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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 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

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

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 ...

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 ...

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

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 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 deliver so ...

Contract Software Developer: Java, SQL & JS

Work Day Extend London, United Kingdom Posted 12 months ago Tech stack JSON Java SQL Git JavaScript General skills Java would also be good Javascript SQL J ...

Senior Java Developer with SQL Server

Nexus Jobs Limited is looking for an experienced Java Developer to join their client in Central London. The ideal candidate must possess at least 5 years of Java development experience and proficiency in SQL Server. Other important qualifications include a strong understanding of Data Structures and familiarity ...

Java/Spring Boot/SQL/Backend dev/developer for The Climate App!

We're on a mission to create a global movement of climate action. We make climate action easy, fun & social. We are a global network of highly skilled developers, activists and professionals all on a mission to help solve the greatest threat of humankind. We’re looking for someone who cares about p ...

Lead Backend Developer Python Java AWS

21 hours ago Be among the first 25 applicants This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Tech Recruiter - Software ...

Lead Backend Developer Python Java AWS

21 hours ago Be among the first 25 applicants This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Tech Recruiter - Software ...

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 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 ...

SQL Developer

SQL Developer Location: Near Uxbridge Salary: £50,000 - £60,000 depending on experience Working Arrangement: Office-based preferred. Hybrid working will be considered for the right candidate. Benefits 21 days holiday, increasing by ...

SQL Developer

SQL Developer – Insurance | 6-Month Contract | Up to £625/day Also permanent role available £50,000 - £60,000 We’re looking for an experienced SQL Developer to join an established team working on an existing Data Warehouse within the ins ...

SQL Developer

SC Cleared - SQL Developer/DBALocation: Hybrid - 3 days per week in StratfordRate: £400-£500/day - OUTSIDE IR35Duration: 3 months (initial)Start: ASAPSecurity Clearance: Active SC required (non‑negotiable)We're working with a leading consultancy on a critical publi ...

SQL Developer

SQL Developer Location: Near Uxbridge Salary: £50,000 - £60,000 depending on experience Working Arrangement: Office-based preferred. Hybrid working will be considered for the right candidate. Benefits 21 days holiday, increasing by 1 day per year of service up to a maximum of 26 days Free on-site parking Ongoi ...

SQL Developer

Currently seeking a SQL Developer for a global consultancy who are engaged on a large, complex Digital Transformation programme for a major Telecoms customer. The suitable candidate will partner with a range of internal and external stakeholders to resolve technical issues, update on progress and a ...

SQL Developer

Role Overview: We are seeking a SQL Developer to support a major client project, working within a smart work stack and structured consulting delivery model. The role focuses on designing performant SQL assets and data models, tuning high‑quality application queries, and collaborating closely with ...

SQL Developer

SQL Developer – Insurance | 6-Month Contract | Up to £625/day We’re looking for an experienced SQL Developer to join an established team working on an existing Data Warehouse within the insurance sector. This is a hands‑on contract role focused on accelerating the delivery of manage ...

SQL Developer

We're looking for an experienced MS SQL Developer to design, build, and optimise robust database solutions in a fast-paced, data-driven environment. You will play a key role in ensuring performance, reliability, and scalability across critical systems while collaborating with cross-functional teams. < ...

SQL Developer

SQL Developer – Insurance | 6-Month Contract | Up to £625/day Also permanent role available £50,000 - £60,000 We’re looking for an experienced SQL Developer to join an established team working on an existing Data Warehouse within the ins ...

SQL Developer

Location: Hybrid – 3 days per week in Stratford Duration: 3 months (initial) Start: ASAP Security Clearance: Active SC required (non‑negotiable) We’re working with a leading consultancy on a critical public sector programme, and are looking fo ...

Backend Java Developer (IT) in London Nexus Jobs Limited

Backend Java Developer (IT) London, UnitedKingdom Posted 9 months ago We are urgently looking to recruit a Java backend Developer with at least 5 years of experience. The ideal candidate must have strong experience in Data Structures and Algorithms. Additionally, experience with S ...

