252,218+ Backend Java Engineer Apis Postgresql Cloud Jobs in UK — Top Companies Hiring June 2026

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Backend Engineer, B2B APIs & Cloud

tombola is seeking a Software Developer for their backend team in Sunderland, focusing on building scalable backend services and APIs for external partners. The ideal candidate will have strong C# knowledge, experience with .NET, and familiarity with cloud platforms like AWS. This hybrid role involves 3 days in ...

Java Backend Engineer for Subsurface APIs

Halliburton Energy Services in Abingdon seeks a Java developer with over 3 years experience for their Neftex Technical Services Team. This role involves developing subsurface evaluation solutions and requires attendance at the Abingdon office at least three days a week. Successful candidates will work ...

Lead Backend Engineer — APIs, Data & Cloud

A leading AI platform company in Greater London is looking for a skilled backend developer who excels in Python and has experience with Flask and FastAPI. This role offers the opportunity to take technical leadership on diverse projects while working closely with cross-functional teams. You will be responsible f ...

Cloud Native Java Backend Engineer

Response Informatics is looking for a Software Engineer in Belfast for a 6-month contract with a possibility of full-time employment based on performance. You will be responsible for building and enhancing backend services in a cloud-modernization project for a large-scale email security platform. The ...

Backend Java Engineer: Cloud & Microservices

Capco is looking for a Backend Software Engineer to join their growing team in Edinburgh (Hybrid). This permanent role involves building scalable backend services using Java and working with cloud-native technologies. The ideal candidate will have strong Java skills and experience deploying solutions into AWS ...

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 ...

Lead Backend Engineer — Cloud, APIs & Scalable Services

Capital One UK is looking for a Lead Software Development Engineer to join their backend team in London on a hybrid basis. The role involves leading projects, ensuring technical design, and collaborating with stakeholders to achieve business outcomes. You will leverage your experience in backend servic ...

Senior Backend Engineer: Cloud Native & Scalable APIs

APBA TG HUMAN RESOURCE PTE. LTD. is seeking a Backend Engineer to design, develop, and maintain scalable backend services. The role demands proficiency in modern programming languages and cloud platforms while ensuring high software quality. Ideal candidates should have a degree in Computer Science or ...

Senior Python Backend Engineer: APIs, Cloud & Data

A technology consulting firm is looking for a Senior Python developer to enhance applications for investor portfolio management. You will collaborate with business analysts and developers, focusing on designing production APIs, improving system efficiency, and employing cloud-native solutions. The ideal candidat ...

Senior Java Engineer | Enterprise APIs, Kafka & Cloud

A leading financial institution in Leeds is seeking a Senior Software Engineer to design and build high-quality Java applications. This role involves working in an agile team, ensuring software meets performance standards, and mentoring juniors. Candidates should have strong experience with Java, Spring framewor ...

Senior Java Microservices Engineer Cloud Native APIs

HCLTech is seeking a Senior Engineer to take end-to-end ownership of complex distributed systems. You will design, build, and operate cloud-native microservices in Java 17/21 with Spring Boot, ensuring responsiveness through modern front-ends in Typescript. This hands-on role involves daily production ...

Senior Software Engineer

Tiro Partners is supporting an award-winning Series-A startup developing cutting‑edge solutions across cloud platforms, AI & computer vision, embedded systems, electronics, and data science We’re now looking for a Backend Engineer with strong Node.js experience to join our growing engineering team i ...

Senior Backend Engineer—Java, Cloud Microservices

JPMorgan Chase is looking for a Software Engineer III to join their International Consumer Bank team in London. This role involves developing cutting-edge cloud-native applications while ensuring reliable and secure systems. Candidates should have a solid background in Java, cloud technologies, and a passion for ...

Senior Backend Engineer Java/Kotlin, Cloud

J.P. Morgan is seeking a Back-End Engineer to deliver cloud-native solutions using Java/Kotlin. The role involves designing technical solutions, writing tests, and supporting products throughout their lifecycle in a dynamic and agile team environment. Ideal candidates will have experience in microservices arc ...

Senior Backend Engineer — Java, Cloud & DevOps

Parser Limited is looking for a Senior Java Engineer to join their dynamic team in London. This role involves developing software solutions and embracing DevOps practices while working 2-3 days a week in the office. The company promises a highly competitive compensation package and extensive growth opportunit ...

