Core languages
JavaScript
TypeScript
HTML5
CSS3
RWD
Front-end Software Engineer
Hi, I'm Jakub
I build scalable React and TypeScript applications with strong focus on code quality, architecture, performance and long-term maintainability.
7+
Years experience
600+
Mentoring hours
Enterprise
Financial & logistics systems
Warsaw, Poland
Summary
About me
Front-end Engineer with 7+ years of experience building scalable React and TypeScript applications. Currently leading global front-end infrastructure initiatives at GeoPost, driving shared architecture and localization systems across multiple engineering teams.
Focused on delivering production-grade solutions with strong emphasis on code quality, scalability, and long-term maintainability. Experienced in modern React ecosystems including Next.js and server-driven architectures.
Technical skills
Stack & tools
Frontend frameworks
React
Next.js
React Router
React Hooks
Server-driven UI
State & data
TanStack Query
React Query
Redux
REST API
GraphQL
Apollo Client
UI & styling
Material UI
Chakra UI
Tailwind CSS
Emotion
Styled Components
CSS Modules
Design Systems
Frontend tooling
Vite
Webpack
npm
Yarn
ES Modules
Component Architecture
Testing & quality
Jest
Playwright
ESLint
Prettier
Code Reviews
Clean Code
Backend basics
Node.js basics
Express basics
MongoDB
Mongoose
SQL basics
JWT
Auth basics
File uploads
Libraries & features
Leaflet
React Leaflet
Rich Text Editors
React Icons
Forms
Dashboards
DevOps & collaboration
Git
GitHub
GitLab
Bitbucket
GitLab CI/CD
Docker
Linux
Jira
AI-assisted development
Cursor
Cline
GitHub Copilot
AI Code Review
Prompt-driven Refactoring
Work experience
Professional journey
GeoPost
Front-end Software Engineer
Warsaw, Poland
Nov 2025 – Current
- • Leading front-end development for two global infrastructure projects supporting application internationalization across DPD engineering teams.
- • Architected and delivered shared translation libraries adopted organization-wide, standardizing localization workflows across multiple product teams.
- • Established front-end architectural standards, enforced code quality through systematic reviews, and improved maintainability of shared codebases.
- • Mentored engineers and influenced technical decisions impacting cross-team scalability and long-term system evolution.
Tuatara
Front-end Software Engineer
Warsaw, Poland
Apr 2022 – Oct 2025
- • Built and scaled production-grade front-end applications in React and TypeScript for enterprise financial clients including ING and Alior Bank.
- • Collaborated cross-functionally with UX/UI and backend teams to deliver high-performance, user-centered systems.
- • Refactored legacy components to improve performance, reduce technical debt, and increase reusability across projects.
- • Contributed to architecture discussions and improved development workflows within the team.
Superprof
Programming Tutor — Part-time
Remote
Sep 2022 – Current
- • Delivered 600+ hours of 1:1 programming mentoring in JavaScript and React.
- • Designed structured learning frameworks enabling students to transition from foundational knowledge to independent problem-solving.
- • Translated complex programming concepts into scalable mental models applicable in real-world development.
E-prom
Junior Full-Stack Software Engineer
Nowy Sącz, Poland
May 2019 – Apr 2022
- • Developed and maintained responsive e-commerce and business websites.
- • Collaborated with designers and SEO specialists to deliver performance-optimized web solutions.
- • Gained early exposure to production workflows and client-facing technical communication.
LinkedIn recommendations
What people say
Marcin Majka
IT Architect @ Pekao Leasing
Direct manager · October 2025
“I had the opportunity to observe Kuba’s development in the world of enterprise systems for the financial sector and in the development of our product. A kind, committed teammate, with his own ideas and bold theses regarding product development.”
Damian Zoltowski
Software Engineer
Worked in the same team · August 2024
“I had the pleasure of working with Jakub for nearly a year. He was a reliable team member, always striving to perform tasks within the sprint to the best of his ability. I value his eagerness to learn and continuously improve. Jakub stands out for his approach to the team as an integrated whole. He never left his colleagues to fend for themselves when he was around. As a team member, you could always count on his help, with no fear of refusal. If you're looking for someone who is open and trustworthy, Jakub would be an excellent choice.”
Artur Kurzydło
CEO, E-prom sp. z o.o. i Revolution Team
Direct manager · January 2023
“Kuba is a great programmer for creating websites and online stores. He worked at e-prom for 1.5 years and always showed great commitment and knowledge. All projects were polished, and clients were always satisfied. I can definitely recommend Kuba!”
Kamil Poręba
E-commerce Manager, Bielenda Group S.A
Worked in the same team · October 2022
“Jakub is a great programmer! He has strong skills in JavaScript, HTML and CSS. Working with him was a pleasure and brought a lot of good humor at work”
Education
Academic background
Currently studying Computer Science in Warsaw while continuing professional development as a front-end engineer in enterprise software environments.
Oct 2023 – Current
AFiB Vistula
Bachelor's in Computer Science
Warsaw, Poland
Contact
Let's build something reliable.
I am open to front-end engineering roles and projects focused on React, TypeScript, scalable architecture and production-grade user interfaces.