Galin Kostov

• 10+ yrs of experience with design and development of software systems
• 7+ yrs of production experience with Node.js, Typescript and Microservices architectures
• 6+ yrs of experience with Docker, CI/CD pipelines, Kubernetes, DevOps
• 3+ yrs of experience within the Blockchain and Web3 space
• 2+ yrs of experience with Solidity and Smart Contracts
• 1.5+ yrs of experience with Rust

Node.js, Typescript, Rust, Solidity, Bash

Postgres, Redis, Mongo, Firestore

Docker, Kubernetes, AWS, GoogleCloud

CI/CD, Github Actions, CircleCI, Bamboo

Hardhat, Truffle, Ganache, web3.js, ethers.js, solana/web3.js

Distributed Systems, Event-Driven Systems, Microservices, Monoliths

Senior Software Engineer & Team LeadClutchy (05/2023 – present, remote)

Rust, Docker, AWS, GitLab CI

NFTs, Blockchain Indexer, Sui blockchain

• Reduced the CI/CD pipeline processing time by 75%
• Reduced the errors returned from the indexer by more than 3 times, by implementing system design changes
• Work on improving a high-throughput blockchain indexer written in Rust, for the Sui blockchain

Freelance Blockchain developmentFreelance

Solidity, Rust, Node.js, TypeScript

NFTs, ERC721, Automated Trading backend, Ethereum, Polygon

• ERC20 token for Divei Prime: etherscan
• Islands' NFT contract (ERC721): polygonscan
• Automated Trading system in Rust (NDA) - aggregate data from certain exchanges and submit trades based on the data

Lead Blockchain EngineerIslands.xyz (05/2022 – 11/2022, remote)

Node.js, TypeScript, Solidity, Rust, ethers.js, web3.js

NFTs, ERC721, Blockchain Indexer, Ethereum, Polygon

• Made it easy for our Dev & QA teams to integrate with and test onchain solutions
• Implemented an automated NFT minting solution for our backend
• Write smart contracts in Solidity and Rust (for EVM chains and Solana)
• Work on implementing a blockchain indexer in Rust
• Integrate our backend platform with different blockchains

Senior Backend Engineer & DevOpsDeversiFi (04/2021 – 04/2022, remote)

Node.js, TypeScript, Solidity, ethers.js, Kubernetes, Docker, GCP

• Worked on developing a multi-chain swapping feature, involving bridge, swap and user-balance smart contracts in Solidity
• Implemented a market-making bot to support & manage the markets upon new token launches on our platform
• Research, design and implement improvements across the backend system, consisting of a couple dozen microservices
• Bring improvements and innovations into the CI/CD pipeline

Lead Backend EngineerSTRV s.r.o. (03/2019 – 04/2021, Prague / remote)

Node.js, TypeScript, Kubernetes, Docker, GCP, Postgres, Redis, Serverless

• Lead a team of backend devs. Bring a product from idea inception to life in production
• R&D, system design and architecture, implementation
• Consulting clients
• Design, develop and set up backend architectures and cloud infrastructures

Architecture & Infrastructure Consultant eSmiley A/S (09/2016 – 04/2020 Copenhagen / remote)

Node.js, TypeScript, Docker, AWS, Postgres, Redis, Rancher

• Maintain the backend architecture and the underlying cloud infrastructure
• Cooperate with the on-site dev team on various backend-related issues

Lead Developer

• Guide, teach and support the tech team; Code reviews
• R&D System design solutions
• Maintain the systems' stability, CI/CD pipelines, cloud infrastructure

Backend Developer & DevOps

• Zero-to-production setup of the backend architecture, the CI/CD pipeline and main part of the cloud infrastructure
• Design & implement a system with Microservice-Oriented architecture
• Propose, design, implement and document processes and specifications

Software Developer Coinfy ApS (09/2015 – 08/2016, Copenhagen)

Node.js, Docker, Postgres, Redis

• Core developer in creating Coinify's new crypto payments API for merchants
• Integrate with APIs of 3rd party exchanges like Bitstamp and Kraken
• System design & development, Microservice architecture

MSc in Computer Science & Engineering Technical University of Denmark (DTU)

Bachelor of ICT EngineeringVIA University College (VIA UC)

• NPM lib for Database migrations in a distributed architecture env: npm package
• Solana Escrow program in Rust: github repo