connor
Rust Developer
Rust/solana developer. Highly passionate about web3
Experience: 3 years
Yearly salary: $80,000
Hourly rate: $50
Nationality: 🇺🇦 Ukraine
Residency: 🇺🇦 Ukraine
Experience
Rust Developer
O.XYZ 2025 - 2025
Built a Rust WebAssembly module for image processing, improving performance 2.8× and consistency 20× over TypeScript. Rewrote entire backend indexer from Nest.js to Rust, achieving 33x faster throughput, 78% memory reduction (4.6x less), and improved latency (22% reduction in max latency, 11% reduction in P99 latency). Implemented advanced image processing algorithms (Floyd–Steinberg/Atkinson dithering, Sobel edge detection, DoG contour extraction) in Rust WebAssembly, contributing to 2.8× performance and 20× consistency improvements over the TypeScript implementation. Integrated the Solana blockchain for NFT minting with real-time updates and IPFS metadata storage. Designed an automated Solana buyback smart contract using Jupiter DEX, with slippage protection, scheduled execution, circuit-breaker safety, and real-time monitoring. Created a gamified UX with leveling and achievements, boosting user engagement.
Full stack developer
io.net 2024 - 2024
Built a full-stack node management tool with Next.js and Django. Added secure API communication and faster action response times. Implemented real-time worker/node monitoring and health checks. Designed a scalable architecture for multiple nodes and large worker fleets. Added authentication and role-based access.
Full-Stack Engineer
Feather App 2024 - 2024
Implemented semantic search and retrieval-augmented generation (RAG) using the Pinecone vector database for accurate PDF question answering. Delivered a production-ready full-stack architecture with authentication, Stripe payments, and AWS S3 file storage. Built a type-safe API layer with tRPC and optimized database queries using Prisma, reducing query latency.
DevOps engineer
Freelance 2023 - 2024
Built CI/CD pipelines with GitHub Actions to automate deployments. Secured and managed Linux infrastructure (firewalls, VPNs, VLANs) with 99.9% uptime. Automated administrative tasks with Bash, reducing manual work by 30%. Containerized services with Docker across dev, staging, and production environments. Deployed and operated Kubernetes workloads with scaling and rolling updates.
Skills
blockchain
nestjs
nextjs
node
rust
typescript
solana
english