Alan Hadyk
React, TypeScript, and GraphQL Developer
Location
Myslowice, Poland
Toptal Member Since
April 2, 2021
Alan is a vision-driven change agent with a career-long record of front-end user strategy and UI development. He has a proven talent for aligning software development strategy and objectives with an established user interface implementation and technology management paradigms to maximize operational impacts with minimum resource expenditures. Alan is an exceptionally dedicated tech professional and thought leader with keen organizational skills, coding expertise, and best practice compliance.
Alan is available for hire
Hire AlanPortfolio
Stealth Healthcare SaaS startup
Front-end, React, Tailwind CSS, TypeScript, Prisma, GraphQL, Apollo...
Stealth Real Estate Startup
JavaScript, TypeScript, React, Next.js, Tailwind CSS, Auth0, Webpack, Jest...
Tribe Technologies
JavaScript, TypeScript, React, Next.js, Tailwind CSS, Chakra UI, Webpack, Jest...
Experience
JavaScript - 12 yearsReact - 6 yearsJest - 6 yearsNode.js - 4 yearsStyled-components - 4 yearsTypeScript - 4 yearsApollo - 3 yearsGraphQL - 3 yearsLocation
Availability
Part-time
Preferred Environment
JavaScript, TypeScript, React, React Native, Node.js, Express.js, GraphQL, Styled-components, Jest, Cypress
The most amazing...
...project I've worked on is an engine empowering community-led business. It was exciting to work on a product that enables communities to spark connections.
Work Experience
2022 - 2022
Senior React Developer
Stealth Healthcare SaaS startup
- Developed doctor's and patient's journey, called engagement, which was an essential part of the application.
- Improved performance by implementing lazy loading of routes and extracting code in reusable pieces.
- Improved app's architecture by refactoring code and separating concerns like business, UI, and other layers.
- Demonstrated expertise in the utilization of GraphQL to communicate with the back end.
Technologies: Front-end, React, Tailwind CSS, TypeScript, Prisma, GraphQL, Apollo, GraphQL Code Generator, React Apollo, Pixel Perfect, Responsive Web Apps
2021 - 2022
Front-end Architect
Stealth Real Estate Startup
- Created scalable front-end architecture for the MVP version of a real estate web app from scratch.
- Applied development and certified adherence to best practices to deliver features for front-end apps based on React, Next.js, TypeScript, Apollo, GraphQL, Auth0, and Tailwind.
- Streamlined project timelines to ensure the application was being developed.
- Actively participated in all stages of product building.
- Transformed and created reusable components (smart and dumb).
- Demonstrate expertise in the utilization of GraphQL to communicate with the back end.
Technologies: JavaScript, TypeScript, React, Next.js, Tailwind CSS, Auth0, Webpack, Jest, React Testing Library, Cypress, Node.js, Apollo, GraphQL, Docker, Pixel Perfect, Responsive Web Apps
2021 - 2021
Senior Full-stack Developer
Tribe Technologies
- Created scalable and sane front-end architecture. Applied development and certified adherence to best practices to deliver features for front-end applications based on React, Next.js, TypeScript, Apollo, GraphQL, Chakra, and Tailwind.
- Applied development and certified adherence to best practices to deliver features for back-end applications based on NestJS, TypeScript, GraphQL, and PostgreSQL.
- Streamlined project timelines to ensure the application is being developed.
- Transformed and created reusable components. Authored unit, integration, and acceptance tests.
- Demonstrated expertise in the utilization of GraphQL to communicate with the back end.
Technologies: JavaScript, TypeScript, React, Next.js, Tailwind CSS, Chakra UI, Webpack, Jest, React Testing Library, Cypress, Node.js, NestJS, Apollo, GraphQL, Docker, GitLab, GitLab CI/CD, Pixel Perfect, Responsive Web Apps
2018 - 2021
Senior Full-stack Developer
Omise
- Took on a major role in creating the dashboard application for merchants, used by 5,000+ businesses.
- Orchestrated and directed collaborative team operational objectives for the front-end layer of an application designed to manage payment systems.
- Implemented the development and ensured we followed best practices to deliver applications based on React.
- Streamlined project timelines to ensure the application is being developed as planned.
- Developed an API gateway in the form of Express/Node.js server, along with Apollo/GraphQL stack.
- Transformed and created reusable components and functions.
- Authored unit, integration, smoke, and acceptance tests.
- Demonstrated expertise in the utilization of GraphQL to communicate with the back end.
- Mentored, performed code reviews, and helped junior front-end developers.
