Igor Olshevsky

Technologies : TypeScript, React, Angular, React Native, GraphQL, Golang, Kubernetes, MS Azure, Serverless Framework

Responsibilities :

• Interaction with design team to develop pixel perfect UI
• Mentoring and skill-up teammates
• Planning project architecture and preparing infrastructure
• Development of various web apps - management portal, web and mobile app for end users.
• Discussion requirements and estimations with client
• Work planning and task management for team
• Project Support: refactoring legacy code & bug fix
• Develop internal company projects

Challenges:

• Developed multi-tenancy application with automated deployments for new customers
• Participated as front-end team lead in the fintech startup development
• Preparing technical documentation and architecture diagrams for applications
• Project management and code review for 3 departments(back-end, front-end and mobile dev. teams)
• Built custom Continues Delivery solution(mobile and webapp build pipelines) for restoraunt management saas-platform

Technologies : Typescript, React, Apollo Client,
Node.js, Express.js, MongoDB, Docker, GraphQL Server.

Project : Code editor with ability to run code in containers.

Responsibilities :

• Mentoring for new developers
• Code review for new pull requests
• Implementing for GraphQL subscriptions for real-time updates
• Integration with payment gateways
• Refactoring. Movement legacy codebase to React hooks
• Develop communication for editor extensions via JSON RPC

Challenges:

• Developed microservices from scratch(Moleculer and Hemera.js)
• Built Graphql server with code-generation for front-end
• Integrated Monaco editor to web-app

Technologies : JavaScript, React\Redux, Node.js, MongoDB, REST API, HTML5, CSS3, Ant.design

Responsibilities :

• Support a back-end of ongoing project
• Auth integration for 2 factor authentication
• Integration with charts and graphs libraries for widgets
• REST API development
• Development for a responsive application layout

Challenges:

• Developed online service for events management with options to organize ticketing process, speakers and sponsors support support
• Team mentorship - providing learning plan for developers without React experience
• Conducted interviews for new team members
• Planning web-app structure and project tech stack

Technologies : React/Redux, TypeScript, Node.js, MongoDB, Socket.io, Docker, GraphQL.

Project : Code editor with ability to run code in containers

Responsibilities :

• Designing of database architecture
• Development of GraphQL server
• Development of authorization system and access control layer
• Developing UI components based on design
• Deployment via Docker

Technologies : JavaScript, React/Redux, Node.js, Hapi.js, Material Design, Cloudant, Rest API

Features : Web application for electricians to make different types of reports

Responsibilities :

• Designing database architecture
• Development of the web application from the scratch
• Development of REST API
• Developing of reports management feature with statistics Reports dashboard, report creation form, report view page
• Development of the authorization system for users
• Development of ACL with different permissions level for each role
• Integration with Stripe for user subscriptions

Role : Front-end Developer

Technologies : JavaScript, React/Redux, Server-side Rendering, Node.js, PostgreSQL, HTML5, CSS3

Features : Isomorphic web app that allows to create custom-designed user profiles

Responsibilities :

• Project maintenance
• Designing database architecture for user profiles
• Development of UI components for profile builder with possibility to add video, images, create image gallery, etc.
• Search engines optimisation

Technologies : JavaScript, React/Redux, Node.js, PHP, Socket.io, Zend Framework 2, REST API

Features : Web application for dental labs and dentists with scheduling, real-time notifications and messaging system

Responsibilities :

• Designing database architecture
• Development of the web application from the scratch
• Development of real-time notification system & app proxy
• Development of REST API
• Loading speed optimization of the website
• Development of user authentication & ACL
• Coaching and supervising other team members
• Code review

Challenges:

• I've worked on new features delivery and studied to be Team Lead
• Developed HIPAA-compliance web application
• Code migration to React.js

Technologies : JavaScript, Node.js, jQuery, CoffeeScript, PHP, Zend Framework 2, REST API

Features: Web application to check a web-site status every hour (pin g/trace-route/speed test). If there is a problem with the web site status the system will send you a notification

Responsibilities :

• Development of web application from the scratch
• Designing database architecture
• Developed role-based ACL for project
• Loading speed optimization of the website
• Development of REST API
• Development of real-time notification system
• Integration with PayPal for user subscriptions
• Support of ongoing project

Challenges:

• Develop high-load micro-services for website health-check probes
• Work on API integration with payment processors and microservices