Oleksandr Kravchuk
Hallandale Beach
Summary
I am a seasoned Python developer with 8+ years of experience in designing, developing, testing, and deploying high-quality software solutions for corporate clients and government agencies. The past 7+ years, have been working as a Senior Python Developer supporting companies in the US & Canada. My track record of success includes developing scalable and robust applications, implementing cutting-edge technologies, and delivering projects on time and within budget. As a skilled communicator and collaborator, I have a proven ability to build strong relationships with management, clients, and key stakeholders, ensuring project goals are met and exceeded. With excellent leadership skills, I motivate and inspire teams to work collaboratively towards a common goal, even in dynamic and challenging environments. Overall, I bring a wealth of technical expertise, leadership, and communication skills to any team or project, and I am committed to driving innovation and delivering exceptional results.
Overview
8
8
years of professional experience
Work History
Senior Python Developer
Jabil
Kyiv
11.2020 - 12.2023
- Remote position; worked with a client from Florida, USA
- Designing ETL and tech solutions in collaboration with the team for better end-user experience involved in QA, Frontend, and Product Owner discussions
- Optimized speed of business-critical flows using DB analysis (indexes, query profiling) and code refactoring (including code profiling) (not possible without tests on top of the old codebase)
- Build and design features that could be iteratively scaled using Agile approach using: Feature Flags, Data Migration
- Tasked with designing and building robust, resilient, and scalable technical solutions in collaboration with project owners.
- Drive software delivery through prototyping exercises to solicit early user feedback and discover appropriate solutions
- Perform a variety of other tasks, to include preparing/documenting design and program specifications and unit testing and integration testing on software components.
- Provide knowledge transfer to team members and support staff through application demos, walkthroughs, and documentation.
- Technologies: Python, Flask, SQLAlchemy, PostgreSQL, Docker, Docker Compose, Kubernetes
Python Developer
HealthJoy
Kyiv
05.2020 - 02.2021
- Remote position; worked with a client from Chicago, USA
- Building and designing new services with the ability to serve authentication and data exports with member benefits using REST with RPC
- Refactored old code to provide, extend and migrate old features that require incapsulation into service and management classes inside the monolith
- Working with Python 2 and Python 3 codebases, with further migration into 3 version
- Integrated CI/CD practices with code standards using black, flake8, GitLab, docker
- Optimised speed of business-critical flows using DB analysis (indexes, query profiling) and code refactoring (including code profiling) (not possible without tests on top of the old codebase)
- Designing APIs and tech solutions in collaboration with the team for better end-user experience involved in QA, Frontend, and Product Owner discussions
- Build and design features that could be iteratively scaled using Agile approach using: Feature Flags, Data Migration
- Technologies: Python, Flask, FastAPI, Marshmallow, SQLAlchemy, Pydantic, PostgreSQL, Redis, RabbitMQ, Docker, Docker Compose, Docker Swarm, Kubernetus, AWS (ECS, ECR, RDS, S3), Sentry
Python Developer
Sportech LLC
Kyiv
09.2019 - 04.2020
- Onsite position; worked with a client from London, UK
- Building and designing new services
- Maintaining old services
- Refactored old code to provide, extend and migrate old features that require incapsulation into service and management classes inside the monolith
- Working with Python 2 and Python 3 codebases, with further migration into 3 version
- Integrated CI/CD practices with code standards using black, flake8, docker
- Optimised speed of business-critical flows using DB analysis (indexes, query profiling) and code refactoring (including code profiling) (not possible without tests on top of the old codebase)
- Designing APIs and tech solutions in collaboration with the team for better end-user experience involved in QA, Frontend, and Product Owner discussions
- Build and design features that could be iteratively scaled using Agile approach
- Technologies: Python, Django, DRF (Django Rest Framework), Flask, SQLAlchemy, Peewee ORM, PostgreSQL, RabbitMQ, Redis, Celery, Docker, Docker Compose, AWS (EC2, RDS, S3, ECS, ECR, ELB)
Team Lead
RetargetAPP
Kyiv
05.2017 - 09.2019
- Onsite position; worked with a client from Los-Angeles, USA
- Provided proactive vision on a tech solution for the current product stack
- Developing and leading new features
- Implemented TDD in the legacy codebase - increased stability and predictability of complex business pipeline
- Optimised speed of business-critical flows using DB analysis (indexes, query profiling) and code refactoring (including code profiling) (not possible without tests on top of the old codebase)
- Able to grow developers to Senior Level in our team and improve the quality of deliveries
- Designing APIs and tech solutions in collaboration with the team for better end-user experience involved in QA, Frontend, and Product Owner discussions
- Build and design features that could be iteratively scaled using Agile approach using: Feature Flags, Data Migration
- Technologies: Python3, Django, DRF (Django Rest Framework), RabbitMQ, Celery, MariaDB, Redis, AWS (EC2, RDS, S3, IAM, VPC, ELB), Sentry, Microservices, New Relic
.NET Developer
UNITY-BARS
Kyiv
01.2016 - 05.2017
- Development and support banking systems
- Provided proactive vision on a tech solution for the current product stack
- Designing APIs and tech solutions in collaboration with the team for better end-user experience involved in QA, Frontend, and Product Owner discussions
- Technologies: JavaScript, AngularJS, JQuery, Kendo UI, Bootstrap, С#, ASP.NET MVC, Oracle Database, Rest API
Education
Bachelor of Science - Computer Engineering
National Technical University of Ukraine 'Kyiv Pol
Kyiv, Ukraine09.2017
Skills
- Language: Python
- Python Frameworks: Django, Django Rest Framework, Flask, FastAPI, SQLAlchemy, PeweeORM
- Tools: Pandas
- API Design and Development
- Source and Version Control: Git, Github
- RDMS Development and SQL
- Amazon Web Services
- Linux Environments
- Web Programming
- RESTful Web Services
- Messaging Frameworks: RabbitMQ, Redis
- Databases: PostgreSQL, MariaDB
- Agile/Scrum Methodology
- Object-Oriented Programming
- Code and Quality Standards
Timeline
Senior Python Developer
Jabil
11.2020 - 12.2023
Python Developer
HealthJoy
05.2020 - 02.2021
Python Developer
Sportech LLC
09.2019 - 04.2020
Team Lead
RetargetAPP
05.2017 - 09.2019
.NET Developer
UNITY-BARS
01.2016 - 05.2017
Bachelor of Science - Computer Engineering
National Technical University of Ukraine 'Kyiv Pol
Similar Profiles
Orlando RodrigueraOrlando Rodriguera
Jabil Scholar Intern at JabilJabil Scholar Intern at Jabil
Dahjenae TerryDahjenae Terry
Rack Tester at JabilRack Tester at Jabil
Jeancy MakusuJeancy Makusu
Assistant Production Supervisor at JabilAssistant Production Supervisor at Jabil