Christopher Hahn Email & Phone Number

Bangalore, Karnataka, IN

• Designed and developed social media features to Infosys platform promoting community growth where users share experiences, interests, accolades, and recruit members utilizing JavaScript, React, Bootstrap, SQL, and.
• Led 5 engineers that developed web applications provided clients a portal to manage their medical-related services utilizing C#, React, Bootstrap, Restful API, Dapper, ASP.NET, SQL, and Bootstrap, saving the company.
• Maintained solutions that modified databases utilizing C#, Restful API, Dapper, and SQL reducing workload by ~45% and saving ~$75K annually.
• Deployed a task board web tool that updates and informs various teams, utilizing C#, React, ASP.NET, SQL, and Bootstrap, increasing productivity by ~85%, and saving ~$100K annually.
• Automated file processing system that transfers files between various databases utilizing C#, ASP.NET, and SQL, reducing workload by ~90% and saving the company ~$1.5M annually.

Santa Cruz, CA, US

• Led team that developed social network web applications to facilitate communication between students, alum, and faculty of UCSC utilizing JavaScript, Python, Node.js, SQL, and Drupal, peaking at ~90k users.
• Led team that developed a web application that generates optimal class schedules utilizing JavaScript, Node.js, SQL, and Drupal, decreasing both dropout and repeat rates by ~ 85%, and peaking at ~8k users.
• Developed mobile application that assists students in locating information, directions around campus, and other resources utilizing JavaScript, Python, SQL, XML, and Android Studio, assisting ~17k students annually.
• Developed several websites for various organizations at the University of California Santa Cruz, utilizing JavaScript, Python, Node.js, SQL, and Drupal, increasing web traffic by ~90%, increasing news users by ~30%.
• Developed survey-based web application improved onboarding incoming students utilizing JavaScript, Python, Node.js, SQL, and Drupal, decreasing outreach to faculty and staff by ~35% and peaking at ~11k users.
• Developed survey-based web application provided student’s search information, schedule and meet with advisors, utilizing JavaScript, Python, Node.js, SQL, and Drupal, assisting ~13k students annually.

• Led 10 engineers to develop marketplace for client companies to advertise, sell, and distribute digital and real-world goods on digital marketplace accessible across various devices, utilizing AWS, MongoDB, Golang, and.
• Implemented several improvements to application responsiveness across various devices for unnamed project, utilizing Golang, AWS, MongoDB, and Facebook’s proprietary software, increasing responsiveness by ~45%.

• Improved UI of the website and mobile responsiveness across different devices, utilizing JavaScript, Vue.js, Node.js, Firebase, AWS, and Jasmine, increasing responsiveness by ~65% and increasing interactions by ~78%.
• Developed authentication system by account types and security, utilizing JavaScript, Python, Vue.js, Node.js, Firebase, AWS, and Bootstrap, decreasing security breaches by ~75% and peaking at ~30k users.

Santa Cruz, CA, US

• Taught Introductory to Java programming laboratory section, for 30+ students, where my duties were to teach fundamental concepts that were discussed in class, as well as, assign and assist students with their weekly.
• Taught Introductory to C programming laboratory section, for 30+ students, where my duties were to teach fundamental concepts that were discussed in class, as well as, assign and assist students with their weekly.
• Taught Abstract Data Type laboratory section, for 30+ students, where my duties were to teach fundamental concepts that were discussed in class, as well as, assign and assist students with their weekly laboratory.
• Taught Computer Systems and Assembly Language laboratory section, for 30+ students, where my duties were to teach fundamental concepts that were discussed in class, as well as, assign and assist students with their.

Chennai, Tamil Nadu, IN

• Designed, developed, and deployed a price comparison tool and calculator utilizing an algorithm, of my design, that uses benchmarks of competitor CRM suite prices and demographics, to provide the sales team with.
• Discovered several bugs within Zoho's internal database tools and worked alongside the engineering team to develop solutions utilizing SQL and Zoho’s proprietary software increased database tool responsiveness by ~45%.
• Designed, developed, and launched a Zoho marketplace CRM extension which integrated Walk Score web API, allowing users to find real-time information about the specific target locations utilizing JavaScript, Node.js.

San Francisco, CA, US

• Implemented several improvements to mobile and web application responsiveness and user interactions, leveraging JavaScript, AWS, and Twitter’s proprietary software, increasing responsiveness by ~85% mobile and ~90% web.
• Developed Twitter-based product that promoted engagement between teachers, students, and university to communicate in real-time safe-space monitored by university faculty with JavaScript, AWS, and Twitter’s proprietary.

Torrance, CA, US

• Taught Introductory to Java programming laboratory section, for 40+ students, where my duties were to teach fundamental concepts that were discussed in class, as well as, assign and assist students with their weekly.
• Taught Introductory to C++ programming laboratory section, for 40+ students, where my duties were to teach fundamental concepts that were discussed in class, as well as, assign and assist students with their weekly.
• Taught Advanced C++ programming laboratory section, for 40+ students, where my duties were to teach fundamental concepts that were discussed in class, as well as, assign and assist students with their weekly laboratory.

Santa Monica, California, US

• Implemented several improvements to mobile application responsiveness and user interactions, optimizing buttons, assets, and user fields and reduced load times utilizing Java, C++, SQL, and Microsoft Visual Studio.

Doctor Of Philosophy - Phd, Computer Science

Bachelor Of Science - Bs, Computer Science

Associate Of Science - As, Computer Science