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David Sargsyan

Frontend Engineer

Glendale, CA, USA
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Careers

Freelancer

Unemployed

Freelance09/2022 - 01/2023
  1. - Built the entire project including back-end and front-end for Blackcat NFT gallery: Node.js Next.js - Built the Front-end for Serpenta NFT minting site: React.js - Building Front-end of admin and client panels for Billing and Ticketing system : React.js
Software Developer

OpenBoxSolutions

Contract09/2019 - 08/2022
  1. - Back-end Developer ○ Developed with serverless Node.js and JavaScript. ○ Built architecture using AWS Lambda, API Gateway, AWS CloudFormation ○ Used the following tools for CI/CD: Vercel, Heroku, Docker, EC2, AWS and Azure ○ Built back-end for media streaming platform : Node.js Express.js ○ Built back-end for cross-chain marketplace : Node.js Express.js ○ Helped develop APIs using the following back end: Python Php - Front-end Developer ○ Led the development of front-end for a vehicle rental system: Next.js Typescript ○ Built SPAs with responsive and adaptive design for web and mobile view : React.js ○ Make website source code optimized for SEO : React, React Native, Javascript ○ Reviewed code for front-end written by other devs ○ Designed and implemented FE architectures for websites including e-commerce: ○ React.js and React Native ○ Helped interviewing candidates for frontend roles - Blockchain Developer ○ Wrote smart contract for NFT marketplace: Solidity ○ Wrote smart contract for NFT minting and Raffle: Rust
Software Developer

Server Density

Contract03/2018 - 08/2019
  1. - Front-end Developer ○ Developed common web components with MaterialUI and Storybook : React.js ○ Developed UI components, integrated them into existing code, and supported production web & mobile apps: React.js, React Native, Javascript, Typescript ○ Integrated NFT marketplace UI with smart contracts on Ethereum and Solana chains ○ Developed unit tests and component snapshot tests using Jest ○ Helped to Create custom courseware for React, Redux - Back-end Developer ○ Developed highly scalable and robust API platform components and frameworks, as well as cloud services : Node.js Express.js Laravel ○ Designed and developed client-server data-driven applications and informational systems : Node.js, Django ○ Built Back-end for real time video chatting app of tele health service platform : Node.js
Freelancer

Unemployed

Freelance05/2017 - 02/2018
  1. Planned and implemented backend and database architecture of the hospital : Javascript Node.js - Developed SPA for Dating app - Designed and implemented secure REST APIs : Javascript - Implemented CI/CD pipeline by using github and Azure - Made unit tests and performance tests for front-end : javascript
Front-end Developer

BeeWeb

Full time05/2014 - 04/2017
  1. - Turned mockups and designs into actual responsive websites and sliced or extracted the PSDs myself when asked : Javasciprt Html Css - Coded multiple custom scripts and styles for particular modules on each website based on the requests of the client or designer: Javasciprt Html Css - Collaborated with team members via Git - Finished responsive 3-5 pagers in less than 48 hours, given specific time frames ranging from 3 to 5 days: Javasciprt Bootstrap Html Css - Constructed the website from scratch with a team of three : React - Built a front-end widget that is added as a single external script to an HTML page but works as a big library using vanilla JavaScript and jQuery - Created normal UI components: Typescript, React

Education

Yerevan State Unversity

IT

04/2011 - 03/2014Bachelor's DegreeClass of 2014
Skills
React.jsReact NativeNodeJavascriptSolidityAngularRustWeb3
ExperienceSenior-level8+ years
Hourly rate$50/hr

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