Jamalullail Baharun

Lead Engineer & Product Specialist

Product-focused Lead Engineer with 9+ years of experience delivering mobile and SaaS products in F&B, Fintech, and E-commerce.

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Core Competencies

Product Discovery
Android (Kotlin, Jetpack Compose)
Sprint Leadership
CI/CD & DevOps
REST APIs
Datadog Monitoring
Agile (Jira & Confluence)
Incident Management
Strategic Planning (RICE & MOSCOW)

Experience

Lead Engineer
TabSquare.AI
Aug 2023 - Dec 2025
  • Drastically reduced hardware acquisition costs by 87% (from USD 800 to USD 100) through strategic optimizing.
  • Architected the Multi-Printer System, slashing printing latency to under 5 seconds.
  • Achieved 99.999% reliability in order processing, reducing delay rates from 5% to 0.001%.
  • Mentored a team of Android engineers, driving technical excellence and roadmap execution.
🏆 Runner-Up Hackathon - TabSquare (2024)
Senior Android Developer
TabSquare.AI
Dec 2022 - Aug 2023

Working on TabSquare Console:

  • Led a team to fulfill company expectations and drive project success.
  • Facilitated cross-functional collaboration with PM, Design, and QA to implement optimal solutions.
  • Built cross-departmental communication channels to resolve blockers effectively.
  • Maximized product potential to meet and exceed user expectations.
🏆 Team Excellence Award - TabSquare (2023)
Android Developer
TabSquare.AI
Dec 2019 - Nov 2022

Working on Self Ordering Android Kiosk:

  • Developed comprehensive Foodcourt features to support complex ordering workflows.
  • Implemented eMenu features, enhancing the digital dining experience.
Android Developer
Giladiskon
Apr 2019 - Nov 2019
  • Revamped voucher discovery and redemption flows, increasing user engagement.
  • Optimized app performance via advanced caching strategies and UI rendering improvements.
Android Developer
Fundtastic
Apr 2018 - Mar 2019
  • Built end-to-end modules for user onboarding, investment portfolios, and financial planning.
  • Improved conversion funnels and overall application stability, reducing crash rates.
Android Developer
PT Treemas Solusi Utama
Sep 2016 - Mar 2018
  • Developed offline-first mobile solutions for critical field survey and debt collection operations.
  • Led requirement gathering sessions and provided comprehensive user training.

Selected Work

Smart Kiosk TabSquare

Self-ordering kiosk solution optimizing restaurant operations and customer experience.

View on Google Play →

TabSquare Printer Console

A specialized utility tool for comprehensive printer management and configuration in high-volume environments.

View on Google Play →

Fundtastic Client

A comprehensive investment application simplifying financial planning for retail investors.

View on Google Play →

Fundtastic Agent

Dedicated dashboard application empowering financial agents to manage client portfolios effectively.

View on Google Play →

Education & Awards

Universitas Diponegoro

S.Kom - Informatics Engineering (2012 - 2016) • GPA: 3.33