Jim Allan Charles

Led iOS architecture and technical delivery for US-focused agronomy platform serving enterprise and consumer sectors.

Re-architected offline-first workflows with deterministic synchronization for enhanced user experience.

Improved sync performance, decreasing offline reconciliation time from 30 seconds to 5 seconds.

Led modernization initiatives, achieving an 80% reduction in application crashes.

Implemented multi-target build strategy, achieving 200% faster builds and increasing engineering throughput.

Developed Terraform and AWS workflows, contributing to SQL to Iceberg ETL design that minimized downstream AI inference costs.

Delivered iOS products for healthcare and agronomy, managing three concurrent projects to meet client needs.

Led cross-functional team of eight, including two iOS, two Android, and four additional members.

Defined coding standards and architectural guidelines, fostering collaboration and consistency across teams.

Introduced dependency injection and testing patterns to elevate code quality.

Developed reusable internal SDK/framework components, streamlining project delivery timelines.

Mentored three engineers, promoting professional growth and advancement opportunities.

Participated in hiring process through candidate interviews and team scaling initiatives.

Drove execution of five proofs of concept, achieving 60% conversion to projects.

- Built iOS solutions for Verizon using Swift and enterprise delivery practices.

- Developed XCUITest-based automation capabilities for scalable validation.

- Implemented socket-based communication between iOS test runner and Java parent engine.

- Improved reliability of real-device automated testing workflows.

Developed iOS/macOS features for legacy and native Apple stacks, enhancing user experience.

Executed in-app purchase integrations and coordinated App Store Connect releases for efficient app deployment.

• Oversaw App Store Connect release operations, ensuring on-time app launches.