# Java Back-end Developer (APAC)

> Legacy People · Sri Lanka (Remote) · — · Posted 2026-06-04

**Workplace:** remote

## Description

A Java Back-end Developer focuses on building robust, secure, and highly-available server-side systems and APIs that power products, working closely with front-end engineers and architects to ensure performance benchmarks are consistently met.  

**What We Expect From You:  
**

-   Design and implement microservices and distributed systems using Java and the Spring ecosystem, following established architectural patterns.
-   Develop secure, high-performance RESTful APIs that are consumed reliably by both web and mobile client applications.
-   Model, optimise, and manage relational and NoSQL databases to support scalable, data-intensive workloads.
-   Implement authentication and authorisation mechanisms using OAuth2, JWT, and Spring Security best practices.
-   Identify and resolve performance bottlenecks through profiling, load testing, and targeted refactoring of critical code paths.
-   Integrate third-party services, payment gateways, and external APIs in a maintainable and testable way.
-   Write comprehensive unit and integration tests to maintain high coverage and prevent regressions across services.

## Requirements

-   3+ years of professional Java back-end development with deep knowledge of the JVM and core Java libraries.
-   Strong hands-on experience with Spring Boot, Spring Cloud, and ORM frameworks such as Hibernate or JPA.
-   Solid understanding of microservices architecture, including service discovery, load balancing, and inter-service communication.
-   Experience with relational databases (PostgreSQL, MySQL) and caching solutions like Redis.
-   Practical knowledge of message brokers such as Kafka or RabbitMQ for building event-driven services.
-   Comfortable with Docker, Kubernetes, and setting up or maintaining CI/CD pipelines in cloud environments.
-   Proficiency in English.

## Apply

[Apply at Legacy People](https://apply.workable.com/legacypeople/j/0BC7E9C6A2/apply)

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