BelHard — Blockchain developer (2022 – Present)

• Built and deployed custom backends to synchronize smart contract transfers and account updates via Explorer and Exchange APIs.
• Managed Web3 infrastructure, including transaction processing, log indexing, and IPFS pin manipulation.
• Developed developer tooling, including a distributed CLI for spinning up local multichain environment.
• Optimized system throughput to handle massive parallel API loads and used Prometheus for real-time performance monitoring.
• Developed of high-performance GraphQL endpoints optimized for CDN caching.
• Optimized storage solutions for large-scale blockchain datasets and implemented feature sets using wasm-bindgen.
• Automated DevOps workflows by deploying L1 nodes in Kubernetes, creating Helm charts, and configuring CI / CD pipelines in GitLab and Gitea for blockchain-related applications. Created new environments for different use-cases.