65,833+ Iot Backend Developer Java Jobs in UK — Top Companies Hiring June 2026

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IoT Backend Developer Java

Role: Backend Developer (Core Java)We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate clo ...

IoT Backend Developer Java

Role: Backend Developer (Core Java)We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate clo ...

Java Backend Developer

Location: London Job Type: Contract Industry: Engineering Job reference: BBBH437302_1778850078 Posted: about 5 hours ago Senior Backend Java Engineer (SC)Location: Fully Remote Contract: 6 Months IR35 Status: Inside IR35We are currently seeking a Senior Backend ...

Backend Java Developer

6-Month Initial Contract | £700–£900 per day Inside IR35 Senior Java Backend Engineer Hybrid | 2 Days per Month in London Our client is looking for experienced Senior Java Backend Engineers to join high-performing engineering squads working on modern, cloud-n ...

Backend Developer (Java)

Backend Software Engineer - Java at Capco Location: Glasgow (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strong Java skills and a passion for delivering innovative solutions in ...

Java backend Developer

Java Software Engineer Responsibilities Design, develop, and maintain scalable microservices using Java and Spring Boot. Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and Spark/Databricks. Develop robust data distribution and strea ...

Backend Developer (Java)

Backend Software Engineer - Java at Capco Location: Edinburgh (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strong Java skills and a passion for delivering innovative solutions in financial serv ...

Backend Java Developer

Backend Software Engineer -Java at Capco Location: Edinburgh (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strongJava skills and a passion for delivering innovative solutions in financial ...

Backend Java Developer

Overview This role focuses on building and maintaining backend microservices using modern Java (17+) and event-driven architectures powered by Kafka. The position involves working across distributed systems, REST APIs, CI/CD pipelines, and containerised cloud-native environments using tools like D ...

Backend Developer Java

Location: Edinburgh (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strong Java skills and a passion for delivering innovative solutions in financial services. If you enjoy solving complex problems, working ...

Backend Java Developer

Qualifications Experience with Java NIO components like Channels Buffers and Selectors is expected Expert knowledge of FIX protocol Market Connectivity and Low latency programming is a must Very strong in Java and Spring Boot based application development Experience with m ...

Java Backend Developer

Responsibilities Design, develop, and maintain scalable microservices using Java and Spring Boot. Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and Spark/Databricks. Develop robust data distribution and streaming solutions for high-throughput systems. ...

Java Backend developer

We are looking for an experienced Backend Developer with strong Java skills to build and maintain scalable, high-performance backend services and APIs for a large microservices-based trading platform. Key Responsibilities Develop and maintain backend services and API ...

Java Backend Developer

# Java Backend Developer,November 30, 2025### Job Description**On behalf of our client, we are seeking a Java Backend Developer – London, UK (Full-Time Permanent Role).**Our client, a fast-growing technology organisation, is looking for a skilled Java Backend Developer to build secure, scalable backend services ...

Backend Java Developer

BACK-END JAVA ENGINEER Location: Hybrid - Brighton, Burgess Hill (3 days/week)** MUST HAVE FULL RIGHT TO WORK IN THE UK - SPONSORSHIP IS NOT PROVIDED **OverviewThis role focuses on building and maintaining backend microservices using modern Java (17+) and event‑driven architecture ...

Java Backend Developer (Banking)

About the Role We are hiring a Java Backend Developer to join a leading banking client in the UK. The role involves building and modernizing scalable backend systems, working on microservices architecture, and contributing to high-performance, secure financial applications. <h3 ...

Senior Java Backend Developer

MrQ is an award‑winning online casino launched in 2018. We’re big on tech, performance, and creating a best‑in‑class player experience. Our growth has been rapid, and we’re building a platform that can scale globally—this requires engineers who can operate at both depth and system‑wide impact. Sen ...

Backend Java Developer Contract

Join a remote-first team as a contract Backend Developer, where you'll take ownership of key technical decisions, collaborate with cross-functional teams, and contribute to an exciting project in the independent music space. Enjoy flexibility, growth opportunities, and a supportive culture. What’s I ...

Senior Java Backend Developer

Mr Who? MrQ - we're an award-winning online casino launched in 2018. We’re big on tech, performance, and creating a best-in-class player experience. Our growth has been rapid, and we’re building a platform that can scale globally—this requires engineers who can operate at both depth and system-wi ...

Senior Java Backend Developer

MrQ - we're an award-winning online casino launched in 2018. We’re big on tech, performance, and creating a best-in‑class player experience. Our growth has been rapid, and we’re building a platform that can scale globally—this requires engineers who can operate at both depth and system‑wide impact. <p ...

Senior Backend Developer (Java)

Location: Edinburgh (Hybrid) | Practice Area : Technology & Engineering | Type: Permanent 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 ...

Backend Developer (Java, SQL)

Role: Backend Developer (Core Java)We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate clo ...

Java Backend Developer (Banking)

Job Description: We are looking for an experienced Java Developer to join our team and work on high-performance enterprise applications. The ideal candidate should have strong expertise in Java development, Spring Boot, Microservices, and Linux environments. Prior experience in Banking / Fin ...

Java Backend Developer (Banking)

About the Role:* We are hiring a Java Backend Developer to join a leading banking client in the UK. The role involves building and modernizing scalable backend systems, working on microservices architecture, and contributing to high-performance, secure financial applications.Key Responsibilities:* De ...

