MY ENGINEERING JOURNEY

Where I’ve worked.

From first production code to shared platforms and distributed systems — a continuing journey of building, learning, and delivering value.

Jun 2026 - PresentCurrent

Bukalapak

Jakarta, Indonesia

Joined the Gaming Division at Bukalapak — one of Indonesia's largest technology companies — as a Software Engineer on itemku, a C2C marketplace for gaming items, virtual goods, and game accounts.
Engineered and scaled mission-critical backend services for itemku's Order and Pricing domains, supporting reliable marketplace operations across international markets and processing more than 1.5 billion transactions daily.
Delivered high-impact seller capabilities for Tokoku while supporting production on-call rotations, resolving critical incidents to protect service availability and transaction integrity for a large-scale user base.
Architected AI-assisted engineering workflows for itemku, Bukalapak's most profitable product, integrating intelligent development tooling and automation to accelerate delivery and improve code quality.

TypeScriptNode.jsKoaMySQLAWSMarketplaceC2C Platform

Sep 2025 - May 2026

Jakarta, Indonesia

Joined as Founding Engineer and built the core backend for Nexius AI, a production Applied AI system turning raw financial documents into structured, auditable data through OCR, parsing, extraction, validation, journal mapping, and report generation.
Developed production-grade FastAPI services using LLM/VLM structured outputs, PyTorch-backed OCR pipelines, and deterministic fallback logic to improve financial-data extraction accuracy.
Re-architected long-running file-processing pipelines off a monolith and onto RabbitMQ-based distributed workers running on Kubernetes, with OpenTelemetry-based observability powering scalability and fault isolation across 100+ document-processing workloads per second.
Shipped production REST APIs and real-time SSE progress streams covering upload status, queue visibility, per-report/month processing state, worker heartbeat, and background jobs.
Instrumented the platform with OpenTelemetry, SigNoz, structured logs, and queue diagnostics, turning a distributed async system into one that's debuggable in production.
Owned end-to-end delivery across 3 product surfaces: the customer application, the partner/affiliate portal, and the internal admin dashboard.
Supported AI quality through ambiguous-transaction clustering, Chart of Accounts mapping, and metric-based validation, keeping automated categorization trustworthy at scale.

PythonFastAPIMongoDBRabbitMQSSEKubernetesOpenTelemetry

Apr 2025 - May 2025

Bandung, Indonesia

Completed a 2-month R&D apprenticeship on Endpoint Detection & Response, Intrusion Detection Systems, user behavior monitoring, and anomaly detection.
Analyzed cybersecurity datasets from Indonesia's National Cyber and Crypto Agency to surface patterns in endpoint behavior and security event classification.
Produced technical research on user behavior monitoring, threat detection, and anomaly-driven endpoint protection — an early exercise in reasoning about systems under adversarial conditions.

EDRIDSAnomaly DetectionSecurity ResearchDataset Analysis

Dec 2023 - Mar 2025

Subholding of CAC Corp, Japan

Indonesia

Served as PIC Assistant for Hashigake, a Japanese multi-tenant B2B corporate matching platform, owning slices of backend architecture, frontend delivery, QA coordination, and production releases.
Built services using .NET, React/TypeScript, Azure Service Bus, WebSocket services, cron jobs, and event-driven communication for real-time and asynchronous workflows.
Delivered core platform modules for meeting synchronization, automatic status updates, messaging backend services, admin management, and real-time communication.
Implemented asynchronous communication via Azure Service Bus to improve reliability between backend services and external integrations.
Worked directly with QA, Project Management, and Data Science teams to ship features into a live multi-tenant production system.
Built a full-stack internal voting platform using ASP.NET, React, SQL Server, and Azure Services across 3 layers: frontend, backend APIs, and database integration.
Designed voting flows for employee participation, vote submission, percentage calculation, result reporting, and administrative review.
Optimized SQL Server logic with stored procedures and database tuning to improve API reliability under concurrent voting load.
Refined voting percentage calculation, UI behavior, and reporting accuracy alongside full-time engineers and QA.

.NETReactTypeScriptAzure Service BusWebSocketRedux

May 2023 - Nov 2023

Bandung, Indonesia

Built API and CMS features for KLAR Smile's official platform using Laravel, NGINX, MySQL, and Docker.
Optimized backend queries and application performance, cutting API latency by roughly 10% on a live customer-facing platform.
Supported content management, API integration, backend debugging, and deployment-readiness for a system real customers relied on daily.

LaravelNGINXMySQLDockerCMSAPI Development