Abinash Nayak

I’m a Java Backend Developer with 3.3 years of experience building scalable and high-performance backend applications using Java, Spring Boot, Microservices, and REST APIs. I enjoy building backend systems that are reliable, scalable, and easy to maintain.

Over the past few years, I’ve worked on marketplace seller solutions, property booking services, and third-party integrations across e-commerce and hospitality platforms. Solving performance challenges, designing clean APIs, and building services that can handle real-world traffic are the parts of backend engineering I enjoy the most.

At TapQwik, I developed and maintained scalable backend applications using Core Java (Java 8/17), Spring Boot, Hibernate, JPA, and Microservices for e-commerce and travel technology platforms. I designed and integrated RESTful APIs for product management, inventory, order processing, booking workflows, and third-party service integrations, and built event-driven systems using Apache Kafka.

I improved application performance by 35% through Redis caching, database indexing, query optimization, and efficient data access strategies. I also deployed applications on AWS EC2 with Amazon S3 integration using Docker, Jenkins, and CI/CD pipelines, while maintaining 80%+ unit test coverage with JUnit and Mockito and collaborating in Agile Scrum environments.