Java Backend Developer

This position is with Cincom Systems, a subsidiary of PartnerOne, and will be on the HeadSpin payroll.

If you are a Java developer with a Data & Performance focus who likes to go beyond REST endpoints and DTOs, and you enjoy understanding how data really flows through a system, this role is for you.

Key Responsibilities:

Database & Data Access (Core Focus):
- 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

Java Backend Development:
- 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

What we are looking for:
- 4-5 years of experience
- Solid experience with Java and Spring Framework
- Hands-on experience with Hibernate and JPA
- Strong interest in SQL and relational databases
- Experience with PostgreSQL and/or SQL Server
- Willingness to dive into performance tuning and data-heavy problems