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Gagik Grigoryan
  • 6+
    Years of Python
  • 10K
    RPS, up from 500
  • 50K
    Kafka msg / sec

Gagik Grigoryan

Python Backend Developer

📍 Based in Yerevan, Armenia

6+ years of Python development, specializing in high-load systems, microservices and backend architecture. Led backend development across several products; code optimization and scalable deployments boosted throughput from 500 to 10,000 RPS.

Email me →GitHub ↗LinkedIn ↗

Expertise

  • Languages
    • Python
    • Go
  • Frameworks
    • FastAPI
    • Flask
    • Aiogram
    • SQLAlchemy
    • Alembic
    • Celery
    • gRPC
  • Data & messaging
    • PostgreSQL
    • Redis
    • MongoDB
    • ClickHouse
    • Kafka
    • RabbitMQ
    • pandas
    • numpy
  • Infrastructure
    • Docker
    • Kubernetes
    • NGINX
    • Linux
    • CI/CD (GitLab, GitHub)
    • OpenTelemetry
  • Practices
    • Microservices
    • High-load systems
    • Data processing

Experience

  1. — Present

    Secure-T ↗

    Python / Go Backend DeveloperCurrent role
    • Took part in splitting a monolith into a microservice architecture with multiple independent services.
    • Migrated the message broker from RabbitMQ to Kafka: up to 50,000 messages per second and better fault tolerance.
    • Built monitoring and tracing on OpenTelemetry, cutting detection and resolution time for production incidents by 70%.
    • Refactored legacy microservices and optimized critical endpoints, reducing API response time by 45%.
    • Python
    • FastAPI
    • gRPC
    • Kafka
    • Kubernetes
    • Docker
    • OpenTelemetry
    • PostgreSQL
    • MongoDB
    • Redis
    • Go
  2. —

    Telemetr (Modesco) ↗

    Python Backend Developer
    • Shipped new features for high-load services, improving data-processing efficiency by 20%.
    • Built a system that detects Telegram channels with artificial engagement: 10,000+ channels identified, growing daily.
    • Developed an advanced admin panel that sped up customer-inquiry processing by 30%.
    • Deployed ELK-based logging, reducing issue detection and resolution time by 40%.
    • Python
    • FastAPI
    • Docker
    • Redis
    • pandas
    • numpy
    • PostgreSQL
    • ClickHouse
    • MySQL
    • GitLab CI/CD
    • Telethon
    • Aiogram
    • RabbitMQ
    • Celery
  3. —

    Magnet Blockchain

    Python Backend Developer
    • Built marketing products that attract users to other blockchain projects, serving 10,000+ users.
    • Managed the team workflow and ran code review, reducing bugs by 30%.
    • Created a bot for 1,000+ administrators of Telegram chats and channels to streamline their management.
    • Python
    • FastAPI
    • Docker
    • Git
    • GitLab CI/CD
    • PostgreSQL
    • Redis
    • Telegram API
    • Aiogram
  4. —

    WBStonks ↓

    Python Backend Developer
    • Developed high-load FastAPI services with Kafka and RabbitMQ brokers and Redis caching, improving reliability by 40%.
    • Created a Telegram bot backed by 10+ microservices for 15,000+ sellers promoting products on marketplaces.
    • Built CI/CD pipelines, cutting deployment time by 50%.
    • Python
    • FastAPI
    • Kafka
    • RabbitMQ
    • Redis
    • GitLab
    • Sentry
    • Docker
    • Telegram API
  5. —

    CryptoDo ↗

    Python Backend Developer
    • Built the MVP: 1,000+ smart contracts deployed on-chain, integrated with 4 payment systems.
    • Python
    • FastAPI
    • Aiogram
    • Web3.py

Projects

  • Web platform
    IKM resident cabinet: balance, meter readings and payment history
    IKM control center: user search and management for service organizations

    IKM

    Property management, end to end

    Tenant portal and control center for property-management companies and cottage communities: balances and payment history, meter readings, news, owners’ meetings and service requests.

    Live — 4 management companies onboarded
    Open lk.ikm-dom.ru ↗
  • Mobile app
    Lawly mobile app: profile screen and AI template generator

    Lawly

    Legal AI assistant

    Automates legal documents and offers consultations with AI or live lawyers. Native apps for Android and iOS.

    Android & iOS
  • SaaS
    WBStonks dashboard: creating a product buyout

    WBStonks

    Marketplace promotion service

    Automated buyouts that lift a seller’s product in marketplace search for target keywords, with a dashboard for buyouts, deliveries, reviews and tariffs.

    15,000+ sellers served

Education

  • —

    Voronezh State University (VSU)

    Bachelor’s program 09.03.02 “Information Systems and Technologies”; diploma awarded on 10 July 2026.

    Graduated
    B.Sc. · Computer Science

  • —

    P. G. Demidov Yaroslavl State University (YarSU)

    Professional development program “Applied Informatics: Project Management in Information Technology” — 97 hours.

    Completed
    Certificate · IT Project Management

  • — Present

    National Research Tomsk State University (TSU)

    Master’s program “Computer Vision and Neural Networks” (09.04.03 Applied Informatics); enrolled in August 2026.

    In progress
    M.Sc. · Computer Vision

Contact

Based in Yerevan, Armenia (GMT+4).

One-page PDF résumé with the same content as this site.

Download CV ↓