Magento 2 optimizations for existing and external modules: - defined cache tags for shared blocks (menu, categories slider, product features etc) which reduced load time on catalog pages by 50% - service configuration audit and optimization (Redis, NGINX, Varnish) - implemented application performance monitoring with NewRelic Developed a custom feed exporter. As a result, non-free third party modules (Amasty Feed, Wyomind) are no longer needed. These modules require a separate license for each Magento instance. Moreover, sometimes they did not start exporting, which resulted in a penalty from Google Merchant Center. Custom module works faster (10 minutes instead of 1 hour) and works correctly since 2021. MyPicture - SEO module that allows customers to share product photos on e-commerce website. Introduced automation of AWS infrastructure provision using CloudFormation. Ported Magento media to S3. Implemented image resizing based on AWS services: CloudFront + Lambda. Process automation and cost optimization for AWS - implemented CI/CD on GitLab

Developed and co-founded expenditure management app: gougou.cash - developing Elixir GraphQL API for the Apollo GraphQL frontend - determine business requirements for the MVP - provision infrastructure and release deployment processes using automation tools like Ansible and Terraform Creating tech articles for https://lucidmodules.com/blog

Developing frontend dashboards on ReactJS, Material UI for a SAAS product (project management app). Another app, also based on ReactJS, with bootstrap 5 as the components library.

Project: cora.ro Developing Magento 2 integrations and customisations for large grocery/retail store: - local payment method integration - RMA - stationary store location module - REST API integrations

Projects: - modivo.pl - bemondi.pl - tme.cn Developed a hybrid SPA/MPA solution for Magento 2 stores in a team of 5 people and another in multi-team split across 3 cities (fashion/apparel industry). Integration with ERP systems: - asynchronous, parallel order export based on AMQP - customers synchronization, also based on AMQP (two-directional) Custom import solution for Magento 2 from SAP (as CSV exported files). Reduced full import time for 300k products, categories and attributes on Magento 2.2 from 24h to 2h (electronic B2B industry). ElasticSearch optimization for Magento 2.2 to handle products with 20+ filterable attributes CloudImage CDN integration for Magento 2 Developing GraphQL endpoints for custom modules in Magento 2. Implemented GraphQL proxy in Node.js. Its purpose is to merge and translate REST and GraphQL APIs from 3 services and expose them as unified GraphQL endpoint. This was not a federation.

Projects: - iluve.com - libet.pl - primamoda.com.pl Integration with payment gateways. Product banners customisation and optimizations. Custom page builder solution on Angular.js for Magento 1.9