Sergey Morozov

Sergey Morozov Email and Phone Number

Principal Software Engineer @ McLean, VA, US
McLean, VA, US
Sergey Morozov's Location
San Francisco, California, United States, United States
About Sergey Morozov

Sergey Morozov is a Principal Software Engineer at Capital One.

Sergey Morozov's Current Company Details
Capital One

Capital One

Principal Software Engineer
McLean, VA, US
Sergey Morozov Work Experience Details
  • Capital One
    Principal Software Engineer
    Capital One
    Mclean, Va, Us
  • Blueberry Pediatrics
    Senior Software Engineer
    Blueberry Pediatrics Oct 2022 - Sep 2023
    - TypeScript (React, Next, Chai), Tailwind, Python (Django), Redis, PostgreSQL, GCP- Created an SPA for doctors to remotely diagnose and prescribe medication to children- Automated component and E2E Cypress tests with 100% coverage of essential business logic- Maintained production database, including backups, migrations, and query profiling- Optimized AI generated code performance by 3 times
  • Alltrue
    Engineering Manager
    Alltrue Jul 2020 - Apr 2022
    - JavaScript (Vue, Chai), Tailwind, PHP (Yii), Redis, Elasticsearch, MySQL, GCP- Diagnosed production failures and improved performance of an ecommerce site (72M hits/day)- Increased the max number of concurrent users on the site by 12 times- Reduced SPA/API unit and integration test time from 10 to 6 minutes- Balanced order fulfillment workload with sales and inventory projections
  • Bloomnation
    Senior Software Engineer
    Bloomnation Sep 2018 - Nov 2019
    - PHP (Magento), JavaScript (React, Node), GraphQL, Redis, Elasticsearch, MySQL, AWS- Worked around limitations and reduced service costs of third party APIs (15M hits/day)- Trained a machine learning model to prioritize custom floral arrangements over stock images- Introduced unit tests for code stability and feature flags for smooth deploys- Automated AWS resource instantiation and alerts for post-release monitoring
  • Wag
    Engineering Team Lead
    Wag May 2017 - Aug 2018
    - PHP (Laravel), JavaScript (jQuery), MySQL, AWS- Maintained the API for the most popular dog walking app (7M hits/day)- Sped up continuous integration and deployment pipeline from 15 to 3 minutes- Mentored, trained, and developed onboarding materials for 10 engineers- Developed a coding challenge, reviewed all solutions, and conducted technical interviews
  • Dev.Xyz
    Full Stack Engineer
    Dev.Xyz Jul 2015 - Aug 2016
    - PHP (Zend), JavaScript (jQuery), Redis, MySQL, AWS- Maintained the API for a $50M lead generation platform (400K hits/day)- Improved internal reporting performance from 1 hour to 15 minutes- Refactored legacy system source code down to 40% of the original size- Visualized key performance indicators over time and market sectors

Frequently Asked Questions about Sergey Morozov

What company does Sergey Morozov work for?

Sergey Morozov works for Capital One

What is Sergey Morozov's role at the current company?

Sergey Morozov's current role is Principal Software Engineer.

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