Randy – Swift, SwiftUI, Objective C

Projects dedicated to building custom AI and ML solutions.

• Developed end-to-end machine learning workflows using Python, Jupyter, and scikit-learn;
• Built and tested AI-powered prototypes leveraging OpenAI and Hugging Face APIs;
• Designed and trained custom models for natural language processing tasks such as summarization and classification.

It's a digital tipping platform for the hospitality and service industry.

• Developed complex integrations with 3rd party frameworks using Kotlin Multiplatform;
• Worked with two other engineers to build the iOS and Android apps to their first releases;
• Increased unit test code coverage by over 60%.

It's a betting and gaming startup created to build a new sportsbook app.

• Oversaw the development of the app’s iOS and Android versions, leading a team of nine engineers;
• Collaborated with technical leads to architect the front-end infrastructure;
• Engaged with key stakeholders and back-end leadership to shape and prioritize the feature development roadmap;
• Built a custom analytics platform for mobile;
• Reviewed code regularly to improve clarity, structure, and performance;
• Handled Scrum Master duties, running all Agile ceremonies.

It's a document management platform.

• Handled the entire mobile development effort for the iOS app;
• Collaborated with the back-end team to define the GraphQL schema;
• Worked with stakeholders to shape the feature roadmap;
• Created a custom fork of PDFTron tailored for use in the app;
• Developed comprehensive unit and UI tests in the absence of a dedicated QA team.

It's an agency that builds mobile solutions for its portfolio of clients.

• Played a key role in projects for First Republic Bank, Kaiser Permanente, and Tesla;
• Reverse-engineered the Tesla app and developed an improved iOS version from scratch;
• Developed multiple features for the Kaiser app using Kotlin;
• Built the entire "business" version of the First Republic Bank app using Swift and contributed to the on-time completion of the "commercial" version using Objective-C;
• Executed a strategy to integrate analytics for First Republic Bank.

It's a cloud-based CRM platform for the life sciences industry, particularly pharmaceutical and biotechnology companies.

• Participated as a founding developer, supporting the company’s progression from startup to IPO;
• Led and took ownership of multiple major features;
• Engineered a framework to improve the efficiency of UI testing;
• Acquired skills as a Salesforce Cloud Administrator to support the team.