Available for Freelance & Projects
Building high-performance, beautiful web & mobile experiences.
I am a Senior Software Engineer, Tech Lead, and Freelance Developer focused on crafting clean, scalable web and mobile applications, optimizing infrastructure, and leading cross-functional teams.
Curriculum Vitae
Experience
Owner
August 2011 - PresentRounsavall Web Development, LLC (Freelance)
- General web development, SEO & consultation.
Senior Software Engineer, Tech Lead
Sept 2023 - Mar 2026Endpoint
- Unified CI/CD workflows by embedding automated tests and security audits, enhancing deployment speed and system stability while ensuring compliance in a security-sensitive environment.
- Integrated containerized pre-merge testing into CI/CD flows to catch defects prior to running full E2E test suites, establishing a new company-wide standard for microservice validation.
- Joined the platform migration team to rapidly transition multiple critical services into First American infrastructure under a tight schedule, successfully unblocking key company pilot programs.
- Executed a migration to Pydantic v2, realizing a 20x improvement in the speed of API validation and data serialization.
- Designed a system to process all incoming operational emails, facilitating AI-powered autonomous actions.
- Led the Zendesk integration project, partnering with support groups to reduce manual data collection by 66%.
- Utilized LaunchDarkly for feature flagging to support experimentation-driven product developments.
- Leveraged Amplitude for instrumentation and analytics to drive data-informed technical decisions and monitor meaningful success metrics.
Senior Software Engineer, Tech Lead
May 2022 - June 2023Lessen
- Led development of scalable web and mobile applications to streamline field workflows.
- Architected and implemented offline data support and synchronization features, enabling field service teams to seamlessly execute operations in areas with no network connectivity.
- Developed a NestJS microservice to manage complex business processes for field employees.
- Created a Kafka adapter for real-time data streaming and processing, allowing microservices to leverage broader business events.
- Improved team delivery pace by mentoring junior developers and optimizing code contribution workflows.
Senior Software Engineer, Tech Lead
Sept 2019 - May 2022Keap
- Architected highly scalable systems for a 2nd phone line and mobile app, contributing to a 20% increase in active users.
- Engineered a seamless migration from Realm to WatermelonDB for local offline-first storage, achieving a 20x improvement in data handling and query execution speeds.
- Optimized image assets and local media storage mechanisms on-device, reducing the application install size by 15%.
- Built a custom A/B testing solution using Amplitude to validate different mobile onboarding UIs on-device, directly influencing product direction based on user data.
- Developed and maintained multiple ExpressJS microservices to facilitate reliable mobile communications, supporting +500k messages and thousands of call hours.
- Developed onboarding workflows to meet new government regulatory requirements for virtual phone lines, demonstrating success in compliance-sensitive domains.
- Collaborated closely with cross-functional teams and 3rd-party stakeholders to integrate various platforms into the company CRM.
Systems Analyst & Website Specialist
August 2014 - September 2019Arizona State University (Higher Education)
- Empowered more than 100k students to manage their University experience from a mobile device.
- Enabled student navigation across 4 campuses with an in-house mapping and directions application.
- Simplified campus travel for a fleet of 30 IoT carts with a golf-cart rental application.
- Demonstrated the power of IoT through live venue experiences in Sun Devil Stadium.
- Developed a student ticketing platform for ASU 365 events, supplying +100 tickets within the first month.
- Accelerated application development with a reusable authentication package.
- Contributed to the creation & management of websites for 15 university colleges with a Drupal distribution.
- Developed and maintained the standardized global ASU Header, simplifying navigation and login capabilities across dozens of college websites.
- Improved student acquisition with a "Request for Information" module that could be applied to all college websites.
- Standardized websites with reusable web components, styling libraries & guides.
- Optimized analytics via Google Tag manager.
Education
BS Computer Science
2023Colorado State University Global
AAS Web Development
2014Mesa Community College