# Sergey F.

> Backend Developer | Python | Go

Location: New York, New York, United States
Profile: https://flows.cv/sergeyf

## Work Experience
### Senior Software Engineer @ Windsor.ai
Jan 2024 – Present | Zurich, Switzerland

### Python Developer @ Oxygen
Jan 2024 – Jan 2024 | Princeton, New Jersey, United States
• Worked on the authorization strategy for payment-card transactions.
• Refactoring and bugfixing.

### Back End Developer @ Basenji
Jan 2022 – Jan 2023 | St Petersburg, St Petersburg City, Russia
• Designed the API and the database.
• Developed 3 core services.
• Provided expertise on authentication protocols, nginx configuration and deployment strategies.
• Participated in negotiations with third party service providers.

### Back End Developer @ Ready for Sky LLP
Jan 2017 – Jan 2022 | St Petersburg, St Petersburg City, Russia
• Built number of micro-services that introduced new features and functionality to the company's IoT platform: push notifications, sensor alerts, integration with virtual assistants.
• Maintained legacy codebase, including fixing of critical issues.
• Provided production support.
• Handled basic DevOps tasks.
• Provided integration support for third party vendors.
• Interviewed and onboarded new engineers to the team.

### Software Engineer / Project Lead @ LG Electronics
Jan 2010 – Jan 2013 | St Petersburg City, Russia
• Android OS vendor customization and country adaptation to the environment of CIS and Baltic mobile network operators.
• Developed testing tools and service utilities.
• Prepared firmware releases.
• Led a team of 4 engineers.
• Facilitated communication with overseas teams.
• Worked on several smartphone models, including LG Optimus 2X – world's first smartphone with dual-core processor.


## Education
### Specialist in Applied mathematics and information science
Saint Petersburg State University
Jan 2003 – Jan 2008


## Contact & Social
- LinkedIn: https://linkedin.com/in/0xfadeef

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Source: https://flows.cv/sergeyf
JSON Resume: https://flows.cv/sergeyf/resume.json
Last updated: 2026-04-01