Hayk Atoyan, Developer in Yerevan, Armenia
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Hayk Atoyan

Verified Expert  in Engineering

Front-end Developer

Location
Yerevan, Armenia
Toptal Member Since
March 31, 2022

Hayk has been developing web applications for five years, specializing in JavaScript, React, and Vue.js front-end ecosystems. He has used multiple front-end and back-end technologies to develop products for fintech, banking, blockchain, and eCommerce. Hayk has a bachelor's degree in mathematics and computer science.

Portfolio

Evergen
Redux, Recoil, Vite, NestJS, RESTful Microservices, AWS Lambda, Amazon DynamoDB...
Toptal Client
Front-end, React, AWS Amplify, REST, Non-fungible Tokens (NFT), Lodash...
Crypterium
JavaScript, React, MobX, Redux, CSS5, SCSS, Front-end, TypeScript, REST, HTML...

Experience

Availability

Part-time

Preferred Environment

Slack, Jira, GitHub, GitLab, Bitbucket

The most amazing...

...project I've delivered is laava.id, an Australian product-authentication technology using Laava Smart Fingerprints.

Work Experience

Senior Full-stack Developer

2022 - 2023
Evergen
  • Developed the DERMS (Distributed Energy Resources Management System) website UI with React/Redux and Material 5 and supported 10+ platform microservices.
  • Fixed existing bugs and supported refactoring the services to the new front- and back-end standards, including migration to a Vite in the front end and migration from Redux to Recoile state manager.
  • Kept track of deployed Bitbucket pipelines and supported the DevOps team.
Technologies: Redux, Recoil, Vite, NestJS, RESTful Microservices, AWS Lambda, Amazon DynamoDB, Amazon Cognito User Pools, JavaScript, React, Next.js, Tailwind CSS, Full-stack Development, Amazon Web Services (AWS), TypeScript, Recoile, Svelte, API Development, API Integration, APIs, GraphQL, Lodash, Microservices Architecture, Microservices, SQL, PostgreSQL, TypeORM, MongoDB, Mongoose, Chrome Developer Tools, React Query

Senior Front-end Developer

2022 - 2022
Toptal Client
  • Developed the UI of the AI-based cryptocurrency network using React/Context API and MUI v5.
  • Worked with the Scratch APIs and supported the back-end development.
  • Kept track of the pipeline work in the production.
Technologies: Front-end, React, AWS Amplify, REST, Non-fungible Tokens (NFT), Lodash, Chrome Developer Tools

Senior Front-end Developer

2021 - 2022
Crypterium
  • Developed an admin app for the Crypterium website using React/Redux and Material UI.
  • Conducted sprint planning with the team lead and estimated tasks.
  • Provided project overviews for newcomers and helped them engage in the project.
Technologies: JavaScript, React, MobX, Redux, CSS5, SCSS, Front-end, TypeScript, REST, HTML, CSS, JSX, HTML5, Vercel, Lodash, Chrome Developer Tools

Senior Front-end Developer

2020 - 2021
Randewoo
  • Developed the company's main eCommerce product and assisted other developers with their tasks.
  • Created and developed a scent-related website from scratch using Vue.js and Nuxt.js.
  • Conducted a code review and helped newcomers with their tasks.
Technologies: JavaScript, React, Redux, CSS5, Vuex, Vue, Nuxt.js, Code Review, AngularJS, Front-end, HTML, CSS, JSX, Next.js, HTML5, YAML, Lodash, Chrome Developer Tools

Full-stack Developer

2018 - 2020
Simply Technologies
  • Developed laava.id, a genuine product scanner, and another app using OWASP principles.
  • Conducted a code review and part of the QA job to find bugs in colleagues' projects.
  • Checked the CI/CD experience in projects and assisted with setups and improvements.
Technologies: JavaScript, CSS5, React, Redux, Code Review, OWASP, Progressive Web Applications (PWA), Front-end, TypeScript, REST, HTML, CSS, JSX, Next.js, HTML5, Full-stack Development, NestJS, API Development, API Integration, APIs, GraphQL, Apollo, Apollo Server, Lodash, jQuery, SQL, PostgreSQL, TypeORM, MongoDB, Mongoose, Chrome Developer Tools, Bootstrap, OWASP Top 10

