Senior Platform Engineer - Backend, API & Cloud Native

Traveloka; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

Traveloka in Singapore is seeking a Senior Developer Platform Engineer to serve as the expert technical authority on backend framework, libraries, and middleware. As an independent contributor, you’ll shape platform design and drive end-to-end implementation with minimal supervision.

You will collaborate with product engineering and leadership to raise quality, performance, and extensibility of services, while evangelizing best practices, documenting golden paths, and mentoring junior engineers.

Qualifications

• More than 8 years of software engineering experience focusing on backend and platform tooling.
• Expert in Java, Spring Boot, and the Spring Cloud ecosystem.
• Deep understanding of API management, service mesh, and database proxy.
• Strong grasp of CI/CD pipelines and API design standards.
• Experience applying AI-assisted tooling to coding platforms and engineering workflows.
• Ability to mentor junior engineers through design reviews and code reviews.
• Excellent written and verbal communication in English; able to defend technical trade-offs with data.

Responsibilities

• Build and maintain reusable Java/Spring Boot starter kits, internal SDKs, and common utility libraries used across all product microservices.
• Design and integrate enterprise middleware to abstract infrastructure and platform complexity from applications.
• Optimize Spring Boot runtime performance inside containerized environments.
• Implement standardized logging, tracing, and metrics across all product services.
• Evangelize platform best practices, write clear documentation, and provide golden paths to product teams.
• Identify bottlenecks in system integration & deployment and lead cross-functional programs to fix them.
• Communicate technical trade-offs and risk clearly to stakeholders to support fast decisions.

Skills

Java

Spring Boot

Spring Cloud

API management

Service mesh

Database proxy

CI/CD

API design

AI-assisted tooling

Mentoring

Communication

Independent work

Tools

Kubernetes

Istio

Cloud-native services

Job description

Traveloka in Singapore is seeking a Senior Developer Platform Engineer to serve as the expert technical authority on backend framework, libraries, and middleware. As an independent contributor, you’ll shape platform design and drive end-to-end implementation with minimal supervision.

You will collaborate with product engineering and leadership to raise quality, performance, and extensibility of services, while evangelizing best practices, documenting golden paths, and mentoring junior engineers.