Carl Jun Matobato

Led decomposition of 15+ product requirements into frontend modules, backend services, and API contracts while reorganizing shared logic and data access to keep components stable and reusable. Built full-stack workflows across React-based interfaces, server-side endpoints, and database operations with robust request handling, input validation, and consistent error messaging across layers. Diagnosed slow screens, slow queries, and recurring defects by analyzing logs and debugging tools, prioritizing root-cause fixes while preserving existing app behavior. Ran PR reviews, debated tradeoffs, documented technical decisions, and coordinated with product, QA, and engineering to clarify acceptance criteria and unblock progress. Planned regression scenarios for changed features, verified API responses and user flows, supported defect triage, and monitored post-release issues through successive deployments; optimized key API requests to achieve an estimated ~30% faster response time for critica

Integrated language model capabilities into application workflows involving document processing and contextual search, connecting AI components to existing services and user-facing experiences. Developed service-layer endpoints for client applications and external providers, focusing on payload validation, authentication boundaries, predictable errors, and consistent data exchange. Structured content and application data to support search and retrieval, assessing how context is selected for model inputs and evaluating output relevance and reliability against expected behavior. Linked responsive frontend forms and information views to backend APIs and persistent data; traced defects across browser behavior, business logic, and database operations. Assessed failure scenarios such as missing context or malformed responses, contributing to fallback behavior, input checks, and testing approaches for AI-assisted features; refined document retrieval and model output validation to deliver an e

Translated client requests into deliverable milestones by clarifying feature scope and assumptions and proposing practical implementations that balance functionality with maintainability and clear handoff. Built responsive layouts, data-entry forms, reusable components, and interactive behavior; refined navigation, validation, and user feedback based on client input. Implemented server-side logic, connected external APIs, managed data submission and retrieval, and troubleshot integration failures affecting user-facing functionality. Reproduced issues, isolated defects across frontend and backend, verified fixes via functional and regression checks, and prepared changes for client acceptance. Provided progress updates, managed revision requests, and documented key workflows and configuration details for operational readiness post-delivery; reused components across projects to contribute to an estimated ~25% reduction in average development turnaround time.