Java Backend Engineer Cloud & Distributed Systems

Job DescriptionMy client, a global technology company specialising in secure communications and enterprise software solutions, is hiring a Backend Software Engineer to join an established engineering team based in Belfast. This is an exciting opportunity to work on business-critical backend ...

Backend Engineer (Java) Cloud & Microservices (Hybrid)

A financial services consulting firm is seeking a Backend Software Engineer skilled in Java to join their Edinburgh team (hybrid role). This position focuses on building scalable backend services and designing microservices. Applicants should have strong experience with Spring Boot, cloud technologies (preferabl ...

Java Developer (GCP)

Role: Senior Backend Software Engineer - Java – Identity Management Services - GCP Senior Backend Software Engineer required to join an Identity Management Services team, responsible for designing and delivering secure, scalable backend platforms. You'll act as a technical leader, driving modern ...

Java Backend Engineer

Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia, ...

Java Backend Engineer

Java – Backend EngineerWe’re looking for an experienced backend Engineer with Core Java 11 &17 for an exciting project with a global finance organisation. you’ll be delivering solutions using both your Java skill set, spring, and SQL in an Agile environment.The role will be working a number of workstreams, so ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Java Backend Engineer

Job Title: Java Backend EngineerNo: of Positions: x4Location: LondonDuration of the Assignment: 1 YearExperience required: 10+Department/Practice: Commercial bankingStart Date: 17/07/2026Day rate: Upto £550 per day - DoE (Inside IR35)Job Purpose and primary objectives:Our clie ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, data processing, and h ...

Senior Python Backend Engineer – APIs & Cloud (Hybrid London)

United States Digital Space LLC is searching for a Senior Backend Developer to join their team. This hybrid position requires 1-2 days in the office in London, E1. You will design and maintain backend applications that support complex workflows. The ideal applicant has strong experience in Python and A ...

Hybrid Backend Engineer: B2B APIs & Cloud (C#, AWS)

Join tombola in Sunderland as a Software Developer! You will contribute to backend development for our B2B platform, building reliable systems for external integrations. This role involves working with technologies like C#, .NET, AWS, and more. You will design APIs and maintain backend services, ensuri ...

Senior Software Engineer

Software Engineer (Full Stack)Role: Software Engineer (Full Stack) Location: Milton Keynes (Hybrid - 2-3 days onsite) Type: Permanent Clearance: Must be eligible for UK SC ClearanceThe OpportunityWe are recruiting for multiple Full Stack Software Engineers to join an establish ...

Senior Java Backend Engineer — Build Scalable, Fault Tolerant APIs

About Fanduel FanDuel Group (FanDuel) is an innovative sports‑tech entertainment company that is changing the way consumers engage with their favorite sports, teams, and leagues. The premier gaming destination in the United States, FanDuel consists of a portfolio of leading brands across gaming ...

Senior Backend Engineer — Java, Cloud, Remote‑First

A leading travel technology company is seeking a Senior Software Engineer with strong Java proficiency to join their team. This role offers a flexible remote-first working environment and the opportunity to work on innovative travel solutions. Ideal candidates will have experience in backend development and coll ...

Senior Backend Engineer Cloud Native Microservices (Java)

Software Engineer III - Back-end Engineer - Chase UK Location: LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 06/05/2025, 10:36 Locations 25 B ...

Senior Java Backend Engineer Cloud Native Microservices

A leading financial consulting firm is seeking a Senior Backend Engineer to design and build cloud-native applications with Java and Spring Boot. This role involves delivering high-impact solutions for Tier 1 financial institutions and managing CI/CD pipelines. The ideal candidate should have strong expertise in ...

Hybrid Backend Engineer II — Java, Microservices & Cloud

LLOYDS BANKING GROUP is hiring a Software Engineer II in Manchester, tasked with transforming the Core Banking Platform using modern technologies like GCP. You will collaborate across teams to design scalable software and mentor junior members. Ideal candidates have strong Java skills (minimum 2 years) ...

Backend Developer APIs, Cloud & CI/CD Expert

Crossing Hurdles is seeking a skilled software developer to develop and integrate RESTful APIs ensuring secure data exchange. You will model and maintain SQL databases, champion clean code practices, and collaborate in Agile teams. The ideal candidate possesses in-depth knowledge of algorithms and obje ...

Senior Backend Engineering Lead APIs, Cloud & Scale

Capital One is seeking a Senior Software Development Engineer in Nottingham, offering a hybrid working model. You will lead a backend team, driving innovation and best practices, and contribute to significant software components.The position requires technical leadership, strong programming skills (pre ...

