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Senior Java Backend Engineer – Cloud Native Microservices

A leading financial institution in London is seeking a Senior Java Developer for a 10-month onsite contract. The role involves designing, building, and maintaining Java-based backend systems, with a focus on cloud-native and microservices architectures. The ideal candidate has hands-on experience with Java, clou ...

Senior Java Engineer Flexible Hybrid Cloud & AI

A leading consultancy firm in Manchester is seeking a skilled Java Developer to join their Client Innovation Center. The ideal candidate will develop applications using Java and related frameworks while participating in DevOps practices. Preferred qualifications include a Bachelor's Degree and familiarity with f ...

Senior Java Engineer, Low Latency Payments Systems

A dynamic technology consulting firm based in the UK is on the lookout for an experienced Java Developer. The role requires expertise in Core Java and SpringBoot, focusing on developing high-throughput systems in the payments processing domain. Responsibilities include designing and optimizing backend systems, b ...

Senior Java Engineer Low Latency Trading Systems

Grid Dynamics Holdings is looking for Senior and Principal Java Developers with strong Java expertise and experience in low-latency systems. You will work on critical applications that demand high performance, scalability, and reliability within a motivated team. The role involves writing and tuning high-perform ...

Senior Java Engineer Onsite London (6mo Contract)

A leading technology company is looking for experienced Java developers to join their team in London. You'll be involved in all delivery areas, mentoring a team and driving innovation. The role requires expertise in Java and cloud-based technologies, with a focus on collaboration and continuous improvement. This ...

Senior AWS Java Engineer — Cloud, Lambda & DynamoDB

A recruitment firm in the UK is looking for a candidate with expertise in AWS services, programming skills in Kotlin/Java, and a strong understanding of security principles within AWS. Essential skills include fluency in NodeJS, TypeScript, and experience with SQL and NoSQL databases. This role offers the opport ...

Senior Java Engineer — GCP & Big Data (Hybrid)

VanRath is seeking an experienced Java Contractor to join their team in Belfast (Hybrid - 2 days per week onsite). The role involves developing and maintaining high-performance Java applications in a leading global FinTech organisation. Candidates should have strong experience in Java and Google Cloud Platform, ...

Senior Java Engineer Vehicle Telematics with AWS

Radius is looking for a Senior Java Developer to join their Vehicle Telematics team in Crewe. This role includes interpreting business requirements, developing solutions, and mentoring junior developers. Candidates should have 4+ years of core Java experience and familiarity with frameworks like Spring and Hiber ...

Senior Java Engineer Flexible Hybrid Cloud & AI

A global technology company in the UK is seeking a Software Developer to work within their Consulting Client Innovation Centers. The role involves designing, developing, and maintaining applications using Java and related frameworks. Candidates should have experience with API integration, CI/CD practices, and pr ...

Senior Backend Engineer – Java/Spring, Remote & AWS

OneDome is seeking a skilled Java Engineer to develop and maintain its rapidly scaling Java Spring-based platform. The ideal candidate has over 6 years of Java experience and proficiency in Spring Framework, AWS services, and DevOps skills. Candidates should be able to work independently and possess fluent commu ...

Senior Backend Engineer: Java, Spark & API Pipelines

A leading information analytics company seeks a Software Engineer III with expertise in backend development and Java. The role focuses on implementing Scala/Spark pipelines and collaborating closely with engineering teams to ensure reliable Big Data solutions. Candidates should have around 3 years of experience ...

Senior Java Engineer Spring Boot, Cloud & Microservices

ZOLOZ PTE. LTD. is seeking a skilled Java Developer in Greater London. The candidate will design, develop, and deploy high-performance Java applications using Spring Boot while engaging with stakeholders in fluent English. Ideal applicants should have over 3 years of experience with Core Java, familiar ...

Senior Java Engineer Hybrid Global Finance Tech

Citigroup Inc. in Belfast is seeking a Software Engineer (Java) to join the Global Fixed Income Trade Processing Team. You will engineer innovative solutions within a team, contributing to the future of global finance. The ideal candidate will have strong experience in developing large, complex softwar ...

Senior Java Engineer – Real‑Time Payments (Hybrid)

A leading payments consultancy in London is seeking a Principal Software Engineer to design scalable, high-availability systems. You will work with Java 17+, Spring WebFlux, and Kafka in a hybrid environment, contributing to real-time transaction solutions for major global banks. Ideal candidates have strong exp ...

Senior Java & Spring Boot Engineer AWS Microservices

JPMorgan Chase & Co. is looking for a Software Engineer III in Glasgow, United Kingdom. The ideal candidate will have formal training in Java and extensive experience with Spring Boot and Micro-Services. This full-time position offers competitive compensation. Candidates should be skilled in AWS and demonstrate ...

Senior Java Payments Engineer Hybrid, Scale & Reliability

Starling is looking for highly motivated engineers to join their Payment Schemes team. With a primary focus on Java, you will play a key role in building and maintaining systems for payment integrations to ensure stability and accuracy. Your work will help in delivering mission-critical services, worki ...

