Caleb

• Contributed to the development and release of high-traffic streaming applications serving millions of users across web, iOS, Android, smart TVs, and connected-TV devices.
• Built and maintained cross-platform features using React, React Native, TypeScript, JavaScript, and modern SPA patterns, including authentication, entitlement flows, playback surfaces, navigation, state management, responsive UI, and device-specific interactions.
• Improved application performance across devices with widely different CPU, memory, screen, input, and network constraints, diagnosing rendering bottlenecks, navigation issues, playback problems, and platform-specific failures.
• Led cross-platform implementation efforts by defining reusable components and shared architecture while isolating platform-specific behavior to keep experiences consistent and maintainable.
• Implemented responsive interfaces that adapted from mobile and desktop screens to large televisions, including remote-control navigation, focus management, accessibility, and constrained-device optimization.
• Worked closely with Product, Design, QA, and backend teams in a distributed environment to take features from requirements through implementation, testing, release, and production support.
• Used Claude Code, Codex, and AI-assisted development workflows for implementation planning, refactoring, debugging, repetitive code changes, and code review, while manually validating architecture and production-critical behavior.
• Used automated testing and regression practices with Jest, Playwright, integration tests, and platform-specific testing tools to protect critical user journeys and catch cross-device issues before release.
• Supported CI/CD, production debugging, monitoring, code review, and technical mentoring, helping improve release confidence and engineering velocity across multiple device families.

• Built and maintained production single-page applications and internal platforms using Angular, React, Next.js, TypeScript, JavaScript, HTML, CSS, and Flutter, including complex forms, routing, state management, validation, dashboards, responsive layouts, and API-driven workflows.
• Developed features for an Android-based Electronic Medical Records (EMR) and Patient Management system supporting sickle cell and malaria care, with offline-first data collection, synchronization, retry, and recovery flows for low-connectivity clinical environments.
• Built and maintained internal Flutter applications for managing patient records, clinical data, and operational workflows, improving data entry, access, and day-to-day efficiency.
• Designed and implemented backend services with Spring Boot, Node.js, Express.js, REST APIs, PostgreSQL, Redis, RabbitMQ, and Python/Odoo, supporting healthcare, administrative, payment, and background-processing workflows.
• Deployed and operated services on Google Cloud, using caching, queues, asynchronous jobs, CI/CD, monitoring, and production debugging to improve reliability and performance.
• Used Claude Code, Codex, Cursor, and structured AI-assisted workflows for implementation planning, refactoring, debugging, code generation, documentation, and repetitive cross-stack changes, while manually reviewing architecture, security, and edge cases before merge.
• Added automated coverage with Jest, Playwright, integration tests, API tests, and framework-specific testing tools for critical workflows, regressions, validation, and end-to-end user journeys.
• Worked across frontend, backend, mobile, cloud, testing, and production support, taking features from requirements and data modelling through implementation, deployment, and maintenance.

Implemented and supported complex biometric software systems currently used in mission-critical government processes, contributing across the full software development lifecycle from requirements analysis and design to deployment, maintenance, and production support.

Developed backend services using Spring Boot and built Android native applications for biometric enrollment, verification, and identity management workflows.

Implemented background fingerprint matching using Neurotechnology biometric libraries, improving the efficiency, accuracy, and reliability of biometric verification processes.

Collaborated with functional design teams, stakeholders, and engineering teams to deliver secure, high-performance software solutions that improved client experience, system functionality, and operational reliability.