Abigael Onchiri

Senior Software Engineer

• Architected and integrated the Copilot Notebooks AI agent with Microsoft 365 Copilot’s orchestration platform, migrating from v1 to v2 while preserving session reconnection and conversation history.
• Implemented human-in-the-loop approvals, idempotent artifact creation, confidence-gated retrieval, and multi-turn request queuing.
• Built the chat composer, speech-to-text, Safe Links citations, cross-surface drafts, loading and error handling, and turn-level telemetry, latency metrics, and user feedback.

Software Engineer 2

• Built Loop workspaces in Teams channel tabs with Microsoft Graph APIs, reusable React and TypeScript components, Context API, and real-time synchronization.
• Optimized Apollo GraphQL queries, mutations, and hooks, reducing network requests by 20%; improved performance with code splitting, tree shaking, service worker caching, and shared routing services.
• Developed monitoring dashboards and unit and integration tests using React Testing Library, Jest, and Enzyme.

Software Engineer

• Launched Shifts and Tasks features using SharePoint Framework, React, and TypeScript, providing frontline workers access to schedules, time clocks, and tasks; owned delivery through GA and live-site health.
• Built reusable components with MobX, added application telemetry, and migrated automated tests from Cypress to Playwright for broader coverage and cross-browser compatibility.

• Built Loop workspaces in Teams channel tabs using Microsoft Graph APIs and reusable React and TypeScript components with Context API state management and real-time data synchronization.
• Optimized Apollo GraphQL queries, mutations, and hooks, reducing network requests by 20%; improved performance through code splitting, tree shaking, service worker caching, and shared routing services.
• Developed monitoring dashboards and unit and integration tests with React Testing Library, Jest, and Enzyme.

• Launched Shifts and Tasks features with SharePoint Framework, React, and TypeScript, giving frontline workers access to schedules, time clocks, and tasks; owned delivery through GA and live-site health.
• Built reusable components with MobX state management, added application telemetry, and migrated automated tests from Cypress to Playwright for broader coverage and cross-browser compatibility.

• Built APM Analytics features and REST APIs using React, Redux, Node.js, Express, and Java Spring; enabled per-tenant audit services and resolved 70% of outstanding UI defects.
• Developed Polymer.js components and Java Spring microservices for multi-tenancy. Led cloud HCM planning, Agile work plans, integration strategies, and vendor evaluations; assessed architecture, security, compliance, and SLAs and contributed to an RFP that secured executive funding.

• Built a PHP, SQL, and JavaScript reservation system with interactive seating for 600+ employees and an HTML5, PHP, and SQL content management system for employee charity events.