Pylyp Radionov

Pylyp
Radionov

Built the first Ethereum internal transaction indexer in the AML/compliance industry (2017)

Fullstack Engineer & Product Architect

+0
Years Experience
+0
Projects Shipped
+0
Hackathons · 1 Win

Impact & Achievements

Shipping production systems from protocol layer to product

Ethereum Indexing Pioneer

Built the first Ethereum internal transaction indexer in the AML/compliance industry

C++ solution: 4M blocks in 6 hours on 256MB RAM

Hackathon Winner

Won Best Use of IPFS at ETHGlobal HackFS 2023 plus multiple hackathon participations

Winner: Best Use of IPFS — Decentralized file sharing on Filecoin

Technical Leadership

CTO at Copernic Space, Product Engineer at SmartMerchant — owning product outcomes and mentoring engineers

Led teams of 3-5 engineers across distributed timezones

Startup Success

Architected platforms that raised significant funding

$1.5M+ total funding raised for portfolio companies

Full-Stack Expertise

From low-level C++ protocol optimization to high-conversion React frontends. Currently focused on AI-augmented engineering — using Spec-Driven Development and agentic coding tools to accelerate architecture and delivery. Experienced across the entire stack: smart contracts, ZK circuits, ETL pipelines processing petabytes of blockchain data, and modern frontend architectures.

Experience

Blockchain, product architecture, and AI-augmented delivery

SmartMerchant

Product Engineer (Frontend Lead)

Sep 2025 — Feb 2026

Acting as the bridge between Engineering, Design, and Product for a B2B platform connecting shop owners with wholesalers.

ReactNext.jsTypeScriptTailwind CSSShadcn UITanStack Query
Legacy Migration & Modernization: Orchestrated migration from legacy PHP to modern Next.js architecture with Tailwind, Shadcn UI, and TanStack Query
Product Ownership & UX Strategy: Owned V2 Product Vision and user flow architecture, optimizing UI for higher conversion and retention
Technical Leadership: Led frontend delivery for a 4-person agile squad with component-driven development

DeCleanup Network

Open Source Contributor

2024 — Present

Contributing infrastructure to an open-source initiative that verifies real-world environmental cleanups on-chain via impact NFTs.

SolidityHypercertsIPFSReactNext.js
Contributing smart contract and frontend work to verify cleanup actions on-chain
Integrated Hypercerts (ERC-1155) for minting impact certificates after verified cleanups

0xKYC

Co-founder & CTO

Sep 2022 — Dec 2023

Decentralized identity platform built on zero-knowledge proofs. Started at ETHWarsaw 2022 hackathon, secured pre-seed funding and joined a VC accelerator.

Zero-Knowledge ProofsCircomSolidityReactIdentityTypeScript
ETHWarsaw 2022: Co-founded and led technical architecture for ZK-based identity verification
Secured pre-seed funding and acceptance into VC accelerator post-hackathon
Designed ZK proof system allowing on-chain identity claims without exposing PII
Transitioned to consulting role as the protocol matured

Copernic Space

CTO → Independent Contractor

Jan 2021 — Jul 2025

Web3 marketplace for tokenizing space industry assets — satellites, payloads, mission capacity. Company raised $1M total funding.

SolidityYul/AssemblyHardhatFoundryReactNext.jsThe Graph (Subgraph)IPFSFilecoinFirebaseGCPERC-1155TypeScript
Architected EVM smart contract protocol using Factory patterns and recursive ERC-1155 token relationships for hierarchical space assets
Designed gas-optimized contracts with comprehensive fuzz testing coverage
Built custom Subgraph indexer for real-time on-chain data and IPFS/Filecoin integration for decentralized metadata storage
Developed full-stack React/Next.js application with Sign-In with Ethereum (SIWE) and Firebase
Led technical decisions and mentored a team of 3-5 engineers across distributed timezones

ZeeKaptcha

Zero-Knowledge Protocol Engineer

Jan 2024 — Mar 2024

Developed an open-source Zero-Knowledge SNARK protocol to verify CAPTCHA solutions on-chain while preserving user privacy.

CircomGolangZero-Knowledge ProofsSoliditySmart Contracts
Developed Circom circuits for on-chain CAPTCHA verification without exposing user data
Built proof generation and verification infrastructure from scratch — implemented custom Powers of Tau ceremony setup, proof generator, and verifier smart contract
Prepared open source release of the solution

Firelabs

Tech Lead

May 2021 — Aug 2021

Led a team of 5 engineers to design and deliver a Web3 mirror trading application for external enterprise client.

GolangReactWeb3TypeScriptSmart Contracts
Team Leadership: Managed full delivery lifecycle, defined deliverables, structured workflows, and maintained alignment
Requirements Engineering: Conducted feasibility studies and collaborated with client to clarify technical requirements
Project Management: Provided accurate estimates and ensured strict adherence to client deadlines and specifications
Full-Stack Development: Implemented Golang backend services and React frontend with Web3 trading logic
Code Quality: Established code standards and review practices across the team

Coinfirm

Software Engineer — Big Data & Blockchain Analytics

Apr 2017 — Dec 2020

Core engineer for global crypto-compliance platform. Built ETL pipelines processing petabytes of blockchain transaction data for enterprise banking clients.

PythonScalaSoliditySQLNeo4jHadoopMapRETLSmart ContractsUnixDockerPostgreSQL
Performance Engineering: Built the first Ethereum internal transaction indexer in the AML/compliance industry (2017) — C++ solution processing 4M blocks in 6 hours on 256MB RAM
Data Pipeline Architecture: Designed ETL pipelines mapping Ethereum data to SQL and Neo4j graph databases for compliance investigations
Extended indexing infrastructure to Bitcoin and UTXO chains (Litecoin, Dash)
Engineered MapR and Apache Spark clusters for historical blockchain analysis and automated node operations

Education

B.Sc.

Computer Science

Polish-Japanese Academy of Information Technology

Warsaw, Poland

M.A.

International Economic Relations

Odesa I.I. Mechnikov National University

Odesa, Ukraine

Skills & Expertise

Full-stack engineering, AI-augmented workflows, and blockchain infrastructure

AI-Augmented Engineering

Spec-driven development, agentic coding, rapid prototyping

Spec-Driven DevelopmentClaude CodeAiderGemini CLILLM-Assisted ArchitectureRapid Prototyping

Web3 & Blockchain

Smart contracts, DeFi, chain data, cryptography

SolidityHardhatFoundryViemEthers.jsSmart ContractsERC StandardsDeFiZero-Knowledge ProofsEthereumOptimismPolygonArbitrumBitcoinIPFSFilecoinThe GraphCircom

Languages & Frameworks

Core languages and frontend/backend frameworks

TypeScriptJavaScriptSolidityC/C++PythonGolangJavaScalaReactNext.jsNode.jsTailwindCSSShadcn UITanStack Query

Data & Infrastructure

ETL pipelines, databases, cloud, DevOps

ETL PipelinesSQLNeo4jHadoopMapRBigQueryDockerGCPFirebaseSubgraphAnalyticsUnixGitCI/CD

Product & Leadership

CTO experience, product ownership, team management

Tech LeadTeam ManagementProject ManagementProduct DevelopmentFigmaUI/UX DesignCommunicationCollaborationStakeholder ManagementArchitecture DesignMentoring