Technologies: JavaScript, Ruby, React, Ruby on Rails (RoR), Sinatra, Styled-components, Webpack, Jest, Enzyme, React Testing Library, Cypress, Node.js, Express.js, Apollo, GraphQL, Docker, Jenkins, Buildkite, Jira, Museums & Exhibits, Basecamp, HTML, Redux, REST, CSS, Confluence, Continuous Deployment, CSS3, CSS3 Animation, Git, Google Lighthouse, HTML5, PageSpeed, User Interface (UI), ECMAScript (ES6), Front-end, GitHub, Fintech, Full-stack, Agile, Web Development, Architecture, REST APIs, JSON, SVG, Pixel Perfect, Atom, Responsive Web Apps
2017 - 2018
Senior Front-end Developer
SHIJI
- Orchestrated and directed the team's operational objectives for the front-end layer of an application designed to manage hotels.
- Developed the app and certified adherence to best practices to deliver PoC based on React.
- Streamlined the project timelines to ensure the application is being developed in Ember.js with TypeScript.
- Transformed and created reusable components and managed adapters, models, and serializers.
- Wrote unit, integration, smoke, and acceptance tests.
- Applied my expertise in the utilization of REST to communicate with the back end.
- Performed code reviews, trained, and helped junior front-end developers.
Technologies: JavaScript, TypeScript, React, Redux, Ember.js, Sass, Docker, QUnit, Webpack, Node.js, REST, Zeplin, Jira, Jenkins, GitLab, Jest, HTML, Enzyme, Less, CSS, Continuous Deployment, CSS3, CSS3 Animation, Git, HTML5, Microsoft Teams, PageSpeed, User Interface (UI), ECMAScript (ES6), GitHub, Confluence, Front-end, Agile, Web Development, REST APIs, JSON, SVG, Pixel Perfect, Atom, SCSS, Responsive Web Apps
2015 - 2017
Front-end Developer
SAP
- Aligned objectives and bridged communication for UI development and monitoring of various projects and services.
- Promoted synchronized communication to produce Agile methodology across projects.
- Sought as a speaker to engage and deliver university lectures.
- Navigated rapidly evolving digital technology landscapes to drive team comprehension of JavaScript frameworks.
- Enabled our product team to tap into valuable data sources and build incredible features for our customers.
Technologies: JavaScript, CoffeeScript, React, Redux, CSS Modules, Webpack, Node.js, Docpad, Jest, Enzyme, Jira, Stash, Bamboo, HTML, Adobe Photoshop, Sass, REST, CSS, Confluence, Continuous Deployment, CSS3, CSS3 Animation, Git, HTML5, PageSpeed, User Interface (UI), ECMAScript (ES6), GitHub, Front-end, Agile, Web Development, REST APIs, JSON, SVG, Pixel Perfect, Atom, SCSS, Responsive Web Apps
2010 - 2015
Front-end Developer
dih.pl
- Optimized and systematized UI development, and sometimes design, of various eCommerce projects.
- Bolstered continued professional development with concepts and technologies, such as CSS preprocessors, UI pattern libraries, and JavaScript task runners.
- Presented innovative approaches in the form of brown bags to all engineers to help shape our technical market presence.
- Fostered cross-functional communication with information technology, end users, and other stakeholders to translate needs into system requirements, solid solutions, and reliable results.
- Made informed decisions to incorporate the use of defect and enhancement tracking software and processes.
Technologies: JavaScript, Sass, Less, jQuery, PrestaShop, Redmine, HTML, Adobe Photoshop, CSS, CSS3, CSS3 Animation, HTML5, User Interface (UI), Front-end, Web Development, REST APIs, JSON, Pixel Perfect, SCSS, Responsive Web Apps
2008 - 2010
Freelance Developer
Self-employed
- Employed personal referral networks to attain small job order contracts.
- Initialized personal motivation to acquire front-end development skills.
- Cultivated strong ties to the technology community through exemplified demonstration of abilities.
- Coordinated development of interactive web-based data visualizations, including interactive charts and maps.
Technologies: CSS, HTML, JavaScript, jQuery, Adobe Photoshop, CSS3, CSS3 Animation, User Interface (UI), Front-end, Web Development, REST APIs, JSON, Responsive Web Apps
Experience
Personal Website
https://alanhadyk.dev/My personal website is a React application that showcases my most important front-end development and design skills. This web application allowed me to expand his business referral network. The source code is publicly available in his GitHub profile.
As a sole creator, I designed and developed this application using cutting-edge front-end technologies, such as React, service workers, styled components, and TypeScript. Since its launch, the project resulted in 100+ new business proposals in a couple of months.
