Java Backend Developer (Travel / Reservation / Air API)

Java Backend Developer (Travel / Reservation / Air API)

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Role Overview

Java Backend Developer

high-performance backend systems

Key Responsibilities

• Design and develop

  RESTful APIs

  using

  Java (OpenJDK 17–21) and Spring Boot

• Build and maintain backend services for

  flight booking engines, PNR operations, and dynamic rule engines

• Integrate

  GDS systems

  (Amadeus / Sabre / Galileo) for flight search, pricing, booking, ticketing, and PNR retrieval
• Work with

  Air APIs, NDC, LCCs, consolidators

  , and other third-party travel suppliers
• Parse and process

  XML / JSON

  responses from supplier systems efficiently
• Design, optimize, and maintain schemas in

  MySQL 8.4 / Aurora MySQL

• Implement secure, scalable business logic following

  SOLID principles

• Coordinate with frontend (React) and QA teams for seamless end-to-end booking workflows
• Test and validate APIs using

  Postman

  and unit/integration testing
• Maintain API documentation, workflows, and data models
• Ensure secure file transfers using

  WinSCP (FTP/SFTP)

Must-Have Requirements

• Bachelor’s degree

  in Computer Science, Engineering, or equivalent

• 2+ years mandatory experience

  in

  Travel / Hospitality / Reservation Systems

• Strong hands-on experience with

  Java 17–21 (OpenJDK)

• Solid expertise in

  Spring Boot, Spring Security, Spring Data JPA

• Strong experience with

  MySQL 8.4 / Aurora MySQL

  (queries, indexing, optimization)
• Proven experience integrating

  GDS APIs

  (Amadeus, Sabre, Galileo – SOAP/REST)

Strong understanding of:

• PNR creation & retrieval
• Fare rules & pricing logic
• SSRs (Special Service Requests)
• Ticket issuance workflows
• Experience working with

  Postman

  ,

  Eclipse IDE / VS Code

• Strong understanding of

  REST architecture

  , error handling, pagination
• Candidate must be

  based in Ahmedabad

Nice to Have

• Experience with

  AWS RDS / Aurora

• Knowledge of

  Docker, CI/CD (Jenkins, GitHub Actions)

• Experience working in

  high-traffic, real-time booking systems

• Background in airline technology or major travel tech platforms (e.g., TBO)

Work & Process Details

• Work Mode:

  Hybrid

• Joining Time:

  Up to 30 days

Interview Process:

• 2 Technical Rounds
• 1 HR Round