Senior Backend Engineer | Java/Quarkus & C# Microservices

PT. Trimegah Sekuritas Indonesia, Tbk; Jakarta Selatan; On-site; IDR 334,800,000 - 669,600,000; Full time

Job summary

PT. Trimegah Sekuritas Indonesia, Tbk is seeking a skilled back-end engineer to design, develop, and maintain high-performance services using Java (Quarkus) and C# (.NET).

You will build RESTful APIs, collaborate on microservices, and work with Vue.js/React frontends, Docker, and Kubernetes to deliver reliable solutions in Jakarta.

The role emphasizes testing, code reviews, and cloud familiarity (AWS/Azure/GCP) while joining a collaborative, English‑speaking team.

Qualifications

• 4+ years of hands‑on software development experience in Java or C#.
• 2+ years RESTful API design/development.
• 1+ years building microservices.
• Proficient with SQL databases (PostgreSQL) and NoSQL (MongoDB/Redis).
• OOP and design patterns proficiency.
• Strong SQL debugging and writing complex queries.
• Kafka/Nats message queues familiarity; Protobuf/gRPC a plus.
• Git version control and collaboration in a team.
• Docker and Kubernetes experience; cloud basics (AWS/Azure/GCP) a plus.
• Frontend basics: HTML/CSS/JS; Vue.js or React familiarity.

Responsibilities

• Design, develop, and maintain backend services with Java Quarkus and C# .NET.
• Develop and manage RESTful APIs for internal/external use and API contracts.
• Participate in full SDLC from requirements to deployment and support.
• Contribute to architecture reviews for new services and features.
• Assist frontend integration using Vue.js and React.
• Monitor, troubleshoot, and optimize backend performance.
• Containerize services for Kubernetes and collaborate with DevOps.
• Write unit and integration tests to ensure code quality.

Skills

Java (Quarkus)

C# (.NET)

RESTful APIs

Microservices

SQL (PostgreSQL)

NoSQL (MongoDB/Redis)

Docker

Kubernetes

Git

Protobuf/gRPC

Kafka/Nats

Cloud (AWS/Azure/GCP)

Frontend basics (HTML/CSS/JS)

English

Tools

Vue.js

React

PostgreSQL

MongoDB

Redis

Git

Docker

Kubernetes

Quarkus

.NET

Job description

PT. Trimegah Sekuritas Indonesia, Tbk is seeking a skilled back-end engineer to design, develop, and maintain high-performance services using Java (Quarkus) and C# (.NET).

You will build RESTful APIs, collaborate on microservices, and work with Vue.js/React frontends, Docker, and Kubernetes to deliver reliable solutions in Jakarta.

The role emphasizes testing, code reviews, and cloud familiarity (AWS/Azure/GCP) while joining a collaborative, English‑speaking team.