Ing. Ondrej Sevcik

Full Stack Splunk, React and (to be) Blockchain Developer

“Develop a passion for learning. If you do, you will never cease to grow.” – Anthony J. D’Angelo

The curiousity to learn new things is what drives me every day.

Back in 2016, my friend told me about iOS course on Udemy that he bought. I've decided to give it a shot and it was the best decision of my life. I've been coding or learning new technologies almost every day since then.

I've started by creating mobile apps, later shifted my focus towards web apps, took Harvard's CS50 to fill gaps, landed my first programming full time job and somehow got offered a Splunk position which opened doors to dozens of different technologies.

In 2021, I've deep dived into the crypto world, not just into a trading but I've learned about crypto history, fundamentals and core functionality. Now, I am learning about development of dApps, web3 and smart contracts.

Skill set

Overview of primary skills I have used over years

Below is timeline of technologies that I've been using for long time from three areas - Web, Splunk and Mobile development.

The list doesn't cover everything I know but I've wanted to pin point technologies that I've worked the most time with.


Node.js / TypeScript
Javascript / HTML / CSS


Unix / Win / Oracle DB / MSSQL / SAP / MSIIS / ...


React Native

Work experience

Splunk SOC Onboarding Engineer (Security Operations Centre)
06/2020 - Present

Managing the process of onboarding security logs from internal applications running multiple different technologies to the Splunk

Experience with onboarding security logs of MS WIN, RHEL, AIX, Solaris, MSSQL, Oracle DB, PostgreSQL, Azure, AWS, MS IIS, Cisco, SalesForce, IBM SVC, and custom vendor appliances

Robotron Datenbank-Software GmbH
Splunk Developer
01/2019 - 05/2020

For 1.5 years worked in a small team with excellent mentor who was Splunk Enterprise Certified Architect and learned everything from SPL to onboarding data, configuration files and deployment

Working on multiple custom build Splunk dashboards by leveraging and extending SplunkJS functionality

Creating several Splunk applications and custom search commands in a Python3

Lead Front End React Developer
06/2020 - 10/2020

Alternative position offered by Robotron for a short time after Covid-19 paralyzed the economy and automotive sector

I've been working as Front End Lead of two React applications developed for Linde

The goal was to match UI/UX between the projects and have it standardized through all dashboards

Profiq s.r.o.
Junior Developer Intership
10/2018 - 11/2018

After a few years of freelancing, I've been contacted by Profiq for my first ever software developer position

The internship consisted of creating new features for internal Node.js apps, learning to work with a team and with a git

After the first month, I've been promoted to full time position

Junior QA Python Developer
11/2018 - 01/2019

Worked on creation of automated E2E tests with Python, Behave and Selenium for a client Avast

The goal was to create Python scripts that will mirror user's behavior in the application to fire certain marketing scenarios, these scripts were later used during integration of new versions of Avast to make sure everything is working correctly

First ever experience with a Scrum

I've been working on this position for only 3 months because I've received offer much more interesting offer from Robotron

Internet Assesor
05/2012 - 12/2019

Long term project based work where I have been part of rating team for dozens of different projects ranging from evaluating search results to improving voice commands of smart devices.

Czech Raters QA Manager
01/2018 - 12/2019

I've started on different project that was in parallel with Internet Assessor and been doing QA of their work and managing their workflow

IN PARK Fitness s.r.o.
CrossFit L1 Trainer
05/2015 - present

Working as CrossFit Level 1 Certified Trainer

Two classes of CrossFit per week in a nearby gym

Webgears Germany GmbH
Voucher Coordinator
04/2015 - 11/2018

Coordinating voucher codes and deals for websites operating in several different countries, making sure that codes/deals work and are up to date

Colliery CrossFit
CrossFit L1 Trainer
03/2014 - 04/2015

Working as CrossFit Level 1 Certified Trainer

Teaching CrossFit classes of 10 to 20 people multiple times a day, several days a week

Formal education

Master's degree in Marketing and Management
Slezska Univerzita v Opave, 2015-2017
  • Winner of best Master's Thesis
  • Thesis about Online Marketing of Fitness Internet Blog
  • Education focused on advanced marketing, management, economics, trade and accounting
Bachelor degree in Marketing and Management
Technical University of Ostrava, 2011-2015
  • I've willingly took as much classes as possible in English
  • Thesis about Client Satisfaction Measurement of the Sports Centre
  • Education focused on marketing, management, economics, trade and accounting
Software Development
Brno University of Technology, 2010-2011
  • Basics of IT and software development
  • Prematurely terminated study, got back to software development after a few years
Graduated from Electrotechnics and Computers Technology
Industrial High School of Electrotechnics and IT, Frenstat pod Radhostem, 2006-2010
  • Computer Science
  • Programming of PLC
  • Assembly programming
  • Websites programming
  • Electrical engineering
  • University level mathematics