About me
Lukáš Kopecký – backend developer and AI specialist from Hradec Králové
I'm Lukáš Kopecký, a freelance programmer based in Hradec Králové, Czechia. I specialise in Kotlin backends and web applications that I build from the database and API all the way to a React interface. I have worked for Creative Dock Group, Univerzita.app and ELSE LOOK, among others.
I'm also interested in AI and data science. You can see what I can build for you in services and the results of my work in projects.
Who is Lukáš Kopecký?
I'm Lukáš Kopecký, a freelance programmer from Hradec Králové with more than 8 years of experience building backend and web systems. I have built production systems for more than 7 companies and delivered over 20 projects. I specialise in Kotlin, Java and Spring Boot, and I also work with Kafka, GraphQL and PostgreSQL.
I'm Lukáš Kopecký, and I build web applications from the database and API all the way to an interface in React, Next.js and TypeScript. I handle deployment and operations with Docker as part of DevOps. I hold two university degrees in Applied Informatics (Bc. and Ing.) and I'm also interested in AI and data science.
Last updated:
Perfection
From the database schema to the last line of the interface, I take care over every detail and hold my code to a high standard of quality.
Innovative
I follow new technologies and trends, and I bring modern solutions that move your product forward.
Expertise
I enjoy working with the latest technologies and approaches, from scalable backends to AI and data science.
Full-Cycle services
From the backend through the frontend to deployment and monitoring, I cover the whole development cycle of your product.
How I work with clients
I keep communication direct, deliver in short iterations you can review, and stay available for support after launch.
7+
Companies I've built
production systems for
Work
Experience
Kotlin Backend Developer
in the Creative Dock Group
Engineering and optimizing a high-performance, microservices-based supermarket app for millions of users. Kotlin, Spring Boot, Kafka, ElasticSearch, Kibana, Grafana.
2025 – present
Kotlin/Java Backend Developer
in the DAMI development s.r.o.
Architected a shipment and storage lock-box system with a wallet/credit engine and bank integrations. GraphQL, Spring Boot, Kotlin, WebFlux, PostgreSQL, Redis.
2022 – present
Kotlin Backend Developer
in the Keyword Eater
Built and optimized an automated SEO platform, developing scalable backend services for real-time data processing and analytics.
2022 – 2023
Full-Stack Developer
in the MLJ solutions a.s.
Delivered full-stack features across the product, working across frontend and backend layers.
2020 – 2023
React Developer
in the Generali Česká pojišťovna
Developed web forms and interfaces with JavaScript, React.js, CSS/Less and Node.js.
2019 – 2020
Network Administrator
in the ZŠ a MŠ Mozaika s.r.o.
Managed the school network infrastructure and provided technical support and analysis.
2017 – 2019
My
education
Ing. – Applied Informatics
course by University of Hradec Králové
Master's degree in Applied Informatics (Aplikovaná informatika).
2020 - 2022
Bc. – Applied Informatics
course by University of Hradec Králové
Bachelor's degree in Applied Informatics (Aplikovaná informatika).
2017 - 2020
Let's talk about your project!
