Vitalii

Vitalii Lutsyk
+ Lviv, Ukraine # [відкрити контакти](див. вище в блоці «контактна інформація») ð Vitalii Lutsyk § Vitalii-pr

Profile
Skilled Python Backend Developer with a strong understanding of algorithms, data structures, and system design.
Experienced in building scalable APIs, integrating external services, and optimizing performance. Familiar with
cloud solutions and deploying secure, high-performance applications. Passionate about solving complex problems
and creating efficient, reliable backend systems.

Technical Skills
Languages: Python, JS, TypeScript
Frameworks: Django, FastAPI, DRF, React, Next.js
Data Layer: PostgreSQL, DynamoDB, Redis, Amazon S3
Messaging: RabbitMQ, SQS, Redis

Work Experience
Software Engineer Remote
Recruo Mar 2025 - Oct 2025
◦ Designed and maintained PostgreSQL and DynamoDB databases to ensure scalable and reliable data storage.
◦ Built and optimized web applications using Next.js for high performance and SEO-friendly front-end devel-
opment.
◦ Integrated and managed AWS services to support backend infrastructure and deployment pipelines.
◦ Implemented and maintained Amazon S3 for efficient file storage and retrieval.
◦ Configured and managed AWS Cognito for secure authentication and user management.
◦ Automated infrastructure provisioning and deployment using AWS CloudFormation.
◦ Integrated Langfuse for observability, monitoring, and performance tracking of applications.
Backend developer Remote
Apertura Nov 2023 - Jan 2024
◦ Designed and optimized PostgreSQL database schemas for high-performance queries.
◦ Developed and maintained RESTful API using Django REST Framework.
◦ Implemented authentication and authorization using JWT and Django’s built-in mechanisms.
◦ Implemented caching mechanisms using Redis to reduce database load.
◦ Deployed and managed services on AWS ECS Fargate for scalable and serverless container management.
◦ Utilized AWS S3 for storing and managing user-uploaded files securely.

Projects
Cucumunnity GitHub 2
◦ Developed a social media backend, enabling user authentication, profile management, posts, comments, likes,
and followers. Implemented media uploads and optimized content feeds for efficient performance. Deployed
on cloud infrastructure with secure authentication and well-structured API endpoints.
◦ Tools Used: Python, FastAPI, PostgreSQL, S3, AWS
AI Code Review GitHub 2
◦ Created API service for checking code quality for GitHub repository using OpenAI API. Used Redis and
asyncio for API calls to external APIs
◦ Tools Used: Python, FastAPI, Redis, OpenAI API

Education
Ukrainian Catholic University Sep 2023 - May 2027
Bachelor degree in Computer Science