# Igor Mihajlov > Backend Engineer based in Belgrade, Serbia. 6+ years of experience building backend systems, microservices, and APIs in Go and TypeScript across fintech, Web3, gaming, and telecom domains. Open to new opportunities. ## About - [About](https://igormihajlov.com/about/): Full background, technical skills, work experience, and education. - [Homepage](https://igormihajlov.com/): Overview and links to key sections. ## Technical Skills - Languages: Go, TypeScript, C, C++, Python, Lua - Databases: PostgreSQL, Cassandra, ClickHouse, MongoDB - Infrastructure: Docker, Nginx, AWS, GCP, ArgoCD - Messaging: NSQ, NATS - Other: Git, Jenkins, OpenResty ## Work Experience - **Backend Engineer** at Comit International (Mar 2025 – Present): TypeScript, NestJS, PostgreSQL, MongoDB, AWS. Projects include Vitals4Pets (veterinary health monitoring via wearables) and FairPlay Mobile (eSIM data plans). - **Backend Engineer — Finance Team** at Playtronix (Sep 2024 – Mar 2025): Go, bet processing microservice via NSQ, balance coordination via NATS, PostgreSQL for transactions, ClickHouse for analytics, ArgoCD GitOps deployment. - **Backend Engineer — VM Team** at Tenderly (Aug 2023 – Apr 2024): Go, Web3 development platform, EVM-compatible blockchain integration, transaction simulation, real-time blockchain indexing. - **Backend Engineer — Order Management Team** at LotusFlare (May 2022 – Aug 2023): Cloud-native BSS platform for telecom operators. - **Backend Engineer — Rewards Management Team** at LotusFlare (Oct 2019 – Oct 2020): Lua on OpenResty, Cassandra, Elasticsearch. ## Education - Bachelor of Engineering, Computer Engineering — Union University (Računarski Fakultet), Belgrade, Serbia (2016 – 2025) ## Blog Posts - [Deploying a Hugo Site with GitHub Actions, Docker Swarm, and Cloudflare](https://igormihajlov.com/posts/deploying-hugo-site-github-actions-docker-swarm/): Complete guide to automated Hugo deployment using GitHub Actions, Docker Swarm, GHCR, and Cloudflare SSL. - [Optimizing My Hugo Site: Performance, Security, and SEO](https://igormihajlov.com/posts/optimizing-hugo-site-performance-security-seo/): Nginx configuration, security headers, CSP, performance optimizations, and SEO fixes. ## Projects - [Projects](https://igormihajlov.com/projects/): Side projects and open source work. ## Contact - LinkedIn: https://linkedin.com/in/igor-mihajlov - GitHub: https://github.com/irog-c - Location: Belgrade, Serbia - Languages: Serbian (native), English (C1), German (A2)