

Luboš Matejčík
Senior Software Engineer
Señor Software Engineer
Professional Summary
Hello, I’m Luboš from Brno, Czech Republic!
I’m a passionate software developer with years of experience turning complex ideas into reality. My proudest achievement? Leading the development of the Scanning Transmission Electron Microscope (STEM) at Tescan—a project that started from scratch, where I played a key role in designing and developing the multi-layered software architecture.
I thrive on solving real-world problems with innovative solutions, constantly learning new technologies to make projects smoother and more efficient. My expertise spans frontend and backend development, server applications, embedded systems, and machine learning, with a strong focus on TypeScript, React, GraphQL, Rust, and C++.
Work Experience
Panter AG
Software Engineer
- Provided technical guidance and mentorship to startups in the IT industry, helping them scale and optimize their business solutions.
- Directly engaged with customers to understand their needs and deliver tailored solutions.
- Designed and implemented scalable architectures to support the growth and stability of startups' businesses.
- Enhanced internal CI/CD tools, improving developer experience and efficiency.
- Served as Head of Security, promoting security awareness, educating teams on best practices, and reducing security vulnerabilities across new and existing projects.
- Conducted penetration testing to identify and mitigate security risks.
- Designed and integrated a "Security Checklist Before First Release" process into CI/CD pipelines, ensuring robust security practices.
- Mentored and guided colleagues toward achieving their seniority goals, fostering professional growth and expertise.
TESCAN ORSAY HOLDING a.s.
Software Lead Engineer
- Led the end-to-end development of the full software stack for controlling and operating an in-house developed and manufactured Scanning Transmission Electron Microscope (STEM), from concept to a fully functional product.
- Contributed to the successful first sale of the microscope by delivering a robust and scalable software architecture, including hardware drivers, image analysis algorithms, physics models and algorithms, manufacturing software tools, proprietary patented algorithms, and more.
- Built and led a high-performing team of 10 developers, driving innovation and ensuring the successful execution of the project.
- Advocated for and successfully led the company’s transition from Windows to a Linux-based development platform. Implemented build tools for multiple software teams, introduced modular architecture support, and facilitated a smooth migration to Linux.
TESCAN ORSAY HOLDING a.s.
Software Engineer
- Designed and developed a high-performance real-time big data component for collecting and storing measured quantities from Scanning Transmission Electron Microscopes (STEM). Integrated advanced compression, filtering, and re-sampling techniques, significantly accelerating STEM development by enabling engineers and developers to capture the exact state of the microscope.
- Led the end-to-end design, development, and company-wide implementation of a crash reporting management process and service for post-mortem analysis and debugging of electron microscopes. This initiative streamlined support and development processes, enhancing overall efficiency and reliability.
CHERRY TOUR s.r.o.
Web Application Developer
Developed e-commerce and information system for a travel agency, enhancing operational efficiency and customer experience. Managed and maintained a Linux server to ensure system stability and security.
G-elektrosys s.r.o.
Embedded System Developer
Designed and developed automation and embedded devices for home automation, extensions for electronic security systems, and a watchdog application for CCTV systems to enhance reliability and performance.
NATIO Solutions CZ s.r.o.
Web Application Developer
Developed and implemented e-commerce systems. Communicated with clients to understand their needs, provide guidance, and deliver customised solutions.
Education
Master's degree in computer science
VŠB - Technical University of Ostrava
Diploma thesis: Automatic Car Parking
Bachelor's degree in computer science
VŠB - Technical University of Ostrava
Bachelor thesis: Intelligent House with Remote Control
Secondary school-leaving exam (Maturita)
Secondary School of Electrical Engineering
Karviná, Czechia
Skills
Languages
Certifications
Recent Projects

Transmission Electron Microscope
Dec 2021Led the software development team in designing and implementing control, imaging, and data processing software for a cutting-edge Scanning Transmission Electron Microscope (STEM). Contributed hands-on to software architecture, real-time data acquisition, and system integration. Collaborated closely with hardware engineers and scientists to ensure seamless interoperability and high-performance imaging. Played a key role in bringing the product from initial development to its first commercial sale, meeting technical and market requirements.

Food2050 Platform
Jan 2023As the developer of FOOD2050, I contributed to creating a platform that assists food service businesses in reducing CO₂ emissions by promoting healthier and more sustainable meal options. The platform evaluates recipes for their environmental impact, provides consumers with detailed information to make informed choices, and enables businesses to monitor and communicate their sustainability performance.
Ecommerce solution for SwissSign
Mar 2023A custom online shop system for selling and managing SSL certificates, developed using React and Flutter for the frontend, with a Spring Boot backend utilizing GraphQL. The backend integrates seamlessly with internal business process automation system and various certificate authority APIs. Designed for seamless embedding within an existing system using WebComponents, the solution was optimized to enhance user experience, resulting in a significant increase in the e-shop's conversion rate.
Companion for Leadership Training
Jun 2024Developed a personalized, AI-driven leadership development platform designed to empower managers and leaders. Leveraged LLM + RAG AI technology, web scraping, video and podcast transcription, and background task automation to enhance user experience and deliver insightful, data-driven learning.

Grow Peppers, Grow!
Feb 2022As a passionate chili pepper enthusiast, I developed an IoT application designed for optimal chili cultivation, integrating sensors and smart IoT technology to ensure ideal growing conditions. 💪

E-Ink wireless display
Jun 2022Every morning, I want quick access to my shopping list, weather updates, commute time, and other useful information. While mounting a tablet on the wall would be a simple solution, I wanted to take on a more challenging and innovative approach. 💪

WLED Ambilight
Nov 2023Introducing another Ambilight solution for PC—this time for WLED. This Windows tray application connects to a WLED device and transmits the average border colors of the screen in real time. The color calculations are optimized for minimal CPU and GPU usage, leveraging GPU processing for efficiency. This project marks my first major development in Rust, during which I gained experience with DirectX and various Windows API features.