Catalin Ilinca
Software Engineer, System Architect & Indie Game Developer
🪪 I'm Catalin Ilinca / Tech Wizard.
🫵 Feel free to follow me using the links bellow:
- Website: techwizard.ro
- Email: [email protected]
Toptal 2022 - Present
- Projects:
- Toptal.com - Senior Software Engineer.
- Technologies: Ruby on Rails, GraphQL, Docker, PostgreSQL, Redis, Sidekiq, nodeJS, Typescript, ElasticSearch, Kafka.
- Highlights:
- Refactor monolith application, test covering, data migration.
ThoughtWorks 2018 - 2022
- Projects:
- Aircall.io - Senior Software Engineer.
- S4M - Senior Software Engineer.
- SWRVE.com - Senior Software Engineer.
- Technologies: Ruby on Rails, GraphQL, Docker, AWS, MySQL, Redis, Sidekiq, nodeJS, Typescript
- Highlights:
- SWRVE - developed platform audit tool using Ruby on Rails and MySQL.
- Aircall.io - refactor / redesign monolith application to micro services, test covering, data migration.
Fepra.ro 2018 - Present
- Projects:
- app.raportare-fepra.ro - System Architect.
- Technologies: Ruby on Rails, GraphQL, Docker, AWS, Blockchain, MySQL, Redis, Sidekiq, ReactJS, nodeJS, nginx, Memcached, haproxy.
- Highlights:
- Continuous development and Integration using GitHub, Jira, CodeShip, Docker and AWS EC2.
- Blockchain integration with Ruby on Rails API.
- PDF and Graphic manipulation and generation.
TechWizard.ro 2017 - Present
- Indie Game Developer.
- Technologies: Unreal Engine, Unity, Godot.
2Performant.com 2015 - Present
- Tech Lead with many accomplishments:
- Infrastructure migration form Metal to AWS Cloud.
- Redesigning monolith platform to micro services.
- RSpec tests for previously 0% covered application.
- Team mentor of 5-9 members.
- Designing Development Flow.
- Stress testing and uptime optimisation.
- Backup and Data integrity.
- Data protection and security.
- Technologies: Ruby on Rails, MySQL, Redis, Memcached, Sidekiq, nginx, python, javascript, AngularJS, AWS Lambda, DynamoDB.
- Highlights:
- Outage handling and recovering, including a “hot production database drop”.
- BlackFriday scaling with 99.99% uptime and traffic ingestion.
- Statistics module rewrite using ETL techniques and processes.
- Designed and implemented a resilient infrastructure without any single point of failure, with failsafe and recovery instances for every critical service.
- Ingested more than 5m unique clicks / month and peaks of more than 2m clicks / day (on special events).
Deindeal.ch 2015
- Ruby on Rails developer.
- Technologies: Ruby on Rails, MongoDB, PostgreSQL, Sphere.io.
- Highlights:
- Database layer migration from MongoDB to PostgreSQL.
- Unified mobile - desktop shopping cart.
Intuo.io 2013 - 2015
- Lead Developer for intuo.io.
- Successfully pushed the platform in the early stages of the seeding rounds.
- Technologies: Ruby on Rails, EmberJS, Rspec, Capistrano.
- Infrastructure: Azure Cloud.
- Highlights: platform architecture migration from a single tenant design to a multi-tenant design.
2Parale.ro 2013 - 2015
- Lead Developer and System Architect for www.2parale.ro, migrated to 2performant.com, the biggest Affiliate Marketing platform in Romania.
- Technologies: Ruby on Rails, Sinatra, RSpec, MySQL, MongoDB, HTML5, Angular.js, jQuery, CoffeeScript, Memcached, Solr, Sphinx, nginx, Puma, Unicorn, Capistrano.
- Infrastructure: multi MySQL server configuration, multi Redis/Sidekiq configuration, MongoDB cluster and HTTP load balancing.
- Highlights:
- Product Feed parser using Ruby on Rails, Sidekiq.
- iOS application using Objective C.
- Upgrade legacy code from Ruby 1.9.3 to 2.2.x and from Ruby on Rails 3.x to 4.x.
Catalyst Worldwide 2012 - 2013
- Ruby on Rails Lead Developer.
- Software development for different US customers like McDonald’s US and stylitics.com.
- Technologies: Ruby on Rails, RSpec, Cucumber, MySQL, PostgreSQL, MongoDB, Redis, Twitter Bootstrap, Zurb Foundation, jQuery, d3.js, Underscore.js, Mustache, Backbone.js, Ember.js, Memcached, Unicorn, Puma, nginx, HTML5, R, Git, Photoshop, Adobe Flash.
- Highlights: custom data visualisations using Ruby on Rails, R and d3.js.
Freelancer 2006 - 2012
- Various websites, web applications APIs, iOS apps.
- Technologies: Ruby on Rails, Objective C.
- Highlights:
- Teatrul National de Opereta Bucuresti
- Policolor SA
- Magnolia Labs
- Ziarul National
- JTI Romania
- Ministerul Educatiei
- Mazda Romania
- Columbus Imobiliare
- Klar Automotive
- Tiriac Auto