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Alexander Churbakov
Verified Expert in Engineering
Software Developer
Saint Petersburg, Russia
Toptal member since August 3, 2020
Bio
Alexander is a full-stack JavaScript developer with more than five years of experience. He's developed ten large projects and worked on MVPs with startups and massive legacy codebases with clients like Groupon, Drop, and Seed CX. He has production experience with nearly every major framework and tool in the JavaScript/TypeScript environment. Recently, Alexander has been focused on the fintech and marketing spaces.
Portfolio
Pfizer
Node.js, APIs, JavaScript, GraphDB
Azrieli Ecommerce Ltd.
Angular
Sphere Solutions
Redis, PostgreSQL, TypeScript, Node.js, Vue, Angular, React, RxJS, Express.js
Experience
- PostgreSQL - 5 years
- MongoDB - 3 years
- Express.js - 3 years
- TypeScript - 3 years
- Node.js - 3 years
- Redis - 3 years
- React - 2 years
- Angular - 1 year
Preferred Environment
Visual Studio Code (VS Code)
The most amazing...
...business I've developed is a marketing startup called Experify: it became successful within a few months of beginning operations.
Work Experience
API Developer – Node.js and JavaScript
2021 - 2022
Pfizer
- Developed complex React applications and integrated them into the existing ecosystem.
- Participated in decision-making activities and completed a complex finance application for internal use as a single developer.
- Collaborated closely with the product owner and business analyst to obtain the smoothest UI and user flow possible.
Technologies: Node.js, APIs, JavaScript, GraphDB
Angular Developer
2020 - 2021
Azrieli Ecommerce Ltd.
- Developed a front-end application with complex animations and Google Maps integrations using Angular.
- Designed and developed a content management flow using Kontent.ai's custom components and website builder.
- Led tech decisions in a team of four developers, working closely with designers and BAs, breaking down stories, and providing developers with all the required input and tech expertise.
Technologies: Angular
Senior Full-stack Developer
2017 - 2020
Sphere Solutions
- Developed a support system for a US marketing website fixing bugs and upgrading the legacy code using Backbone.js, React, Angular, and RxJS.
- Developed a comprehensive dashboard for marketing analytics software using D3 and React.
- Developed front-end and back-end microservices for a financial industry market leader using React with Ant Design on the front end and Node.js with PostgreSQL and Redis on the back end.
- Created a blockchain financial startup using React, Web3, Node.js, and PostgreSQL.
- Developed a widely used COVID-19 analytics and reports visualization website using Chart.js and Webflow.
- Upgraded a mobile application for a Canadian marketing startup using React Native.
Technologies: Redis, PostgreSQL, TypeScript, Node.js, Vue, Angular, React, RxJS, Express.js
Senior Full-stack Developer
2017 - 2017
Soshace
- Developed an analytics startup using crawling techniques to grab data and Elasticsearch with Amazon SQS to manage it.
- Created a set of complicated front-end microservices for an online freelancing agency using Angular on the front end and PHP with Symfony on the back end.
- Designed a complex CRM tool using MongoDB, Mongoose, and Angular.
Technologies: Mongoose, MongoDB, Node.js, Angular, JavaScript
Middle JavaScript Developer
2015 - 2017
Lobster Lab
- Developed a high-load game website front end with many casino features, such as roulette and slots, using Angular.
- Developed a high-load game-related website back end using Node.js, PostgreSQL with Sequelize, and Redis.
- Assisted with the support of a large project, fixing bugs and delivering features.
Technologies: Sequelize, Redis, PostgreSQL, CoffeeScript, Node.js, Angular, MySQL
PHP Developer
2014 - 2015
Vector Creative
- Developed a website for a radio station with real-time audio tracking, automatic scheduling, a news blog, and a forum.
- Designed a website for airport parking, a booking system, and a complex back office with PDF invoicing and many other features.
- Developed various client websites using WordPress and PHP as the back end and HTML, CSS, and JavaScript on the front end.
Technologies: JavaScript, CSS, HTML, WordPress, PHP
Experience
Groupon
Acted as the full-stack JavaScript developer on this project, developing the front end predominantly. Groupon has a massive legacy codebase that required writing many specialized tests, refactoring, and migrations.
eCommerce Platform
https://www.azrieli.com/An Angular application that uses serverless technologies and various third-party services to integrate content management and eCommerce-related functionality. I was a full-stack developer working on the FE part, leading a team of talented Toptalers.
CMS for Electric Cars Dealers
https://www.bppulse.co.uk/A microservice architecture-driven application using Kafka as a message broker with antd and React on the front end. I worked as a full-stack developer, delivering functionality for world-class automotive industry experts.
Education
2013 - 2017
Bachelor's Degree in Software Engineering
Volgograd State Technical University - Volgograd, Russia
Skills
Libraries/APIs
React, Node.js, D3.js, Vue 2, Vue, RxJS, Antd
Tools
Sequelize, Elastic, Atom, Mongoose
Languages
JavaScript, TypeScript, CoffeeScript, PHP, HTML, CSS
Frameworks
Express.js, Angular
Storage
PostgreSQL, MySQL, MongoDB, MariaDB, Redis
Paradigms
Serverless Architecture
Platforms
MacOS, WordPress, Apache Kafka, Visual Studio Code (VS Code)
Other
Software Development, Sagas, APIs, GraphDB
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