Senior Frontend Engineer

OLX Indonesia • South Jakarta, Jakarta • Posted June 20, 2026

Position Overview

Job Description

  • Design, build, and maintain high-quality frontend applications with strong emphasis on performance, scalability, and reliability.
  • Lead architectural decisions and collaborate closely with cross-functional teams (Backend, Product, Design).
  • Drive optimization initiatives across Web Vitals (FP, LCP, CLS, INP) to ensure best-in-class user experience.
  • Debug, diagnose, and resolve complex issues using advanced dev tools (memory profiling, network analysis, Lighthouse, etc.).
  • Implement and maintain SSR/SSG frameworks to support SEO and content performance.
  • Oversee CI/CD pipelines and ensure smooth delivery across environments via GitLab.
  • Champion frontend best practices, code quality, and maintainability through reviews, testing, and documentation.
  • Provide technical leadership, mentorship, and guidance to junior and mid-level engineers.
  • Collaborate in building customer experience-dri...