Raka Widhi Antoro
Blockchain Engineer · Backend & Full stack Systems Builder
I build production systems across smart contracts, backend services, data infrastructure, internal operations tooling, and cloud environments—from architecture through deployment, observability, and production support.
Profile
Backend and Blockchain Engineer with 6+ years of professional experience building production backends, smart contracts, fintech infrastructure, Full stack internal tools, and AI-enabled developer products.
Achievement Deck
A company-by-company view of systems shipped, technical problems solved, and responsibilities owned.
Open a companyFORUFORU.AI / UntukmuBlockchain Engineer / Full Stack Engineer · Jul 2025–Present⌄
End-to-end ownership across smart contracts, backend services, data automation, cloud migration, CI/CD, observability, and internal market operations tooling.
- Token distribution. Built the Phase 1 airdrop backend and smart contract from scratch with ElysiaJS, Prisma, PostgreSQL, Solidity, and Foundry tests.
- Production delivery. Resolved development issues, hardened the backend from Codacy findings, and delivered the system to production.
- Genesis NFT snapshot. Corrected inaccurate Dune-derived data by validating and extracting transaction history directly from Sei Network.
- NFT Badge upgrades. Updated data mapping, batch retrieval, and minting-fee functionality.
- Cost optimization. Advised migration to a lower-cost X/Twitter data provider, reducing recurring spend from hundreds of dollars to about US$50 monthly.
- Marketing intelligence. Built Telegram weekly reporting for on-chain and selected off-chain metrics with Hasura and PostgreSQL.
- Cloud migration. Helped move backend repositories, PostgreSQL, and Redis from GCP to OVHcloud; updated GitHub Actions, Grafana, and Cronicle.
- Market operations. Built the initial Full stack FORU/USDT tooling for MEXC and Mobee, including frontend, backend, database, deployment, and server operations.
OZOzaruBlockchain & Backend Developer · Aug 2023–Sep 2024⌄
Delivered client-facing blockchain and production backend systems while contributing to architecture and product flow.
- Production backends. Built backend services from an empty codebase through production for multiple client engagements.
- Smart contracts. Implemented contracts and supported integration across application layers.
- AI moderation. Built a Telegram moderation bot using LangChain and LLM infrastructure.
- Integration utilities. Created reusable frontend helpers for blockchain connectivity.
GEGreatEduBlockchain Expert · Sep 2023–Oct 2023⌄
Translated blockchain development into practical learning for Kampus Merdeka participants.
- Technical education. Delivered blockchain instruction to university students in Indonesia’s Kampus Merdeka program.
- Knowledge translation. Made Ethereum, Solidity, and smart-contract concepts accessible to varied technical backgrounds.
IBFIBF Net GroupPolygon Developer · May 2023–Sep 2023⌄
Supported an NFT marketplace across Polygon contracts and application integration.
- NFT marketplace. Built smart-contract functionality on Polygon.
- Integration. Created helpers connecting backend and frontend services to blockchain functions.
- Product alignment. Worked with Full stack engineers to translate product requirements into blockchain workflows.
BTGBlocktogoBlockchain Developer · Jan 2023–Apr 2023⌄
Greenfield engineering for a gold-backed stablecoin platform.
- Architecture. Built the initial smart-contract and backend foundation from scratch.
- Cross-layer delivery. Contributed across contracts, APIs, data persistence, testing, deployment, and infrastructure.
TKOTokocryptoBlockchain Developer · Jun 2021–Dec 2022⌄
Contributed contracts and integration utilities to NFT marketplace and token-launch products.
- NFT marketplace. Built marketplace smart-contract functionality.
- IDO infrastructure. Implemented token-launch smart contracts.
- Application integration. Created backend/frontend helpers and collaborated on product flow.
RDIPT Rupiah Digital IndonesiaIT Head / Full Stack Developer · Aug 2019–Sep 2022⌄
Combined hands-on engineering and technical leadership for IDR Private, a micropayment platform.
- Product leadership. Led development and technical operations for IDR Private.
- Full stack delivery. Owned APIs, customer/admin interfaces, databases, and payment integrations.
- Infrastructure. Managed cloud systems, Linux, CI/CD, deployment, and reliability.
- Team responsibility. Progressed into IT Head responsibilities while remaining hands-on.
AATBeasiswa Anak-Anak TerangAdministrative · May 2017–Dec 2020⌄
Earlier community experience in scholarship coordination and reliable data administration.
- Candidate coordination. Helped identify and organize students seeking scholarship support.
- Data quality. Maintained candidate records and communicated relevant information to donors.
Work Experience
Blockchain Engineer / Full Stack Engineer
- Token distribution, NFT contracts, data automation, cloud migration, and internal market operations tooling.
Blockchain & Backend Developer
- Client smart contracts, production backends, AI Telegram moderation, and blockchain integration helpers.
Blockchain Expert
Polygon Developer
Blockchain Developer
Blockchain Developer
IT Head / Full Stack Developer
Selected Work
Kritisi Explorer
Multi-chain smart-contract analysis platform focused on visualization, vulnerability review, audit insights, documentation, and developer-friendly security reporting.
Mini URL Fun
Decentralized slug and NFT platform exploring tokenized naming and blockchain ownership.
Apai
AI-assisted health-information prototype for symptom, medication, and pharmacy exploration.
Text Generator Pro
Password, random-number, and Ethereum-wallet generation in a mobile-ready interface.
Crypto Converter
Live cryptocurrency conversion, analytics, unit conversion, and historical information.
Open Source & Data
AI-assisted Solidity security audit CLI and developer tool.
Validation utility for Solidity types, addresses, and transaction hashes.
Indonesian mobile-operator detection from phone-number prefixes.
Kaggle datasets
Indonesian Public Companies, Mobile Operator Prefixes, Regional Languages and Areas, and Indonesia Affordable Housing.
Recognition
GitHub Arctic Code Vault Contributor, 2020 — contributions preserved across two archived repositories.
Education
STIKOM Yos Sudarso Purwokerto
Bachelor of Computer Science, Information Systems · GPA 3.44