Sergey Filin
Backend Developer
Experience
Mar 2022 - Aug 2023
1 year 6 months Tbilisi, Georgia
Backend Developer
Nexus
Startup specializing in the implementation of cloud technologies in the financial sector.
- Prototyping client applications using PHP and Vue.js.
- Integrating the AWS technology stack across all application layers.
- Actively using TypeScript to develop features using AWS Lambda for data storage, authorization, and processing.
Jul 2020 - Jul 2021
1 year 1 month Minsk, Belarus
Backend Developer
Stark Games
Game studio.
- I was involved in the development of the company's main game series, Magic Seasons(Ёлочка 2020-2021).
- It has been a TOP-1 game on VK and OK social networks for over 7 years.
- I was developing the backend part of the project.
- Optimizing and refactoring the codebase.
- Integrating parts of the Symfony framework into the project.
- I was working closely with MySql and MongoDB databases.
- Developing a distributed transaction system spanning over different databases.
- Worked on integrating new features via social networking APIs.
May 2018 - Jun 2020
2 years 2 months Saint Petersburg, Russian Federation
Backend Developer/DBA
Trending.bid
Real-time ad bidding platform. RTB platform including own SSP and DSP.
This is a vast project including an advertisers’ self-service website with advanced reporting tools and payment gateways integrations written in PHP, a bidding cluster responsible for bidding written in Java and distributed databases in MySql and ClickHouse (400TiB+ of data).
- I was developing a website, personal accounts, promo codes and payment systems integrations.
- I was also responsible for the user interface of statistics and data display from distributed sources using complex SQL queries.
- I was involved in improving the database.
- Connecting aggregation tables.
- Data normalization, etc.
- Assisted other campaign projects in working with databases and payment APIs.
Nov 2015 - Apr 2018
2 years 6 months Saint Petersburg, Russian Federation
Full Stack Developer
SiteMaket
Web studio.
- Development of CRM systems and multi-tenant eCommerce systems.
- Database design.
- Development of payment systems, mailing lists.
- Integration with external API services payments, maps, weather, delivery etc.
- Integration of 3D tours on customer sites.
Aug 2015 - Oct 2015
3 months Saint Petersburg, Russian Federation
Full Stack Developer
Ra-interpress
Real estate Advertising agency.
- Worked on server-side and client-side agency websites (ad aggregators, real estate catalogs, landings) using Yii 1 and Bootstrap, refactoring and migration projects to Yii 2.
- Integration with API services of maps, weather, etc.
Apr 2015 - Jul 2015
4 months Moscow, Russian Federation
Full Stack Developer
SIP Projects
Web studio.
- Support and development of server-side and client-side websites and CRM of various complexity using Symfony and Bootstrap.
- Parsing sites using Python and PHP Gearman.
Languages
Russian
Native
English
Intermediate
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