Oleksandr Yudkin :: Senior Software Engineer

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Profile Summary

Engineer with over 10 years of experience in developing complex backend systems. I solve business problems through code. Expertise in R&D, Fintech, and MedTech. Advocate for automation, self-hosted infrastructure, and clean, maintainable code. Currently focused on building autonomous AI agents (PydanticAI, LangGraph) and scalable microservices in Python. Passionate about tackling complex challenges and exploring emerging technologies.

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Experience

Remedico (UAE)

Health-tech startup specializing in digitalizing dental clinics using cutting-edge technologies.

Developed a comprehensive ERM system for dental clinic management, featuring patient databases, appointment scheduling, and electronic health records.
Integrated external services, CRMs, and monitoring systems.
Developed the backend for a VR application on Meta Quest.
Implemented payment systems and subscription management.
Integrated LLMs and AI agentic systems.

PythonDjangoRestFrameworkPostgreSQLCeleryStripeWebsocketsRedisDockerLLMAI AgentsMCPOllamaPydanticAILangGraphRAG

Home Mortgage Advice (Canada)

International Fintech platform for digitalizing mortgage lending in Canada.

Led the design and development of digital services based on microservices architecture.
Developed a CRM system and configured integrations with external services, significantly improving communication quality and speed for brokers, lawyers, and appraisal experts.
Integrated the product with Canadian public registries for real-time application status updates.
Developed an AI assistant system for brokers and clients, which reduced support tickets by 70%.

PythonDjangoRestFrameworkPostgreSQLCeleryKafkaWebsocketsRedisFastAPIDropboxDockerLLMAI AgentsMCPOllamaPydanticAILangGraphRAG

Fornex (Spain)

International hosting provider (VPS/Dedicated) with its own infrastructure across the EU and USA.

Developed the backend for a high-load product serving 500K users using Python and Golang.
Built an internal billing system and integrated external payment gateways for deposits/withdrawals (banks and crypto exchanges).
Created a dedicated service for media content processing.

PythonGolangDjangoRestFrameworkPostgreSQLMongoDBCeleryStripeCoinbaseWebsocketsRedis

Bitfury (Netherlands / International)

Global technology holding and a leading Bitcoin mining infrastructure provider, evolved into a blockchain ecosystem including ASIC chips, data centers, and AI solutions.

Developed internal tools for the Hardware department used in chip design for miners.
Conducted R&D for hardware and software projects within the blockchain sector.
Performed research on algorithmic efficiency.

PythonGolangCJavaTensorFlowDjangoReactPandasNumPy

Various International Companies

A decade of experience developing complex systems for startups and major businesses across the USA, EU, and Ukraine.

Lead Software Engineer / Architect at LiveBetter (Switzerland) and EDICASoft (Portugal) — CRM design and rental process automation.
Software Engineer at WeSoftYou (USA), Kvartirkov, and KeyUA (Ukraine) — developing SaaS platforms, high-load rental services, and microservices using Python/Django.
Webmaster & Researcher at Internet Copyright Management — developing internal tools for copyright monitoring and protection.

PythonDjangoDRFPostgreSQLRedisCeleryWebsocketsElasticSearch

CodingBro (Freelance)

Managed development for several projects, including requirements engineering, task decomposition, planning, execution control, and talent acquisition.

DrPoghosyian - Plastic surgery clinic in Armenia. Website and CRM development.
Leenmo - Health & Beauty startup in Armenia. CRM and booking system development.
Vetsapp - Swiss telemedicine startup. Patient records, billing, and online video calls.
Kauzio - Swiss investment startup. Full-cycle real estate investment service with yield calculation.
Axpo Group - Corporate projects for a major energy company headquartered in Switzerland.
Flatdate - Swiss startup for co-living in Europe. Developed a matching algorithm based on interests and habits.

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Projects

Django Soft Delete

A Django package that brings soft deletion capabilities to the standard Django ORM.

github.com/san4ezy/django_softdelete/

Octopus

A multi-agent system for building intelligent, graph-based agent logic, task orchestration, and custom knowledge base integration.

Leenmo

Health & Beauty startup in Armenia. CRM and booking platform development.

leenmo.am

FastCoinExchange SDK

Python SDK for the FastCoinExchange cryptocurrency exchange service.

github.com/san4ezy/fastcoinexchange-python

DRF Gears

A collection of utility tools for building robust Django Rest Framework applications.

github.com/san4ezy/drf-gears

Django Boilerplate

Comprehensive Django project starter kit featuring best practices, Docker integration, and PyTest setup.

github.com/san4ezy/django-boilerplate

Django MSGS

A Django package providing tools for rapid integration with Email and SMS gateways (SendGrid, Twilio, Mailgun, etc.).

github.com/san4ezy/django_msgs

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Languages

Ukrainian Native (Native)

English Intermediate (B1)

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Professional Skills

PythonDjangoRestFrameworkPostgreSQLCeleryRedisDockerLLMAI AgentsVRBlockchainRAGCRMMicroservicesGolangAstroReact