Senior Java Engineer – Spring, REST & Cloud Native

iManage is seeking a Senior Software Engineer specialized in Java to join their London team. The role involves building the foundation of the InsightPlus application using modern tools such as Spring and RESTful web services. This full-time position requires expertise in cloud-native technologies and a collabora ...

Senior Software Engineer (Java) in London iManage

Senior Software Engineer (Java) London, United Kingdom Posted 9 months ago Tech stack REST Cloud Manager Spring Framework Software Engineer Java Code Development Setting the foundation of the application. We u ...

Senior Java Engineer Flight Booking & Scalable Systems

Datalex is seeking a Senior Software Engineer in Manchester, United Kingdom. The role requires a minimum of 5 years of professional Java development experience, with a strong focus on complex flight booking structures and building highly available, scalable applications. This full-time position offers competitiv ...

Senior Java Backend Engineer (Hybrid) Microservices Expert

Lindar is seeking a Senior Java Backend Developer in St Albans, UK, to join our engineering team. This hybrid role focuses on developing and maintaining our gambling platform, offering an environment rich in technology and performance. The ideal candidate will have at least 5 years of practical experie ...

Senior Java Engineer: Microservices for Global Payments

Wise is seeking a Senior Product Engineer to join our dynamic team in London. You'll play a key role in designing and implementing highly available services while collaborating with cross-functional teams. Your expertise in Java, Spring Boot, Kafka, and PostgreSQL will help drive the development of innovative ...

Senior Java Engineer — Cloud & Real Time Platforms

Ocho People is partnering with a global technology organisation to hire a Contract Senior Java Engineer in Belfast. This role involves designing and maintaining scalable Java applications while working in a hybrid model with flexibility. The ideal candidate will have strong experience in Java developme ...

Senior Java Engineer Spring Boot, Cloud & Microservices

ZOLOZ PTE. LTD. is seeking a skilled Java Developer in Greater London. The candidate will design, develop, and deploy high-performance Java applications using Spring Boot while engaging with stakeholders in fluent English. Ideal applicants should have over 3 years of experience with Core Java, familiar ...

Senior Java Engineer Hybrid Global Finance Tech

Citigroup Inc. in Belfast is seeking a Software Engineer (Java) to join the Global Fixed Income Trade Processing Team. You will engineer innovative solutions within a team, contributing to the future of global finance. The ideal candidate will have strong experience in developing large, complex softwar ...

Senior Backend Engineer: Java, Spark & API Pipelines

A leading information analytics company seeks a Software Engineer III with expertise in backend development and Java. The role focuses on implementing Scala/Spark pipelines and collaborating closely with engineering teams to ensure reliable Big Data solutions. Candidates should have around 3 years of experience ...

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 Java Software Engineer — Scalable Microservices (Remote)

10x Banking is looking for a passionate Software Engineer to work on cutting-edge technologies and deliver scalable solutions. This role involves building components for interest calculations and mentoring junior developers. Ideal candidates have solid Java skills, experience with cloud-based microservices, and ...

Senior Java Engineer Build Secure Risk Platforms

London Stock Exchange Group is seeking a Senior Software Engineer to develop technology platforms in London, focusing on Java and agile methodologies. The position requires 3-6 years of software engineering experience, deep knowledge of Java, and strong communication skills. The role offers opportunities for per ...

Senior Java Backend Engineer – Spring Microservices, Hybrid

A leading financial institution in Manchester seeks a Senior Software Engineer to enhance backend systems. The role focuses on collaborative software development, including building and supporting microservices and RESTful APIs. Candidates should be proficient in Java and Spring, with experience in Agile methodo ...

Senior Java Engineer Collaborative, Test Driven, Equity

EC1 Partners is seeking a Senior Software Engineer to join their fintech team in Greater London. The role focuses on building high-performance platforms using Java within a collaborative team environment that embraces modern development practices such as TDD and continuous integration. Ideal candidates will have ...

Senior Backend Engineer: Java, Kafka & Microservices Leader

A global technology company is seeking a Senior Software Engineer II to join their team. This role involves leading the design and development of scalable services using Java and Spring Boot while maintaining a focus on microservices architecture. Candidates should have significant experience with distributed sy ...

Remote First Senior Backend Engineer — Java & Serverless

An innovative technology company based in Newcastle upon Tyne is seeking a Senior Backend Engineer to lead backend service development using Java and serverless solutions. The ideal candidate will have over 8 years of backend experience, with strong proficiency in AWS technologies and frontend capabilities. You ...

Senior Java Engineer Low Latency FICC eTrading

Bank of America is seeking a Senior Developer in Bromley, UK, to join the FICC Macro Rates Electronic Trading Technology team. The role involves developing and enhancing low-latency components for the global Rates eTrading platform. Candidates should have strong Java skills, experience in multi-threaded applicat ...

