Jobs for java backend developer at London

Role: Java Backend Developer Location: London, UK Duration: Contract Job Description: Essential skills/knowledge/experience: 5–10 years of overall software development experience, with minimum 4+ years of hands on Java development Strong experience with Java 9+ Proven expertise in Spring Framework (Spring Boot, Spring MVC, Spring Core) Hands on...

**Role: Java Backend Developer** **Location: London, UK** **Duration: Contract** **Job Description:** **Essential skills/knowledge/experience:** - 5–10 years of overall software development experience, with minimum 4+ years of hands on Java development - Strong experience with Java 9+ - Proven expertise in Spring Framework (Spring Boot, Spring MVC,...

Requirements:Top Must-Haves: PythonPostgres SQLExperience with SDLC and design of new greenfield solutionsResponsibilities:Design sophisticated backend components, services, platforms, and Restful APIs for seamless communication with the front end.Continuously reviewing the services and components and seeking opportunities for improvements.Identifying and...

# 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 and high-performance APIs supporting modern...

Mandatory : Candidate needs to have good experience in Java, Microservices, Kafka, Spring boot, AWS/Azure and 30% of experience in React. Java Back-end developer with Azure/AWS skills for London location. Major Duties Liaise with fellow developers Designing and implementing microservices which use the spring boot framework. Working in compliance with the...

# 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 and high-performance APIs supporting modern...

Mandatory : Candidate needs to have good experience in Java, Microservices, Kafka, Spring boot, AWS/Azure and 30% of experience in React. Java Back-end developer with Azure/AWS skills for London location. Major Duties Liaise with fellow developers Designing and implementing microservices which use the spring boot framework. Working in compliance with the...

We are seeking a senior Java Backend Developer with expertise in complex projects with AWS infrastructure What difference will you make? You will help taking to the market a unique system to preserve information from biases What are we looking for? Qualifications Strong proficiency with application in Springboot Java 21 Previous experience in developing...

We are seeking a senior Java Backend Developer with expertise in complex projects with AWS infrastructure What difference will you make? You will help taking to the market a unique system to preserve information from biases What are we looking for? **Qualifications** - Strong proficiency with application in Springboot Java 21 -...

Primary Focus • Backend first Java engineering role • Full stack experience is beneficial, but backend capability is essential • Working within established patterns, frameworks, and standards Must Have Skills • Java 9+ with strong practical experience (core Java, collections, exceptions, concurrency basics) • Spring Boot / Spring Framework...

Who We AreGalaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we're building the products and services to make that future a reality.Our...

Core Job Responsibilities 3+ years of experience in exchange core system development Design indexing systems, RPC interaction layers, and event stream processing architecture Build real-time data pipelines (e.g., Kafka/RabbitMQ integration) High-Performance API Development Build REST/WebSocket/GraphQL interfaces Handle low-latency requirements in...

Core Job Responsibilities 3+ years of experience in exchange core system development Design indexing systems, RPC interaction layers, and event stream processing architecture Build real-time data pipelines (e.g., Kafka/RabbitMQ integration) High-Performance API Development Build REST/WebSocket/GraphQL interfaces Handle low-latency requirements in...

Who We Are:Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we’re building the products and services to make that future a...

A leading fintech company in Greater London is seeking a Senior Software Engineer I to join their Developer Enablement team. In this role, you will architect and build the Java-based infrastructure that enhances engineering productivity. You should have advanced skills in Java, cloud infrastructure like AWS or GCP, and a passion for developer tools. This...

A leading financial services provider in Greater London seeks a Java API Developer to join their Digital Asset development team. This role involves designing, developing, and testing RESTful APIs and backend services. Candidates should have hands-on experience with Java, API frameworks, and an understanding of secure API practices. The position offers a...

A leading financial services provider in Greater London seeks a Java API Developer to join their Digital Asset development team. This role involves designing, developing, and testing RESTful APIs and backend services. Candidates should have hands-on experience with Java, API frameworks, and an understanding of secure API practices. The position offers a...

Who We Are: Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we’re building the products and services to make that future a reality....

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 boilerplate — this role is for you.We're building thecore backend services of a Data Fabric platformthat governsdata access, entitlements, and query policy enforcementacross...

Backend Java Developer – Data Fabric / Platform EngineeringLocation: 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 boilerplate — this role is for you.We’re building the core backend services of a Data Fabric platform that...