I have worked as a senior front-end developer and Head of Frontend. In this role, I was responsible for rewriting the existing platform to optimize its performance and enhance maintainability. Collaborating closely with the CTO, I successfully created a new platform that is highly optimized, follows micro front-end architecture, and offers improved maintainability.

In my role as a senior frontend developer, I was responsible for maintaining, updating, and adding features to the Join.com SASS platform. I employed a BDD (Behavior-Driven Development) approach to ensure high-quality code. Notably, I handled these tasks without the presence of dedicated QA engineers, taking ownership of the quality assurance process as part of my responsibilities.Technologies:Cypress, React testing library, React, Next.js, Typescript, Graphql

I initiated and led the implementation of a re-design for an existing iOS app. Subsequently, I spearheaded the development of an early stage proof of concept prototype focused on enabling NFC cryptocurrency payments between iOS and Android apps. In this endeavor, I personally worked on both applications, utilizing React Native for the shared codebase, bridging Kotlin for Android, and Swift for iOS.Technologies used:Swi 3/4, React Native, BLE, NFC, Kotlin

I was an integral member of the core team at Startup-Yard accelerator in Prague. Initially, I worked onsite for two months and subsequently continued my contributions remotely. Our team successfully developed a minimum viable product (MVP) Chrome extension for signing documents on a side chain Ethereum network.Technologies used:Javascript, React, Solidity, WebAssembly, C++, NodeJS

As a member of a client-based company, I delivered solutions for both server-side and client-side challenges. My primary responsibilities involved engaging with clients, comprehending their requirements, and effectively delegating tasks among team members. Additionally, I played a key role in architecting solutions to meet project deadlines.Technologies used: Javascript, NodeJS, React, Swift

In my role, I directly collaborated with clients to determine their requirements and project goals, ensuring that all objectives were clearly defined and achieved. From project conception to completion, I meticulously planned, developed, and implemented successful projects. Additionally, I was responsible for maintaining and updating production software systems for existing clients, ensuring their continued functionality and satisfaction.Technologies used: Javascript, NodeJS, Mongodb, Custom CMS / CRM

Within the organization, I effectively provided technical guidance to project team members, enhancing their skills and overall project quality. I consistently kept management informed about project progress and promptly addressed any issues, including changes required in schedule, resources, or product.Technologies used: Objective C, PHP

Developed custom web pages for various clients using HTML, CSS and scripting languages ( javascript / JQuery ) with PHP / MYSQL based Backend

Developed custom web pages for various clients using HTML, CSS and scripting languages ( javascript / JQuery ) with PHP / MYSQL based BackendDeveloped a custom ( PHP / MYSQL) CMS to fit better to our clients need

Developed custom web pages for various clients using HTML, CSS and scripting languages ( javascript / JQuery ) with PHP / MYSQL based Backend