Rati Nair

Senior Java Backend Engineer with 8 years of experience across retail, life sciences and BFSI/fintech. Strong hands-on expertise in Java, Spring Boot, Microservices, REST APIs, Apache Camel, Kafka, Spring Security, Hibernate/JPA, SQL/NoSQL, AWS and Azure Integration Services. Experienced in cloud-native development, enterprise integrations, production support, performance tuning, testing and CI/CD.

Assistant Manager - Software (Java Backend Lead) at Landmark Group (2023-09 – 2026-05)

• Designed and architected scalable Java Spring Boot microservices and REST APIs, improving system throughput by approximately 20% for enterprise applications.
• Built secure backend integrations using REST APIs, Kafka-based asynchronous processing and enterprise middleware patterns.
• Resolved critical production defects and optimized SQL queries and REST API performance, reducing API latency by approximately 25% while supporting code reviews and release quality.

Software Engineer at Persistent Systems (2022-01 – 2023-08)

• Developed cloud-native Java Spring Boot microservices, REST APIs and backend integrations for scalable enterprise applications.
• Implemented Kafka-based asynchronous processing, improving message throughput efficiency by approximately 40%, and used Spring Data JPA/Hibernate for persistence and query optimization.
• Automated and maintained unit/integration testing using JUnit 5 and Mockito, increasing test coverage by approximately 35% while supporting defect resolution and release validation.

Java Full Stack Developer at PointCross Life Sciences (2021-03 – 2022-01)

• Worked on non-clinical analysis across the drug life cycle and supported documentation and reporting based on clinical trial data.
• Worked with OData to create and consume queryable, interoperable RESTful APIs for application integrations.
• Contributed to backend/API development and application support within a life-sciences product environment.

Java Developer - American Express Client (BFSI / Banking / Fintech) at Atos (2019-03 – 2021-02)

• Developed secure, high-volume Java/Spring Boot backend services supporting 500K+ daily banking and payment transactions for the American Express client.
• Architected REST APIs, microservices and Kafka-based event-driven workflows, reducing end-to-end transaction processing time by approximately 18%.
• Worked with Spring Security, Hibernate, relational databases and SQL optimization to support secure and reliable backend applications.

Bachelor of Engineering in Computer Engineering – KK Wagh College of Engineering & Research, Nashik