Raka Widhi Antoro

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.

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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.

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.

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.

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.

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.

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.

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.