Sergiy Osypov, Developer in Mountain View, CA, United States
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Sergiy Osypov

Verified Expert  in Engineering

Full-stack Developer

Mountain View, CA, United States

Toptal member since September 23, 2022

Expertise
Web DevelopmentFront-endLinuxJavaScriptJavaSQLMongoDBJSONGitPostgreSQLMySQLXMLPythonReact.jsAngular
Bio

Sergiy is a full-stack software engineer focusing on both the front and back ends. He is always on the lookout for exciting projects. His experience includes working at a FAANG company as a software engineer developing performant services and modern single-page applications. Sergiy has also participated in hackathons and won several of them.

Portfolio

Google
JavaScript, Java, Python, SQL, Linux, Software Engineering, Go, Git, XML...

Experience

  • Linux - 10 years
  • JavaScript - 10 years
  • SQL - 10 years
  • Java - 10 years
  • Python - 7 years
  • React - 5 years
  • Angular - 5 years
  • Node.js - 5 years

Availability

Part-time

Preferred Environment

Linux, Visual Studio Code (VS Code), Amazon Web Services (AWS)

The most amazing...

...work experience I've had so far was my seven-year dev experience as a contractor at Google.

Work Experience

Senior Full-stack Developer

2015 - 2022
Google
  • Built pipeline services to manage and convert data from different sources, including AWS, databases, and raw files, to Google Cloud.
  • Developed and maintained internal services for fiber internet provider account management.
  • Constructed back-end services and a front-end single-page application for an agricultural startup for farmers, breeders, and so on.
Technologies: JavaScript, Java, Python, SQL, Linux, Software Engineering, Go, Git, XML, FastAPI, Architecture

Experience

Agricultural Maps and Predictions App for Farmers, Breeders, Growers, and More

https://x.company/projects/mineral/
A machine learning-based solution that provides predictions and maps for agricultural businesses and aids them in developing new technologies to build a more sustainable, resilient, and productive food system. This project included robotics, sensing, and software tools to collect and interpret diverse data from the field.

Data-transfer Tool for Database Data and File Migrations from AWS to Google Cloud

A JavaScript and Java-based project that utilized microservices and the Angular framework to provide control over the data transfers from different sources, including AWS, databases, and raw files, to corresponding instances of the Google Cloud platform.

Education

1999 - 2004

Master's Degree in Informatics and Applied Mathematics

Zaporizhzhya State University - Zaporizhzhya, Ukraine

Certifications

MARCH 2013 - PRESENT

MongoDB

MongoDB

Skills

Libraries/APIs

React, Node.js

Tools

Git

Languages

JavaScript, Java, Python, SQL, TypeScript, XML, Go

Frameworks

Angular, Next.js

Platforms

Linux, Oracle, Visual Studio Code (VS Code), Amazon Web Services (AWS)

Storage

MongoDB, PostgreSQL, JSON, MySQL

Paradigms

Agile

Other

Software Engineering, Web Development, Front-end, FastAPI, Architecture

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