Senior Mobile App Engineer

OSL
📍 Jakarta Metropolitan Area, Indonesia 💼 Full-time 🕒 Posted June 04, 2026

Job Description

Job Responsibilities

  • Responsible for the development, maintenance, and optimization of the OSL Indonesia Exchange mobile app.
  • Participate in the development of core mobile features, including user registration, login, KYC, account security, market data, K-line charts, order placement, trading, account assets, deposits, withdrawals, notifications, and user center.
  • Integrate with exchange backend APIs and handle business data related to accounts, orders, trades, balances, assets, wallets, and compliance workflows.
  • Develop and optimize real-time market data features, including WebSocket connections, order book display, price updates, and K-line chart interactions.
  • Work closely with product, UI/UX, backend, QA, DevOps, security, compliance, and headquarters engineering teams.
  • Improve app performance, startup speed, page response time, network stability, crash rate, and user experience.
  • Participate in app release...

Ready to Apply?

Submit your application today and join our talented team at OSL.

Submit Application

Job Details

  • Location Jakarta Metropolitan Area
  • Job Type Full-time
  • Category business-and-financial-operations
  • Posted Date June 04, 2026
  • Application Deadline July 14, 2026