Maksym Hrynenko Email & Phone Number

Kyiv, Ukraine

- Supported existing solutions by upgrading Rust smart contracts, refactoring monolithic code, implementing features with manipulation user assets, optimizing service to reduce concurrency problems, and supporting integration processes. - Developed services integrating ZK proofs, created smart contracts for new platform features as gasless transfers, had introducion in ZK proofs development.- Implemented an API integrated with The Graph.- Designed system architecture for efficient working, integrated with AWS S3 for document storage.- Added functionality for issuing new token instances using the Create2 mechanism and integrated it in existing platform.- Developed a platform to ensure the authenticity of user feedback by implementing a service and smart contracts with Merkle Tree and Ring Signature verification.- Integrated with external APIs (GitLab, GitHub, Telegram, Slack, Google), and created an orchestration service routing using RabbitMQ.- Developed an encrypted messaging service, handling user authentication with signatures and encryption using Diffie-Hellman.

Kyiv, Ukraine

I gained practical experience in several key areas:- Learned to design and program microservices using Golang, with a focus on building efficient, scalable systems.- Worked extensively with PostgreSQL, developing a deeper understanding of database design and optimization.- Enhanced my skills in Docker and Docker Compose, enabling efficient deployment and management of containerized applications.- Increased proficiency in using Git, with hands-on experience in both GitLab and GitHub for version control and collaboration.- Completed an internal course on Solidity, equipping me with the ability to develop and understand smart contracts. I also gained foundational knowledge of cryptocurrency and blockchain technology.- Strengthened my command of Linux, improving my ability to work in a Unix-based environment.