Gustavo Mascarenhas Machado

• As a member of the payments team, I designed and implemented a scalable, reliable, secure and PCI compliant payments ecosystem that processes over $100M per year. • Harmonized the payments ecosystem architecture, dependencies and practices, reducing the cognitive overload when switching projects and improving the efficiency of AI-supported (agentic) development. • Built a CLI tool using Go to improve the Developer Experience of the team, reducing the mean time to resolution and great facilitating testing. • Orchestrated a complex data migration strategy, transforming and moving millions of historical invoices to the new platform with zero data loss. • Tech stack: PHP8, Symfony 7, Event Sourcing, Domain Driven Design, Hexagonal Architecture, React, TypeScript/JavaScript, Go, Kubernetes, Terraform, AWS, Docker, Serverless, PostgreSQL, Redis, et cetera.

• Played a pivotal role in the success of the electronic components marketplace sourcengine.com and various internal tools, leading efforts in reverse engineering and migrating legacy applications. • Planned, implemented, and maintained high-performance APIs, delivering essential business solutions that significantly contributed to the company's growth and efficiency. • Tech stack: PHP7 & PHP8, Symfony 4/5/6, Vue. JS, TypeScript/JavaScript, Microservices, Kubernetes, AWS, Docker, PostgreSQL, Redis, RabbitMQ, et cetera.

• Provided critical support to internal and external customers for seamless API integration, ensuring optimal performance and customer satisfaction. • Authored and continuously updated comprehensive documentation for public-facing APIs, facilitating user understanding and successful integrations. • Developed an advanced API Management Platform utilizing cutting-edge technologies, driving innovation and enhancing the company's technological capabilities. • Tech stack: Kubernetes, AWS (various services), AWS API Gateway, Kong, OpenAPI Specs, Docker, PHP7, Symfony 3/4, PostgreSQL, MySQL, Terraform, Prometheus, Grafana, et cetera.

• Designed, implemented, and deployed software products pivotal in generating millions of dollars in revenue, directly contributing to the company's financial success. • Coordinated third-party contractors to deliver timely, business-tailored, and budget-compliant solutions, ensuring strategic project alignment and execution. • Developed and executed data-driven conversion optimization strategies, significantly boosting revenue and enhancing overall business performance. • 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.

CORE - CREDENTIAL OF READINESS

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