new features . Troubleshoot and debug complex issues. Required Qualifications Professional Java software development experience. Strong understanding of object-oriented programming and design patterns . Hands-on experience with Spring and Hibernate frameworks. Solid experience with relational databases (MSSQL, Oracle). Proven experience with RESTful API design and development . Strong background in unit, regression, and integration testing (JUnit More ❯
Java Developer within the public sector Active Security Clearance (SC) Java (8/11/17+): Expert-level programming and deep understanding of the language and its core libraries Spring Boot: Expert in building RESTful APIs and microservices AWS: Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.) Kafka/Messaging Systems: Expertise in building event-driven More ❯
Employment Type: Contract
Rate: £600.0 - £640.0 per day + up to £640 pd (Inside IR35)
Java Developer within the public sector Active Security Clearance (SC) Java (8/11/17+): Expert-level programming and deep understanding of the language and its core libraries Spring Boot: Expert in building RESTful APIs and microservices AWS: Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.) Kafka/Messaging Systems: Expertise in building event-driven More ❯
contact for clients to address issues and optimize inefficiencies during distributed workload execution. Qualifications Multiple years of professional software development experience with Java. Solid experience with Java frameworks (e.g., Spring, Spring Boot, Quarkus). Experience designing, building, and maintaining large-scale, distributed systems. Experience with RESTful API design and implementation. Strong understanding of object-oriented programming and design More ❯
HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services: Build and maintain server-side logic, databases, and APIs using Spring and Java Experience of Cloud Native microservices architectures deployed on Kubernetes hosted on Red Hat OpenShift Experience of CI/CD pipelines using GitHub and ArgoCD Ensure application performance More ❯
business-critical products and services for some of the largest financial institutions globally. These products are typically full-stack, modern, event-driven platforms based on microservices, using Enterprise Java, Spring Boot, and JavaScript front ends, operating in 2 week sprints over 6 to 18 months roadmaps. You will be responsible for delivery timelines, code quality, team health, and delivery More ❯
with the potential to extend and will be a hybrid role based in London. Our client is looking for an experienced Java Engineer who is skilled in Java, Kafka, Spring and AWS. The ideal candidate will be willing to work with a range of technologies such as AWS, Docker and CloudFormation. You will also have a belief in a … with product managers delivering innovative led solutions, contributing to a culture of continuous improvement Requirements Minimum of 5 years’ experience as a Java Engineer with experience in Java, Kafka, Spring and AWS Excellent experience of writing clean code using Java 17+ with tools and frameworks like Spring, Spring Boot, Maven Experience with Microservices/microservice architecture Expert More ❯
for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and More ❯
features and systems that serve their needs Take responsibility for security and compliance , planning proactively for operational impact Key requirements: Essential Skills: Fluent in Java (17+) and frameworks like Spring Boot , Quarkus , or Micronaut Deep understanding of RESTful architecture and HTTP Strong knowledge of asynchronous programming techniques in Java Proficient in SQL , with experience in RDBMS like Postgres or More ❯
retrospective. Contribute to POC to support new opportunities. What are we looking for? 3+ years software development experience, including: JAVA 5/J2EE, ReactJS, Web Services, XML, SQL, Gradle, Spring, Hibernate, Castor, REST/JSON and Enterprise Messaging System. Using configuration management tools like Git, Tortoise SVN, Source Tree, Perforce, Plastic and ticket management tools like Azure DevOps, JIRA More ❯
methodologies. Thorough understanding of the software development lifecycle, from conception to deployment. Capable of conceptualizing and implementing software architectures spanning multiple technologies and platforms. Technology stack Python Flask Java Spring JavaScript BigQuery Redis ElasticSearch Airflow Google Cloud Platform Kubernetes Docker Voted "Best Places to Work," our culture is driven by self-starters, team players, and visionaries. Headquartered in Los More ❯
applications in Java, using a broad set of tools, techniques, and platforms, with a focus on proving it works and does the right thing. Experience writing Microservices written with Spring that work with, Kafka, Postgres, storage buckets, REST, etc. Good understanding of architecture and cloud native principles Good grasp of algorithms and data structures Practitioner of the test-driven More ❯
Deep understanding of system design, architecture, and modern backend best practices. A team-first mindset: you care deeply about people, outcomes, and culture. Your Technical Toolkit Java (21) and Spring Boot AWS and cloud-native architecture RDBMS/NoSQL databases Event-driven and microservices architectures Containers (e.g., Docker, Kubernetes) CI/CD pipelines and DevOps principles TDD/BDD More ❯
resolution. What are we looking for? 8+ years of software development experience with a strong focus on system integration. Proficiency in Java/J2EE, REST/JSON, XML, SQL, Spring, Hibernate, and messaging systems (e.g., JMS). Experience with integration platforms and middleware (e.g., MuleSoft, Apache Camel, Azure Integration Services, and AWS Integration Services). Experience with cloud platforms More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Run-Time Group Ltd
with the latest financial technologies and industry trends. Key Requirements: Based in the London Area 5+ years of experience in Java development (Java 8 or later). Experience with Spring Boot, Microservices architecture, and RESTful APIs. Strong understanding of multi-threading, concurrency, and performance optimization. Knowledge of SQL and database technologies (PostgreSQL, MySQL, or similar). Experience with messaging More ❯
months Location: London - JOB DETAILS Role Title: Senior Developer We are seeking a highly skilled and experienced Senior Developer with deep expertise in AWS BluAge modernization tools, Java Spring Boot, and Apache Kafka. The ideal candidate will play a key role in modernizing legacy applications, building scalable microservices, and implementing real time data pipelines. Must have technical skills: AWS More ❯
optimising complex SQL queries. Strong background in building and consuming RESTful APIs and microservices. Hands-on experience with Apache Kafka for streaming data and event-driven systems. Experience with Spring Boot and cloud platforms (e.g., AWS, Azure) is highly desirable. If you are a talented Java contractor with the required clearance and are comfortable working inside IR35 via an More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Eligo Recruitment
knowledge in iGaming to enhance solutions and ensure compliance with standards. Required Experience & Expertise Previous experience within the iGaming and Gambling Sector Expertise in backend development using Java and Spring Boot . Skilled in version control with Git Flow. Proficient in JPA and Hibernate for seamless database interactions. Strong command of SQL for efficient database management. Experience with Redis More ❯
for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. The team owns multiple Java Spring Boot services that execute, partition, and track quantitative risk graphs/trades in a distributed environment. XiP Compute Services are deployed onto OpenShift and Amazon EKS, with plans to More ❯
development and design patterns. Experience developing in Java and React in an agile environment with exposure to cloud technology. Banking and Finance experience is advantageous. Preferred additional qualifications: Redux, Spring Boot, RabbitMQ, MongoDB. More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Xpertise Recruitment Ltd
Driving Agile delivery and mentoring junior engineers Sharing insights and innovations across the wider tech community Tech You'll Work With: AWS (SDK, CDK, Lambda, Step Functions) Node.js Java (Spring Boot) Terraform/CloudFormation SQL, GraphQL Postgres, DynamoDB (nice to have) Kubernetes, GitHub Actions, Quarkus (nice to have) What You'll Bring: Proven experience building distributed systems and serverless More ❯
with people close to our products and solutions. Display your bias to ship and iterate alongside product management and design partners. Qualifications Expertise in writing and maintaining Java/Spring-based backend services. Experience in the full lifecycle of service management, from initial development to continuous operation. A deep understanding of the critical aspects of service scalability and high More ❯
