Senior Backend Engineer

• Feb 2022 - Present

Senior Backend Engineer

• Jul 2020 - Jan 2022

The main duty is making Paxful Wallet. Adding new features, support current ones and refactoring.Highlights:- Led new revenue stream project implementation from scratch to production. Implemented distributed transactions system which working with on-chain transactions.- Implemented business critical Wallet features: integration with providers, creating microservices and support tools- Architected solution for messaging feature which allows users to chat with each other- Joined on-call duty to make Wallet core available 24/7Tech stack: PHP 7, Laravel 6, Symfony 5, PostgreSQL, Kafka, Redis, RabbitMQ, k8s

Middle+ Backend Engineer

• Jan 2019 - Jul 2020

Made REST API in FinTech, EdTech and MedTech projects.Highlights:- Tech stack: PHP, Symfony, API Platform, Mercure, Elasticsearch, Postgres / MariaDB, Redis, RabbitMQ, Docker, k8s, Golang- Increased experience in microservices architecture- Increased experience in making CI/CD pipelines- Work in big team (10+ members), infrastructure layer support, making a new architecture solutions. Self training to make a clean code and flexible & strong architecture- Wrote business specifications in Confluence- Worked as release engineer, made configurations for k8s, using Rancher.

Middle PHP Developer

• Dec 2017 - Dec 2018

Worked in outsource company as lead developer in 3 projectsHighlights:- Made REST API / ERP / CRM services with Symfony framework (backoffices FE with Bootstrap 3)- Participated in mobile application developing with React Native- Has experience with generation of PDF / Word / Excel documents- API documentation via Swagger, all projects are in the Docker containers- Unit / Functional API testing- Code reviews Worked in outsource company as lead developer in 3 projectsHighlights:- Made REST API / ERP / CRM services with Symfony framework (backoffices FE with Bootstrap 3)- Participated in mobile application developing with React Native- Has experience with generation of PDF / Word / Excel documents- API documentation via Swagger, all projects are in the Docker containers- Unit / Functional API testing- Code reviews

Middle PHP Developer

• Jul 2016 - Dec 2017

Participated in projects related to internal business flows automation.Highlights:- automation of new instances deployment with settings from coordination server- worked with highload systems, optimization via Redis caching and profiling- made modular content parser with flexible pipelines and with monitoring and possibility for adding new data sources without any code- implementation of duplicate images searching on database based on metric tree which uses Levenshtein distance (MVP tree)

PHP Developer

• Jan 2015 - Jan 2017

Made a lot of various web-services, from e-commerce to ERP. Highlighted project: Speech debate schools in USA - created CMS to work with school information pages - created custom forms maker like Google forms - implemented tournament systems with judges - integrated Stripe as payment gateway Made a lot of various web-services, from e-commerce to ERP. Highlighted project: Speech debate schools in USA - created CMS to work with school information pages - created custom forms maker like Google forms - implemented tournament systems with judges - integrated Stripe as payment gateway

Junior PHP Developer

• Aug 2015 - Sep 2015

E-Commerce and simple websites backend developing via 1C Bitrix (Components, Core) E-Commerce and simple websites backend developing via 1C Bitrix (Components, Core)