Ostap

Last updated in March 2026

Ostap Maksymiv
+ Rzeszów, Poland # [open contact info](look above in the "contact info" section) „ [open contact info](look above in the "contact info" section)  ostapmaxportfolio.com

ð ostap-maksymiv § OstapMaksymiv

About me
A dedicated Full Stack Developer with commercial work experience and a newly completed university degree in
engineering. Diligent, highly responsible, and strictly focused on delivering efficient solutions. Equipped with
strong problem-solving and time-management skills, I enjoy tackling complex backend challenges, collaborating
with cross-functional teams, and sharing technical knowledge to drive continuous improvement.

Education
University of Information Technology and Management(UITM) Oct 2022– 2026
BS in Information Technology
◦ GPA: 4.0

Experience
Internship Full Stack Developer (Trainee) Rzeszów, Poland (Remote)
Innowise Aug 2025 - Feb 2026
◦ Engineered a scalable Instagram-clone backend utilizing a microservice architecture with NestJS for core
services and ExpressJS for a dedicated OAuth2 authentication service.
◦ Architected real-time messaging, interactive likes/comments, and system notifications by implementing Web-
Sockets and decoupled asynchronous event-driven communication via message queues (RabbitMQ/Kafka).
◦ Built a responsive, clean architecture frontend with Next.js, TypeScript, and TailwindCSS, managing com-
plex application states via Redux and optimizing data validation with React Hook Form.
◦ Containerized services using Docker and established infrastructure reliability by configuring MinIO for media
storage.
Frontend Developer Rzeszów, Poland (Remote)
Fiverr Jul 2024 - Nov 2024
◦ Engineered pixel-perfect, responsive web interfaces using React/Next.js and TailwindCSS, ensuring flawless
cross-browser compatibility and seamless UX.
◦ Translated Figma wireframes and UI/UX designs into pixel-perfect, clean, and maintainable code, ensuring
high performance across mobile and desktop devices.
◦ Optimized website loading speeds and frontend performance, improving Core Web Vitals and overall user
engagement scores for client platforms.
Full Stack Developer Rzeszów, Poland (Remote)
Swiss Krono Ukraine Jan 2023 - Dec 2023
◦ Contributed to the development of an internal enterprise web application designed for employee shift track-
ing, attendance monitoring, and workforce management.
◦ Collaborated closely with senior developers to implement full-stack features, utilizing React for interactive
frontend components and Node.js/Express for server-side logic.
◦ Assisted in database schema design and optimized API endpoints to ensure accurate, real-time logging of
employee attendance data.
◦ Translated internal operational requirements and technical specifications into functional UI modules, im-
proving the usability of the internal reporting system.

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Projects
Gatroly (HoReCa Supply Chain Platform)
GitHub Repository 2
◦ Designed and developed a full-stack B2B marketplace application tailored for the HoReCa sector to stream-
line supplier-buyer connections as a culmination project at UITM.
◦ Engineered a powerful search dashboard implementing geolocation-based radius calculations and advanced
multi-criteria filtering (pricing, category, delivery availability).
◦ Architected a secure authentication system utilizing an Access/Refresh token flow alongside scalable rela-
tional data models to ensure robust data integrity.
◦ Implemented a real-time chat infrastructure enabling instantaneous, direct communication between HoReCa
businesses and suppliers.
Technologies used: React Native (Expo), TypeScript, Node.js, Express, PostgreSQL, TypeORM, Socket.IO,
React Query, Zustand, NativeWind (TailwindCSS), Expo Router, Cloudinary, Jest, REST APIs.

Roomzee (Platform for booking and managing accommodations)
GitHub Repository 2
◦ User-friendly interface: Simple and easy-to-navigate design for an enhanced user experience.
◦ Real-time availability: Instantly check the availability of accommodations.
◦ Personalized recommendations: Get tailored accommodation suggestions based on preferences.
Used: React, GSAP (for animations), Node.js, Express, MongoDB, WebSockets, SCSS, AXIOS, Zustand ,bcrypt,
cookie-parser, cors, jsonwebtoken, nodemon, prisma

RabbitHole (Messenger to deep conversations and AI-driven analysis.)
GitHub Repository 2
◦ This project was built using Node.js and MongoDB.
◦ The application allows users to exchange messages both between themselves and with AI.
◦ It integrates the Gemini model (for basic chats) and Hume AI (for emotion analysis and generating re-
sponses).
Used: Node.js, Express.js, MongoDB, Mongoose, JWT, Tailwind CSS, Gemini and Hume AI – AI models for
analyzing and generating responses

Skills
Languages: English (B2), Polish (B2), Ukrainian (Native)
Programming Languages: JavaScript, TypeScript, Python, HTML5, CSS3, SASS/SCSS
Frameworks Libraries: React, Next.js, Node.js, NestJS, Express.js, React Native, Redux (Toolkit), Zustand,
Tailwind CSS, ShadCN, React Hook Form
Databases Cloud Storage: PostgreSQL, MongoDB, Redis (Caching), MinIO, Firebase
Architecture Messaging: Microservices, REST APIs, WebSockets, RabbitMQ, Apache Kafka, Event-Driven
Architecture
DevOps, Monitoring Tools: Docker, Docker Compose, Git, GitHub Actions, GitLab CI/CD, Swagger/OpenAPI,
Passport.js, Figma, Gemini and Hume AI

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