Otabek Keldiyorov, Developer in Tashkent, Uzbekistan
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Otabek Keldiyorov

Verified Expert  in Engineering

Software Developer

Location
Tashkent, Uzbekistan
Toptal Member Since
October 1, 2021

Otabek is a software engineer who is mainly focused on web development. He has been operating with JavaScript for over four years, trying out many different frameworks and libraries. As a purposeful contribution to the community, Otabek translated React documentation into the Uzbek language, helping others excel in their skills.

Portfolio

ADA Mobility
Amazon S3 (AWS S3), Node.js, NestJS, TypeScript, React, React Query, Monorepos...
Paige.AI, Inc.
React, TypeScript, Jest, Storybook, YARN, Selenium, Webpack, Babel...
Zucco Tech
JavaScript, React, GitLab, Bitbucket, REST APIs, React Query, Docker, NGINX...

Experience

Availability

Full-time

Preferred Environment

Windows, Ubuntu, Visual Studio Code (VS Code), Slack, Telegram Bots, MacOS

The most amazing...

...problem I've solved is calculating a vehicle's direction according to location data, reminding me why I chose to be a programmer.

Work Experience

Full-stack Developer

2022 - 2023
ADA Mobility
  • Contributed to a car rental application that uses microservice architecture.
  • Implemented live vehicle information and location on map component using OpenStreetMap (Leaflet).
  • Reviewed four to five pull requests each week, providing constructive feedback. Served as a mentor to junior developers, offering guidance and support in tackling challenging tasks.
Technologies: Amazon S3 (AWS S3), Node.js, NestJS, TypeScript, React, React Query, Monorepos, Microservices, Cross-browser Compatibility, CSS3, MySQL, DigitalOcean, React Redux, SCSS, JSON Web Tokens (JWT), Passport.js, Postman, Chai, Mobile First, Material Design, Design Systems, UI Components, OpenAI, React Navigation, Test-driven Development (TDD), API Development, Application State Management, Accessibility, Playwright, Context API, Databases, Expo.io, JSX, Next.js, React Hook Forms, Tanstack Router, Flexbox, Lodash

Software Engineer

2021 - 2022
Paige.AI, Inc.
  • Developed a React-based app with image visualization that uses OpenSeadragon to open high-quality images located in the AWS bucket. The project was Dockerized and deployed to over five locations worldwide via AWS.
  • Pioneered writing Cypress tests and consulted team members about the tool.
  • Developed new features from the ground up and supported existing features with backward compatibility in mind.
Technologies: React, TypeScript, Jest, Storybook, YARN, Selenium, Webpack, Babel, OpenSeadragon, Docker, Monorepos, User Interface (UI), Performance, HTML, CSS, Front-end, Single-page Applications (SPA), APIs, Responsive UI, Figma, Three.js, ECMAScript (ES6), Augmented Reality (AR), Third-party APIs, Team Leadership, GraphQL, Data Visualization, Python, Amazon Web Services (AWS), Responsive Web Apps, Amazon S3 (AWS S3), AWS Lambda, Model View ViewModel (MVVM), UI Design, Electron, Agile Software Development, DOM, REST, HTML5, PostCSS, Styled-components, Emotion Library, Web Development, DevOps, UX Design, Unit Testing, Integration Testing, Testing, Git, Responsive Design, Design, Swagger, Scrum, HIPAA Compliance, Web UX, Web UX Design, Web Design, JavaScript, Code Review, Front-end Development, Axios, API Integration, Cloud Platforms, Web UI, GitHub, Cypress, CI/CD Pipelines, A/B Testing, Agile, Automated Testing, OAuth, Single Sign-on (SSO), Front-end Design, Web & Mobile Applications, QA Automation, Open Source, Software Engineering, Webpack 4, Server-side Rendering (SSR), Contentful, CSS Preprocessors, Web Applications, Jira, Sass, Vite, REST APIs, Containerization, Cross-browser Compatibility, CSS3, React Redux, LaunchDarkly, SCSS, Formik, JSON Web Tokens (JWT), Postman, Chai, Material Design, Design Systems, UI Components, Web Usability, React Navigation, Test-driven Development (TDD), API Development, React Query, Application State Management, Accessibility, jQuery, WCAG 2, Context API, JSX, React Hook Forms, Flexbox, Lodash

