Java Developer

About the Role

Easylane is hiring Java Developers for a client location in Mumbai.

• Experience: 3 to 8 years
• Number of Openings: 8
• Job Location: Mumbai (Client)
• Work Mode: Strictly work from office (on-site)
• Technology: Java, Spring Boot, Spring WebFlux, PostgreSQL

Key Responsibilities

• Develop and maintain REST APIs using Spring WebFlux and Project Reactor
• Build non-blocking and reactive backend services using Mono, Flux, and flatMap
• Work with R2DBC and PostgreSQL for database operations
• Manage database schema changes using Flyway
• Implement transactions for multi-step database operations
• Integrate with external HTTP APIs while maintaining proper transaction boundaries
• Develop background jobs using Spring @Scheduled
• Implement polling mechanisms to track external API status and process final results
• Develop and maintain webhook integrations, including signature validation
• Ensure polling and webhook updates do not overwrite each other's state incorrectly
• Implement in-memory caching using Spring Cache and Caffeine
• Write unit and integration tests using JUnit, Mockito, Reactor Test, Testcontainers, and PostgreSQL
• Implement request validation, OAuth2 authentication, and proper error handling