As a sole creator, I designed and developed this application using cutting-edge front-end technologies, such as React, service workers, styled components, and TypeScript. Since its launch, the project resulted in 100+ new business proposals in a couple of months.
Cryptonetic
I am the founder of Cryptonetic. This project is not publicly available yet.
Why Cryptonetic?
• The top 100 wallets hold 18% of Bitcoin's value. The biggest players can easily control the market at the expense of millions of smaller investors. Join the revolution and defy the establishment!
How does Cryptonetic work?
• It's very simple—earn trust tokens on the Cryptonetic platform and spend them by voting for cryptocurrencies you believe in. Trust tokens reflect your belief in the value of a particular project. For 50% of the value of each deposit, we will purchase the cryptocurrency you voted for. At the end of each month, we will draw users to win cryptocurrencies purchased with trust tokens.
What is Cryptonetic?
• Cryptonetic is an infinite map that lists all cryptocurrencies, and cryptocurrency exchanges, sorted by the trust people have in them. You will find detailed information about cryptocurrencies such as trading volume, volume, exchange rate, and position on our list. We will help you decide which cryptocurrency exchange to choose based on information such as the number of cryptocurrencies available, stable coins, daily volume, and market/taker commission.
Why Cryptonetic?
• The top 100 wallets hold 18% of Bitcoin's value. The biggest players can easily control the market at the expense of millions of smaller investors. Join the revolution and defy the establishment!
How does Cryptonetic work?
• It's very simple—earn trust tokens on the Cryptonetic platform and spend them by voting for cryptocurrencies you believe in. Trust tokens reflect your belief in the value of a particular project. For 50% of the value of each deposit, we will purchase the cryptocurrency you voted for. At the end of each month, we will draw users to win cryptocurrencies purchased with trust tokens.
What is Cryptonetic?
• Cryptonetic is an infinite map that lists all cryptocurrencies, and cryptocurrency exchanges, sorted by the trust people have in them. You will find detailed information about cryptocurrencies such as trading volume, volume, exchange rate, and position on our list. We will help you decide which cryptocurrency exchange to choose based on information such as the number of cryptocurrencies available, stable coins, daily volume, and market/taker commission.
Tribe
https://tribe.so/Tribe is an engine empowering community-led businesses, such as IBM, ASUS, and Pipedrive, and a customizable community platform.
I was deeply involved in the process of developing various features for the front-end and back-end layers of Tribe's social platform. Features such as setting custom domain, following posts, or FullStory integration allowed Tribe to gain new customers and increase revenue.
I was deeply involved in the process of developing various features for the front-end and back-end layers of Tribe's social platform. Features such as setting custom domain, following posts, or FullStory integration allowed Tribe to gain new customers and increase revenue.
Skills
Languages
JavaScript, TypeScript, GraphQL, HTML, Less, CSS, CSS3, HTML5, ECMAScript (ES6), SCSS, Sass, Ruby, CoffeeScript
Frameworks
Jest, Redux, Next.js, Tailwind CSS, React Native, Express.js, Cypress, Ruby on Rails (RoR), Sinatra, Ember.js, QUnit, NestJS
Libraries/APIs
React, jQuery, REST APIs, Node.js
Tools
Adobe Photoshop, Confluence, Git, React Apollo, Webpack, Jira, GitLab, GitHub, Figma, GitLab CI/CD, Atom, Jenkins, Basecamp, Zeplin, Docpad, Stash, Bamboo, PrestaShop, Redmine, Microsoft Teams, PageSpeed, Canvas, Sequelize, Auth0, Prisma
Paradigms
REST, E2E Testing, Unit Testing, Continuous Deployment, Agile, Test-driven Development (TDD)
Storage
JSON, PostgreSQL, MongoDB
Other
Styled-components, Sound Editing, Enzyme, React Testing Library, Apollo, CSS Modules, CSS3 Animation, User Interface (UI), Front-end, Web Development, SVG, Atomic Design, Apollo Server, Pixel Perfect, Storybook, CSS-in-JS, Front-end Development, Responsive Web Apps, Museums & Exhibits, Architecture, Progressive Web Applications (PWA), Mastering, Mixing, Service Workers, Google Lighthouse, Fintech, Full-stack, NodeMailer, WebSockets, Chakra UI, GraphQL Code Generator, API Integration
Platforms
Docker, Buildkite, Firebase
Education
2008 - 2010
Associate's Degree in Sound Engineering
Regionalny Ośrodek Edukacji - Katowice, Poland
2004 - 2007
High School Diploma in Information Technology
SOSW - Tarnowskie Góry, Poland