You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Malt welcome

Welcome to Sergei's freelance profile!

Malt gives you access to the best freelancers for your projects. Contact Sergei to discuss your project or search for other freelancer profiles on Malt.

Sergei G. GoLang|PHP Backend DeveloperSG

Sergei G.

GoLang|PHP Backend Developer
  • Suggested rate
    $336 / day
  • Experience8-15 years
  • Response rate100%
  • Response time1 hour
The project will begin once you accept Sergei's quote.
Location and workplace preferences
Location
London, United Kingdom
Remote only
Primarily works remotely
Verifications

Freelancer code of conduct signed

Read the Malt code of conduct
Verified email
Reputation
0Followers
4Repos
0Gists
Languages
Categories
These freelancer profiles also match your search criteria

Agatha Frydrych

Backend Java Software Engineer

Baptiste Duhen

Fullstack developer

Amed Hamou

Senior Lead Developer

Audrey Champion

Web developer

Skill set (42)
Sergei in a few words
- I work with Yii2, Symfony frameworks, but I can bear others.
- I work with PHP 5.4, 5.5, 5.6, 7.0 - 7.4, 8.0,8.1.
- I work with docker and I can transfer your project to Docker. Orchestration is only Swarm now, but in the nearest future I decide to study Kubernetes.
- I can create many different circuits for developing.
- I work with MySQL, PostgreSQL, MongoDB, Redis.
- I work with cache.
- I work with Nginx.
- I have problem solving skills: when something went wrong with your application, when your application went down etc. I will improve my problem solving skills if I have a spare time.
- I have an experience with CI/CD Gitlab.
- I have lots of experiences with testing PHPUnit, Codeception, Gherkin.
- I have an experience with Apache Kafka for exchanging messages between different systems. I can launch many circuits, make producers and consumers, make tests for it etc.
- I have an experience with Apache AVRO for ensuring that everything is OK with data which are being exchanged between different systems.
- I can create a library for Composer and integrate them of others to your projects.
- I can integrate ApplePay, GooglePay or other kind of pay systems to your projects.
- I work with asynchronous queues Yii2, Symfony.
- I can create XML feeds for Facebook, Google.
- I can separate your projects to frontend (Vue.js+nuxt) and backend (PHP)
Experience
  • self-employed
    Software Engineer
    DIGITAL & IT
    November 2022 - Today (2 years and 7 months)
    London, United Kingdom
    - Made a bot for Facebook and Telegram

    https://github.com/sergeygardner/xguard-bot

    It is a base for extending. ChatBot is public and free to use and change.

    - API for planner's project based on GoLang, MongoDB, Docker, and Go-Chi. Using: LogRus, DDD, REST, GraphQL and gRPC (still doing).
    PHP Docker PostgreSQL Doctrine PHPUnit GoLang REST GraphQL DDD Domain Driven Design gRPC
  • BORK
    Senior Backend Developer
    January 2014 - Today (11 years and 6 months)
    Moscow, Russia
    My current employer is a luxury appliances retailer with a wide range of retail boutiques and 5 web sites used for online sales. Backend Development Team supports online sales business process. I am TeamLead of Backend Development Team since 2021. My main responsibilities include:
    - Managing backend development team and projects (decomposing tasks, estimating time, code review)
    - Troubleshooting
    - Creating new architecture i.e. how many products should a project include, their end-points and how data would be exchanged between them
    - Hiring and mentoring Prior to becoming team lead I spent 3 years as Web Developer (2014-2017) and 5 years as Senior Backend Developer (2017-2021). During that time I:
    - Became expert in business processes of the company
    - Created backend of multiple web sites using Yii2 (Advanced template)
    - On-boarded and coached new team members
    - Performed code review
    - Created feeds for Google, Facebook and Yandex
    - Performed SEO optimisation
    - Created site layout
    - Integrated payment systems to web site (card, credit, ApplePay/GooglePay)
  • FirstBIT
    Web-programmer
    February 2013 - January 2014 (11 months)
    Moscow, Russia
    FirstBIT is a web studio with a number of telecommunication, media and retail clients. This web studio was using Bitrix as a main framework. As a web developer I used RESTful API, worked with XML, created standalone soap server.
Recommendations
Education
  • Bachelor
    Synergy
    2019
    It was the state university in Moscow.
Certifications