Tiago Costa Email & Phone Number

Lisbon, Pt

Lisboa, Portugal

• Maintained and developed new fullstack features with Vanilla Javascript, and rawSQL (PostgreSQL) in a 10+ year old event-driven Monolithic project. Optimized product by ensuring performant and cacheable delivery of data via Redis (NoSQL).• Implemented features in Node.js (Express.js) based APIs ensuring unit test coverage with Jest and updated documentation with JSDoc and Swagger Docs.• Developed features in microservices following Typescript and NestJS workflows that handled large amounts of real-time data streams from base products with over 2 million users via Apache Kafka.• Wrote detailed Technical Requirements Documents with planning and POCs on how to develop future initiatives and code-reviewed tasks from the VoIP and support developer team.• Took bi-monthly, two week sprints with the production-level support developer team to identify critical customer bugs with the use of tools like Grafana and Prometheus, offering detailed explanations on product know-how and solving bugs for over 30 issues.• Mentored and onboarded two team members with in-depth knowledge about the product’s inner workings and team best practices, as well as setting up their personal development environment via Linux-based VMs and Docker-based microservices.

Évora, Portugal

• Led a small development team to build and design revamped websites and APIs with Vue.js, React, Typescript, and Node.js, greatly improving user experience and engagement.• Collaborated with the Design department by giving advice and suggestions on several UI components and translated designs and wireframes into high-quality code via Javascript following React workflows.• Developed a custom CMS and several in-house tools to automate several tasks with Node.js and MongoDB (NoSQL), which greatly improved the workflow of non-technical staff.• Worked together with the university's IT Department to create a platform for student housing with React and Redux and developed a public Node.js API for this data across the university's official channels.• Troubleshooted, audited, and debugged existing software to improve functionality, security, and performance by adding additional logging with Winston and unit testing with Jest.

Education record

Bachelor'S Degree, Computer Enginnering