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Insight Global

Sr Java Backend Developer

Hybrid

London, United kingdom

Freelance

19-01-2026

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Skills

Communication Java TypeScript Jira Apache Kafka CI/CD Scrum Architecture apache git angular Agile Microservice Junit Spring Spring Boot Kafka Microservices gRPC

Job Specifications

Insight Global is seeking a Snr Java Backend Developer to support one of our financial clients in a Contract position. As a Senior Back-End Developer you will be instrumental in designing, developing and maintaining the back-end of complex microservices architecture. Your expertise in Java Microservice development will play a pivotal role in ensuring the scalability, performance and robustness of the next generation loans processing application.

Job Responsibilities:

• Collaborate closely with cross-functional team, including product owner, business analysts, scrum masters, front-end and back-end developers

• Design, develop and implement microservices using Java Spring Boot, ensuring code is modular, testable and re-usable

• Design, develop and implement responsive and intuitive user interfaces using Angular and TypeScript/Java ensuring an exceptional user experience

• Ensure seamless integration and communication between front-end and back-end components

• Create RESTFul APIs (gRPC) to enable smooth communication between microservices and external systems

• Conduct regular code reviews, unit testing, CI and maintain high code quality and reliability

• Develop and present high-level design proposals, renderings, and presentations to stakeholders.

• Provide input & decisioning, manage & reduce blockers, & ensure continuous flow or work, helping pod owners refine & reprioritize pod backlogs.

• Foster a culture of collaboration, actively participating in team brainstorming sessions and sharing knowledge across pods.

• Support team members in navigating challenges, resolving conflicts, and ensuring alignment with the project’s overall vision.

Qualifications:

• Strong expertise in Core/Advanced Java and J2EE

• Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, Spring Data, or similar frameworks

• Knowledge of JIRA, Junit, and Apache Kafka are preferred

• In-depth knowledge of REST API principles, HTTP protocol

• Solid grasp of Git, CI/CD, Agile principles

About the Company

Insight Global is an international professional services and staffing company specializing in delivering talent and technical solutions to Fortune 1000 companies across the IT, Non-IT, Healthcare, and Engineering industries. Fueled by staffing and talent experts, Evergreen, our professional services brand, brings technical advisors and culture consultants to help customers tackle their biggest challenges. With over 70 locations across North America, Europe, and Asia, and global staffing capabilities in 50+ countries, our tea... Know more