I'm Jan Balaz.

Full-stack Developer Python TypeScript (React) Event-driven systems

About Me

Let me tell you about me.

Profile Picture

A man on his journey to become a better software engineer.


Most of the time I worked in Slovakia, for a year I was interning in Silicon Valley, and now I live in Czechia. I have experience with working in small, middle-sized and big companies as well.

  • Full Name: Jan Balaz
  • Position: Software Engineer
  • Years of Experience: 8+
  • Location: Prague, Czechia
  • Email: kontakt@janbalaz.sk


My experience varies from frontend and backend web development to data processing and system design (mostly event-driven architecture). I consider myself to be mostly python backend software engineer with the following skills:

  • 95%
  • 85%
  • 80%
    Docker/Docker Compose
  • 75%
  • 70%
    Apache Flink

More about my past occupations

Work Experience

Remote Full Stack Engineer

January 2023 - present


Software design of highly scalable event-driven systems. Data pipelines and analytical dashboards creation. Async API and frontend to display in-store campaigns for e-commerce websites. Technologies: Python (FastAPI), TypeScript (React.js), Apache Kafka and Flink.

Software Engineer

November 2021 - December 2022


Automating infrastructure creation for telemetry data researchers in sovereign and public clouds. Using internal IaC tools to manage the infrastructure and keep it compliant. Developing UI portal for new researchers to onboard to our automation solution.

Lead Python Developer

March 2019 - October 2021


I am working on beautiful invoices platform with Django Python framework.

Async Python Developer

September 2018 - February 2019


I was helping to develop an automatized booking platform in the traveling business. I was working with cutting-edge async technology in Python.

Frontend Developer

September 2017 - December 2018

Global Clinic Rating (GCR)

I was responsible for transformation of the old website into single-page application (SPA) written in Vue.js. I also managed sideproject affordablescan.com which was SPA since the beginning.

Python Software Developer (Intern)

August 2016 - July 2017

Cisco Systems

I was part of the team developing network performance benchmarking tool, which required networking, virtualization and OpenStack platform knowledge. Most of the application was developed in Python and Bash. I was responsible for writing new code, maintaining and refactoring existing codebase, writing tests and configuring Jenkins jobs. Application was part of the Cisco Live Demo.

Python Software Developer

April 2015 - May 2016

Pantheon Technologies

Started from intern position, I was promoted to junior software developer after 3 months. I worked on VIRL , tool for simulating networks and network elements. I worked mostly with Flask server and lxc containers codebase. I learnt to work with Openstack, Flask, SQLite and py.test.


Master's Degree

Artificial Intelligence

September 2014 - June 2018

Comenius University in Bratislava

Focus of classes on machine learning, artificial intelligence and information systems. Master Thesis about NLP algorithms comparison with Python implementation. My studies were postponed because of my internship in the USA.

Bachelor's Degree

Computer Science

September 2011 - June 2014

Comenius University in Bratislava

General computer science studies with math, programming and web development classes. Facebook application for commuters as Bachelor Thesis.

I live in

Prague, Czechia