Andres – Swift, SwiftUI, iOS

iOS app for one of Canada's Big Five banks, serving millions of customers with core banking operations — account management, bill payments, mobile cheque deposits, e-transfers, and financial product access.

• Led a cross-functional iOS team, collaborating with business stakeholders, designers, and QA to ship banking features end-to-end.
• Architected and integrated new functionalities aligned with both user needs and regulatory compliance requirements.
• Enforced code quality through structured review processes, mentored junior engineers, and maintained team engineering standards.
• Partnered with product and business teams to translate requirements into technical specifications, bridging product and engineering.
• Drove agile delivery cadence, enabling efficient cross-functional collaboration and on-time feature releases.
• Optimized app performance, hardened security features, and ensured compliance with financial industry standards.

White-label iOS SDK for live commerce — powering short-form video, live streaming, shoppable content, and in-stream advertising with full tracking for e-commerce and retail brands.

• Built and maintained the FireworkVideo iOS SDK, delivering short-form video, live streaming, and shoppable content with embedded ad tracking.
• Integrated ad SDKs with impression and click tracking to support monetization of live and recorded commerce content.
• Collaborated with product and engineering leads to define SDK feature roadmap and align delivery with partner requirements.
• Mentored junior iOS engineers on SDK architecture patterns, MVVM structure, and performance best practices.

Cross-platform messaging platform used globally, supporting real-time chat, media sharing, voice/video calling, in-app subscriptions, and enterprise-grade security for business users.

• Redesigned iOS UI/UX to match evolving platform standards, delivering a modernized experience across multiple app generations.
• Implemented the SDK integration to streamline internal development and improve scalability.
• Optimized memory usage and runtime performance using Instruments, reducing crash rates and improving reliability.
• Developed in-app purchase and subscription flows to support premium feature monetization.
• Managed code reviews with Gerrit, maintained codebase integrity, and enforced unit testing standards across the team.
• Coordinated delivery with distributed teams across multiple locations to ensure seamless integration.

QR-code-based iOS game with a live-play format, rewarding users for scanning codes at real-world events and locations.

• Diagnosed and eliminated the crash rate from ~200 crashes/day to under 1/day, resolving critical stability issues.
• Refactored app from legacy architecture to MVC, reducing codebase size by ~20%.
• Improved memory footprint and runtime performance using Instruments profiling.
• Implemented custom animations using Core Graphics to enhance game feedback and visual polish.

iOS apps for Canada's national public broadcaster — news, hockey, and radio, serving a large national audience.

• Modernized app codebases to current iOS standards.
• Adapted layouts for iPhone 5 and created iPad-specific UI for the hockey app.
• Converted legacy memory management to ARC and reduced memory footprint using Instruments.