WORK HISTORY

A detailed look at my professional journey, focusing on engineering roles, key achievements, and technical contributions.

Technical Lead

Feb 2026 — Present

PT Minergo Visi Maxima (Minergo Systems) • Balikpapan

  • Promoted from Junior Full Stack Developer to Technical Lead in under three years, assuming end-to-end ownership of technical direction, architecture, and engineering delivery quality.
  • Lead a cross-functional development team delivering enterprise solutions for the mining technology ecosystem across frontend, backend, systems integration, and DevOps.
  • Design scalable and resilient applications and REST APIs that process thousands of daily transactions while supporting evolving product requirements.
  • Develop and enhance Fleet and Hauling Management Systems that use real-time tracking, IoT, telematics, and operational data to support fleet and hauling activity monitoring.
  • Align technical decisions with business needs and product roadmaps in collaboration with cross-functional stakeholders.

Lead Developer

Feb 2025 — Jan 2026

PT Minergo Visi Maxima (Minergo Systems) • Balikpapan

  • Automated CI/CD pipelines and reduced deployment-related errors by up to 30%, enabling faster and more reliable releases.
  • Improved codebase maintainability through code reviews, engineer mentoring, technical guidelines, and standardized best practices.
  • Reduced downtime through architectural improvements and lowered operational costs by adopting open-source alternatives such as Leaflet and Hoppscotch.
  • Integrated third-party services and legacy systems without disrupting existing systems or engineering workflows.

Full Stack Developer

Sep 2024 — Feb 2025

PT Minergo Visi Maxima (Minergo Systems) • Balikpapan

  • Built scalable web applications and secure RESTful APIs processing thousands of concurrent daily transactions.
  • Streamlined CI/CD pipelines through advanced automation, resulting in a 30% reduction in deployment-related errors.
  • Integrated complex third-party services and legacy systems without disrupting existing engineering workflows.

Junior Full Stack Developer

Aug 2023 — Sep 2024

PT Minergo Visi Maxima (Minergo Systems) • Balikpapan

  • Designed responsive user interfaces leading to measurable increases in user engagement and accessibility compliance.
  • Delivered RESTful APIs and automated critical business processes, enhancing organizational efficiency.
  • Contributed to platform stability improvements ensuring high customer satisfaction.

Full Stack Developer (Intern)

Feb 2023 — Jun 2023

PT Media Kreasi Abadi • Balikpapan

  • Developed frontend and backend features using React.js, Next.js, and PostgreSQL, with a focus on performance and data integrity.
  • Improved page load performance and SEO while collaborating with the product team to increase user engagement.

Cybersecurity Analyst (Intern)

Aug 2022 — Jan 2023

Ministry of Communication and Informatics • Jakarta

  • Conducted network security analysis and vulnerability assessments to identify potential threats.
  • Used SIEM tools for security monitoring, threat pattern identification, and faster incident response.
  • Contributed to the design of scalable and threat-resilient network architectures.

Backend Developer (Intern)

Apr 2022 — Jul 2022

PT Telkom Regional VI Kalimantan • Balikpapan

  • Developed PHP- and MySQL-based backend systems and administrative tools to support internal data management.
  • Optimized database queries and data processing pipelines to improve application efficiency and reliability.