Java Backend Developer

HeadSpin

Java Backend Developer working with PostgreSQL and backend services in a remote setting. Seeking a curious developer interested in complex systems and performance optimization.

Posted 4/17/2026full-timeRemote • 🇮🇳 IndiaMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

HibernateJavaOraclePostgresSpringSQL

About the role

Key responsibilities & impact

Work directly with PostgreSQL and/or SQL Server (Oracle experience also welcome)
Design, analyze, and improve database schemas used by long lived applications
Write and optimize SQL queries for performance and scalability
Understand execution plans, indexes, locking, and transactions
Investigate and solve real production performance issues
Learn how large datasets behave under load and how to make them faster
Develop backend services in Java using the Spring ecosystem
Use Hibernate / JPA with an understanding of their strengths and pitfalls
Decide when ORM is helpful and when SQL is the better tool
Work on a stable but evolving codebase where improvements are welcome
Contribute to design discussions with a strong data - centric perspective.

Requirements

What you’ll need

4-5 years of experience
Strong Java backend developer
Good knowledge of the Spring Framework
Hands - on experience with Hibernate and JPA
Strong interest in SQL and relational databases
Experience with PostgreSQL and/or SQL Server (Oracle is a plus)
Willingness to dive into performance tuning and data - heavy problems.
Enjoy working close to the database, not just through abstractions
Like understanding existing systems instead of rewriting everything
Care about performance, correctness, and data modeling
Comfortable working remotely with international colleagues
Enjoy technical challenges that require thinking, not just implementing tickets.

Benefits

Comp & perks

Disclaimer: HeadSpin does not charge any fees at any stage of the recruitment or selection process
We will never ask candidates to pay money or share financial information in exchange for a job offer. If you receive any communication requesting payment on behalf of HeadSpin, please treat it as fraudulent and report it immediately to hr@headspin.io

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Hard Skills & Tools

PostgreSQLSQL ServerOracleSQLJavaSpring FrameworkHibernateJPAperformance tuningdata modeling

Soft Skills

problem solvingcollaborationcommunicationadaptabilitycritical thinkingattention to detailwillingness to learntechnical challenge enjoymentdata-centric perspectiveremote work