Senior Backend Engineering Lead APIs, Cloud & Scale

Capital One is seeking a Senior Software Development Engineer in Nottingham, offering a hybrid working model. You will lead a backend team, driving innovation and best practices, and contribute to significant software components. The position requires technical leadership, strong programming skills (pr ...

Cloud Backend Engineer

Signaloid provides computing platforms for dramatically reducing the runtime and compute infrastructure requirements of many critical workloads in the finance, robotics, and manufacturing sectors. Organizations can run their applications over our computing platforms and in the process replace time-consuming M ...

Cloud Backend Engineer

Signaloid provides computing platforms for dramatically reducing the runtime and compute infrastructure requirements of many critical workloads in the finance, robotics, and manufacturing sectors. Organizations can run their applications over our computing platforms and in the process replace time-consuming M ...

Senior Software Engineer

Senior Software Engineer - Python | AWS | Flask Bristol (Hybrid) Up to £65,000 + 4 Day Working Week Method Resourcing are currently partnered with an innovative organisation operating within the renewable energy sector, looking to hire a Senior Software Engineer into their growi ...

Java/Cloud Engineer

You will be working for a leading industrial manufacturer on a Greenfield project!The company is entering an exciting stage of their life cycle as they are leaving behind traditional methods and will start to use cutting edge technologies such as digital dying and 3D printing. The role will be a ...

Java/Cloud Engineer

You will be working for a leading industrial manufacturer on a Greenfield project!The company is entering an exciting stage of their life cycle as they are leaving behind traditional methods and will start to use cutting edge technologies such as digital dying and 3D printing. The role will be a ...

PostgreSQL & Kubernetes Reliability Engineer (Multi Cloud)

A leading technology firm in Manchester seeks an experienced professional to modernize their RDS fleet and architect cross-cloud solutions. You will be responsible for ensuring system reliability, implementing robust monitoring, and designing business continuity strategies. Candidates should possess extensive ex ...

Senior Java Engineer Backend

Senior Backend Engineer – Mission As a Senior Backend Engineer, you will design, build, ship, and operate microservices that power our core products. Your focus will be on creating systems that are stable, secure, and scalable, while continuously improving quality and reliability across our backe ...

Software Engineer (Java Backend)

About ARQ ARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our p ...

Principal Backend Engineer (Java)

Principal Backend Engineer - Java Location: London (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team - and we're looking for experienced Principal Backend Engineers with strong Java skills and a passion for delivering innovati ...

Senior Backend Engineer Java

Power the platforms behind modern finance. Shape cloud‑native solutions with Java at their core. The Role We’re seeking a Senior Backend Engineer (Java) to join our Technology & Engineering team. You’ll bring expertise in building robust, scalable, cloud‑native applications using ...

Staff Backend Engineer (Java)

About ZepzZepz is the group powering two leading global remittance brands: WorldRemit and Sendwave. Since 2010, we have been disrupting an industry previously dominated by offline legacy players with our relentless focus on reducing the cost of remittances and increasing safety and ...

Staff Backend Engineer (Java)

About ZepzZepz is the group powering two leading global remittance brands: WorldRemit and Sendwave. Since 2010, we have been disrupting an industry previously dominated by offline legacy players with our relentless focus on reducing the cost of remittances and increasing safety and ...

Senior Java Backend Engineer — Pricing API & Cloud Systems

Salt Digital Recruitment is looking for a Senior Software Engineer to join their London office on a 6-month contract with a day rate of £400 - £500. The role requires strong experience with Java and cloud platforms, and focuses on designing scalable backend systems and maintaining cloud-native infrastructure. ...

Software Engineer (Shield) (60007)

Job Overview As a Backend Software Engineer working as part of our Shield team, you will be responsible for developing and maintaining backend systems and addressing customer issues in a time-sensitive manner. You will work closely with cross-functional teams to understand the customer needs and ...

Senior Backend Engineer

Senior Software Engineer - Node.js Confidential Client * Remote (UK) * Full-time About the Client This role sits with a well-established product engineering organisation headquartered in Northern Ireland, with a reputation built on delivering composable, cloud-native digital commerce platform ...

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    Backend Java Engineer Apis Postgresql Cloud Jobs in United Kingdom Job Search Guide, Trends and Insights