Jakub Indrák
Fullstack Developer
I am a 22-year-old developer dedicated to programming and application development. Besides debugging web apps, I have also found a passion for system development, particularly in Compiler Design. When I'm not turning coffee into code, I play the guitar or automate my life.
Years Experience
Companies
Technologies
Started at Age
Speaking
Speaking About Tech
I'm passionate about sharing knowledge and teaching technologies. Whether it's a university, a meetup talk, or a conference session — I love breaking down complex topics and making them accessible.
Behind the Scene of Compilation
A deep dive into how compilers work. Presented at vyvojaremkdekoliv.cz in Tietoevry.
View talkMore coming soon...
I'm always looking for opportunities to share knowledge. New talks are in the works — stay tuned!
Tech Stack
Technologies I Work With
Projects
Things I've Built
Sirael
Wiki for Draci HlidkaA comprehensive Next.js wiki application for the Draci Hlidka tabletop RPG universe. Features searchable content, item, skills and spells databases.
Czechtina
Programming language
A custom programming language with Czech syntax that compiles down to C. Features a hand-written lexer, parser, AST transformer, and code generator — built from scratch to explore compiler design at a deep level.
zpracuj histo:pointer<int> {
for i:int -> 0 do 9 {
if c == i+minimum {
histo[i] += 1;
}
}
}CompMap
Roslyn source generator
A C# source generator that auto-creates mapping methods between classes at compile time.
defer
Schedule any command
A zero-dependency Go CLI tool that schedules commands to run later. Lightweight daemon, persistent tasks, human-readable time parsing.
$ defer 5m echo "done"Popscript
Stack-based VM language
A programming language that compiles into a custom stack-based virtual machine. Explores bytecode generation, instruction sets, and runtime execution. Used for presentation purposes to understand low-level language design and VM implementation.
Who I Am
Passionate Developer Since Age 16
Passionate fullstack developer with 5+ years of professional experience across .NET, React, Angular, and Node.js ecosystems. Started coding at 14 and have been shipping production software ever since 2020. Particularly interested in compiler design and developer tooling. Always looking for ways to automate repetitive tasks and build tools that make other developers' lives easier.
Passion
Compiler Design & DevTools
Currently at
Vivicta
Based in
Czech Republic
Career
Work Experience
A journey through my professional experience, showcasing my growth and impact in the tech industry.
Fullstack Developer
Vivicta
Fullstack developer for Forest Industry client, I was mainly working on optimization, caching and filling initial Data
Fullstack Developer
TietoEVRY
Fullstack developer for Forest Industry client, I was mainly working on optimization, caching and filling initial Data
Internship
TietoEVRY
Leading Frontend internship team and developing apps with React Query, Mui, Mantine, Vite, Vitest, Msw
Software Developer
Amenit
Migration of Websites to Umbraco CMS and its Customization, Dockerization of Java 1.6, Development and Research of TileMapServer
FE Developer
Brainsov s.r.o.
Developer of the Administration Interface in Next.js for the Moje Karolina Application and the Moje Karolina Application itself.
Student Internship
Seznam.cz
Analytical Work with Data, Implementation of ML in a Simple Flappy Bird Game, where I Implemented My Own Generative AI and Compared It with NEAT.
Student Internship
Unicorn
Development of a Simple E-commerce Application Using React.
.NET Developer
Ludek.co.uk
Developer of an In-house Application for Data Management, Customer Questionnaire Generation, Automation and Exporting for Printing.
Highlights
What Sets Me Apart
Full Stack Expertise
End-to-end experience from .NET backend APIs and database design to modern React & Angular frontends. Comfortable working across the entire stack in enterprise environments.
Compiler Design
Beyond web development, I have a deep passion for systems programming and compiler design. Building developer tools that make other developers more productive.
Team Leadership
Led a frontend internship team at TietoEVRY, establishing testing patterns, modern tooling, and best practices for the team.
Enterprise Ready
Experience with Azure cloud, Redis caching, Keycloak auth, Docker, and microservice architectures in production environments.
Let's Connect
Ready to Build Something Amazing?
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision.