Julio Gutierrez

• Spearheaded multiple cost-saving initiatives, resulting in over $1.8M in annual savings through measures such as pausing Feed Alerts ($1.7M), optimizing data builders ($180k), and reducing AWS account costs ($120k/month)

• Led the successful migration of bidding models to the Inference Server and migrated 3 critical indexes to AWS, improving deployment simplicity, CPU utilization, and overall system stability.

• Drove the creation of comprehensive monitoring dashboards and SLOs for critical services, enhancing system observability and reliability.

• Demonstrated strong technical leadership by owning and resolving a critical 11-month long incident, ensuring the availability of the Job Alerts functionality.

• Pioneered research into Java 21 adoption and led the migration of an unmaintained library to a modern, supported alternative, demonstrating a commitment to technical innovation.

• Mentored and onboarded numerous junior engineers and interns, created and scaled a new pair programming interview, and fostered a culture of knowledge sharing and growth.

• Acted as a key technical partner and point of contact for numerous cross-functional teams, unblocking critical initiatives and ensuring successful project delivery.

• Improved developer productivity by enabling cache and incremental builds, resulting in a 30% reduction in build times.

Developed and maintained Java-based invoicing systems and client communication platforms

• Engineered a serverless application empowering patients and clinics to manage communication preferences

• Enhanced application performance by implementing query optimization, pagination, and data caching strategies

• Spearheaded the migration to a newer, more secure version of Spring Boot, mitigating security vulnerabilities

As a Lead Software Engineer on a travel platform, I focused on integrating and optimizing third-party connections to expand market reach and enhance system capabilities.

• Led a team of four developers, providing technical guidance and overseeing project execution to success

• Expanded market reach by integrating with external hotel, car, insurance, and flight systems in multiple countries

• Architected and implemented a new system design to accelerate the integration of third-party APIs

Contributed to a variety of software development projects, focusing on technology migrations, CI/CD optimization, and platform enhancements

• Participated in multiple technology migrations including SVN to Git, Maven to Gradle, and Java 7 to Java 8

• Optimized the development feedback loop by parallelizing CI/CD pipelines using Jenkins

• Contributed to the development and enhancement of a travel platform system

Contributed to the development and migration of Point of Sale (POS) applications for a major retail chain

• Developed and maintained a Point of Sale (POS) application for OXXO, the biggest chain store in Mexico

• Participated in the migration of the POS system from Fortran to Java, ensuring seamless transition and improved performance

• Contributed to the migration of build systems from Ant to Maven, enhancing project management and build automation

Contributed to IT outsourcing projects, focusing on e-invoice systems and platform consolidation

• Established a new business line by building an e-invoice system that integrated with a CMS and regulatory entities

• Implemented a proper branching strategy that consolidated different client implementations into one platform

• Contributed to the development and maintenance of a Content Management System (CMS)

Main developer for a mobile platforming game

• Led the development of a mobile platforming game, overseeing all technical aspects from conception to implementation

• Utilized Unity 3D, C#, and JavaScript to build core game mechanics, user interfaces, and interactive elements

• Contributed to a dynamic and engaging gaming experience for mobile users

Contributed to a patient and human resource management system, focusing on bug fixes and performance optimization

• Fixed critical bugs in a Java-based patient and human resource management system

• Optimized PostgreSQL database connections for improved system performance and responsiveness

• Gained experience in enterprise application development, database interaction, and performance tuning

Designed and implemented an inventory system to manage equipment and maintenance schedules

• Developed a comprehensive inventory system using .NET C# to track equipment, streamlining maintenance planning and record-keeping

• Enabled efficient scheduling of preventive maintenance by providing clear visibility into equipment status and service requirements

• Contributed to improving operational efficiency by ensuring timely maintenance and reducing equipment downtime

Contributed to the development and quality assurance of point-of-sale systems

• Resolved critical bugs in point-of-sale applications using C# and .NET, improving system stability and user experience

• Developed and implemented automated test scripts to ensure software quality and accelerate the testing cycle

• Gained practical experience in software development lifecycle, debugging, and quality assurance processes