Dalibor is available for hire
Hire DaliborDalibor Horinek
Verified Expert in Engineering
Full-stack Developer
Olomouc, Olomouc Region, Czech Republic
Toptal member since June 13, 2015
Bio
Dalibor has over 18 years of experience in web application development, system administration, and building commercial projects in various areas. He is passionate about what he does and tries to find the best solution for a given problem via the most appropriate technology while keeping best practices in mind. Dalibor is calm, rational, and always open to valid suggestions, ideas, and critical input.
Portfolio
Meverix Software
Agentic AI, AI Integration, API Development, API Integration, Supabase, iOS...
Carpentum
JavaScript, React, Material UI, Git, Node.js, API Integration...
Horinek Software
Backbone.js, PostgreSQL, React, JavaScript, Ruby on Rails (RoR), Ruby...
Experience
- Back-end - 20 years
- React - 11 years
- API Development - 10 years
- API Integration - 10 years
- Elixir - 7 years
- Node.js - 5 years
- Anthropic - 1 year
- Agentic AI - 1 year
Work Experience
Founder
2023 - PRESENT
Meverix Software
- Created a custom finance/accounting management application with customizations for SMBs.
- Developed a mobile application for recipes with an AI chef.
- Built a fitness AI app with an AI trainer for guiding users.
Technologies: Agentic AI, AI Integration, API Development, API Integration, Supabase, iOS, Phoenix, Supabase Auth, Cloudflare, Elixir, React Native, Expo, OpenAI, Anthropic, Claude Code, TypeScript, Back-end, Terminal, Tmux, NeoVim Text Editor, UX Design, REST, Large Language Models (LLMs)
Senior Front-end and Full-stack Developer
2020 - PRESENT
Carpentum
- Developed the payment gateway administration and the front-facing application.
- Managed the whole front-end team consisting of two semi-senior developers. Mentored and taught them good development practices.
- Built a data-driven front-end for an online scraper of banking payments.
Technologies: JavaScript, React, Material UI, Git, Node.js, API Integration, Functional Programming, ECMAScript (ES6), CSS, HTML, Front-end, HTML5, Web Development, Web Applications, Phoenix LiveView, Phoenix, Elixir, TypeScript, Code Review, Full-stack Development, Agentic AI, Artificial Intelligence (AI), Security, Finance, Fintech, Cypress, React Testing Library, Jest, Tailwind CSS, Next.js, User Interface (UI), Back-end, Terminal, Tmux, NeoVim Text Editor, Front-end Development, UX Design, REST, Large Language Models (LLMs)
Freelance Developer
2009 - PRESENT
Horinek Software
- Created the Pixie Crew online editor for creating various motives for different fashion accessories.
- Developed a reservations and transfers management system connected to Kigo API for PragueLoft.com.
- Built a JukeBox application running on a Linux machine with remote control and cloud synchronization.
Technologies: Backbone.js, PostgreSQL, React, JavaScript, Ruby on Rails (RoR), Ruby, Full-stack, Git, SQL, MySQL, API Integration, APIs, Bootstrap, Functional Programming, CSS, HTML, Front-end, HTML5, Web Development, Web Applications, Elixir, Phoenix, Amazon Web Services (AWS), Phoenix LiveView, AI Integration, Claude Code, TypeScript, Code Review, Full-stack Development, Python, Cypress, React Testing Library, Node.js, Firebase, Google Cloud Platform (GCP), API Development, Consulting, Real-time Data, System Integration, Webhooks, Claude, Supabase, User Interface (UI), Back-end, Terminal, Tmux, NeoVim Text Editor, Front-end Development, UX Design, REST
Elixir Developer
2025 - 2025
PepsiCo Global - PepsiCo IT Services
- Managed all the updates of core components of the system.
- Fixed bugs and issues found in the system by the client.
- Communicated with the client to propose solutions to the client's issues.
Technologies: Elixir, Git, Phoenix LiveView, Phoenix, Code Review, Full-stack Development, Security, Cypress, Tailwind CSS, Real-time Data, System Integration, User Interface (UI), Back-end, Terminal, Tmux, NeoVim Text Editor, UX Design, REST
Elixir Developer
2022 - 2023
PepsiCo
- Developed a new dashboard for customer overview for the Turkish market.
- Tracked and fixed various system-wide bugs and issues.
- Was assigned to all different systems across the development and gained complex knowledge of the system.
Technologies: Elixir, Phoenix, Phoenix LiveView, Git, Code Review, Full-stack Development, Security, Tailwind CSS, Real-time Data, System Integration, User Interface (UI), Back-end, Terminal, Tmux, NeoVim Text Editor, REST
CTO | Senior Full-stack Developer | Administrator
2019 - 2020
Tools Evolved
- Designed and developed a distributed crawler application that scans websites creating sitemaps using page-ranking, diagnostics hints, like missing files and invalid tags, and statistics of the pages, such as time loads and amount of external sources.
- Developed the Cookie Booster application to overcome limited JavaScript cookies lifespan.
- Managed the AWS infrastructure and resources of all applications.
Technologies: Elixir, React, Phoenix, Git, Full-stack Development, Security, API Development, Real-time Data, System Integration, Webhooks, Back-end, Terminal, Tmux, NeoVim Text Editor, REST
Senior JavaScript Developer
2015 - 2020
Leveris
- Designed and developed a modular platform with Redux and React.
- Collaborated as one of the leads of a multinational team consisting of over ten developers.
- Mentored and taught new incomers and back-end developers switching to the front end.
