• Built HRIS and Payroll platform from 0 to 173 enterprise clients and 2,124 MAU on a distributed system of 33 microservices processing 17.6M requests/month, at a startup backed by $18.5M Series A funding.
• Navigated two major product pivots, maintaining system stability and team alignment throughout.
• Took leadership of several technical initiatives and team deliveries, eventually assuming end-to-end ownership as Technical Lead of a 6-person engineering team, overseeing architecture, delivery, and technical direction.
• Introduced LLM-based agents to automate internal workflows and enhance product capabilities.

Tech stack: Kotlin, Spring Boot, MongoDB, Apache Kafka, Kubernetes, AWS, TypeScript, React.js, Mastra

• Developed new features for the internal HRIS platform used daily by 1,000+ Sollers employees, working on both backend and frontend layers.

Tech stack: Java, Spring Boot, PostgreSQL, React.js, TypeScript

• Worked as an independent software engineer, delivering client projects remotely.
• Built Ethereum smart contracts and delivered Web3 applications, including an online game, an ERC-20 token exchange, and an ERC-20 token airdrop platform.
• Provided Solidity consulting, with a focus on smart contract design, security, implementation, and review.

Tech stack: Solidity, Express.js, TypeScript, React.js, Web3 technologies

• Led a team of engineers to deliver a SaaS financial reporting platform, reducing report generation time by 60%.
• Provided consulting support for enterprise clients integrating and customizing solutions on the Salesforce CPQ platform.

Tech stack: Kotlin, Spring Boot, PostgreSQL, Kubernetes, Google Cloud Platform

• Built a C++ framework for the ESP8266 platform that streamlined development of IoT devices and accelerated prototyping of sensor and actuator modules.

Tech stack: C++, Arduino Framework