Андрій

Andrii Khrystoforov
Python Backend Engineer
Email: [open contact info](look above in the "contact info" section) | GitHub: Teri-anric | LinkedIn: teri-anric | Telegram: @teri_anric

Summary

Backend engineer specializing in Python and distributed backend systems. Experience designing and
maintaining production APIs, asynchronous processing pipelines, and system integrations using FastAPI,
GraphQL (Strawberry), PostgreSQL, Redis, and AWS SQS. Experienced with Kubernetes-based
deployments and infrastructure tooling including Docker and Terraform, focusing on scalable architecture and
reliable backend services.

Experience

Python Developer | Ronis Business Tools (Feb 2025 — Dec 2025)
- Designed and implemented backend services and internal system integrations using FastAPI for production
workflows.
- Implemented asynchronous processing pipelines with AWS SQS to support scalable background task
execution.
- Designed and maintained GraphQL APIs with Strawberry and supported Pyramid services for cross-system
integrations.
- Maintained Kubernetes-based deployments to keep backend services reliable in production.

Backend Developer | KostCode (2024 — Jan 2025)
- Designed and implemented backend services with FastAPI and Django for business-focused applications.
- Built and maintained Telegram integrations connecting internal and customer-facing workflows.
- Designed and delivered API endpoints with clear contracts for service-to-service communication.

Backend Developer | Star-tex (2023 — 2024)
- Designed and developed a B2B platform backend from scratch, from architecture to production delivery.
- Designed database schemas and data flows to support reliable transactional and reporting workflows.
- Implemented and maintained REST APIs with Flask for internal business systems.

Achievements

- Designed and delivered backend services supporting internal business workflows.
- Implemented asynchronous processing pipelines that improved system scalability for background tasks.
- Built multiple production APIs and integrations using FastAPI and GraphQL (Strawberry).
- Designed database schemas and backend architecture for B2B systems.
Skills

Backend: Python, FastAPI, Flask, Pyramid, Django
Databases: PostgreSQL, Redis
Infrastructure: Docker, Docker Compose, Kubernetes, Terraform
Messaging / Async: AWS SQS
API: REST, GraphQL (Strawberry), System integrations
Frontend: React, HTML, CSS
Integrations: Telegram API, Shopify API, Monobank API, OpenAI API
Education
Chervonohrad Mining and Economic Professional College (2021 — 2025)
Software Engineering program with focus on backend systems, distributed architecture, and practical
engineering projects.

Languages

Ukrainian - Native
English - Technical reading and written communication