Jan Pavlovský, Developer in Prague, Czech Republic
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Jan Pavlovský

Verified Expert  in Engineering

Software Developer

Location
Prague, Czech Republic
Toptal Member Since
November 5, 2019

Jan is a software engineer, entrepreneur, and CTO with a computer science background. His passion is to build modern software platforms and mobile and web applications with exceptional UX from scratch. Jan is experienced in product management and delivery for different industries for mobile apps, web apps, information systems, or web3 platforms.

Portfolio

Parknito
Internet of Things (IoT), Computer Vision, Machine Learning...
RipSpy
Node.js, TypeScript, Google Cloud Platform (GCP), Firebase, Java, Swift, Dart...
ChatSnap
Android, iOS, Voice Recognition, Voice Chat, AngularJS, Product Strategy

Experience

Availability

Part-time

Preferred Environment

Postman, GitHub, Visual Studio Code (VS Code), Firebase, Google Cloud, Typesafe

The most amazing...

...software I've built is Mountain Manager, a mountain resort management app and platform—task manager, time tracker, chat, and IS for iOS, Android, and web.

Work Experience

CTO, Lead Developer

2019 - PRESENT
Parknito
  • Built a large-scale web application for parking management, usage, and renting.
  • Developed a license plate recognition AI using CV and neural nets, both on edge and in the cloud.
  • Designed the architecture for efficient code-sharing in web, mobile, and desktop versions.
  • Collaborated on UI/UX design and build all the initial UI.
Technologies: Internet of Things (IoT), Computer Vision, Machine Learning, Artificial Intelligence (AI), Google Cloud, Firebase, Flutter, Dart, AngularDart, Mobile, Architecture, Full-stack, Web, CTO, Roadmaps, Milestones, System Architecture, Software Architecture, Requirements Analysis, JavaScript, HTML, CSS, Angular, Database Design, Cloud Architecture, App Development, API Integration, Mobile Development, Mobile Apps, Android, iOS, Bluetooth, Mobile GPS, Minimum Viable Product (MVP), Proof of Concept (POC), Apple Pay, Integration, Development, Google Cloud Platform (GCP), REST APIs, Data Architecture, Software Development, Web Development, Cross-platform, Git, Cloud Firestore, Google Cloud Functions, Firebase Cloud Functions, SQL, Master Planning, Advisory, Microservices, SaaS, Technology Strategy & Architecture, Twitter, Xcode, SwiftUI, Product Management, ASP.NET, User Experience (UX), User Interface (UI), Nuxt.js, Java, Google SEO, SEO Tools, Open Office, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Widgets, Code Review, Team Management, NetSuite, Marketplaces, IT Project Management, Linux, XML, Enterprise Architecture, C#.NET, MEAN Stack, Product Strategy

Co-founder and CTO

2019 - PRESENT
RipSpy
  • Built a cross-platform mobile app for sharing high-quality video surf reports, RipSpy (available on Apple app store and Google Play).
  • Set up the back end in the cloud using Firebase and Google Cloud Platform.
  • Designed UI and UX of the application and cooperated on data-driven improvements of the app UX.
  • Managed and supervised the platform from both the technical and operational sides.
Technologies: Node.js, TypeScript, Google Cloud Platform (GCP), Firebase, Java, Swift, Dart, Flutter, Mobile, Architecture, Full-stack, CTO, Roadmaps, Milestones, System Architecture, Software Architecture, Requirements Analysis, JavaScript, HTML, CSS, Back-end, Cloud, Database Design, Cloud Architecture, App Development, API Integration, Mobile Development, Mobile Apps, Android, iOS, Bluetooth, Mobile GPS, Near-field Communication (NFC), Artificial Intelligence (AI), Minimum Viable Product (MVP), Proof of Concept (POC), Chatbots, Apple Pay, Integration, Development, REST APIs, Data Architecture, Software Development, Web Development, Cross-platform, Git, Cloud Firestore, Google Cloud Functions, Firebase Cloud Functions, Video Streaming, Design Systems, Video Livestreaming, Twilio, VoIP, SQL, Platforms, Advisory, Microservices, SaaS, Technology Strategy & Architecture, POS, OAuth 2, Twitter API, Xcode, Elixir, Product Management, User Experience (UX), User Interface (UI), AdonisJS, Google SEO, SEO Tools, Open Office, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Widgets, Adobe ExtendScript Toolkit, Code Review, Team Management, Webflow, Marketplaces, IT Project Management, Test-driven Development (TDD), Heroku, Automated Testing, Hosting, Linux, XML, Enterprise Architecture, C#.NET, MEAN Stack, Express.js, Product Strategy

Senior Mobile App Developer

2023 - 2024
ChatSnap
  • Voice-controlled mobile chat app for the construction industry.
  • Developed a multilingual tool to allow different nationals to cooperate in construction.
  • Architected the voice-controlled mobile app and the whole construction management platform.
Technologies: Android, iOS, Voice Recognition, Voice Chat, AngularJS, Product Strategy