Front Office FX Developer (C#/Java, SQL, Trading)

Crédit Agricole CIB is looking for a Developer with experience in C# or Java to enhance its front-office systems in the financial services sector. The role involves collaborating with users such as traders and risk analysts, and responsibilities include developing systems for foreign exchange trading, managing v ...

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 ...

Backend Java Engineer

AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies.Our Contingent Workforce Solutions (CWS) is one of our serv ...

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 ...

Java Backend Developer AI Powered APIs (Remote)

YO IT Consulting is seeking a Java Developer - AI Expert for a part-time remote role. You will design, implement, and improve backend APIs while collaborating with AI research teams. Responsibilities include optimizing REST and GraphQL endpoints, ensuring API security, and participating in testing of AI-powered ...

Java Full Stack Developer | Frontend & Backend Engineer

Java Script Works, located in Greater London, is looking for a skilled Java Full Stack Developer. The ideal candidate should be proficient in Java for back-end development and experienced in front-end technologies like HTML, CSS, and JavaScript, alongside frameworks such as React or Angular. Responsibilities inc ...

Backend Java Developer – Data Fabric / Platform Engineering

Backend Java Developer – Data Fabric / Platform Engineering Location: London (Hybrid)Employment: PermanentSalary: £70,000 – £90,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerpla ...

Backend Java Developer Public Sector | Flexible Work

IBM is seeking a Backend Java Developer in the Greater London area to design and deliver high-quality applications using Java/JEE and modern web technologies. You will develop secure, reliable backend solutions, collaborate with technical teams, and contribute to DevOps practices. The role offers benefits such a ...

Backend Java/.NET Developer – Azure & Public Sector

Methods is seeking a Mid-Level Java / .NET Developer with a strong focus on Azure to contribute to public sector digital services. This role involves designing and maintaining applications while mentoring junior developers and collaborating within an agile team. The ideal candidate will have robust exp ...

Backend Java Developer – Data Fabric / Platform Engineering

Backend Java Developer – Data Fabric / Platform Engineering Location: London (Hybrid)Employment: PermanentSalary: £70,000 – £90,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerpla ...

Lead Java Backend Developer AWS, Kubernetes & DevOps

Universal Music Group is looking for a Lead Developer to join their Royalty and Copyright Product Team. The role involves designing and maintaining external-facing royalty portals using Java, while collaborating in an agile team environment. The ideal candidate should have strong commercial experience ...

Java Backend Lead

Eeze is a Malta-based, technology-driven company that has been developing world-leading online gaming platforms and solutions since 1999. Underpinned by a history that directly interconnects with the rise of online gambling, the company has been a key pioneer within the international market. Over the years ...

Backend Java Engineer

Software Engineer (Java) Are you passionate about building software solutions that engage millions of sports fans worldwide? Do you want to work in a collaborative environment, building cutting‑edge technology that powers web and native applications across the sports industry? If so, we w ...

Backend Java Engineer

AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future‑ready workplaces. We help organisations adapt, grow, and thrive in an ever‑evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one ...

Backend Java Engineer

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

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 ...

JAVA | SVILUPPATORE JAVA | SVILUPPATORE BACKEND

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 | SVILUPPATORE JAVA | SVILUPPATORE BACKEND

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 ...

Platform Backend Java Engineer (Hybrid, Fixed Term)

A tech consulting firm seeks a Backend Java Developer in Birmingham to build core backend services for a Data Fabric platform. Candidates should have strong experience with Java, Spring, and SQL transformations. This role involves working on data governance and performance-oriented backend solutions, ideally in ...

MS SQL Developer

I am currently working with a global bank who are actively seeking an MS SQL Developer on a contract basis. As an MS SQL Developer, you will design, build, and maintain database solutions that support business operations. You will focus on performance, data integrity, and scalability. You will work closely w ...

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    Backend Developer Java Sql Jobs in London Job Search Guide, Trends and Insights