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Senior Backend Developer (Golang)

Backend Developer (Golang)
Onsite
Contract
Kuningan, South Jakarta

Job Description

Job Title: Senior Backend Developer (Golang)

Job Type: Project-Based Contract (3 – 6 Months) - Prefer ASAP Joiner

Work Location: Work From Office (WFO) – Kuningan, South Jakarta

Industry: Telecommunications

Position Overview

We are seeking a highly skilled Senior Backend Developer (Golang) for a high-impact, 3 to 6-month telecommunications project based in Kuningan, South Jakarta. In this role, you will design, scale, and maintain high-performance microservices and robust backend APIs, ensuring high reliability and scalability for critical telco operations.

Responsibilities

  • Architecture & Development: Design and implement scalable, high-performance microservices using Golang.
  • API Engineering: Develop and maintain reliable RESTful and gRPC APIs for seamless integration with web, mobile, and third-party telecom systems.
  • System Optimization: Optimize code and database queries for maximum system performance, scalability, and high-availability operations.
  • Data & Messaging: Work with relational (PostgreSQL, MySQL) and NoSQL databases; implement message queues (Kafka, Pulsar) for real-time asynchronous processing.
  • AI-Assisted Engineering: Leverage modern AI tools (e.g., GitHub Copilot, Claude) to accelerate development, improve code quality, and automate routine tasks.
  • Quality & Mentorship: Lead code reviews, drive architectural decisions, identify edge cases/technical debt, and facilitate pair programming sessions for continuous team learning.
  • Cross-Functional Collaboration: Partner closely with Frontend, DevOps, and Product management teams to drive deliverables from requirement to deployment.
  • Production Support: Investigate, diagnose, and resolve production issues rapidly with minimal downtime

    • Requirements

  • Experience: 5+ years of software engineering experience with a strong backend focus.
  • Communication Skills: Clear, structured communication skills with fluency in both Bahasa Indonesia and English (both written and verbal) for effective technical and cross-team discussions
  • Core Tech Stack: Proven, hands-on expertise in Golang for production-grade systems.
  • Database & Messaging: Solid experience with SQL/NoSQL databases and event streaming/message brokers (Kafka or Apache Pulsar).
  • Infrastructure & Cloud: Hands-on experience with containerization and orchestration platforms (Docker, Kubernetes) and cloud environments.
  • APIs: Strong proficiency in building and consuming RESTful and gRPC protocols.
  • Work Preference: Must be willing and able to work full-time on-site (WFO) at our Kuningan, South Jakarta office.
  • Soft Skills: Self-driven, highly autonomous, and able to deliver under tight timelines with minimal supervision in an enterprise setting.

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