Contact information

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Work experience

Full stack developer

from 05.2024 to now (1 year 11 months)
Taproot Solutions Inc, Remote (IT)

-Designed and developed high-performance backend services using Python (FastAPI, Django), delivering RESTful APIs for dataintensive applications in a microservices architecture.
-Integrated AI and LLM features using OpenAI API and LangChain, building pipelines for data preprocessing and workflow automation.
-Developed frontend applications using React and TypeScript, connecting UI components with backend services and AI outputs.
-Built distributed task processing pipelines using Celery and AWS SQS/ SNS, enabling reliable background processing and improving system throughput under peak load.
-Engineered complex data transformation workflows using Pandas, NumPy, and PySpark, handling large-scale structured and semistructured datasets.
-Led the migration and optimization of PostgreSQL queries, improving execution performance and reducing response latency across critical endpoints.
-Implemented robust authentication and authorization mechanisms using JWT, OAuth2, and RBAC, securing multi-tenant environments.
-Containerized services with Docker and deployed to cloud environments (AWS & GCP) with CI/ CD automation , ensuring reliable and repeatable releases.
-Maintained high engineering standards through Pytest-based automated testing, statistical data validation, code reviews, and proactive collaboration with product and frontend teams.

Fullstack Developer

from 01.2020 to 04.2024 (4 years 4 months)
Biztree, Remote (IT)

-Developed and maintained scalable backend services using Python (Django, FastAPI) and PostgreSQL, supporting high-traffic
web applications in production environments.
-Contributed to frontend development using React and Angular, integrating them with backend APIs, and maintaining consistent UI/UX across modules.
-Implemented authentication, authorization, and role-based access control, securing web applications.
-Managed SQL and NoSQL databases, designing schemas, indexing, and optimizing queries for performance and scalability.
-Containerized services using Docker, supported deployments on AWS, Azure, and GCP, and automated builds and testing through CI/CD pipelines.
-Participated in Agile/Scrum workflows, sprint planning, and peer code reviews, improving team collaboration and delivery speed.

Web Developer

from 07.2016 to 12.2019 (3 years 6 months)
Upwork, Remote (IT)

-Developed backend services using Python and Java, implementing RESTful APIs and background processing tasks across multiple client projects.
- Built frontend components using JavaScript, React, and Angular, connecting interactive UI elements to backend APIs.
- Worked with MySQL and PostgreSQL, handling schema design, query optimisation, and database maintenance.
- Implemented authentication flows and contributed to application security improvements across delivered projects.
- Wrote unit tests, performed debugging, and contributed to code reviews, improving project reliability and maintainability.
- Used Git for version control and followed Agile development practices throughout all sprint deliveries.
- Communicated progress and technical decisions clearly within cross-functional teams, supporting consistent and predictable delivery.

Education

University of California, Berkeley

Computer Science, Dnipro
Higher, from 2012 to 2016 (4 years)

Knowledge and skills

• Adaptability
• JavaScript
• Git
• React
• GitHub
• Node.js
• TypeScript
• PostgreSQL
• Docker
• SASS
• MongoDB
• Django
• FastAPI
• Tailwind CSS
• Material UI
• Vue.js
• Angular
• Kubernetes
• RabbitMQ
• Agile
• Jira
• OpenAI
• Python
• Elasticsearch
• GraphQL
• AI integration
• REST API
• Unit testing
• LangChain
• Redux
• NgRx
• Vuex
• Postman
• AI prompting
• CSS
• HTML
• Next.js
• Figma
• SEO
• JSON Web Token
• Administration of RBDMS
• Golang
• PyTest
• Celery
• Redis
• Apache Kafka
• Pandas
• NumPy

Language proficiencies

English — advanced