> Markdown version of [/jobs/ext/3812257-core-java-developer](https://www.wearedevelopers.com/jobs/ext/3812257-core-java-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Core Java Developer

- **Company:** TOPSYSIT SOLUTIONS LLC TOPSYSIT
- **Location:** Alpharetta, GA, United States
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Code Review, Databases, Continuous Integration, Relational Databases, DevOps, Gradle, Apache Maven, Enterprise Messaging Systems, Object-Oriented Software Development, Scrum Methodology, RabbitMQ, Redis, Distributed Caching, Software Engineering, Multithreading, Enterprise Software Applications, Cloud Platform System, Concurrency, Spring-boot, Backend, Git, Kubernetes, Information Technology, Apache Kafka, Restful APIs, Data Pipelines, Sql Tuning, Docker, Microservices
- **Published:** October 18, 2026
- **Apply:** https://www.dice.com/job-detail/ef3fe830-94bd-4029-86df-ea0afb0368be

## About the Role

We are looking for a hands-on Senior Backend Java Developer with 8 to 10 years of professional experience to design, build, and scale robust backend applications and microservices. In this role, you will power our core financial platforms by developing secure, high-performance APIs and integrating complex data pipelines in a fast-paced enterprise environment., * Experience: 8-10 years of professional software development experience focusing on enterprise backend systems.

 * Core Skills: Strong proficiency in Core Java (Java 8+), multithreading, concurrency, and object-oriented design principles.
 * Frameworks: Extensive, hands-on experience building RESTful microservices using Spring Boot and the Spring ecosystem.
 * Databases & Messaging: Solid relational database skills (SQL performance tuning) alongside experience with event-driven messaging tools (e.g., Kafka, RabbitMQ).
 * DevOps & Tooling: Familiarity with Git, Maven/Gradle, CI/CD automated deployment pipelines, and containerized cloud environments (Docker/Kubernetes).
 * Methodologies: Proven track record working in Agile/Scrum delivery teams.
 * Education: Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field.

## Description

* Design, develop, and deploy scalable backend services and RESTful APIs using Java and Spring Boot.
 * Build, maintain, and optimize distributed microservices architecture.
 * Write clean, maintainable code, manage database interactions, and ensure high backend performance and reliability.
 * Integrate enterprise applications with messaging systems (such as Kafka) and distributed caching layers (such as Redis).
 * Collaborate closely with product managers, system architects, and QA teams within an Agile/Scrum framework.
 * Participate in thorough code reviews, enforce engineering best practices, and mentor junior developers.