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Jhartum User

@jhartumuser

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I build Python and React systems for CRM, ERP, payments, and business integrations.

Russian Federation

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What I'm looking for

I'm looking to build and deliver production systems across backend and frontend work, especially CRM, ERP, payments, integrations, and reliable business workflows.

I've built production CRM, ERP, and payment systems with Python backends and React/TypeScript frontends for NeSchool, a fintech payment platform, and Tayga.city.

At NeSchool, I design and develop a CRM for a music school network covering leads, trial lessons, scheduling, contracts, payments, and reporting. I also built franchise-management software, integrated AmoCRM, telephony, and messaging platforms, and maintain React user flows and API integrations.

For a fintech payment platform, I built payout and Telegram Mini App backends covering requests, reservations, reconciliation, and accounting. I integrated six payment and anti-fraud providers and designed failure-safe processing with idempotency, locks, retries, and audit trails.

I take delivery from requirements and architecture through release, stabilization, documentation, and handover. My core stack includes Python, React, TypeScript, Litestar, FastAPI, PostgreSQL, RabbitMQ, Redis, and Docker.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

NeSchool

Mar 2022 - Present (4 years 5 months)

Designed and developed Python backend for a CRM used by a music school network, including leads, scheduling, payments, and reporting. Implemented AmoCRM integration and internal management software for franchise network management.

Python React TypeScript Litestar fastAPI PostgreSQL SQLAlchemy RabbitMQ Redis Docker Swarm

Software Engineer

Fintech Payment Platform

Apr 2025 - Feb 2026 (10 months)

Designed and built backend for a payment platform and Telegram Mini App, handling payout lifecycle, provider integrations, and financial correctness under failures. Integrated six payment and anti-fraud providers, automating previously manual operations.

Python Litestar PostgreSQL SQLAlchemy Asyncpg Alembic msgspec HTMX Pytest S3 Docker Kotlin Ktor Appium

Python Backend Developer

Tayga.city

Jun 2021 - Apr 2022 (10 months)

Implemented backend for property inquiry forms with GraphQL mutation, phone validation, lead persistence, and email notifications. Maintained Celery image processing and Yandex Object Storage integration, fixing bugs and adding tests.

Python Django GraphQL Celery PostgreSQL Redis