Springboot Kotlin and Java Developer

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