS in Bristol is seeking a Java Software Engineer to design and deliver innovative software solutions across various sectors including transportation and government. This full-time, permanent position offers flexible working arrangements and emphasizes work-life balance. The ideal candidate will ha ...

Senior Java Backend Engineer — Build Scalable APIs

A leading technology company in Southampton is seeking a Senior Backend Engineer to evolve its Unified Profile service. The successful candidate will design and build robust, API-driven services, ensuring a seamless experience across multiple products. With an attractive salary range of £75,000-90,000, the role ...

Senior Java Backend Engineer Build Scalable Microservices

Alumni Ventures is looking for a Senior Java Engineer to join their team in Greater London. In this role, you will design and develop backend services using Java and Spring Boot, ensuring the reliability and scalability of their systems. The ideal candidate has a strong understanding of microservices a ...

Java Backend Engineer for Scalable Travel APIs

At SilverRail, we're on a mission to reshape the way the world travels, and we're inviting you to be part of this journey. Rail is becoming the go-to choice for short and medium‑haul travel worldwide, and we're here to help make it happen. In the face of the ongoing climate crisis, our vision is cry ...

Java Backend Engineer — Scalable Cloud APIs (Hybrid)

Jacobs is seeking a Java Developer in Glasgow to design and deliver scalable back-end services and APIs using modern Java practices. This full-time, permanent position offers a hybrid working model, emphasizing work-life balance and flexibility. The ideal candidate will have strong Java development exp ...

Senior Java Backend Engineer: Build Scalable Microservices

EasyPark in Greater London is seeking a Senior Backend Engineer to design, build, and operate microservices that are essential to our core products. You will collaborate within a cross-functional team responsible for maintaining the backend services that support the company. The ideal candidate will ha ...

Backend Java Engineer – Scalable APIs + Azure (Hybrid)

Jacobs is looking for a full-time Software Developer in Exeter to design and deliver scalable back-end services using modern Java practices. The role emphasizes performance optimisation and collaboration within agile teams. Candidates should have strong Java expertise and experience with cloud platform ...

Senior Java Backend Engineer Scalable Microservices (Hybrid)

United States Digital Space LLC is seeking an experienced engineer in Haywards Heath, England, to build and maintain Java Spring Boot microservices. You will collaborate across teams to ensure high-quality code and optimized APIs while mentoring other engineers. This role emphasizes system design for s ...

Java Backend Engineer II – Real‑Time Data Platform

WeAreTechWomen is seeking a Software Development Engineer II to join our collaborative team in Welwyn Garden City. You will work on high-performance event-driven services, enhancing customer experiences through backend development. We're looking for candidates with a working knowledge of Java and a wil ...

Senior Java Backend Engineer – Cloud Data Platform (Remote)

Xantura Limited is seeking a Senior Java Developer in London to design and develop scalable backend systems for our cloud-based data and analytics platform. Candidates should have strong commercial experience with Java and excellent technical skills in SQL, REST APIs, and Linux environments. The role i ...

Java Backend Engineer Dataflow & Ads Platform

LoopMe is seeking a Java Backend Engineer - Dataflow to join their team in the United Kingdom. The role involves working with technologies like Java, PostgreSQL, and Kafka to optimize performance and enhance cloud infrastructure. Candidates should have a strong foundation in backend systems and data processing. ...

Senior Backend Engineer, Contacts Platform (Java)

A global technology company is looking for a dedicated backend engineer to join their team in London. You will drive the technical vision for the backend solution powering the recipient management product, collaborating with an agile team focused on delivering top-notch customer experiences. The ideal candidate ...

Senior Backend Engineer Contacts Platform (Java)

A global technology company is seeking a Senior Software Engineer II for the Contacts Team in Greater London. The role involves driving technical solutions for recipient management in a collaborative agile environment. Candidates should possess strong Java experience and a proven record with distributed systems. ...

Backend Engineer, Payments Platform (Java/Kotlin)

hackajob is collaborating with Wise to connect them with exceptional professionals for this role. Company Description Wise is a global technology company building the best way to move and manage the world’s money. With minimal fees and maximum ease, we help people and busi ...

Senior Java Engineer Backend & Cloud Platform

LinkedTrade, based in Greater London, is seeking a skilled Java engineer to join their dynamic team. The role requires a deep understanding of Java and experience in back-end development to enhance their unique SaaS platform. The successful candidate will collaborate closely with the Lead Java engineer ...

Platform Engineer: Scalable Cloud & Data Platform

A climate technology company in Greater London is seeking a Platform Engineer to design and improve cloud infrastructure. This role requires deep AWS and Terraform expertise to enhance team productivity and ownership of end-to-end processes. Candidates should have strong Python skills and a solid understanding o ...

Senior Backend Engineer: Build a Scalable AI Data Platform

Encord, based in Greater London, seeks an outstanding engineer to enhance its AI data platform. Join a collaborative team impacting the growth of the company while working on complex projects. The ideal candidate will have solid experience in backend infrastructure and be proficient in languages like P ...

Senior Backend Engineer — Scalable AI Security Platform

A cutting-edge cybersecurity firm in London is seeking a Senior Software Engineer to lead complex projects focused on developing scalable backend systems and ML tools. The ideal candidate will possess at least 7 years of experience, particularly in Python and cloud services like AWS. Responsibilities include man ...

Senior Backend Engineer — Scalable, On Call Platform

A leading software development company in the United Kingdom is seeking a Senior Software Engineer to innovate and develop next-gen software solutions. The role involves designing, optimizing, and troubleshooting platform components, requiring at least 4 years of relevant software development experience, profici ...

Senior Backend Engineer — Scalable AI HealthTech Platform

An innovative AI HealthTech firm in Manchester is seeking a software engineer to design and build high-performance services. The role involves making architectural decisions, collaborating with teams, and leading technical efforts. Ideal candidates will have over 5 years of experience with Python or Java, expert ...

Senior Software Engineer ML Platform & Scalable Backend

Your Mission As part of the Communications Mining team, you'll be responsible for building and maintaining our backend and ML serving services. This includes a highly available public API, data-aggregation services and real-time pipelines to support and scale our machine learning models. The stack i ...

Platform Services Engineer Build Scalable Backend Systems

Addepar is seeking a skilled backend software engineer to join its Platform Services team in Edinburgh. This role focuses on developing resilient distributed services and supporting product operations through engineering excellence. Candidates should be comfortable working independently and thrive in ambiguou ...

Backend Engineer Scalable Microservices for AI Platform

A technology innovator in London is seeking a Backend Developer to manage and evolve their microservices codebase. The successful candidate will implement new features, write database migration scripts, and debug issues within a cloud-native environment. Strong experience with PostgreSQL, Docker, and autonomy in ...

Capital Markets Backend Engineer – Scalable SaaS Platform

A capital markets technology company in Greater London seeks a backend engineer to build scalable services for a SaaS platform. You'll design and develop APIs, support high-availability systems, and enhance performance. Ideal candidates will have experience with Java or Kotlin and exposure to financial services. ...

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    Java Backend Engineer Scalable Data Platform Jobs in United Kingdom Job Search Guide, Trends and Insights