Java Backend Developer (Banking)

Job Description: We are looking for an experienced Java Developer to join our team and work on high-performance enterprise applications. The ideal candidate should have strong expertise in Java development, Spring Boot, Microservices, and Linux environments. Prior experience in B ...

Java Backend Developer (Banking)

Overview We are hiring a Java Backend Developer to join a leading banking client in the UK. The role involves building and modernizing scalable backend systems, working on microservices architecture, and contributing to high-performance, secure financial applications. Key Responsibilities ...

Lead Java Backend Developer

City of Bristol, United Kingdom | Posted on 01/12/2025 We provide end-to-end IT solutions and services including Applications services, Data & Analytics services, AI/ML Technologies and Professional services in the UK and EU market. Job Description Mandatory Skills (Hands-on Exper ...

Java Backend Developer (Banking)

Job Description: We are looking for an experienced Java Developer to join our team and work on high-performance enterprise applications. The ideal candidate should have strong expertise in Java development, Spring Boot, Microservices, and Linux environments. Prior experience in Banking / Fin ...

Java Backend Developer (Banking)

Job Description: We are looking for an experienced Java Developer to join our team and work on high-performance enterprise applications. The ideal candidate should have strong expertise in Java development, Spring Boot, Microservices, and Linux environments. Prior experience in B ...

Backend Developer (Java, SQL)

Role: Backend Developer (Core Java)We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate clo ...

Backend Java Developer Public Sector

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Backend Java Developer Public Sector

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Backend Java Developer Public Sector

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Backend Java Developer Public Sector

Benefits Tools and policies to support your work‑life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme More traditional benefits, such as 25 days holiday (in addition to public holiday ...

Backend Java Developer Public Sector

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and ...

Java Backend Developer Banking Microservices

Ascendion is seeking a Java Backend Developer to work with a banking client in Chester, UK. The role involves designing and developing scalable backend systems using Java and Spring Boot, enhancing microservices-based applications, and contributing to secure financial applications. Required skills include strong ...

Backend Java Developer Public Sector

Benefits Tools and policies to support your work‑life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme More traditional benefits, such as 25 days holiday (in addition to public holiday ...

Backend Java Developer Public Sector

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and ...

Backend Java Developer Public Sector

Introduction At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and ...

Backend Java Developer Public Sector

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and ...

Senior Backend Developer ( Go/Java)

Senior Backend Engineer (Go / Java) - Exciting NEW Exclusive OchoX FDI - Remote first company Salary circa £100k+ bonus + benefits Please note candidates should reside in Northern Ireland to be eligible to apply. About the Company: ...

Senior Backend Developer ( Go/Java)

Senior Backend Engineer (Go / Java)Is your CV ready If so, and you are confident this is the role for you, make sure to apply asap.- Exciting NEW Exclusive OchoX FDI- Remote first company Salary circa £100k+ bonus + benefits Please note candidates should reside in Northern Ireland to be eligible to a ...

Node JS / Typescript Backend Developer IOT Systems

Essential 5+ years of professional backend development experience Strong Node.js + TypeScript skills — this is your primary tool Solid experience with WebSockets / socket.io Good grasp of REST API design: auth, error handling, versioning Comfortable with Re ...

Java Backend Developer: Microservices & Spring Boot

United Cerebral Palsy of Georgia is seeking a Java Backend Developer with Microservices experience to join their team in Burgess Hill, UK. This hybrid role requires you to work 3 days a week in the office. The ideal candidate will have strong knowledge of Java (8+), Microservices, Spring Boot, Kafka, as well ...

Junior Java Developer: Mentored Backend Growth

Junior Java Developer Location: Newcastle (5 days a week or willingness to relocate) Nology is excited to partner with a leading organisation that values learning, collaboration, and innovation. This is a fantastic opportunity for a motivated developer to kickstart or ...

Backend Developer (Kotlin/Java), UK – CIMAR

Company Overview CIMAR UK Ltd, now a part of DeepHealth, is a leading provider in the SaaS (Software-as-a-Service) healthcare sector, specialising in advanced cloud-based image management solutions. Our technology empowers healthcare organisations to optimise image management processes, enhance pa ...

Impactful Backend Java Developer | Public Sector

IBM in Hursley is looking for a Backend Java Developer to design and deliver high-quality applications using Java/JEE and modern web technologies. You'll work on integrating systems, applying best engineering practices, and collaborating with various teams to produce secure and reliable backend solutions. Ideal ...

Remote Backend Java Developer — Ownership & Growth

Join a remote-first team as a contract Backend Developer, where you'll take ownership of key technical decisions, collaborate with cross-functional teams, and contribute to an exciting project in the independent music space. Enjoy flexibility, growth opportunities, and a supportive culture. What’s I ...

Backend Java/Kotlin Developer — Microservices & Agile

TESTQ Technologies Limited in Sheffield is looking for a skilled backend developer to collaborate with a cross-functional team. The role includes designing and implementing backend features, building APIs and microservices, and working in an agile CICD environment. Candidates should have experience in Java, be w ...

Hybrid Junior Java Backend Developer Newcastle

On the lookout for the followingJava developerExpereince - Junior12 Months FTC£33,000 a yearHybrid onsite in NewcastleIf interested please get in touch with your cv I'm looking for a Lead Backend Software Engineer to shape backend architecture, drive engineering excellence, an ...

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    Iot Backend Developer Java Jobs in United Kingdom Job Search Guide, Trends and Insights