z
zerq98

Mateusz Trybula

@zerq98

Full Stack Web and Mobile App Development React Node TypeScript

Poland
English, Polish
About me
Full-stack developer turning ideas into working software. I build custom web + mobile apps (React, React Native, Node, TypeScript), convert visual prototypes to production code, and automate business processes (n8n, Make). 5+ years IT experience. Stack: React, React Native, Expo, Node, TypeScript, Supabase, Azure, Docker. Shipped SaaS backends, offline-first mobile apps, integrations, process automations. Work with startups and established companies. Same rigor either way. Let's build something real.... Read more

Skills

z
zerq98
Mateusz Trybula
Offline • 
Average response time: 1 hour

See my services

Custom Websites
I will turn your ai prototype into production ready code
From$150 / projectMore details
Full Stack Web Applications
I will build your custom application
From$500 / projectMore details

Portfolio

Work experience

Software Developer

PKO Bank Polski S.A. • Freelance

Apr 2023 - Present • 3 yrs 1 mo

Architected and modernized loan processing pipelines for Poland's largest retail bank. Built and maintained .NET backend services and React frontend applications handling high-volume financial transactions. Contributed to modernization of legacy systems, improving system reliability and developer experience. Worked within strict regulatory and security requirements for financial software.

Founder/Solo developer

Mateusz Trybuła Software • Self-employed

Apr 2023 - Present • 3 yrs 1 mo

Full-stack development across custom web and mobile applications. Specialize in building production-ready software from zero: full ownership of architecture, deployment, and operational support. Services include custom React/React Native applications, converting prototypes to production code, and business process automation (n8n, Make). Current: Shipping offline-first mobile applications, SaaS backends, and integrations for startups and established companies.

Software Developer

DPS Software Sp. z o.o. • Full-time

Jan 2021 - Apr 2023 • 2 yrs 3 mos

Developed and maintained .NET and Angular-based addons and software solutions for engineering workflows. Created integrations with Solidworks CAD systems and enterprise ERP platforms. Worked on custom modules, bug fixes, and system modernization across multiple technical stacks. Collaborated with engineering teams to translate complex domain requirements into scalable software.