Senior Software Developer

2019 - 2022
Zucco Tech
  • Developed an app for influencers to make it easier for them to collaborate, receive donations, and organize giveaways or chats with fans.
  • Created a service to find and post truck loads around the Eurasian continent. It has been downloaded more than 5,000 times on the Play market.
  • Built a marketplace for Uzbekistan with a TikTok-like built-in video service to target more audiences and market goods using Next.js for SEO optimizations.
  • Structured the overall architecture of all front-end apps.
  • Used Nginx and Docker for deployment purposes to an external server.
  • Worked with maps—Leaflet and Google Maps—to display information, track vehicles, and draw routes.
  • Displayed analytics data as a map and charts using D3.
Technologies: JavaScript, React, GitLab, Bitbucket, REST APIs, React Query, Docker, NGINX, Material UI, Chakra UI, Next.js, D3.js, HTML, CSS, Front-end, Single-page Applications (SPA), APIs, Responsive UI, Content Management Systems (CMS), eCommerce, Figma, ECMAScript (ES6), WebGL, Full-stack, Full-stack Development, Third-party APIs, MySQL, Team Leadership, GraphQL, Data Visualization, Python, Gatsby, Responsive Web Apps, MongoDB, Firebase, MERN Stack, Social Media Apps, Model View ViewModel (MVVM), Leadership, Mobile, Accounting, Payment APIs, Billing, Dashboards, Charts, Chrome Extensions, Tailwind CSS, UI Design, Search Engine Optimization (SEO), Web Performance Optimization (WPO), Google SEO, Electron, Agile Software Development, SQL, DOM, REST, HTML5, PostCSS, Styled-components, Emotion Library, Web Development, NestJS, DevOps, UX Design, Unit Testing, Integration Testing, Testing, Prisma, Git, User Interface (UI), Responsive Design, Design, Swagger, Scrum, Sequelize, Apollo Server, TypeScript 3, Architecture, Web UX, Web UX Design, Mixpanel, Web Design, Microservices, Code Review, Elasticsearch, Amazon Simple Email Service (SES), Amazon DynamoDB, Technical Leadership, Angular, Ant Design, Front-end Development, Axios, API Integration, Versel, Serverless, Web UI, Apollo, React Apollo, Expo, SEO Tools, GitHub, Cypress, CI/CD Pipelines, A/B Testing, Google Cloud, Stripe, Agile, Automated Testing, Front-end Design, Web & Mobile Applications, QA Automation, Open Source, Software Engineering, Software Architecture, Webpack 4, Server-side Rendering (SSR), Go, CSS Preprocessors, Web Applications, Drupal, Salesforce API, Maps, Jira, Responsive Web Design (RWD), Sass, Chrome, Containerization, Cross-browser Compatibility, CSS3, Shopify API, Shopify, Customer Relationship Management (CRM), DigitalOcean, React Redux, Payment Gateways, SCSS, Mapbox, JSON Web Tokens (JWT), Passport.js, Twilio API, Postman, Chai, Mobile First, Material Design, React Native, UI Components, Web Usability, React Navigation, Test-driven Development (TDD), Zustand, API Development, Social Media APIs, Application State Management, Accessibility, Mapbox API, Stripe API, Playwright, Context API, Front-end Architecture, Databases, Expo.io, JSX, React Hook Forms, tRPC, Android, iOS, Flexbox, Lodash

