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Hi, I’m Angga Danar Prasetyo, a Smart Contract Engineer with 4+ years of hands-on experience building EVM-based systems across identity, audits, licensing, tokenization, and product infrastructure. I enjoy tackling architecture and implementation to testing, deployment, and backend integration, always focused on security and reliability. My strengths include access control design, EIP-712, upgrade-aware storage patterns, and security-focused development using Slither and Echidna. I thrive as a lead blockchain engineer on a team and love guiding architecture decisions across multiple products—government-grade identity and audit systems, medical records, and supply-chain traceability with compliance boundaries.…Hi, I’m Angga Danar Prasetyo, a Smart Contract Engineer with 4+ years of hands-on experience building EVM-based systems across identity, audits, licensing, tokenization, and product infrastructure. I enjoy tackling architecture and implementation to testing, deployment, and backend integration, always focused on security and reliability. My strengths include access control design, EIP-712, upgrade-aware storage patterns, and security-focused development using Slither and Echidna. I thrive as a lead blockchain engineer on a team and love guiding architecture decisions across multiple products—government-grade identity and audit systems, medical records, and supply-chain traceability with compliance boundaries.

Angga Danar Prasetyo

Blockchain Developer, Web Developer, Full Stack Developer, +2

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Hi, I’m Angga Danar Prasetyo, a Smart Contract Engineer with 4+ years of hands-on experience building EVM-based systems across identity, audits, licensing, tokenization, and product infrastructure. I enjoy tackling architecture and implementation to testing, deployment, and backend integration, always focused on security and reliability. My strengths include access control design, EIP-712, upgrade-aware storage patterns, and security-focused development using Slither and Echidna. I thrive as a lead blockchain engineer on a team and love guiding architecture decisions across multiple products—government-grade identity and audit systems, medical records, and supply-chain traceability with compliance boundaries.…Hi, I’m Angga Danar Prasetyo, a Smart Contract Engineer with 4+ years of hands-on experience building EVM-based systems across identity, audits, licensing, tokenization, and product infrastructure. I enjoy tackling architecture and implementation to testing, deployment, and backend integration, always focused on security and reliability. My strengths include access control design, EIP-712, upgrade-aware storage patterns, and security-focused development using Slither and Echidna. I thrive as a lead blockchain engineer on a team and love guiding architecture decisions across multiple products—government-grade identity and audit systems, medical records, and supply-chain traceability with compliance boundaries.

Available to hire

Hi, I’m Angga Danar Prasetyo, a Smart Contract Engineer with 4+ years of hands-on experience building EVM-based systems across identity, audits, licensing, tokenization, and product infrastructure. I enjoy tackling architecture and implementation to testing, deployment, and backend integration, always focused on security and reliability.

My strengths include access control design, EIP-712, upgrade-aware storage patterns, and security-focused development using Slither and Echidna. I thrive as a lead blockchain engineer on a team and love guiding architecture decisions across multiple products—government-grade identity and audit systems, medical records, and supply-chain traceability with compliance boundaries.

Skills

Experience Level

Expert

Expert

Expert

Expert

Language

English

Advanced

Indonesian

Fluent

Work Experience

Smart Contract Engineer at PT Balio la

May 1, 2024 - Present

Lead contract architecture decisions across multiple products (government-grade identity and audit systems to medical records and supply-chain traceability). Implement upgrade patterns, access control models, CREATE2 deployment strategies, and storage layouts per use case. Designed systems to meet real compliance and auditability requirements, with explicit permission boundaries. Built and maintained TypeScript SDKs (~135 modules) to reduce Web3 complexity for backend teams. Implemented security workflows across all contract systems (Slither, Echidna) and security regression suites. Deployed contracts across four network environments: local, Jabarchain, MAC Testnet, and MAC Mainnet. Selected projects include Blockchain Identity (BID) — W3C DID + VC on-chain identity protocol; Jabar Government Platform; Kraflab; Medisa; Sustainix.

Blockchain Developer at PT IBF Next Indonesia

November 1, 2023 - May 1, 2024

Built and shipped Solidity contracts for a consumer-facing Web3 platform covering NFTs, crowdfunding, marketplace, and volunteer features on Ethereum-compatible environments. Coordinated across product and engineering to deliver secure blockchain features across multiple release cycles.

Blockchain Developer at BlockSphere (Freelance)

November 1, 2022 - September 1, 2023

Designed and delivered a meta-verse asset suite on Arbitrum: ERC-20/721/1155 tokens, in-game marketplace, and multi-standard airdrop utilities.

Blockchain Developer at PT DOT Indonesia

February 1, 2022 - October 1, 2023

Built and shipped production NFT contracts on Ethereum-based environments. Collaborated across product and engineering to deliver secure blockchain features across multiple release cycles.

Blockchain Developer Intern at PT Rom Bong Tahta Mandiri

September 1, 2021 - November 1, 2021

Led prototype development of an employee data DApp using Solidity + Truffle + Ganache, with a basic web interface for contract interaction.

Smart Contract Engineer (Freelance) at SharesByCoco

July 1, 2025 - March 1, 2026

Built a fractional real-estate tokenization platform on Base: per-villa ERC-20 tokens, DAO governance via Aragon OSx plugin architecture, revenue distribution, and a NestJS Web3 backend. 143 passing tests, >92% statement/line coverage, 10 Echidna variants. Deployed on Base Sepolia. Used clone pattern for per-villa token deployment; Aragon OSx governance plugin for on-chain DAO authorization; backend service built with NestJS, Prisma, Swagger.

Smart Contract Engineer at SharesByCoco (Freelance)

July 1, 2025 - March 1, 2026

Blockchain Developer Intern at PT Rom Bong Thta Mandiri

September 1, 2021 - November 1, 2021

Led prototype development of an employee data DApp using Solidity + Truffle + Ganache with a basic web interface for contract interaction.