Особисті дані приховані

Andrii Zaliubovskyi
Software Engineer (Go, Python, JavaScript) [ Github Ln Email]

PROFESSIONAL SUMMARY
Results-driven Software Engineer with expertise in Go, Python, and JavaScript, specializing in scalable
backend architecture, REST API development, and cross-platform integrations. Proven ability to design
high-performance systems leveraging concurrency, containerization, and cloud infrastructure, with a strong
focus on delivering robust technical solutions from system logic to UI implementation.

TECHNICAL SKILLS
• Languages: Go, Python, JavaScript, SQL, R
• Backend & Frameworks: Gin, Echo, Fiber, net/http, FastAPI, Django, REST API, gRPC
• Frontend & Mobile: React, React Native, Expo, Vite, Tailwind CSS, HTML, HTMX
• Databases: PostgreSQL, MySQL, MongoDB, Redis, SQLAlchemy, GORM
• DevOps & Cloud: Docker, Docker Compose, Kubernetes, GCP, AWS, CI/CD (GitLab, GitHub),
RabbitMQ, Kafka
• Tools & Testing: Postman, Pandas, NumPy, Matplotlib, Unittest

EXPERIENCE
Software Engineer (Golang, Python) | (self-employed) Jul 2025 – present time

• Backend development for implementing business logic, integration with third-party services.

• Analysis and processing of third-party technical documentation for integration needs, nding the
causes and eliminating vulnerabilities and bugs in product services.

• Working with Telegram Bot APIs and other messenger platforms (WhatsApp, Viber, etc.), analysis
and processing of third-party technical documentation for integration needs

Data Solution Engineer (Python) | Atorus (Remote) Feb 2025 – Jun 2025

• Supported multiple statistical and clinical data science projects simultaneously, ensuring data
integrity and processing ef ciency.

• Developed, validated, and maintained specialized packages and libraries in Python and R.

• Collaborated on end-to-end software product design and development, bridging the gap between
user interface design and backend technical implementation.

• Authored comprehensive technical speci cations and maintained the codebase using Git and
continuous integration best practices.

Software Engineer (Golang) | Freelance.io (Remote) May 2022 – Sep 2024

• Designed and implemented scalable backend architectures for various web applications and services.
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 • Engineered high-performance APIs in Go, heavily leveraging goroutines and channels to ensure
ef cient concurrency and high throughput.

• Built and deployed containerized microservices utilizing Docker and AWS, con guring and
maintaining local, staging, and production environments.

• Developed backend logic for specialized platforms, including state management systems capable of
dynamic updates like modifying weekly prize funds and tracking user states.

• Implemented robust rate-limiting systems and optimized data ow using advanced database caching
strategies.

• Implementation of new technologies and approaches in development, search and implementation of
optimal technical solutions.

Python Engineer | ITCapital (Remote) Feb 2021 – Mar 2022

• Engineered full-stack web applications and complex CRM systems, focusing primarily on highly
available backend development.

• Collaborated closely with cross-functional teams and project managers to clarify requirements and
implement optimal technical solutions.

• Ensured high code quality and reduced bug rates by utilizing automated testing tools and writing
extensive technical documentation.

TECHNICAL PROJECTS
• High-Performance Bot Middleware: Engineered a highly ef cient rate-limiting system for a
Telegram bot, utilizing atomic Redis operations and custom Lua scripting to manage request ow
and prevent system overload.

• Web3 Mobile Application: Developed a cross-platform Snake Game utilizing React Native and the
Expo framework. Integrated Web3Modal and Wagmi providers to enable secure blockchain
connectivity and seamless NFT skin minting interactions.

• Secure API Services: Built and deployed scalable FastAPI and RESTful applications with advanced
authentication and authorization protocols.

• Roulette game: gami ed services within messengers like Telegram, WhatsApp etc., gaming
solutions that attract, retain and monetize audiences, including automation, mailings, analytics.

CERTIFICATIONS
• Professional Google Cloud Developer – Google Cloud Platform (GCP)

EDUCATION
National Academy of Internal Affairs

• Master's Degree in Law

• Bachelor's Degree in Law
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LANGUAGES
• Ukrainian (Native)

• English (Fluent)

• Russian (Fluent)

• German (Conversational)

• Polish (B1)