Arhip

Arhip Dolya
Python Developer

About me
Tech enthusiast using diverse skills to create positive
change through innovation.
Contact
Skills
Phone Python, Django, FastAPI, BlackSheep, LangChain,
Docker, PostgreSQL, MySQL, Clickhouse, InfluxDB,
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MongoDB, Redis, AWS S3 (MinIO), Celery, RabbitMQ,
Email
Kafka, Grafana, Prometheus, Loki, Kibana, Linux
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Telegram Work experience
@ArhipDolya
Backend Engineer CheckBox
Viber August 2024 - February 2025
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Developed warehouse transfer system with GIN TRGM
search optimization and RESTful APIs, improving
Languages inventory tracking through efficient database indexing.

Enhanced digital signature registration service by
English - Upper implementing Kafka event-driven architecture, replacing
intermediate (B2) HTTP callback mechanisms with direct producer-
consumer communication, resulting in reduced latency
Ukrainian - Native (C2) and improved system reliability through asynchronous
processing.
Russian - Native (C2)
Led comprehensive test coverage improvement initiative,
expanding test coverage from 32.4% to 86.2% for critical
business service, ensuring robust code quality and
References reducing production issues.
GitHub
Implemented a distributed task processing system using
https://github.com/Arhip Celery that improved payment processing performance
Dolya through consistent hash-based routing and queue
LinkedIn partitioning.
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arhip-dolya-4523bb217/
Backend/LLM Engineer XAgencyAI
October 2023 - July 2024

Developed and enhanced AI models using LangChain,
employing Langsmith for performance metrics and
prompt optimization, leading to improved model
efficiency.

Engineered and launched a high-performance FastAPI
microservice for efficient file transcription, improving
processing speed and scalability.

Implemented CI/CD pipelines, improving deployment
efficiency.

Set up automated pre-commit hooks to enforce
consistent coding standards, improving code quality and
team collaboration.

Backend Developer Atmo
October 2022 - September 2023

Engineered high-performance Django Rest Framework API
endpoints for an air quality monitoring platform, optimizing
data processing and retrieval.

Increased system reliability by implementing a dead letter
exchange in RabbitMQ.
Set up Prometheus, Grafana, and Loki for monitoring and
logging.