Who Am I

Rizky Wahyu Dewantoro

Fullstack Developer

I am a Full-Stack Web Developer with a strong focus on backend engineering. I have experience working on production systems involving system maintenance, feature development, third-party integrations, and performance optimization. I enjoy improving system reliability, handling complex backend workflows, and adapting to new technologies to meet evolving project needs. I am seeking opportunities where I can contribute to scalable, business-critical web applications.

What I Do

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Custom Web Application Development

Design and build scalable web applications from scratch using modern stacks, tailored to real business workflows.

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System Integration & Automation

Integrate third-party APIs (ERP, marketplace, payment, external services) and automate data synchronization across systems.

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Performance Optimization & Scalability

Optimize database queries, background jobs, queues, and server resources to handle large datasets and high-traffic workloads efficiently.

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Debugging & Production Issue Handling

Diagnose and resolve complex production issues, including queue failures, transaction locking, race conditions, and memory/time-out problems.