Hello, I'm
Jakub Zajkowski
Junior Software Engineer & CS Student
Warsaw University of Technology • 3rd Year
About me
Software Engineer
A highly motivated aspiring Software Engineer with hands-on experience building modern web applications and integrating AI-driven solutions. Programming since 2nd year of technical high school, continuously evolving through real-world projects and cutting-edge technologies.
Professional Journey
Frontend Intern
Ringier Axel Springer • WarsawJuly 2025 – October 2025
Participated in designing and implementing frontend application from scratch using React, TanStack Query, Tailwind CSS, and Shadcn UI, with TypeScript ensuring accessibility and modern design standards. Contributed to building an MVP with key features, scheduled for deployment to thousands of journalists. Contributed to AI-powered functionality by integrating frontend components with LLM-based services, enhancing the product’s interactivity and value.
Junior Fullstack Developer
EnviroSolutions • WarsawNovember 2023 – December 2024
Delivered 5+ client projects leveraging Open Source solutions like Lizmap, Apache Superset, and GeoServer including for ARIMR and IBL, using technologies such as Spring Boot, Docker, React, PHP and PostgreSQL. Built a PWA using React for drone-based AI analysis of forest health and extended Apache Superset (React) functionality to meet project-specific requirements. Streamlined authentication processes, reducing redundant logins by 50% with a custom plugin (Spring Boot), boosting efficiency and user experience. Developed a Spring Boot service for real-time location data processing of 50+ vehicles. Integrated with external APIs and Merging Maps, enabling efficient analysis, visualization, and seamless deployment using Docker.
Education & Growth
Warsaw University of Technology
Applied Computer Science • Currently in 3rd year • Expected 2027
Pursuing advanced concepts in software engineering and applying theoretical knowledge to real-world challenges.
“Driven by a passion for exploring new technologies and a relentless determination to achieve goals, I love creating and seeing my work come to life.”
Core Technologies
My Skills
JavaScript
I can code in vanilla js and make websites interactive
React
I can build dynamic web applications by creating interactive user interfaces, managing state and data flow, handling events, and integrating with other libraries or frameworks for additional functionality.
Node.js
I can develop server-side applications and build scalable network applications
Sass
I can style and visually enhance web pages, creating beautiful and responsive layouts, customizing fonts, colors, and animations, and implementing design elements that improve user experience and interactivity.
Java
I can develop efficient, scalable applications using Java, leveraging its object-oriented features, libraries, and frameworks for building robust back-end solutions.
AI
Experienced in working with AI models, including Copilot and other generative AI tools, to enhance productivity and create innovative solutions.
Git
I can efficiently manage and track changes in my codebase, collaborate with others on projects, branch and merge code
AWS
I can leverage a wide range of cloud services and solutions to build, deploy, and scale applications
My Projects
Personal Projects
Side projects showcasing full-stack development, creative problem-solving, and modern technologies
Co-Write
AI-Powered Note-Taking Platform
Full-stack microservices application with AI assistant powered by Google Gemini. Features real-time collaboration via WebSockets, secure JWT authentication, and comprehensive monitoring with Prometheus + Grafana.

Honey Valley
E-Commerce Platform
Full-stack e-commerce web application with user authentication, shopping cart, and Stripe payment integration. Built with modern React patterns and scalable Node.js backend architecture.

Apple Website Clone
E-Commerce Experience
Pixel-perfect recreation of Apple's website with full e-commerce functionality. Features product browsing, detailed views, secure checkout with Stripe, and responsive design across all devices.

xChange
Currency Exchange Platform
Financial web application displaying real-time currency prices, historical charts, and latest financial news. Built with PHP Laravel and modern frontend technologies for optimal performance.
