Juan Andres Espinoza Ulloa Email & Phone Number

San Diego, Ca, Us

Carlsbad, Ca, Us

- Developed and maintained a cluster of 3+ event-driven multi-language services with major contributions to each.- Configured Kafka consumers and listeners across 3 microservices, enhancing system resilience and data consistency.- Maintained a 99.9% uptime AWS-deployed, containerized system that served “no-fail” missions for high ranking government officials- Collaborated in an 8 person, self-directed scrum team to design a state-machine for managing network links across a fleet of 100 aircraft, ensuring cybersecurity through automated mitigation.- Enhanced state-machine performance by implementing Spring-based multi-threading, increasing performance 10x and ensuring real-time responsiveness to Kafka events and network statuses.- Led the initiative to upgrade Spring Boot applications from versions 2.7 to 3.2, collaborating across 3 development teams encompassing 20+ engineers.

Carlsbad, Ca, Us

- Managed a team of 3 interns on a full-stack development program that streamlined updates via automated, zero-downtime, OTA updates that saved 2000 technician hours over the first year.- Worked with business stakeholders to capture FAA and Air Force requirements for updates that would impact mission uptime.

Carlsbad, Ca, Us

- Engineered a robust application installation framework for ViaSat's airborne modems, facilitating Docker-based app deployment with an integrated Golang backend server and network configuration via shell scripting.- Developed an antenna calibration monitoring feature through the full SDLC, channeling data flow from the antenna control unit through modem software in C to an intuitive Golang and ReactJS user interface. Helping to capture a $5 Million Business Aviation renewal.- Led a complete overhaul of a critical modem control daemon in C, developing extensive design documentation and a new state machine algorithm to enhance reliability and operational efficiency. - Streamlined PDF parsing in Java/Spring Boot, crafting two new parsers and refactoring the codebase to introduce utility and factory classes, enhancing system adaptability and code quality.

Carlsbad, Ca, Us

- Virtualized a satellite system by configuring simulator software to support new features.- Worked in a team of three to navigate a complex codebase and achieve our goal.- Automated the procedure to deploy the virtualized system using Jenkins.- Created Robot Framework keywords to navigate and configure the web dash of the system’s components.-Wrote a Jenkins pipeline script to automate building the simulator software and upload it to Artifactory. Languages/Tools used: C, C++, Java, Robot Framework, Bash, Jenkins, Artifactory.

Bachelor Of Science - Bs, Computer Science

Bachelor Of Science - Bs, Mechanical Engineering

Associate Of Arts - Aa, Mathematics