Technologies: Redux, React, JavaScript, Git, Node.js, Webpack, API Integration, MongoDB, ECMAScript (ES6), CSS, HTML, Front-end, Front-end Build Tools, HTML5, Web Development, Web Applications, Code Review, Finance, Fintech, React Testing Library, Jest, User Interface (UI), Terminal, Tmux, NeoVim Text Editor, Front-end Development, REST
Senior JavaScript Developer
2014 - 2016
CN Group
- Created an administration portal for an online music store in Angular.
- Contributed to the development of mobile apps in React Native.
- Developed a monitoring dashboard application in AngularJS.
Technologies: JavaScript, React Native, Git, API Integration, React, CSS, HTML, Front-end, Front-end Build Tools, HTML5, Web Development, Web Applications, Code Review, GraphQL, User Interface (UI), Terminal, Tmux, Front-end Development, REST
JavaScript Developer
2014 - 2014
Arbes
- Developed various parts of the online banking system, from payment management to account management.
- Developed parts of the application for the trading system, adding new trade orders, lists of trading orders, and real-time market depth.
- Tracked and fixed various bugs across the whole system in the Jira system.
Technologies: JavaScript, API Integration, CSS, HTML, Front-end, HTML5, Web Development, Web Applications, User Interface (UI), Terminal, Tmux, Front-end Development, REST
Software Developer
2007 - 2014
Travelcook
- Created a public search engine for accommodation with various discounts and special offers.
- Built an administration portal for hotel management, including pricing, a photo gallery, descriptions, and booking management.
- Constructed an API for synchronization with third-party systems.
- Developed a CRM system for clients to have feedback and operators to manage the feedback.
- Maintained Linux servers for the whole agency, including mailing systems, database systems, and the entire deployment process.
Technologies: jQuery, JavaScript, MySQL, Ruby on Rails (RoR), Perl, Full-stack, Linux, SQL, APIs, jQuery UI, Debian Linux, CSS, HTML, HTML5, Web Development, Full-stack Development, API Development, Booking, Hotels & Lodging, Reservation Flow, Webhooks, Redis, User Interface (UI), Back-end, Terminal
Network Administrator
2006 - 2007
Fremlova Aphotheka
- Managed thin clients with five diskless stations in a pharmacy.
Technologies: Red Hat Linux, Linux, Terminal
Network System Administrator
2006 - 2007
AAR Plast s.r.o
- Managed the local Windows network with a Linux-based system running Samba.
- Maintained two remote locations through a VPN tunnel to synchronize data.
- Developed a CRM system for client management, allowing staff to store contacts, contracts, and information about orders.
Technologies: Debian Linux, Linux, SQL, Terminal
Project History
TravelCook.com
Developed an online booking engine with availability, prices, and discounts management. Public API for synchronization with partners. CRM system for clients management. I was the leading and only developer responsible for the whole application design, development, deployment, and system maintenance.
PixelArt Editor
https://pixiecreweditor.com/enWeb presentation with product administration, products settings, and e-shop integration. It's a public-facing website with an overview of all the products and an online graphical editor for drawing "pixels" onto products and creating your own designs for these products.
PixelArt Gallery
A PixelArt Gallery with drawings from PixelArt Editor divided into categories. The user can create, save his/her drawings, and rate others. There are also contests for specific themes.
GNU Linux Course on High School
On High School I was teaching Linux. I had my own course mainly about Linux administration, GNU and Linus philosophy, networking and also programming.
For the course I was implementing thin clients - Linux booted from server on local stations as there were Windows stations only and it was not possible to install Linux locally.
For the course I was implementing thin clients - Linux booted from server on local stations as there were Windows stations only and it was not possible to install Linux locally.
Education
2008 - 2013
Bachelor's Degree in Applied Computer Science
Palacky University in Olomouc - Olomouc, Czech Republic
Certifications
JANUARY 2022 - PRESENT
Scala & Functional Programming Essentials
Udemy | Rock the JVM
MAY 2018 - PRESENT
Elixir and Phoenix Bootcamp
Udemy
Skills
Libraries/APIs
Node.js, React, API Development, Backbone.js, jQuery, React Testing Library, jQuery UI
Tools
Terminal, Tmux, Webpack, Git, Apache, Front-end Build Tools, Claude, Claude Code, Expo
Languages
ECMAScript (ES6), JavaScript, Perl, Elixir, CSS, HTML, TypeScript, SQL, HTML5, Clojure, Ruby, Scala, Python, GraphQL
Frameworks
Redux, Tailwind CSS, Next.js, Bootstrap 3, Bootstrap, Phoenix, Material UI, Cypress, Jest, React Native, Ruby on Rails (RoR), Ruby on Rails 4
Paradigms
Functional Programming, Agile Software Development, REST, UX Design
Platforms
Debian Linux, Linux, Firebase, Google Cloud Platform (GCP), Red Hat Linux, Amazon Web Services (AWS), iOS
Storage
PostgreSQL, MySQL, Redis, MongoDB
Other
NeoVim Text Editor, Full-stack, APIs, API Integration, Front-end, Web Development, Web Applications, Full-stack Development, Back-end, Front-end Development, Phoenix LiveView, Code Review, Security, Finance, Fintech, Booking, Consulting, Real-time Data, System Integration, Hotels & Lodging, Reservation Flow, Webhooks, User Interface (UI), AI Integration, Agentic AI, Artificial Intelligence (AI), Supabase, Supabase Auth, Cloudflare, OpenAI, Anthropic, Large Language Models (LLMs)
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