Blockchain Backend Engineer / Milos

6+ years of experienceBelgrade, Serbia

Blockchain-focused Backend Engineer with 6+ years building production-grade infrastructure across EVM and non-EVM ecosystems, including Ethereum, Solana, TRON, Polygon, Starknet, and Filecoin. Skilled in Solidity, Rust, and Python, with hands-on experience spanning protocol design, smart contract development, cryptographic privacy systems, and payment/payroll infrastructure at scale. Has progressed from R&D and open-source contribution into owning protocol architecture end-to-end as a technical lead, working across the full stack — from transaction signing to backend services and cloud deployment. Holds an MSc in Computer Science focused on AI/ML.

Skills

  • Multi-chain backend architecture: Designed and built payment & payroll systems with transaction signing/monitoring across Solana, TRON, Ethereum, and Polygon in production environments.
  • Protocol & smart contract development: Led development of a cryptographic privacy protocol and deployed custom smart contracts across EVM chains and Starknet, using Solidity, Cairo, and Circom.
  • Cross-ecosystem blockchain expertise: Deep hands-on experience across L1/L2 ecosystems including Ethereum, Arbitrum, Polygon, and Filecoin, including open-source lead maintainer contributions.
  • Systems & languages proficiency: Fluent in Solidity, Rust, Go, C/C++, Python, and TypeScript/JavaScript, enabling flexible movement between performance-critical and application-layer code.
  • Full-stack & infrastructure delivery: Experienced with Node.js, Django, React.js, GraphQL, SQL, AWS, and CI/CD, capable of owning features from backend logic to deployment.
  • Cryptography & privacy engineering: Applied cryptographic techniques (via Circom and custom protocol design) to build privacy-preserving payment infrastructure from the ground up.
  • Verification & rigor mindset: Background in formal hardware verification (SystemVerilog/UVM) instills a strong quality and edge-case-testing discipline, especially valuable for high-stakes financial/blockchain systems.

Experience

Jan 2026 — Jun 2026

Backend Engineer

Chainberry
  • Architected backend systems for payments & payroll management
  • Built transaction signing and monitoring across Solana, TRON, Ethereum, Polygon
Jan 2025 — Dec 2025

Protocol Lead

Curvy Startup
  • Developed cryptographic privacy protocol and smart contracts for payment solutions
  • Deployed custom contracts on Ethereum, other EVMs, and Starknet
  • Built backend infrastructure for cross-chain EVM / non-EVM networks
Nov 2021 — Jan 2025

R&D Software Engineer

MVP Workshop
  • Worked on multiple internal and client projects across EVM L1/L2 ecosystems
  • Lead maintainer for notable open source contributions in Filecoin network
  • Focused on Ethereum, Arbitrum, Polygon, Filecoin compatibility
Sep 2020 — Oct 2021

Verification Engineer

VERIEST
  • Developed VIPs for APB, OCP, DMA protocols using SystemVerilog with UVM

Education

2020 — 2022

MSc in Electrical Engineering and Computer Science (AI/ML focus)

School of Electrical Engineering, Belgrade
2014 — 2020

BSc in Electrical Engineering and Computer Science (Electronics)

School of Electrical Engineering, Belgrade

Contact

Takovska 5, Belgrade, 🇷🇸 Serbia.

Email: [email protected]