Software Developer

2018 - 2019
PeachPie
  • Developed features of a state-of-the-art .NET compiler for PHP.
  • Created a mobile application in Xamarin running on .NET Core, utilizing OpenGL for 3D graphics, written completely in PHP as a showcase.
  • Wrote a blog post describing the possibilities that showcase what the mobile app in PHP brings to current web developers.
Technologies: Xamarin, PHP, C#, .NET Core, Architecture, Full-stack, Web, Requirements Analysis, JavaScript, Database Design, Cloud Architecture, App Development, API Integration, Mobile Development, Mobile Apps, Android, iOS, Bluetooth, Mobile GPS, Minimum Viable Product (MVP), Proof of Concept (POC), Integration, Development, Google Cloud Platform (GCP), Data Architecture, Software Development, Web Development, Cross-platform, Git, Cloud Firestore, MySQL, SQL, Advisory, Microservices, SaaS, Technology Strategy & Architecture, Magento, Magento 1, Product Management, ASP.NET, ASP.NET MVC, Razor, Docker, User Experience (UX), User Interface (UI), PostgreSQL, Open Office, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Widgets, Code Review, Team Management, Visio, Test-driven Development (TDD), Automated Testing, XML, Enterprise Architecture, C#.NET

Full-stack Developer

2017 - 2018
Orchestr8
  • Cooperated with the redesign of an enterprise-level web application for demand-driven supply chain planning from scratch.
  • Co-architected the platform and developed basic back-end functionality.
  • Rewrote a complex data filtering component in Vue and integrated it into legacy Visual Basic code.
Technologies: Vue, Microsoft SQL Server, .NET Core, Architecture, Full-stack, Web, Software Architecture, Requirements Analysis, JavaScript, React, Amazon Web Services (AWS), Database Design, Cloud Architecture, App Development, API Integration, Mobile Development, Mobile Apps, Android, iOS, Mobile GPS, Minimum Viable Product (MVP), Proof of Concept (POC), Integration, Development, Google Cloud Platform (GCP), Software Development, Web Development, Cross-platform, Git, MySQL, SQL, Advisory, Microservices, SaaS, Technology Strategy & Architecture, Kubernetes, Product Management, ASP.NET, ASP.NET MVC, Razor, Docker, ANSI SQL, User Experience (UX), User Interface (UI), Open Office, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Azure, Google Ads, Widgets, C++, Code Review, Jira, Test-driven Development (TDD), Automated Testing, XML, Enterprise Architecture, C#.NET

RipSpy

http://www.ripspy.com
A cross-platform mobile app for sharing high-quality surf video reports and service providing daily reports.

Parknito

http://www.parknito.cz
An Airbnb for parking: Parknito is an online platform that allows anyone to share and rent parking space and it includes automated license plate reading technology, IoT devices to open parking gates, and parking management, among other functions.

FX Trading Revolution

http://www.fxtradingrevolution.com
A high-profile forex trading information web and blog: the project includes a .NET Core web app highly focused on performance and admin applications for managing different web parts, including WYSIWYG editors, custom CMS, and the whole infrastructure hosted on the cloud behind.

Mountain Manager

https://mountainmanager.info/
An app for ski slopes, MTB trails, and equipment management for every mountain resort

It makes your resort operations efficient and your life easier and allows you to log safety checks, tasks, issues, vehicle rides, refueling, and other snowgun operations. Opening and closing slopes and trails then sound like a certainty.

GoVidiGo

https://govidigo.com/
An online video courses platform that is basically a Udemy clone with much improved UX, processes, and videos. Available as a web, iOS, and Android app, it is a platform for creators to build online courses and sell them with ease, including messaging or video/voice calling with clients directly in the app through a remote coach.

Languages

HTML5, Dart, C#, TypeScript, C++, Python, Java, JavaScript, HTML, CSS, SQL, Go, GraphQL, Python 3, C, XML, C#.NET, PHP, Swift, Kotlin, Elixir, Embedded C++, Embedded C, CSS3, Solidity, Objective-C, Snowflake

Frameworks

ASP.NET, Flutter, .NET, .NET Core, AngularDart, Angular, React Native, OAuth 2, ASP.NET MVC, Razor, Next.js, Tailwind CSS, Material UI, Svelte, gRPC, Electron, AngularJS, ASP.NET Core, Blazor, Angular Material, Ionic, Unity, Unity3D, UIKit, Quasar, Django, Express.js, Selenium, SwiftUI, Nuxt.js, AdonisJS, Unreal Engine

Libraries/APIs

Google Maps API, REST APIs, Vue, Node.js, React, Stripe, Apple Subscriptions, Sockets, PostgREST, Social Media APIs, Google Sheets API, Protobuf, Core Image, D3.js, Facebook API, Google API, Beautiful Soup, Google Maps, Stripe API, Twitter API, Venmo API, React Redux, Babylon.js, Three.js, LinkedIn API, Instagram API, NetSuite API, TensorFlow, Keras, Spotify API, Apple Music API, NW.js

