Gustavo H. Mascarenhas Machado

Sourceability LLC (2020 - current)

Senior Software Engineer

• I work on the e-commerce platform sourcengine.com, including reverse engineering and migrating legacy applications; planning, implementing and maintaining high-performance APIs, and producing high-value business deliverables.
• Tech stack: PHP7 & PHP8, Symfony 4 & 5, Microservices, Kubernetes, AWS, Docker, PostgreSQL, Redis, RabbitMQ, et cetera.

FlixBus (2018 - 2020)

Software Engineer, API & Partner Integrations

• I supported our internal and external customers integrating with our APIs.
• I wrote and maintained the documentation of our public facing APIs.
• I worked on developing an API Management Platform using cutting-edge technologies.
• Tech stack: Kubernetes, AWS (various services), AWS API Gateway, Kong, OpenAPI Specs, Docker, PHP7, Symfony 3 & 4, PostgreSQL, MySQL, Terraform, Prometheus, Grafana, et cetera.

Global Supps LLC (2016 – 2018)

Software Engineer

• I designed, implemented and deployed software products that generate millions of dollars in revenue.
• I coordinated third-party contractors to deliver timely, business-tailored and on budget solutions.
• I devised conversion optimization strategies through data-centric approaches that resulted in increased revenue.
• Tech stack: PHP7, Symfony 3 & 4, MySQL, PostgreSQL, Redis, Ruby, Wordpress, WooCommerce, Ansible, Capistrano, SASS/SCSS, HTML, Javascript, Vue.js, Scala, Play Framework, Beanstalkd, Linux, AWS.

Independent Consultant (2010 – 2018)

Software Engineer

• I implemented new features on an e-commerce website that brought down response times by 50% and increased revenue by 200%.
• I improved legacy applications, making them safer, more reliable and easier to maintain.
• I fixed broken and partially implemented applications, making them functional again.
• I devised new business strategies that brought more revenue and delivered better - and measurable - results to an e-commerce business.
• I advised multiple business on hiring decisions, evaluated new projects and third-party proposals and supervised projects executed by contractors.
• Tech stack: PHP7, Symfony 3 & 4, MySQL, Redis, Magento, Wordpress, WooCommerce, Linux, AWS.

EBANX Ltd. (2013 – 2015)

Integration Manager (2014 - 2015)

• I effectively managed the Integration Team, delivering impressive results with the company's smallest team.
• I coordinated the development of new integration solutions, which allowed new customers to integrate with our systems and which increased the company's revenue.
• I assisted our Sales team during business negotiations by selling the technical aspects of our product and helping close multimillion-dollar contracts.
• Tech stack: PHP5 & PHP7, Ruby, Ruby on Rails, Magento, MySQL, WooCommerce, Linux, AWS.

Integration Specialist (2013 - 2014)

• I assisted our customers to solve technical issues, decreasing ticket response times and improving customer satisfaction.
• I implemented new integration methods that decreased the integration time from many days to less than an hour.
• Tech stack: PHP5 & PHP7, Ruby, Ruby on Rails, Magento, MySQL, WooCommerce, Linux, AWS.

Meta IT Services (2013 – 2013)

Developer Analyst

• I modernized and documented several modules from a legacy ERP through reverse engineering.
• I created a new standard user interface that improved the user experience substantially.
• I wrote a guide on optimization for the PostgreSQL database that was used by the entire team.
• Tech stack: PHP5, PostgreSQL

Tradincom Ltda. (2011 – 2013)

Software Engineer/Partner

• I developed a business-oriented social network focused on the agricultural commodities market
• I built a tool for trading agricultural commodities online (undisclosed)
• Tech stack: PHP5, MySQL, Zend Framework, Ruby, Ruby on Rails

Cripon (2010 – 2011)

Founder

• I developed, customized and sold a group buying software which was used by hundreds of brazilian websites.

Embrapa Florestas (2010 – 2010)

Intern

VALVe Corporation (2006 – 2008)

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