Full-stack Developer

2016 - 2018
SmartCorner
  • Developed numerous outsourced projects, including an eCommerce app.
  • Performed code reviews and assisted developers in accomplishing their tasks.
  • Interviewed people for JavaScript and full-stack positions.
Technologies: JavaScript, Node.js, AngularJS, Angular, Code Review, Full-stack, Front-end, REST, HTML, CSS, HTML5, Chrome Extensions, Full-stack Development, API Development, API Integration, APIs, GraphQL, Apollo, Apollo Server, jQuery, SQL, PostgreSQL, TypeORM, MongoDB, Mongoose, Chrome Developer Tools, Bootstrap

DERMS

https://derms.evergen.energy/
The DERMS web app on the Evergen platform serves as a comprehensive solution empowering users to manage their distributed energy resources efficiently, explicitly focusing on solar and battery assets. As the lead front-end developer at Evergen, I played a central role in shaping the user experience and functionality of the DERMS platform. Had a role in the broader platform's architecture by actively contributing to various microservices. Assisted in bug fixes, enhancements, and optimizations to improve the overall reliability and performance of the DERMS services.

Scratch Engine

A research, assessment, and loan platform for the NFT market, where users can register and get a certain amount of money by loading an NFT from specific public collections. The app consists of two parts: platform and landing page. The platform can be accessed by visiting the landing page. As a front-end developer for the NFT Market App, I was vital in architecting and implementing the user interface using React and Material UI, contributing to the platform's success. My primary responsibilities centered around creating an engaging, responsive, visually appealing front-end that facilitated seamless interaction for users navigating the NFT marketplace.

Laava | Genuine Product Scanner

https://laava.id/
A web app that allows consumers to use their smartphones to scan Laava Smart Fingerprints to verify a product's authenticity and connect with the brand story. The app provides a trusted gateway for brands to prove their claims and authentic brand identities. As a front-end developer for the Laava project, I played a vital role in creating a dynamic and user-friendly web app that empowered consumers to verify product authenticity through the innovative Laava Smart Fingerprints.

Crypterium Crypto Wallet

https://crypterium.com/
The app provides a crypto wallet to buy BTC, ETH, and other cryptos with your bank card or instantly get a free Visa card to withdraw worldwide. You can get your wallet for Bitcoin or 19 different cryptocurrencies.
As a front-end developer for Crypterium, I had the exciting opportunity to contribute to developing their admin platform. Crypterium, known for providing a comprehensive crypto wallet and financial services, entrusted me with the responsibility of enhancing its admin platform's user interface and functionality.

Randewoo Shop

https://randewoo.ru/
Randewoo is an online shop where you can buy perfume or cosmetics with a new interface and checkout. As the Frontend Developer at Randewoo, I played a huge role in reshaping the online shopping experience, with a primary focus on revamping the checkout system, which was approximately 20% of the whole app.
2013 - 2017

Bachelor's Degree in Mathematics and Computer Science

National Polytechnic University of Armenia - Yerevan, Armenia

Libraries/APIs

React, API Development, Lodash, React Query, Vuex, Vue, jQuery, Node.js, MobX, RxJS, AWS Amplify

Tools

JSX, Mongoose, Chrome Developer Tools, Slack, Redux Thunk, Amazon CloudWatch, Amazon CloudFront CDN, Jira, GitHub, GitLab, Bitbucket, Free Pascal, GitLab CI/CD

Frameworks

Redux, Material UI, NestJS, Serverless Framework, Tailwind CSS, Bootstrap, Next.js, Ant Design, React Native, Svelte, AngularJS, Angular, Nuxt.js

Languages

JavaScript, HTML5, XML, CSS, HTML, YAML, GraphQL, SCSS, TypeScript, SQL, C++, C

Storage

MongoDB, Amazon DynamoDB, Amazon S3 (AWS S3), PostgreSQL

Platforms

AWS Lambda, Vercel, Amazon Web Services (AWS)

Paradigms

REST, Microservices Architecture, Microservices

Other

Front-end, Recoil, Full-stack Development, Recoile, API Integration, APIs, Apollo, Apollo Server, TypeORM, CSS5, Progressive Web Applications (PWA), Full-stack, Vite, RESTful Microservices, Amazon Cognito User Pools, Amazon API Gateway, OWASP Top 10, Code Review, OWASP, Chrome Extensions, Non-fungible Tokens (NFT)

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