Senior Java Engineer — GCP & Big Data (Hybrid)

VanRath is seeking an experienced Java Contractor to join their team in Belfast (Hybrid - 2 days per week onsite). The role involves developing and maintaining high-performance Java applications in a leading global FinTech organisation. Candidates should have strong experience in Java and Google Cloud Platform, ...

Senior Software Engineer Wise Platform Verification Java

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is ...

Senior Core Java Engineer — Hybrid Backend (London)

TopTek Talent is seeking a Senior Backend Engineer to join a boutique investment firm in London. This role involves developing and enhancing a microservice-based codebase for risk and back-end operations. The ideal candidate has over 5 years of experience in Core Java, strong SQL skills, and familiarity with Clo ...

Senior Java Engineer Banking Tech, Hybrid & Growth

Tenth Revolution Group is seeking a Senior Java Developer with 4+ years of experience to join their team in Newcastle upon Tyne. This permanent role offers the chance to work on significant engineering projects in the Banking sector, focusing on designing and maintaining Java applications. The position provides ...

Senior Java Engineer (VP) Equity Derivatives Platform

Citi is seeking a Senior Software Engineer (VP Level) in Belfast to join the Equity Derivatives technology team. The role involves developing and supporting reference data systems critical for the Global Equity Derivatives business. Responsibilities include defining architecture, implementing scalable applicatio ...

Senior Software Engineer Java/Angular, Cloud & Mentorship

CGI is seeking a Senior Software Engineer in Wideopen, England, to design and develop scalable full stack applications in cloud environments. This hybrid role emphasizes collaboration within Agile teams, technical leadership, and the ability to mentor fellow engineers. Candidates must have proven experience in f ...

Senior Java Engineer Hybrid, APIs & Banking Architecture

Tenth Revolution Group is seeking a Senior Java Developer with over 4 years of experience to work on transformative projects in the Banking sector. The position offers a hybrid working model across Manchester, Newcastle, or Belfast. Responsibilities include designing Java applications, building APIs, and mentori ...

Senior Java Full Stack Engineer: Spring & Kubernetes

Neev is seeking an experienced developer in Glasgow, United Kingdom, with at least 7 years in Core Java and a strong background in functional programming. The ideal candidate should also have over 6 years of experience working with the Spring ecosystem, alongside Kubernetes and front-end technologies like Angula ...

Senior Software Engineer II Treasury + Liquidity (Java)

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, ...

Senior Java Engineer – Greenfield Platform, Hybrid London

11 roles available (mid to senior level) Pay rate: Outside IR35 – £600 to £800/day (depending on experience) Duration: Initial 6–9 months (programme running through to 2027) Working Arrangement: Hybrid – ~2 days/week in London A major Financial Se ...

Senior Java Backend Engineer Cloud, APIs & Scale

Arrows is seeking a Senior Java Developer to join their international engineering team. In this role, you'll develop and enhance backend services for a sophisticated Content Management System supporting global streaming platforms. You'll work on Java-based systems and contribute to architecture decisions, platfo ...

Senior Java Backend Engineer: Spring Boot & Microservices

Randstad Digital is seeking a Java Backend Engineer in Burgess Hill to join a dynamic team for a major global financial services client. This permanent role involves the full software development lifecycle and requires building scalable, high-performance applications. Candidates should have at least 5 years of p ...

Senior Java Backend Engineer – Platform & Ad Tech

Global is looking for a Java Developer in Greater London to join their DAX engineering team. In this role, you'll take ownership of features from inception to deployment, improving their ad server platform using modern Java micro-services, Kubernetes, and continuous integration tools. Candidates should have a st ...

Senior Java Engineer, SEO Platform – Scale & Impact

Wise, based in Greater London, is looking for a Senior Software Engineer to join the SEO Product team. The role involves designing and maintaining services using Java and Spring Boot, mentoring junior engineers, and collaborating with product managers. Candidates should have strong communication skills, experien ...

Senior Java Backend Engineer Greenfield Fintech (Hybrid)

Synchro is seeking a Senior/Java Backend Engineer for greenfield projects in London. This role involves designing and building scalable distributed systems, contributing to architectural direction, and ensuring high performance and reliability. Ideal candidates will have strong backend experience (Java/Kotlin), ...

Senior Java/Kotlin Engineer TDD, Mentoring & Impact

Limelight Health is looking for a Senior Java / Kotlin Engineer to work on-site in Greater London or Leeds. The role involves developing JVM applications, mentoring team members, and driving system improvements using Test Driven Development and Pair Programming. Candidates should have over 5 years of experience ...

Senior Java Engineer Low Latency Trading Platform

Bank of America is seeking a Software Engineer III in Bromley, focusing on Electronic Trading Technology. This role involves delivering key functional changes, collaborating with quantitative traders, and participating in the full development lifecycle. Candidates should have excellent communication skills and a ...

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