Gurgen Hayrapetyan
Technology Lead
Yerevan
Summary
Introduced a distributed position-generation algorithm at Miro that eliminated conflict-resolution and position collisions for 60 million users. Built and led the microservice backbone for a clinical-trial platform that cut study setup from weeks to days. Delivered an anonymous-chat system with 99.99% uptime and sub-200 ms message latency across web and mobile.
Skilled in Software Architecture, Graph Databases, Distributed, Real-Time systems, and Concurrent Programming.
Overview
8
8
years of professional experience
Work History
Technology Consultant
Self-Employed
01.2024 - Current
- Coordinated with cross-department teams like QA, DevOps, and Support to ensure seamless end-to-end software delivery process.
- Health Care Tech & Clinical Trial Automation: Development of innovative solutions in the health care tech sector, focusing on automating clinical trials to enhance efficiency and data accuracy.
- Maintain and enhance large web-based front-end systems with corresponding back-end APIs.
- Implemented scalable solutions for intricate technical and business challenges using minimal supervision, increasing client onboarding efficiency by 20%.
Senior Software Engineer
Miro
01.2023 - 01.2024
- Led initiatives to improve real-time collaboration in Miro, introducing a distributed position generation algorithm that reduced conflict resolution time and position collisions by 100%, solving challenges similar to Google Docs and Figma, while supporting over 60 million users.
- Implemented a high-performance layout engine for HTML5 Canvas using Yoga Layout WASM, enabling complex flexbox layouts and responsive design patterns, while maintaining 144 FPS performance for canvases with 1,000+ elements.
- Pioneered a custom ID-generation approach that reduced ID size by 87.5% (from 8 bits to 1 bit) in a distributed system, leading to more efficient storage and network utilization.
Senior Software Engineer
HearMe
01.2022 - 01.2023
- Led full-stack web and mobile development, employing CQRS architecture to create a GraphQL-powered backend with 99.99% uptime. The system is secure, real-time, and provides smooth chats.
- Collaborated closely with Product Managers and Designers to translate project requirements into technical solutions, delivering 35+ features on schedule, with a 95% first-time acceptance rate. Reduced development iterations by 40% through early architectural decisions and proactive stakeholder engagement.
- Maintained sub-200 ms message delivery latency across both platforms.
Senior Engineering Consultant
Squash Consulting
01.2020 - 01.2022
- Designed graph database solutions that improved suggestion accuracy and reduced fraud incidents while processing over 500,000 nodes and 2,000,000 relationships daily. Expanded graph database applications to Elixir/Erlang and JavaScript/TypeScript ecosystems, and enabling real-time graph traversal for 100K+ concurrent users.
- Delivered technical workshops and achieved a 100% client satisfaction rate.
- Contributed to free and open-source software (FOSS) projects, maintaining major libraries.
- Created educational resources and documentation, fostering accessibility and collaboration.
Founding Engineer
GRÜV
01.2019 - 01.2020
- Architected and implemented graph-backed databases that processed over 1 million nodes and over 5 million relationships, improving community detection accuracy by 40%, and increasing recommendation relevance by 55%.
- Developed and maintained Node.js-based API services using TypeScript, Express, JSON-API, and microservice architecture. Achieved a 50 ms average response time and reduced infrastructure costs by 35% through efficient microservice design.
- Built dynamic and responsive ReactJS applications with Redux/Rematch and NextJS, improving page load times by 60%, and achieving a 95% Lighthouse performance score.
- Designed and executed various unit and integration tests, achieving 92% code coverage, reducing production bugs by 75%, and cutting QA cycles by 40%. Implemented automated testing pipelines.
Full-Stack Software Engineer
Vineti
01.2018 - 01.2019
- Developed and maintained full-stack web applications using Ruby on Rails and ReactJS, serving 3+ enterprise clients with 99.95% uptime. Optimized database queries resulting in 65% faster page load times, and a 40% reduction in server response time.
- Built and optimized Rails-based services that processed over 300,000 daily requests, reducing the average response time from 800 ms to 200 ms. Implemented caching strategies that increased database load by 50% and improved API performance by 70%.
- Created responsive and dynamic React applications, reducing initial load time by 55% (from 2.8 seconds to 1.25 seconds).
- Designed and implemented over 3,000 unit and integration tests with over 90% code coverage, reducing production incidents by 70%.
- Collaborated closely with product managers and designers to deliver over 40 enterprise-centric features, with a 92% on-time completion rate.
- Reduced feature development cycles by 35% through improved requirements gathering, and achieved a 95% first-time acceptance rate from stakeholders.
Education
Bachelor of Science - Computer Science, Math Modeling
American University of Armenia
Skills
- JavaScript
- TypeScript
- Canvas
- React
- React Native
- Svelte
- SvelteKit
- Nextjs
- Remix
- Vue
- Nuxt
- Nodejs
- Nestjs
- Expressjs
- WebRTC
- WebSockets
- Elixir
- Phoenix
- Ruby
- Ruby on Rails
- Go
- SQL
- PostgreSQL
- ArangoDB
- Neo4j
- MongoDB
- AWS
- DynamoDB
- AWS Amplify
- AWS AppSync
- EC2
- Lambda
- CloudFormation
- CQRS
- GraphQL
- REST
- JSON-API
- Redux
- Rematch
- Microservices
- Unit Testing
- Integration Testing
- Graph Databases
- Real-Time Systems
- Concurrent Programming
- Open Telecommunication Protocol
- Distributed Systems
- Go
Timeline
Technology Consultant
Self-Employed
01.2024 - Current
Senior Software Engineer
Miro
01.2023 - 01.2024
Senior Software Engineer
HearMe
01.2022 - 01.2023
Senior Engineering Consultant
Squash Consulting
01.2020 - 01.2022
Founding Engineer
GRÜV
01.2019 - 01.2020
Full-Stack Software Engineer
Vineti
01.2018 - 01.2019
Bachelor of Science - Computer Science, Math Modeling
American University of Armenia