Alan Weingärtner Email & Phone Number

Carazinho, Rs, Br

London, United Kingdom

Santa Maria, Rio Grande Do Sul, Brazil

Refactored and modernized infrastructure by migrating to Oracle Cloud Infrastructure (OCI) and streamlining build/deployment processes with Ansible playbooks. Significantly reduced frontend build times by 82% through the transition from Webpack to Vite, accelerating development cycles.Developed an internal Go service for obtaining and renewing TLS certificates for 1000+ registered domains within the CRM, ensuring security and compliance. This service has been operating without issues for two years. Consolidated the application's auditing process, ensuring comprehensive tracking of changes and preventing permanent data loss.Developed and maintained open-source PHP SDKs for Laravel, utilized across projects to foster interoperability and code reuse. Contributed significantly to the development and maintenance of the CRM application (Laravel, Vue.js v2).Enhanced system observability by integrating ELK (Elastic, Logstash, and Kibana). Optimized an image compressing service as a cloud function, improving performance and reducing costs.Participated in tech management, guiding new developers to ensure knowledge transfer and maintain development standards.

Santa Maria, Rio Grande Do Sul, Brazil

Designed and led the development of LogU, a passwordledd user authentication and authorization platform using mobile devices as proof of identity and consent tool. Achieved with OpenID connect and asymmetric keys stored in the user’s device.Developed a Google Chrome extension allowing users to access the platform functionalities without the need for third-party sites to implement the "Log in with..." button.The applications were developed natively for iOS and Android, with the back-end built in NodeJS.

Santa Maria, Rio Grande Do Sul, Brazil

Developed interactive VR items utilizing the Valve plugin for Unity, integrating realistic hand and finger movements with Valve Knuckles.Contributed to the development of various features in two games, MonoWheels and Cow Milking Simulator, focusing on UI, gameplay, and code optimization. Successfully ported MonoWheels to PlayStation VR, overcoming numerous challenges.Performed major refactoring of the main game's code to improve performance, significantly reducing draw calls from 12,000 to 3,000, aligning with Unity's guidelines, and mitigating artifacts due to improper memory access use.Led the creation of tools to aid game designers, enhancing their creative process within Unity.Managed and maintained an in-house Linux infrastructure for local file sharing and collaboration among the development team.

Santa Maria, Rio Grande Do Sul, Brazil

Hybrid Application Developer for a competitive event management system using Ionic to manage over 200 participants.Features included enabling participants to communicate with judges, view their evaluations and overall standings, and check-in for internal events in real time. This check-in function was crucial as participants were grouped into smaller numbers and rotated among various internal events.Developed the back-end using the Laravel framework (PHP) alongside PostgreSQL and implemented a payment confirmation system using the PagSeguro API.

Santa Maria, Rio Grande Do Sul, Brazil

Lead Developer for a Raspberry Pi-based audio broadcasting system using Java. Concentrated on analog-to-digital conversion and UDP streaming to an Android app.Developed an application for predictive maintenance in elevators, utilizing BLE sensors and an accompanying Android app. This included real-time data monitoring and algorithms for anomaly detection.Refactored an API Gateway in Python for IoT sensor data management, employing greenlets for non-blocking processing.Full-Stack Engineer for DeviceHeaven, an IoT data visualization platform, built using pure PHP, JavaScript, and jQuery. Oversaw the project from conception to deployment.