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Professional Experience

Senior Software Engineer with 6+ years of experience in Full Stack Development and Artificial Intelligence. Proven ability to lead cross-functional teams and design scalable, production-grade systems. Have built https://notespark.id (1000+ users), https://notulensi.id (18k+ users), https://transkripsi.id (85k+ users), and Open Source ( https://github.com/danirisdiandita/Open-Brain )

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Senior Software Engineer (Founding Engineer) - CTO

Widya Wicara

May 2022 – Present

  • ▸Architected and launched core products: Transkripsi.id (85,805 registered users) and Widya Notulensi (17,015 registered users), achieving 99.9% uptime
  • ▸Built secure, scalable infrastructure for transcription, and diarization, fully compliant with GDPR, SOC2, and ISO 27001 standards
  • ▸Designed and implemented bot integrations for Zoom, Google Meet, and MS Teams, solving cold-start issues with Kubernetes and optimizing costs by migrating to Cloud Run Jobs
  • ▸Led the development of an AI-powered video editor, integrating generative avatars and a custom cloud rendering engine
  • ▸Developed AI automation tools for SEO content generation and social media content creation (TikTok/Instagram)
  • ▸Managing the engineering team from 3 to 15 members, establishing hiring standards and mentoring junior to senior engineers
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Fractional CTO / VP of Technology

Widya Robotics & Widya Security

Jan 2025 – June 2026

  • ▸Currently working on an LLM/RAG-based chatbot for skin clinic doctors, providing recommendations from internal documents and checking stock availability for each clinic
  • ▸Designed a real-time vehicle counting and classification system for harbor operations, processing thousands of detections per day (Widya Robotics)
  • ▸Took a fertilizer-bag counting AI system from concept to production, processing thousands of bags per day in real time (Widya Robotics)
  • ▸Led an LLM-powered VAPT autoreporting platform, improving penetration testing delivery speed (Widya Security)
  • ▸Owned IT and cybersecurity governance, aligning operations with ISO/IEC 27001:2022 (Widya Security)
  • ▸Certifications: CAP v2 (May 2026); ISO/IEC 27001:2022 Lead Implementer (April 2025)
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Indie Developer / Founder

Independent Projects

2022 – Present

  • ▸Notespark.id: AI-powered study companion (LLM, RAG, Next.js, Golang, React Native) - Surpassed 1000 users and growing
  • ▸FastPDF.net / https://nggakgitu.vercel.app: WASM-based all-in-one PDF & file conversion tools - fully client side PDF tools
  • ▸Built & maintained a medical SaaS product used by a clinic for 2+ years
  • ▸OpenBrain: Open-source self-organizing wiki powered by LLM and RAG (alpha) — https://github.com/danirisdiandita/Open-Brain
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Senior Software Engineer / Founding Engineer / Co-Founder

INFIDEA.ID

Dec 2020 – 2024

  • ▸Delivered AI/ML, optimization, and SaaS projects across industries
  • ▸MillionRobo: Auto-trading platform (websocket, pubsub)
  • ▸NextSci: Optimization algorithms for routing, bin packing, and scheduling
  • ▸Delivered ML features including Text-to-Speech, Object Detection, OCR, and Crowd Counting as projects for Telco company
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Data Scientist

AZIMA

Jan 2020 – Dec 2020

  • ▸Built recommendation systems, route optimization, product mapping, and chatbots
  • ▸Developed custom NLU for retail chatbot
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Data Scientist

DATANEST

Jul 2019 – Dec 2020

  • ▸Solved optimization problems (VRP, bin-packing, constraint programming)
  • ▸Built predictive features for Demand AI (forecasting, recommendations)
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Data Scientist

Sorabel (by Sale Stock)

Mar 2019 – Jun 2019

  • ▸Worked on Market Basket Analysis and Search Recommendations

Technical Skills

Backend & APIs

REST, Gin, Flask, FastAPI, NestJS, scalable microservices

Cloud & Infra

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

Databases

SQL, BigQuery, PostgreSQL

DevOps

CI/CD with GitHub Actions, GitLab CI

AI/ML

RAG, NLP, Computer Vision (CV), Generative AI, full ML lifecycle deployment

Frontend & Mobile

React, React Native, Next.js

Languages

Python, Go, JavaScript/TypeScript, Node.js, C/C++, R

Leadership

Team coaching, mentoring, hiring, cross-functional collaboration

Education

Imperial College London

MSc Physics (Computational & Solar Cells), GPA 3.7

Universitas Gadjah Mada

BSc Physics (Theoretical & Computational), GPA 3.66

Publications & Open Source

Links