Contributing to core business operations at Mekari Talenta, focusing on front-facing systems that generate main income for the company.

Became main contributors on first quarter to rewrite legacy PHP core form system and core file management system features, migrating from PHP to Golang microservice architecture for improved performance and maintainability.

Moved to time management team to work on core business systems. Developed and maintained overtime, time-off, and attendance (absensi) systems that are crucial to Mekari Talenta's front-facing operations.

Led cross-functional teams through complex government and financial integrations, contributing to company revenue and Indonesia's digital payment infrastructure.

Composition of teams managed: 4 backend engineers, 1 frontend engineer, 2 QA engineers, and 1 mobile engineer.

Led development of Indonesia's first biometric cash transfer system for government social programs. Created experimental biometric recognition engine and evaluated external AI vendors for integration.

Promoted to Squad Leader for "Biometric Phoneless Cash Transfer in Pesantren Environment." Streamlined architecture by reducing microservices count, improving delivery time under tight deadlines and resource constraints.

Integrated 5 government banks within 2-month deadline despite banks being unprepared. Created standardized API specifications to enable parallel development, resulting in on-time delivery with minimal issues.

Built high-stakes financial system processing billions of rupiah daily for government job training programs. Designed asynchronous bulk processing with bank and government entities, achieving zero financial losses.

Reverse-engineered and migrated legacy Node.js system to Golang with minimal documentation. Reestablished lost vendor partnerships and delivered user-facing feature now in daily production use.

Architected scalable integration system for multiple third-party services through webview. Ensured zero-downtime deployments to prevent bottlenecks on priority projects.

Developed fund recovery system that significantly contributed to company financial stability during challenging fiscal periods.

Contributed to launching new business line at major unicorn company. Gained deep experience in e-commerce scale, product engineering, and fast-paced startup dynamics.

Built from-scratch loyalty system that launched "Agen Bukalapak" - a new business line disrupting traditional FMCG distribution. Rapidly adapted to Ruby on Rails stack as junior engineer.

Developed user reward redemption platform focused on engagement and transaction growth. Enhanced user experience through systematic reward mechanics.

Designed complex gamification system with anti-fraud mechanisms. Project discontinued due to reorganization, but provided valuable experience in complex system design and project risk management.

Worked with Ruby on Rails, MySQL, MongoDB, and RabbitMQ with Dead Letter Queue architecture. Gained experience in CI/CD, safe database migrations, RFCs, and asynchronous message-based systems. Also served as Scrum Master.

Designed and developed travel connectivity platform in partnership with Passpod.com (PT. Yelooo Integra Datanet). Built scalable rental system for international travelers.