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Java Backend Developer

Wipro — Bulgaria · Posted ~20 hours ago

Mid

Skills

Java 8/11+ Spring Boot REST APIs Microservices Java Collections Java Streams Multithreading Concurrency Spring Data JPA Hibernate SQL PostgreSQL Liquibase Git Maven or Gradle CI/CD JUnit 5 Mockito Docker Unix/Linux Troubleshooting Java REST Maven Gradle Jenkins Linux Splunk

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Summary ✨ AI‑Generated

Develop production-grade backend services using Java and a modern Spring ecosystem. You will work with microservices, REST APIs, databases, concurrency, automated testing, CI/CD, containers, and production troubleshooting while contributing to reliable and maintainable software.

Highlights

Build and maintain scalable backend services using modern Java and Spring technologies, with strong emphasis on clean code, performance, testing, automation, and production reliability.

Description

Required Skills: • Strong proficiency in Java (8+/11+), Spring Boot, REST APIs, Microservices • Strong hands-on with Collections, Streams, Multithreading, Concurrency • Strong coding & problem-solving skills with clean code practices • Experience with Spring Data JPA/Hibernate, transactions, and performance tuning • Knowledge of Spring Security (OAuth2/JWT) and Spring Actuator (preferred) • Experience with Git, Maven/Gradle, and CI/CD pipelines (Jenkins/Concourse) • Hands-on with JUnit5/Mockito, and understanding of code quality tools (e.g., SonarQube) • Strong SQL and database experience with PostgreSQL and migrations using Liquibase • Strong troubleshooting skills using Splunk and production support mindset • Working knowledge of Unix/Linux and containerization using Docker Key Responsibilities: • Develop and maintain backend services using Java 11+. • Utilize Collections, Streams, Threads, and Concurrency in Java. • Work with Azul JVM for optimized performance. • Implement and manage Spring-based applications. • Write and maintain unit tests using JUnit5, AssertJ, and Mockito. • Deploy and manage applications using Docker. • Work with PostgreSQL databases and manage schema changes using Liquibase. • Monitor and troubleshoot applications using Splunk. • Ensure high performance and reliability of distributed systems. • Utilize asynchronous communication techniques. • Apply solid Unix/Linux knowledge in daily tasks Working model : hybrid (2 days/w WFO)