Zakir Zhangozin

Python Backend Developer

Almaty

Summary

Python backend developer with 5+ years of commercial experience building production microservices.

I specialise in FastAPI, Kafka, Redis, and Docker, and have shipped integrations with high-volume third-party APIs (100k+ req/day), LLM-powered pipelines, and payment systems with webhook flows.

Based in Almaty (UTC+5) - comfortable with European business hours.
Open to fully remote backend roles.

Languages:

English, Russian

Favorite Python Packages:

pytest/pytest-asyncio loguru orjson

Experience

Lead Python Developer  ·  Daedalus Mind Project 2026 – Present

• Architecting and building a document processing API from scratch that auto-generates folder structures from uploaded .docx files.
• Implemented a dual-parser strategy: LLM-based extraction for unstructured documents, deterministic parser for structured ones.
• Full observability via structured logging across all pipeline stages — file ingestion, parser selection, directory creation, and reporting.

Stack: FastAPI, Docker, Uvicorn

Python Backend Developer  ·  NextGenCommerce 2023 – 2026

• Contributed to building the Silky e-commerce startup from the ground up through to production.
• Maintained code quality with a full pytest suite using fixtures and markers to catch failures at staging before reaching production.

Logistics API (FastAPI)

• Handled order data transmission across 3+ logistics providers using the Factory Pattern with provider selection via endpoint parameters and custom mappers per provider.
• Structured logging across all data transfers for full transfer observability.

Payment Service (FastAPI)

• Factory Pattern architecture supporting multiple payment providers.
• Processed payments and received confirmations via webhooks, with the active provider selectable from the mobile app.

1688 API (FastAPI)

• Integration with the official Chinese marketplace 1688 API — built from scratch including JSON parsing, data normalization, and custom interpretation of the Chinese API spec.

Taobao API (FastAPI)

• Capable of handling 100,000+ requests per day with full analysis and custom interpretation of the Taobao API spec.

Celery Beat

• Scheduled task creation to keep data fresh across all services.

Stack: FastAPI, Redis (caching), Kafka (messaging), Docker, PostgreSQL, Celery

AntiFraud Algorithm Developer  ·  Tier-2 Bank (Kazakhstan) 2021 – 2022

• Developed fraud detection algorithms for a second-tier bank's AntiFraud system.
• Wrote detection queries in SPLUNK SPL to identify fraud patterns across large log datasets.
• Processed data from both Hot Bucket (real-time logs) and Cold Bucket (historical data).
• Focused on query optimization for performance at scale.

Kotlin Mobile Developer  ·  ArboNaut 2023 – 2025

Part-time, concurrent with NextGenCommerce role

• Contributed features and bug fixes for a forest inventory management Android app used by field workers.
• Implemented UI components and form workflows to support field data collection.
• Investigated and resolved reported bugs using Android Studio debugger and logcat.
• Participated in full Agile delivery cycle: Jira ticket management, hour logging, and sprint closure.

Stack: Kotlin, Android Studio, Jira

NOTABLE PROJECTS

Hackathon — 1st Place  International Monetary Fund · Amman, Jordan

• Built a data exchange solution for Yemen's Ministry of Finance designed to operate under severely limited connectivity conditions.

Hackathon — 2nd Place  Crypto Hackathon · Almaty, Kazakhstan

• Built a synthetic training data pipeline — based on a scientific paper — to train an AI model to recognize weapons in video feeds.
• C# scripts automated variation of background, lighting, and weapon angle to generate diverse training screenshots at scale.

Nancome API — EV Charger Backend  Personal / Commercial · 2023 – Present

• Backend service for electric vehicle chargers with OCPP protocol support.
• Payment integrations with Kaspi QR and Halyk ePay (Kazakhstan payment providers).

Stack: FastAPI, Python, Docker

Skills

Celery, Docker, FastAPI, Git, Kafka, PostgreSQL, Redis, SQLAlchemy