Publication
Smart Node.js Form Validation
https://www.toptal.com/developers/nodejs/smart-node-js-form-validation
Andrej is currently unavailable
Andrej Adamcik
Verified Expert in Engineering
JavaScript Developer
Bratislava, Bratislava Region, Slovakia
Toptal member since January 27, 2015
Bio
Andrej is a software developer and architect. He has extensive experience with PHP, JavaScript, HTML, and CSS and enjoys working on both the front and back end. He likes creating modern websites and developing real-time scalable web applications with Node.js.
Portfolio
Outloud
JavaScript, TypeScript, Node.js, PostgreSQL, MySQL, Redis, Elasticsearch, Vue...
Flow Studio
Agile, Agile Software Development, Amazon Web Services (AWS), TypeScript...
Rainmaking Innovation ApS (via Toptal)
Amazon Web Services (AWS), Heroku, MongoDB, Node.js, Vue, Web Development...
Experience
- JavaScript - 10 years
- PostgreSQL - 6 years
- Node.js - 6 years
- React - 5 years
- Laravel - 4 years
- Vue - 3 years
- Swift - 3 years
Preferred Environment
Visual Studio Code (VS Code), MacOS, Git, Ubuntu, Amazon Web Services (AWS)
The most amazing...
...project I've coded is CodeTasty.com, an online integrated development environment (IDE) in the cloud.
Work Experience
CTO
2020 - PRESENT
Outloud
- Managed a team of eight back-end and front-end developers.
- Created an app architecture and cloud infrastructure for various platforms.
- Developed web apps, mobile apps, APIs, and DevOps processes for fintech, eCommerce, real estate, legal, and other industries.
Technologies: JavaScript, TypeScript, Node.js, PostgreSQL, MySQL, Redis, Elasticsearch, Vue, React, React Native, Amazon Web Services (AWS), Cloud Infrastructure, Agile, Software Development, Software Design
CTO
2018 - 2021
Flow Studio
- Developed various web applications, including CRM systems, CMS systems, eCommerce, social platforms, chat applications, and many others.
- Created animated website presentations, winning awards.
- Developed back-end APIs for web applications, working with real-time data, third-party APIs, payment gateways, or big data.
Technologies: Agile, Agile Software Development, Amazon Web Services (AWS), TypeScript, JavaScript
Full-stack Developer for The Hub
2019 - 2020
Rainmaking Innovation ApS (via Toptal)
- Developed The Hub portal for matching talent with startups.
- Built +impact portal to match investors with impact startups.
- Supported API and admin panel development.
Technologies: Amazon Web Services (AWS), Heroku, MongoDB, Node.js, Vue, Web Development, Full-stack, Software Design, Agile, DevOps, CRM APIs, APIs, JavaScript Libraries
PHP Developer
2019 - 2019
NomadicTribe, LLC (via Toptal)
- Developed an API using Laravel for a travel app.
- Created the app's web admin console.
Technologies: Vue, Laravel, PHP, Agile, APIs
Full-stack Developer
2018 - 2019
Officeguru A/S (via Toptal)
- Supported the development of an API and a web app for an office services platform.
- Created a presentation website for the platform.
- Developed an iOS and Android app using React Native for the client's employees.
Technologies: React Native, React, Vue, MySQL, Laravel, PHP, Web Development, Full-stack, Agile, APIs, JavaScript Libraries
Full-stack Developer
2018 - 2018
SPARK! (via Toptal)
- Developed an API for a print quote system using Node.js and MS SQL.
- Created the UI for a print quote system using Vue.js, Nuxt, and Vuetify.
Technologies: Microsoft SQL Server, Vuetify, Vue, Node.js, JavaScript, Web Development, Full-stack, APIs, JavaScript Libraries
CTO
2014 - 2018
PLATFORM
- Created web presentations.
- Developed a system to generate proposals of web and mobile applications with an algorithm for cost calculation.
- Developed a tracking and analytics application for employees.
- Added back-end functionality for an interactive magazine.
- Developed the website, admin, and APIs for airlines.
- Created the Glue website for Spotify.
- Designed an iOS application for Gartner to view and manage research articles.
