Ondda is an application that enables offline communication through mesh networks using Bluetooth Low Energy. Through a completely decentralized protocol, it aims to provide services where connectivity is compromised due to lack of service, congestion, or other reasons.

- Developed a tree panel Grafana plugin integrated with PostgreSQL to filter product assets and metrics. - Delivered with unit and screenshot tests as well as a Storybook to manually test components.- Designed and developed a REST API integrated with PostgreSQL and Redis required to manage customers, assets, metrics, and additional metadata. Protected with JWT and necessary XSRF defense mechanisms. Fully e2e and unit tested.- Developed a web app to perform CRUD operations on customers, assets, and metrics using Next.js and TypeScript.

- Built an Envoy-based Web API gateway that withstands over 80,000 requests per minute with a custom control plane written in Java.- Set up and ran more than 20,000 concurrent user performance tests on our API gateways.- Developed an API catalog web app for listing and discovery of internal APIs. Designed its database model from scratch and improved query performance as usage increased.- Added several features, including HTTP patch support and compliance checks to a custom Swagger YAML parser and API client code generator.- Improved a datacenter logging pipeline by fixing a Journal and Journalbeat integration and setting up a Vagrant VM to test and reproduce anomalies.- Deployed and set up monitoring for all of our microservices working with technologies like Telegraf, Prometheus, and Grafana dashboards to provide immediate feedback when something went wrong.Developed an OAuth 2.0 client generation REST API to allow developers to self-service their OAuth clients.

- Redesigned main product screens, including flights, hotels, and reservations.- Triaged and fixed performance issues related to the rendering of custom layout components and memory leaks.- Set up virtual box emulation of devices for faster development.