Software Developer

2019 - 2021
Inovia AB
  • Developed a reusable chat widget for customer care services from scratch. It can be installed on any website using a single script tag or imported from the internal npm registry.
  • Used GitLab CI/CD to automate testing, linting, and deployment processes.
  • Improved the development process for front-end developers by making it possible to run standalone React apps on local computers.
  • Conducted job interviews for new developers and helped with the onboarding process.
  • Converted some of React apps to Kibana plugins to make it possible to run them both inside the Kibana app and as a standalone app.
  • Maintained and developed additional features for the live voice-to-text app for the healthcare system.
  • Configured webpack to build an app for different use cases and optimize bundle file size.
Technologies: JavaScript, GitLab, GitLab CI/CD, Private NPM Modules, Design Systems, React, Kibana Plugins, ESLint, Node.js, Hapi.js, Proxy Servers, Widgets, Jest, Cypress, HTML, CSS, Front-end, Single-page Applications (SPA), APIs, PostgreSQL, Back-end, Express.js, Responsive UI, Figma, Redux, ECMAScript (ES6), WebGL, Full-stack, Full-stack Development, Third-party APIs, Python, Amazon Web Services (AWS), Responsive Web Apps, MERN Stack, Amazon S3 (AWS S3), Google Cloud Platform (GCP), Model View ViewModel (MVVM), Leadership, Mobile, Dashboards, Charts, UI Design, Agile Software Development, SQL, DOM, REST, HTML5, PostCSS, Styled-components, Web Development, NestJS, DevOps, UX Design, Unit Testing, Git, User Interface (UI), Responsive Design, Design, Scrum, TypeScript 3, HIPAA Compliance, Architecture, Web UX, Web UX Design, Web Design, Grafana, Microservices, Code Review, Elasticsearch, Technical Leadership, Front-end Development, Axios, API Integration, Cloud Platforms, Web UI, SEO Tools, GitHub, CI/CD Pipelines, Tailwind CSS, Google Cloud, Kibana, ELK (Elastic Stack), Agile, Automated Testing, Front-end Design, Web & Mobile Applications, Software Engineering, Software Architecture, Webpack 4, MobX, Server-side Rendering (SSR), Contentful, CSS Preprocessors, Web Applications, Jira, Responsive Web Design (RWD), Sass, REST APIs, Containerization, CSS3, React Redux, SCSS, JSON Web Tokens (JWT), Postman, Chai, Mobile First, Material Design, UI Components, Web Usability, React Navigation, Test-driven Development (TDD), Mongoose, Zustand, API Development, React Query, Application State Management, Accessibility, WCAG 2, Context API, Front-end Architecture, JSX, React Hook Forms, Flexbox, Lodash

Software Engineer

2017 - 2019
Toucan Studio
  • Developed UIs for dashboards and landing pages using Vue.js 2.
  • Configured external servers to serve web applications.
  • Conducted job interviews and helped others with the onboarding process to get started.
Technologies: NGINX, JavaScript, Vue 2, Node.js, Express.js, Responsive UI, Figma, ECMAScript (ES6), Third-party APIs, React Native, Responsive Web Apps, MongoDB, Firebase, MERN Stack, Dashboards, DOM, REST, HTML5, Web Development, DevOps, Git, User Interface (UI), Responsive Design, Design, Bootstrap, Web UX, Web UX Design, Web Design, Vue, Front-end Development, Axios, API Integration, Web UI, GitHub, CI/CD Pipelines, Front-end Design, Web & Mobile Applications, Software Engineering, Webpack 4, NoSQL, CSS Preprocessors, Web Applications, Jira, Responsive Web Design (RWD), Sass, Chrome, REST APIs, CSS3, React Redux, SCSS, JSON Web Tokens (JWT), Postman, Chai, Mobile First, Mongoose, Application State Management, jQuery, Flexbox, Lodash

Fullfocus

https://paige.ai/diagnostic-ai/
A React-based app with image visualization that uses OpenSeadragon to open high-quality images located in the AWS bucket. The project was dockerized and deployed to over five locations worldwide via AWS.

Chat Widget for Websites

https://inoviagroup.se/conversational-ai/
An AI-powered chat widget to help customers to get answers more quickly.

I worked as a front-end developer and created it from scratch using React with REST APIs. I also helped develop a dashboard for building dialogs using graphs and inbox apps for human agents to respond to customers.

Platform to Search and Post Truck Loads

A platform with a Flutter app and web interface.

I developed the front-end part of the platform using React. It was more like a service page rather than a dashboard containing some analytics data. I also deploy it to a remote server using Nginx with Docker.

Influencer Platform

An app for influencers that makes it easier for them to collaborate, receive donations, and organize giveaways or chats with fans. I mainly worked on the front end using TypeScript and React. Helped DevOps to deploy the app using Docker.