Technologies: Node.js, Swift, Objective-C, JavaScript, CSS, HTML, Microsoft SQL Server, MariaDB, MySQL, PHP, Web Development, Full-stack, Software Design, Software Architecture, Architecture, Agile, Leadership, DevOps, APIs, JavaScript Libraries
Full-stack Developer
2015 - 2017
Helix Sleep (via Toptal)
- Created an eCommerce site for custom built mattresses.
- Developed an admin UI for the eCommerce website.
Technologies: Laravel, Bash, JavaScript, CSS, HTML, MySQL, PHP, Web Development, Full-stack, Software Design, Software Architecture, Architecture, APIs, JavaScript Libraries
PHP/MySQL Developer
2015 - 2016
RAD FitKey (via Toptal)
- Developed an API for a body measurement app.
Technologies: MySQL, PHP
Software Developer
2012 - 2016
Lime Inspirations, s.r.o.
- Developed a real-time chat support application (LimeTalk.com).
- Implemented Jabber functionality for communication between the app and messengers.
Technologies: Python, Bash, JavaScript, CSS, HTML, MySQL, PHP, APIs
PHP Developer for Back-end REST API
2015 - 2015
ZYX Integrated Technologies, LLC (via Toptal)
- Developed an API for a social monetization platform.
Technologies: MySQL, PHP
Software Developer
2013 - 2014
Omasta Consultancy, Ltd.
- Developed an online CV generator with editable templates.
- Created iOS games.
Technologies: Objective-C, JavaScript, CSS, HTML, MySQL, PHP, iOS Games
Software Developer
2006 - 2014
Ambitious
- Developed an online IDE for developers supporting 40+ languages.
- Created beautiful and modern web presentations.
Technologies: Objective-C, C, Node.js, JavaScript, CSS, HTML, MariaDB, MySQL, PHP
Web Developer
2012 - 2013
Mediahost
- Designed web presentations.
- Developed eShop solutions.
Technologies: MySQL, PHP, JavaScript, CSS, HTML
Experience
Viion World Website
Corporate website for Viion World, which designs and builds immersive learning environments, created using Vue.js, Three.js, and GSAP.
BookLocal Landing Page
Landing page for a company that aims to connect hotels and travelers via blockchain smart contracts and get rid of all the middlemen.
CodeTasty
A modern IDE in the cloud.
Comcast Media 360
Responsive website for Comcast.
CapaCV
An iOS app for companies to manage their open positions and find the best candidates. As a candidate, you can record video with real-time face shape detection and polygons generated from the background.
My Gartner Mobile
Native iOS app in Swift for viewing Gartner articles and library management.
RCCL App
An iOS app done in Swift for Royal Caribbean.
A preview of the app is shown in this video:
https://www.youtube.com/watch?v=oI9OmoMwz5s&feature=youtu.be&t=1m13s
A preview of the app is shown in this video:
https://www.youtube.com/watch?v=oI9OmoMwz5s&feature=youtu.be&t=1m13s
Spotify Glue Website
A website for Spotify's design guidelines.
Skills
Libraries/APIs
React, Vue, Vuex, Node.js, Socket.IO, CocoaPods, Facebook API
Tools
Xcode, Git, Sublime Text, AWS Command Line Interface (CLI), Amazon Simple Email Service (SES), Amazon Elastic Block Store (EBS), Mercurial
Languages
Swift 4, CSS, Swift 3, HTML5, Swift, JavaScript, CSS3, PHP, HTML, Less, Bash, Python, C, Objective-C, TypeScript
Frameworks
Nette, Laravel, Koa, Express.io, Vue SSR, React Native, Nuxt.js, Next.js, Vuetify, Zend Framework
Paradigms
Object-oriented Programming (OOP), REST, Object-oriented Design (OOD), Agile Software Development, Agile, DevOps
Platforms
iOS, MacOS, Ubuntu, Linux, Debian Linux, CentOS, AWS Lambda, Vercel, Firebase, Visual Studio Code (VS Code), CodeTasty, Heroku, Amazon EC2, Amazon Web Services (AWS)
Storage
MongoDB, MySQL, MariaDB, Redis, PostgreSQL, Amazon S3 (AWS S3), Microsoft SQL Server, Elasticsearch
Other
Vue Router, Web Development, Full-stack, Software Design, Software Architecture, Architecture, Leadership, APIs, JavaScript Libraries, CTO, Technical Leadership, CRM APIs, Cloud Infrastructure, Software Development, iOS Games
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