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Professional Experience

Senior Software Engineer and hands-on technology leader with 7+ years of experience building and shipping production AI and distributed systems. Deep experience across speech AI, RAG/NLP, computer vision, backend systems, Kubernetes, and cloud infrastructure (AWS/GCP), with systems serving 100K+ users. Combines hands-on engineering with system architecture, technical leadership, and client-facing delivery, owning complex products from design and model development through production deployment and optimization.

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Senior Software Engineer / Founding Engineer / CTO

Widya Wicara

May 2022 – Present

▸Architected, built, and launched Transkripsi.id and Widya Notulensi (https://notulensi.id), production AI and LLM-powered transcription products serving 100K+ users with 99.9% uptime and over 1,000 AI workloads per month.
▸Built production speech-to-text, meeting transcription, and multi-participant speaker diarization, with encryption in transit and at rest and versioning for meeting-data integrity and tamper traceability.
▸Shipped automated meeting-bot integrations for Zoom, Google Meet, and Microsoft Teams; moved workloads from Kubernetes to Google Cloud Run Jobs, reducing join latency from 1–2 minutes to under 30 seconds and idle infrastructure costs.
▸Architected and shipped AI products across conversational AI, text-to-speech, generative video, content automation, and media processing using Wav2Vec, Whisper, FastSpeech2, Parallel WaveGAN, and ESPnet2.
▸Built and led the engineering team through multiple growth stages, peaking at 15 engineers and later restructuring to a core team of 3; established hiring standards and a junior-to-senior mentoring track.
▸Technology: Next.js, NestJS, Python, Flask, PyTorch, Docker, Google Cloud Run, Kubernetes.

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Fractional CTO

Widya Robotics & Widya Security

Jan 2025 – Jun 2026

▸Led technical presales and end-to-end delivery for AI projects, from client discovery and solution architecture through implementation and production deployment.
▸Led a RAG-based clinical assistant for skin-clinic doctors, answering questions from internal documents and checking stock across clinics.
▸Architected and delivered a real-time vehicle counting, classification, and license plate recognition system for harbor operations, processing 5,000+ vehicle detections per day with YOLO, MobileNetV3, PyTorch/TensorRT, FastAPI, RabbitMQ, and Docker.
▸Closed and led delivery of a real-time computer-vision system counting thousands of fertilizer bags per day in production.
▸Led cybersecurity initiatives at Widya Security, including an LLM-powered VAPT reporting platform that accelerated penetration-testing report generation.

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Senior Software Engineer / Co-Founder

Infidea.id

Dec 2020 – Apr 2022

▸Served as a client-facing technical lead and hands-on engineer, translating business requirements into production AI/ML systems and mentoring junior engineers.
▸Owned the ML lifecycle from model training and experimentation through API integration, containerization, and production deployment with Docker and Kubernetes.
▸Delivered Text-to-Speech, Object Detection, OCR, and Crowd Counting systems for a major telecommunications client.
▸Built MillionRobo, a real-time algorithmic trading platform using WebSocket and pub/sub, and NextSci, an optimization engine for routing, bin-packing, and scheduling.

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Data Scientist & ML Engineer

Azima, Datanest & Sorabel

Mar 2019 – Dec 2020

▸At Azima, built conversational commerce and logistics over WhatsApp, including custom NLU, OCR-based order-to-product mapping, and VRP delivery optimization.
▸At Datanest, built demand forecasting and time-series models to predict retail customer reorders and help sales teams prioritize outreach.
▸At Sorabel, developed market-basket analysis and search/recommendation models for fashion e-commerce.

Projects

NoteSpark AI · 2025–Present

https://notespark.id — Built and launched an AI study companion using LLMs, RAG, Next.js, Go, and React Native, reaching 1,700+ registered users.

FastPDF.net · 2024

Built a WASM-based, fully client-side PDF and file-conversion toolkit; document processing stays in the browser.

Medical SaaS · 2020–Present

Built and maintained a production SaaS platform used continuously by a medical clinic for 2+ years.

Technical Skills

Languages

Python, Go, TypeScript/JavaScript, C/C++, R

AI/ML

Computer Vision, RAG, NLP, Generative AI, end-to-end ML systems

ML Frameworks

PyTorch, LangChain, TensorFlow

Backend & APIs

Go/Gin, Flask, FastAPI, Node.js, NestJS, microservices

Cloud & Infra

AWS, GCP, Kubernetes, Docker, Cloud Run, AWS Lambda

Frontend & Mobile

React, React Native, Next.js

Data

SQL, BigQuery, PostgreSQL, Redis

DevOps

CI/CD with GitHub Actions, GitLab CI

Leadership

Technical leadership, system architecture, technical presales, mentoring, hiring, cross-functional collaboration

Education

Imperial College London

MSc Physics, Computational & Solar Cells, GPA 3.7 · 2017–2018

Universitas Gadjah Mada

BSc Physics, Theoretical & Computational, GPA 3.66 · 2011–2015

Certifications

Certified Appsec Practitioner V2 (CAP) · May 2026
ISO/IEC 27001:2022 Lead Implementer · April 2025