Languages

JavaScript, TypeScript, HTML, CSS, ECMAScript (ES6), GraphQL, SQL, HTML5, TypeScript 3, Sass, CSS3, SCSS, Python, Go

Frameworks

Material UI, Next.js, YARN, Express.js, Tailwind CSS, Redux, React Native, Electron, NestJS, Swagger, Bootstrap, JSON Web Tokens (JWT), Jest, Cypress, Fastify, Ant Design, Chrome, Hapi.js, Selenium, Angular

Libraries/APIs

React, React Router, Node.js, REST APIs, Vue, Emotion Library, React Redux, Formik, Passport.js, Chai, React Navigation, API Development, Social Media APIs, Mapbox API, jQuery, Playwright, Context API, Flexbox, Lodash, D3.js, WebGL, Stripe, Twilio API, Stripe API, Vue 2, Leaflet, Google Maps JavaScript API 3, Fabric, Three.js, MobX, Salesforce API, Shopify API

Tools

Webpack, Git, Slack, Figma, NPM, Sequelize, React Apollo, GitHub, Kibana, Webpack 4, Jira, Postman, Expo.io, JSX, GitLab, Adobe Experience Design (XD), Babel, Prisma, MQTT, PostCSS, Amazon Simple Email Service (SES), ELK (Elastic Stack), LaunchDarkly, Mongoose, GitLab CI/CD, Bitbucket, NGINX, OpenSeadragon, Google Analytics, Grafana, Expo

Paradigms

UI Design, Agile Software Development, REST, DevOps, UX Design, Unit Testing, Testing, Scrum, HIPAA Compliance, Web UX Design, Microservices, Automated Testing, Responsive Web Design (RWD), Test-driven Development (TDD), Agile, Model View ViewModel (MVVM), Search Engine Optimization (SEO), Web Performance Optimization (WPO)

Platforms

Mapbox, DatoCMS, WordPress, Amazon Web Services (AWS), Firebase, Contentful, AWS Lambda, Mobile, DigitalOcean, Android, iOS, Docker, Windows, Ubuntu, Mixpanel, MacOS, Google Cloud Platform (GCP), Visual Studio Code (VS Code), Drupal, Shopify

Storage

MySQL, Amazon S3 (AWS S3), NoSQL, Databases, MongoDB, PostgreSQL, Elasticsearch, Amazon DynamoDB, Google Cloud, Datadog

Industry Expertise

Web Design, Accounting

Other

Design Systems, Dashboards, Chakra UI, Storybook, Front-end, User Interface (UI), User Experience (UX), Performance, SaaS, Internationalization, Single-page Applications (SPA), APIs, Strapi, Responsive UI, Content Management Systems (CMS), eCommerce, Full-stack, Full-stack Development, Third-party APIs, Gatsby, Responsive Web Apps, MERN Stack, Leadership, DOM, Styled-components, Web Development, Integration Testing, Responsive Design, Design, Web UX, Code Review, Front-end Development, Axios, API Integration, Cloud Platforms, Web UI, Apollo, SEO Tools, CI/CD Pipelines, Front-end Design, Web & Mobile Applications, QA Automation, Software Engineering, Server-side Rendering (SSR), CSS Preprocessors, Web Applications, Maps, Vite, Cross-browser Compatibility, Customer Relationship Management (CRM), Mobile First, Material Design, UI Components, Web Usability, Zustand, Application State Management, Accessibility, WCAG 2, Front-end Architecture, React Hook Forms, Tanstack Router, tRPC, Private NPM Modules, React Query, Data Visualization, Monorepos, WebSockets, Back-end, Team Leadership, Social Media Apps, Payment APIs, Billing, Charts, Chrome Extensions, Apollo Server, Architecture, Technical Leadership, Versel, Serverless, A/B Testing, OAuth, Single Sign-on (SSO), Open Source, Software Architecture, Containerization, Payment Gateways, Finance, Kibana Plugins, ESLint, Proxy Servers, Widgets, Telegram Bots, Augmented Reality (AR), Google SEO, OpenAI

2015 - 2018

High School Diploma in Finance

College of Economics and Finance in Samarkand - Samarkand, Uzbekistan

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