Bartosz Polnik

Hi! I'm Bartek Polnik

A full stack developer passionate about building delightful products for the web. At Genie, making robo advisor for crypto investing a reality.

About Me

Hello! I'm Bartek, a full-stack developer with over a decade of experience in the industry
I hold a degree in Computer Science from AGH University of Science and Technology, where I developed a strong foundation in building robust solutions across frontend, backend, and devops domains
Throughout my career, I've successfully delivered projects such as portfolio management system, core banking platform, multilingual CMS websites, search engines, and virtual file system. I've had the privilege of collaborating with talented teams across startups, marketing agencies, large organizations, and the open-source community
At Genie, I'm focused on developing a system that enhances decision-making for crypto investors

My Skills

AWS
NodeJS
PostgreSQL
Java
React
Typescript
Vite
Terraform
Open telemetry

Things I've built

Genie AI

Crypto portfolio management system supported by a virtual assistant. Helps users to analyze their investment portfolios, stress test them, and improve their KPIs.
Role
TechLead Fullstack Developer
Tech
ReactJS
NodeJS
Strawberry GraphQL
Python
SQLAlchemy
PostgreSQL
AWS

Nextbank CBS

Next-gen cloud based core banking system. Fully featured solution allowing you to run a modern bank. With instant payments, wire transfers, checks, ATM, mobile app integration and reporting. Trusted by dozens of small and medium banks in developing countries.
Role
TechLead Fullstack Developer
Tech
ReactJS
Spring
Java
MyBatis
PostgreSQL
AWS

Ferrero Rocher

Developed a highly optimized website for the best seller sweets from a leading candy producer in Europe. Complex animations, localization and content varying per country
Role
TechLead Fullstack Developer
Tech
Liferay

ADS

Framework for dynamically injecting advertisements based on a set of customizable rules
Role
Fullstack Developer
Tech
Spring
Angular
Webpack
HBase

Search

An ultra fast search engine populated with heterogeneous data, such as internet domains, user accounts, content of internal applications and documents. Tuned for relevance and supporting inexact matches
Role
Fullstack Developer Associate
Tech
Sprint
ReactJS
RequireJS
ElasticSearch
Hibernate
Retrofit
RxJava
Grunt

Typescript-Checkstyle

My own open source contribution. The tool collects errors from Typescript and makes them available through integrations in Bitbucket and Github
Role
Author, Core Maintainer
Tech
Typescript
NodeJS

Contact

In case you would like to contact me, you can always reach me via email or message me at Linkedin
.
If you would like to see more of my contributions, don't hesitate to visit my Github Profile
.