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Nikita

BACKEND DEVELOPER

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Commercial experience:
1.5 years
Education:
higher
English proficiency:
B1–B2

Specialization

  • Python
  • Go
  • FastAP
  • Echo
  • gRPC
  • WebSocket
  • PostgreSQL
  • MongoDB
  • Redis
  • Docker
  • NGINX
  • SQLAlchemy
  • Pydantic
  • OpenTelemetry
  • Prometheus
  • Grafana

Key Skills

  • REST / gRPC API design and development with FastAPI and Go
  • Microservice architecture design
  • Reliable message delivery implementation (Outbox, idempotency)
  • LLM integration, multi-agent orchestration, STT/TTS
  • Integration with blockchain platforms (Web3, TronPy, Bitcoinlib)
  • Database schema design and query optimization (PostgreSQL, MongoDB, Redis)
  • Working with WebSocket and real-time subsystems
  • Asynchronous task processing (asyncio, goroutines, queues)
  • Monitoring and observability (Prometheus, Grafana, OpenTelemetry)
  • CI/CD setup and containerization (Docker, GitHub Action
  • API security: JWT, OAuth2, rate limiting, idempotent webhooks

Basic Skills

  • Python 3, Go (Golang)
  • FastAPI, Echo, aiogram, Telethon, SQLAlchemy, Pydantic
  • PostgreSQL, MongoDB, Redis (cache, pub/sub)
  • Docker, Docker Compose, NGINX, Git, GitHub Actions
  • asyncio, goroutines, gRPC, WebSocket
  • Prometheus, Grafana, OpenTelemetry
  • Web3, TronPy, Bitcoinlib
  • Structured logging, distributed tracing
  • Integrations with external APIs, LLMs, messengers, and CRM systems
  • SQL query optimization, indexes, window functions
  • i18n setup (internationalization, content localization)
  • SSR (Server-Side Rendering), SSG (Static Site Generation) and ISR (Incremental Static Regeneration) setup
  • Rendering and data optimization with React Suspense and Streaming
  • Metadata and Open Graph tags setup
  • 3D graphics: Three.js
  • Animations: GSAP

Tools and Technologies

  • Postman
  • Swagger
  • Docker
  • Docker Compose
  • Git
  • GitHub
  • GitHub Actions
  • NGINX
  • Redis
  • Prometheus
  • Grafana
  • OpenTelemetry
  • SQLAlchemy
  • Pydantic
  • asyncio
  • aiogram
  • Telethon
  • Web3
  • TronPy
  • Bitcoinlib
  • WebSocket
  • SIP

Also have experience with:

OpenTelemetry, JWT, OAuth2, bcrypt, SSH-based deployment, implementing Transactional Outbox, Unit of Work, Repository patterns, and event‑driven architecture

Projects

  1. 08.2025 – 09.2025

    Cryptocurrency exchange

    • BACKEND DEVELOPER
    • 3 SPECIALISTS ON THE PROJECT
    • – integration with blockchain networks (Ethereum, Tron, Bitcoin) via Web3, TronPy, Bitcoinlib
    • – development of exchange engine and transaction verification logic
    • – asynchronous block monitoring and incoming transaction tracking
    • – API security: JWT, rate limiting, operation idempotency

  2. 06.2025 - PRESENT

    Service for integrating CRM and messengers

    • BACKEND DEVELOPER
    • 6 SPECIALISTS ON THE PROJECT
    • – development of a microservice platform (10+ services on FastAPI and Go)
    • – implementation of the Transactional Outbox pattern for reliable message delivery
    • – integration of Telegram, WhatsApp, and Max userbot protocols
    • – integration with CRM systems via a unified router interface
    • – two‑layer authentication: JWT access/refresh, 2FA
    • – media pipeline with distributed storage and deduplication
    • – end‑to‑end observability with OpenTelemetry
    • – CI/CD setup and deployment via Docker Compose

  3. 11.2024 – PRESENT

    AI platform with multi-agent LLM system and real‑time voice

    • BACKEND DEVELOPER
    • 4 SPECIALISTS ON THE PROJECT
    • – development of a multi-agent LLM system with dynamic agent switching
    • – dynamic system prompt assembly from database and external sources
    • – real‑time AI calls: WebSocket, VAD, STT → LLM → TTS pipeline, SIP
    • – automated call auditing: transcription and evaluation based on criteria
    • – data aggregation and normalization, full‑text and geo‑search
    • – financial metrics calculation module, PDF/Excel report generation
    • – conversational interface in Telegram

  4. 09.2024 – 10.2025

    Informational Telegram bot

    • BACKEND DEVELOPER
    • 1 SPECIALISTS ON THE PROJECT
    • – development of a web server in Go with graceful shutdown
    • – Telegram Bot API integration, command routing
    • – deployment via Docker and NGINX, logging and metrics

Education

  • 2022 Saint Petersburg State Marine Technical University, internal combustion engines
  • 2021 Stepik course: Python for beginners
  • 2022 Stepik course: Python for advanced
  • 2 months of STEPIK professional development courses: test automation with Selenium and Python

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