Springboot Kotlin and Java Developer

3 - 8 years

18 - 20 Lacs

Posted:11 hours ago| Platform: Naukri logo

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Job Description

Job Title: Spring Boot, Kotlin and Java Developer

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About Us

Travel Tech Startup

Were looking for a highly skilled Spring Boot Kotlin & Java Developer with 5+ years of professional experience in designing, developing, and maintaining scalable backend systems. The role involves building micro services, integrating with global travel suppliers (Hotels & Flights), and supporting mission-critical booking and reservation workflows within a Travel Tech platform.

What Youll Do

  • Develop and maintain backend services using Spring Boot, Java, and Kotlin.
  • Build robust RESTful APIs, microservices, and event-driven modules.
  • End-to-end integration with Travel Tech suppliers, including:
    • Hotel APIs (Amadeus, Expedia, Hotelbeds, Ratehawk, TBO, etc.)
    • Flight APIs (GDS, NDC, Amadeus, Sabre, Duffel, etc.)
  • Implement booking flows:
    • Hotel availability pricing room selection reservation cancellation
    • Flight search fare rules booking ticketing reissue/cancel
  • Parse and process supplier responses including:
    • Room-level policies, taxes, cancellation rules
    • Flight PNR, SSR, Fares, Ancillaries
  • Handle complex travel data formats: JSON, XML, SOAP.
  • Work with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB).
  • Implement authentication/authorization using Spring Security, OAuth2, JWT.
  • Optimize system performance, caching (Redis), and throughput for high-traffic searches.
  • Collaborate with product, QA, and DevOps teams for deployments (Docker, Kubernetes, AWS/GCP).
  • Participate in code reviews, refactoring, and ensure clean, maintainable code

    .

What Were Looking For

  • 5+ years of hands-on experience with Java/Kotlin development.
  • Strong expertise with Spring Boot and microservices design.
  • Experience integrating with hotel and/or flight suppliers via REST or SOAP.
  • Strong understanding of travel domain components:
    • Hotels: categories, taxes, cancellation policies, room mappings
    • Flights: GDS flows, fare rules, availability, ticketing
  • Solid foundation in OOP, design patterns, and common architectural principles.
  • Experience with SQL/NoSQL databases and query optimization.
  • Familiar with CI/CD pipelines, Git, Docker, and cloud deployments.

Bonus Points For

  • Experience in the

    travel, hospitality, or booking domain

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