Tools

Xcode, Visual Studio, Git, GitHub, MQTT, Wix, Open Office, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Adobe, Chrome Developer Tools, Jira, Cron, Facebook Pixel, Stripe Checkout, Microsoft Power BI, Adobe Experience Manager (AEM), JSX, AWS AppSync, Prisma, Bubble, Android Studio, Postman, Adobe ExtendScript Toolkit, AWS CloudFormation, Visio, AWS Fargate, Final Cut Pro, Oracle ERP

Paradigms

API Architecture, Web Architecture, Mobile Development, DevOps, Database Design, App Development, Cross-platform, Microservices, Serverless Architecture, Search Engine Optimization (SEO), B2B, Test-driven Development (TDD), Automated Testing, Hosting, Unit Testing, Low-code Development, MEAN Stack, RESTful Development, Agile, Human Interface Design, REST, Requirements Analysis, Functional Programming

Platforms

Android, iOS, Google Cloud Platform (GCP), Firebase, Docker, Web, Blockchain, Visual Studio Code (VS Code), Algolia, Kubernetes, Apple, WordPress, Shopify, Linux, Typesafe, FlutterFlow, Mobile, Amazon Web Services (AWS), Twilio, AWS Lambda, Twitter, Magento, Webflow, Heroku, Embedded Linux, Mapbox, NVIDIA CUDA, Xamarin, Azure, Magento 1, Bluetooth LE, AWS IoT, Salesforce

Storage

Google Cloud, MySQL, Cloud Firestore, Databases, PostgreSQL, Elasticsearch, Database Migration, MongoDB, PSQL, Microsoft SQL Server, ANSI SQL, RDBMS, Azure Active Directory, SQL Server 2017

Industry Expertise

Cybersecurity, Social Media, Marketing

Other

Technical Leadership, Technical Analysis, Computer Vision, CTO, Leadership, Full-stack, OCR, User Experience (UX), APIs, Machine Learning, Artificial Intelligence (AI), Architecture, Product Management, Mobile App Development, Web App Development, CI/CD Pipelines, Google Cloud Functions, Data Engineering, Team Management, Code Review, Software Architecture, Back-end, Cloud, Cloud Architecture, API Integration, Mobile Apps, Mobile GPS, Minimum Viable Product (MVP), Proof of Concept (POC), Apple Pay, Integration, Development, App UX, Crypto, Data Architecture, Industrial Internet of Things (IIoT), Software Development, Web Development, Firebase Cloud Functions, Video Streaming, Design Systems, Video Livestreaming, Video Players, Platforms, Master Planning, Advisory, SaaS, Technology Strategy & Architecture, Web3, Videos, Data Analysis, Algorithms, Reverse Engineering, Data Visualization, App Store, Subscriptions, Quality Assurance (QA), Fraud Prevention, System Administration, Telnet Protocol, Regular Expressions, Front-end, Payment APIs, MVP Design, User Interface (UI), Stripe Payments, Project Consultancy, Online Payments, Digital Payments, Software Design, Location Services, GPS, Mobile Architecture, Headless Software, HTML5 Video, Google SEO, SEO Tools, Content Management Systems (CMS), Lambda Functions, Charts, Reports, Reporting, Performance, Scalability, Web Scraping, Scraping, Data Privacy, Data Analytics, Natural Language Processing (NLP), Google Ads, Iframes, Widgets, Team Leadership, Adobe Creative Cloud, SDKs, Plugins, Serverless, Google Analytics 4, Google Tag Manager, Technical Consulting, Voice Recognition, Voice Chat, PDF, Marketplaces, IT Project Management, Image Manipulation, Video Editing, Security Design, Embedded Systems, Data Scientist, Factor Analysis, Product Roadmaps, Startups, Platform as a Service (PaaS), Data Extraction, Data Wrangling, Apify SDK, Robotic Process Automation (RPA), Video Encoding, Enterprise Architecture, PayPal, App UI, Apps, LiveStream, CEO, Site Reliability Engineering (SRE), Enterprise Resource Planning (ERP), Customer Relationship Management (CRM), Product Strategy, Enterprise SaaS, Multitenancy, SaaS Design, Data Scraping, OpenAI, Technical Architecture, UX Analysis, Internet of Things (IoT), System Architecture, Microfrontends, Deep Learning, Big Data, Product Design, Material Design, Functional Specifications, Roadmaps, Milestones, Trading, Digital Asset Management, Bluetooth, Hardware, Chatbots, Finance, VoIP, POS, OpenAI GPT-4 API, Icon Design, Audio, Strapi, Video SEO, Amazon RDS, Unity3D Native Plugin Interface, Generative Pre-trained Transformers (GPT), ChatGPT, Amazon Cognito User Pools, Excel Add-ins, NetSuite, AVFoundation, Games, Facebook Ads, Neural Networks, Decision Modeling, Software Engineering, Computer Science, Web 3.0, Near-field Communication (NFC), Live Chat, Video Chat, B2B Wallets, Accessibility, WiFi Direct, Carbone, Azure Service Bus, NVIDIA Codec SDK, Drones

2017 - 2020

Master's Degree in Software and Data Engineering

Math and Physics Faculty, Charles University - Prague, Czech Republic

2014 - 2017

Bachelor's Degree in Computer Science

Math and Physics Faculty, Charles University - Prague, Czech Republic

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