matixyo
Mateusz Juszczyk
Wroclaw, Poland
CodersRank Score

What is this?

This represents your current experience. It calculates by analyzing your connected repositories. By measuring your skills by your code, we are creating the ranking, so you can know how good are you comparing to another developers and what you have to improve to be better

Information on how to increase score and ranking details you can find in this blog post.

175.1
CodersRank Rank
Top 4%
Highest experience points: 0 points,

0 activities in the last year

TypeScript
TypeScript
38
exp.
Top 21% out of 118K Worldwide Top 31% out of 722 Poland
CSS
CSS
15.3
exp.
Top 31% out of 266K Worldwide Top 33% out of 1K Poland
JSON
JSON
29.2
exp.
Top 28% out of 283K Worldwide Top 38% out of 1K Poland
JavaScript
JavaScript
9.3
exp.
Top 54% out of 279K Worldwide Top 62% out of 1K Poland
HTML
HTML
15.6
exp.
Top 30% out of 292K Worldwide Top 36% out of 1K Poland
C
C
25.3
exp.
Top 14% out of 122K Worldwide Top 13% out of 581 Poland
C++
C++
26.5
exp.
Top 16% out of 87K Worldwide Top 18% out of 460 Poland
Python
Python
11.3
exp.
Top 38% out of 165K Worldwide Top 41% out of 706 Poland
ReactJS
ReactJS
Top 33%
NextJS
NextJS
Top 38%
NestJS
NestJS
Top 68%
NodeJS
NodeJS
Top 61%
TypeORM
TypeORM
Top 88%
Angular
Angular
Top 94%
RxJS
RxJS
Top 92%
Supertest
Supertest
Top 96%
D3
D3
Top 100%
Material UI
Material UI
Top 96%
List your work history, including any contracts or internships
Neti
Jun 2025 - Jan 2026 (7 months)
Remote
Javascript Engineer
Worked on a production crypto wallet frontend, focusing on usability and reliability. Contributed to extending a blockchain explorer platform by building new features across the frontend (Next.js) and backend (Rust). Led the development of a custom SaaS product, owning architecture decisions, delivery, and cross-functional coordination.
typescript ReactJS blockchain nest.js GraphQL tailwindcss next.js vite vitest playwright postgresql prisma
TopTal
Sep 2022 - May 2025 (2 years 8 months)
Remote
Software Developer
As part of Toptal, an elite network of top developers, I deliver end-to-end backend and frontend solutions for clients in the mapping and GIS space, with a focus on Mapbox-based applications. I help businesses create scalable, map-driven platforms aligned with their operational and strategic goals.
mapbox gis geojson aws tailwindcss motion ReactJS nodeJS
Palladix
Jun 2022 - May 2025 (2 years 11 months)
Rzeszów, Poland
Fullstack Developer
Tech Lead and Full-Stack Developer focused on React and Node.js. Led a cross-functional team by setting technical direction, reviewing code, and mentoring developers. Oversaw the implementation of new features and API integrations, ensured high code quality through test coverage improvements, and facilitated efficient resolution of bugs reported via Jira and found during manual testing.
ReactJS Nextjs NestJS Styled Components redux jest postgresql aws cypress GraphQL

Add some compelling projects here to demonstrate your experience
Papermate.io
Jan 2018 - Present
Web app for creating animations that can be printed.
Nextjs GraphQL Redux canvas mongodb
Check Demo
Over.flights
Nov 2021
Application for flight planning and supervision using ADS-B data
next.js NestJS websocket null
Check Demo Check Source
This section lets you add any degrees or diplomas you have earned.
Rzeszow University of Technology
Bachelor of Engineering , Aerospace Engineering
Oct 2016 - Jun 2021
Rzeszow University of Technology
Master of Engineering, Aerospace Engineering
Oct 2021 - Jun 2023

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