Java Developer

InOpTra Digital; Bengaluru; On-site; INR 800,000 - 1,200,000; Full time

Job summary

A technology firm in Bengaluru is seeking an experienced Backend Engineer with 4-7 years of experience in Java-based systems. The role focuses on developing reliable backend services using Java and Spring Boot. The ideal candidate will possess strong database fundamentals and hands-on experience with testing frameworks. Opportunities to work with cloud environments and modernize legacy systems are also available. Strong collaboration and communication skills are essential for this role.

Qualifications

• 4–7 years of backend engineering experience with Java-based systems.
• Strong understanding of backend engineering fundamentals.
• Experience with testing frameworks such as JUnit and Mockito.

Responsibilities

• Develop robust backend services using Java and Spring Boot.
• Ensure service reliability and handle production-grade design considerations.
• Investigate and resolve production issues.

Skills

Java

Spring Boot

Microservices

MongoDB

Database Design

Git

Testing Frameworks

Job description

Overview

4–7 years of backend engineering experience, with strong hands-on delivery in Java-based systems.

Responsibilities

• Solid experience with Java, Spring Boot, and microservice-style backend development.
• Demonstrated ownership of at least one meaningful backend service or feature area in production.
• Strong understanding of backend engineering fundamentals, including service reliability, data consistency, failure handling, and production-grade design considerations.
• Strong database fundamentals, including schema design, query writing, indexing, and performance reasoning.
• Strong depth in MongoDB or a relational database such as Oracle, with working comfort across both styles being a plus.
• Ability to investigate and resolve real production issues across services and databases, including consistency, performance, and reliability problems.
• Hands-on experience with testing frameworks such as JUnit and Mockito.
• Proficiency with Git, including branching, code review workflows, and conflict resolution.
• Strong communication skills and the ability to collaborate effectively with engineers, stakeholders, and customers.

Preferred Qualifications

• Experience working on legacy modernization, data/service migrations, or decomposition of existing systems into cleaner service boundaries.
• Exposure to both MongoDB and relational databases, including query tuning, indexing, and production troubleshooting.
• Familiarity with Oracle PL/SQL or migration of logic from database-heavy systems into service-layer Java code.
• Exposure to CI/CD deployment and cloud environments like AWS, Azure, or GCP.