Sr. Blockchain Developer / Anton

9+ years of experienceEspoo, Finland

Blockchain engineer since 2017, focused on protocols, DeFi design, and trading systems. Experienced in leading teams, building scalable infrastructure, and integrating advanced cryptography like DVT and Ethereum R&D.

Skills

  • Blockchain protocol engineering: Ethereum Execution layer, Cosmos SDK, Beacon chain
  • Execution and consensus layer research and development
  • DeFi and trading platform system design
  • High‑throughput trading systems with TEEs and zero‑knowledge proofs
  • Back‑end applications for EOA and ERC‑4337 wallets
  • ETL pipelines, blockchain indexers, SDK development
  • Applied cryptography with zero‑knowledge proofs and trusted execution environments
  • Smart contract development for bridges, staking, DeFi integrations
  • Backend architecture and microservices with NestJs, Go, NodeJs, Typescript
  • DevOps, observability, monitoring with k8s, Kafka, Redis, Postgres, Grafana, PROM stack
  • Team leadership, process design, code standards, review pipelines

Experience

2025 — Present

Lead Protocol Developer

Trillion
  • Design and build core protocol infrastructure for a fully verifiable DEX execution layer
  • Engineering a high-throughput trading system (~100k tps) combining TEEs with zero-knowledge proofs
  • Designed and developed trading engine with benchmark and performance e2e testing infrastructure
  • Managed a team of 4 engineers, established development processes and code standards
  • Integrated AI-driven development workflows reducing review time by ~40%
2023 — 2025

Lead Go R&D Developer

SSVLabs
  • Worked on SSV mainnet securing 4.5M+ ETH (~$10B+ TVL equivalent)
  • Developed core logic and conducted extensive P2P network testing, fixed several high-severity vulnerabilities
  • Improved network throughput by 95% via hard fork redesign
  • Built internal SRE tooling improving incident detection coverage to >95%
  • Enhanced observability by refining metrics, alerts, and Grafana dashboards
2021 — 2023

Lead Blockchain Engineer

Dexilon
  • Designed and developed blockchain layer of a decentralized derivatives trading platform
  • Built custom Cosmos SDK based side chain for highest possible throughput
  • Designed decentralized bridge with multiple L1 chains passing audit with 10/10 security score
  • Implemented MetaMask-controlled Cosmos accounts reducing onboarding friction by ~60%
  • Led a team of 4 engineers delivering full blockchain and infrastructure stack
2020 — 2022

Back-end Team Lead

IMELAB LTD
  • Non-custodial crypto wallet + alternative Telegram client with 2M+ MAU users
  • Designed backend architecture including indexer, transaction proxy service, and notification system
  • Built dedicated blockchain node infrastructure reducing operational costs by ~80%
  • First ever released crypto wallet Binance Pay integration
  • Led and managed development team of 8 developers
2019 — 2020

NodeJS Back-end Developer

Altarix
  • NestJS back-end and AWS Lambda serverless back-end development
  • Corporate private messenger development and management system with Gantt diagram
  • Infrastructure setup and support with basic DevOps responsibilities
  • PROM stack monitoring and alerting implementation
2016 — 2019

C++ / NodeJS Blockchain Developer

Golos
  • C++ development of blockchain protocol core and plugins for Russian blockchain-based social media network
  • Implemented statistics plugin aggregating all blockchain metrics in real-time
  • Worked with lock-free queues and high-performance parallel code
  • Switched to JavaScript after 1.5 years, implemented Wallets Indexer microservice
  • Full blockchain API e2e tests coverage

Contact

Takovska 5, Belgrade, 🇷🇸 Serbia.

Email: [email protected]