Senior Software Engineer - AdOpt

Job Summary:

We are seeking a highly skilled Senior Backend Software Engineer with deep expertise in Java, Spring Framework, and AWS to design and implement robust microservices for our enterprise SaaS platform. You will take ownership of backend components, mentor junior engineers, and collaborate cross-functionally to deliver reliable, scalable, and secure services. Strong experience with Hibernate, PostgreSQL, and Oracle is expected.

Key Responsibilities:

• Lead the design and development of backend services using Java, Spring Boot, Spring MVC, Spring Security and Hibernate/JPA.
• Architect and scale microservices, ensuring performance, reliability, and security.
• Drive software engineering best practices across development, testing, CI/CD, and monitoring.
• Mentor junior engineers, conduct code reviews, and support technical decision-making.
• Collaborate with product managers, architects, and cross-functional teams to translate requirements into scalable software.
• Take end-to-end ownership of features and production support for critical systems.
• Continuously improve application performance, system design, and deployment pipelines.
• Contribute to sprint planning, roadmap reviews, and architecture sessions.

Requirements:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 8+ years of professional experience in backend software development.
• Advanced programming skills in Java.
• Strong expertise with Spring Boot, Spring MVC, Spring Security and Hibernate/JPA.
• Experience with unit / integration tests frameworks: JUnit / Mockito / Cucumber
• Good knowledge of Linux systems.
• Experience with PostgreSQL and Oracle. Knowledge of PL/SQL is preferred.
• Practical knowledge of containerization and orchestration (e.g., Docker, Kubernetes).
• Experience with CI/CD tools such as GitHub Actions, Jenkins, or Spinnaker.
• Familiarity with Agile development methodologies and tools (Jira, Confluence, Git).
• Strong problem-solving, debugging, and system analysis skills.

Preferred Qualifications:

• Experience working on large-scale enterprise SaaS platforms (required).
• Domain experience in the airline or travel technology industry (preferred).
• Exposure to GDS APIs like Amadeus, Travelport, or Sabre.