Dmytro "Dio" Ohorodnik

• Successfully led the development of an inventory management system. Team size: 5-8 people. Within a year, we developed the software from the ground up, enabling it to efficiently handle a high volume of packages.
• Continued leading the team on other projects.
• Implemented Domain-Driven Development methodology in our company.
• Throughout my leadership, I made sure to keep a good balance between introducing tech debt and fulfilling business needs in a fast-paced start up environment.

• Worked with project managers, developers, quality assurance and customers to resolve technical issues
• Performed refactoring
• Promoted clean and performant code

Tech: Python, Postgres, AWS, Django, Docker, Lambda, Terraform, Kubernetes

Main backend developer in Data Collection team. Responsible for such crucial things as:

• On time launch of surveys for employer branding and collecting respondents' data
• Calculating salary estimations and employer recommendations for respondents
• Refactoring and maintaining quality of codebase
• Data migrations with millions of respondents' data

Tech: Python, Postgres, DynamoDB, AWS, Elasticsearch, Microservices, SQS, Distributed Systems, Docker etc.

• Quickly learned specifics of the system and the business domain to start working ASAP. Saved multiple release deadlines.
• Backend Development in Python: Flask, graphene, SQLAlchemy, Dependency Injector, PostgreSQL
• Backend Development in Kotlin: http4k, kotlin-graphql, HOCON, PostgreSQL
• DevOps: Bash, Gitlab CI, Docker, Linux

• Developing applications on e-commerce platform Shopify from scratch, that attracted recurring paid users in the first months.
• Backend: Django Rest Framework, FastAPI, Celery, Dramatiq, Redis, opencv2, Postgres
• Frontend: React, Redux, Material UI
• DevOps: DigitalOcean, nginx, gunicorn, uvicorn, Linux, bash, Docker.

I was rated TOP-1 in "Python" and "Machine Learning" categories on the largest freelance site in Post-Soviet states.

• Web-development: Django, Flask
• Chatbot development: aiogram
• Web-crawling: requests, bs4, selenium, scrapy
• Machine learning & NN: scikit-learn, tensorflow, keras
• Data Science: matplotlib, pandas and numpy
• Computer Vision: opencv2
• Profile URL: https://freelancehunt.com/freelancer/slado122.html