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Hi, I'm Piotr Capecki
Full-stack developer
From Spring Boot APIs to React interfaces. One pair of hands.
Built with modern technologies
About Me
Studying Computer Science.Writing Java at Sii.
Third year at Gdynia Maritime University. I write the backend in Spring Boot, the front end in React, and study cybersecurity after hours.
Experience
Sii Poland
Intern Software Engineer (Java Developer)
Jul 2026 – present
GastroPro
Software Engineer
Dec 2025 – present
Full-stack SaaS for gastronomy businesses · Java · Spring Boot · React
Focus areas
Backend Architecture
Spring Boot, Java, PostgreSQL
Frontend Development
React, Next.js, TailwindCSS
Cybersecurity
Secure by design principles
DevOps & Deployment
Docker, CI/CD, Linux
Selected Projects
Recent commercial work.
Frequently Asked Questions
I'm Piotr Capecki, a full-stack Java developer from Gdynia, Poland. I work as an Intern Software Engineer (Java Developer) at Sii Poland and as a Software Engineer at GastroPro. I'm also a 3rd-year Computer Science student at Gdynia Maritime University, specializing in Web and Mobile Applications.
My core stack is Java and Spring Boot on the backend, with React and Next.js on the frontend. I also work with PostgreSQL, Docker, Redis, RabbitMQ, Nginx and Linux, which covers everything needed to build and ship production systems.
I build web applications and full-stack systems: REST APIs and services in Spring Boot, React interfaces and websites for businesses. Recent work includes GastroPro, a SaaS platform for gastronomy, and the website of Trzecia Połowa, a restaurant and event space at the Gdynia Municipal Stadium.
Yes, I'm available for work and open to new projects and job opportunities. Write to me through the contact form on this site or directly at kontakt@piotr-capecki.pl.
I'm based in Gdynia, in the Tricity area (Gdańsk, Gdynia, Sopot), Poland. I work on site and fully remotely.
The easiest way is the contact form on this site or an email to kontakt@piotr-capecki.pl. You can also message me on LinkedIn or see my work on GitHub.