Ula Tuychiev

Toptal LLC | 2021-2024

Senior Software Engineer

• Maintained a Node.js-based GraphQL API Gateway, integrating up to 10 multiple service-specific endpoints
• Contributed to GraphQL tooling for Ruby ecosystem, developing code generation utilities for types, mutations, specs, and schema updates which increased our developers performance and decreased feature development time from 1-2 hours to 15-20 minutes
• Optimized application performance, reducing average request time by 20-40% and decreasing resource utilization by 10-30%
• Established GraphQL best practices by developing custom RuboCop linting rules and automation tools
• Led technical initiatives E2E, from identifying system requirements and partner dependencies to workload balancing, software implementation, engineering, testing and configuring metrics, alarms, monitors, and dashboards
• Continues Integration, pull requests, code reviews, load/stress testing, unit/integration/e2e testing
• Led technical interviews and candidate evaluations for engineering roles across multiple teams
• Mentored junior and middle software engineers in the team

datarockets | 2019-2021

Software Engineer

• Developed and maintained multiple projects across e-commerce, fintech, and healthcare domains using programming languages as Ruby, Python, JavaScript, and even Scheme and frameworks as Ruby on Rails, Django, and React
• Implemented new features and optimized existing functionality for improved performance and scalability
• Led daily Scrum ceremonies, retro meetings and sprint planning as acting Scrum Master

Crypderex | 2017-2019

Software Engineer

• Developed and optimized a cryptocurrency exchange platform built on Ruby on Rails
• Implemented secure trading features and real-time market data integration

Hexlet | 2017

Intern Software Engineer

• Developed and maintained online programming learning platform
• Implemented interactive coding exercises and automated assessment systems