Recommended expert
Sergey (Сергей Филин) Filin-Backend Developer
Experience
Mar 2022 - Aug 2023
1 year 6 monthsTbilisi, Georgia
Backend Developer
Nexus
Position Summary
Backend Developer at Nexus
Industries
Information Technology
Business Areas
Information Technology
Product Development
- Prototyped client applications using PHP and Vue.js
- Integrated the AWS technology stack across all application layers
- Actively used TypeScript to develop features using AWS Lambda for data storage, authorization, and processing
Jul 2020 - Jul 2021
1 year 1 monthMinsk, Belarus
Backend Developer
Stark Games
Position Summary
Backend Developer at Stark Games
Industries
Media and Entertainment
Business Areas
Information Technology
Product Development
- Developed the backend part of the Magic Seasons game series, optimizing and refactoring the codebase and integrating parts of the Symfony framework
- Worked closely with MySQL and MongoDB databases and developed a distributed transaction system spanning different databases
- Integrated new features via social networking APIs
May 2018 - Jun 2020
2 years 2 monthsSaint Petersburg, Russian Federation
Backend Developer/DBA
Trending.bid
Position Summary
Backend Developer/DBA at Trending.bid
Industries
Advertising
Business Areas
Business Intelligence
Information Technology
- Contributed to a real-time ad bidding platform (SSP and DSP) with a PHP-based advertisers’ self-service website, advanced reporting tools, and payment gateways integrations
- Developed the bidding cluster in Java and managed distributed databases in MySQL and ClickHouse (400 TiB+ of data)
- Developed website features, personal accounts, promo codes, and payment systems integrations
- Responsible for the user interface of statistics and data display from distributed sources using complex SQL queries
- Improved database performance by creating aggregation tables and data normalization
- Assisted other campaign projects with databases and payment APIs
Nov 2015 - Apr 2018
2 years 6 monthsSaint Petersburg, Russian Federation
Full Stack Developer
SiteMaket
Position Summary
Full Stack Developer at SiteMaket
Industries
Information Technology
Business Areas
Information Technology
Product Development
- Developed CRM systems and multi-tenant eCommerce systems
- Designed databases
- Developed payment systems, mailing lists, and integrated external API services for payments, maps, weather, and delivery
- Integrated 3D tours on customer sites
Aug 2015 - Oct 2015
3 monthsSaint Petersburg, Russian Federation
Full Stack Developer
Ra-interpress
Position Summary
Full Stack Developer at Ra-interpress
Industries
Advertising
Real Estate
Business Areas
Information Technology
Product Development
- Worked on server-side and client-side agency websites (ad aggregators, real estate catalogs, landings) using Yii 1 and Bootstrap
- Refactored and migrated projects to Yii 2
- Integrated API services for maps, weather, and other external data
Apr 2015 - Jul 2015
4 monthsMoscow, Russian Federation
Full Stack Developer
SIP projects
Position Summary
Full Stack Developer at SIP projects
Industries
Information Technology
Business Areas
Information Technology
Product Development
- Supported and developed server-side and client-side websites and CRM systems of various complexity using Symfony and Bootstrap
- Parsed sites using Python and PHP Gearman
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Advertising, and Media and Entertainment.
Information Technology
Advertising
Media and Entertainment
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, and Business Intelligence.
Information Technology
Product Development
Business Intelligence
Skills
- Php
- Symfony
- Laravel
- Yii
- Mysql
- Clickhouse
- Mongodb
- Javascript
- Vue.js
- Rabbitmq
- Git
- Nginx
- Linux
Languages
Russian
NativeKazakh
AdvancedEnglish
IntermediateStatistics
Experience
Total positions 6
Experience in Information Technology 4 y
Avg length 1 y 3 m
Longest experience 2 y 5 m
Global Experience
Countries worked in 3 (Russian Federation, Georgia, Belarus)
Primary country Russian Federation
Expertise
Recent roles Backend Developer, Backend Developer/DBA, Full Stack Developer
Main industries Information Technology, Advertising, Media and Entertainment
Main business areas Information Technology, Product Development, Business Intelligence
Profile
Created
Last Update
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Sergey based?
Sergey is based in Aktobe, Kazakhstan and prefers 100% remote projects.
What languages does Sergey speak?
Sergey speaks the following languages: Russian (Native), Kazakh (Advanced), English (Intermediate).
How many years of experience does Sergey have?
Sergey has at least 8 years of experience. During this time, Sergey has worked in at least 3 different roles and for 6 different companies. The average length of individual experience is 1 year and 3 months. Note that Sergey may not have shared all experience and actually has more experience.
What roles would Sergey be best suited for?
Based on recent experience, Sergey would be well-suited for roles such as: Backend Developer, Backend Developer/DBA, Full Stack Developer.
What is Sergey's latest experience?
Sergey's most recent position is Backend Developer at Nexus.
What companies has Sergey worked for in recent years?
In recent years, Sergey has worked for Nexus and Stark Games.
Which industries is Sergey most experienced in?
Sergey is most experienced in industries like Information Technology, Advertising, and Media and Entertainment. Sergey also has some experience in Real Estate.
Which business areas is Sergey most experienced in?
Sergey is most experienced in business areas like Information Technology, Product Development, and Business Intelligence.
Which industries has Sergey worked in recently?
Sergey has recently worked in industries like Information Technology and Media and Entertainment.
Which business areas has Sergey worked in recently?
Sergey has recently worked in business areas like Information Technology and Product Development.
What is the availability of Sergey?
The availability of Sergey needs to be confirmed.
What is the rate of Sergey?
Sergey's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Sergey?
To hire Sergey, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
800
600
400
200
Market avg: 472-632 €
Market avg: 472-632 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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