Roman Saito

Shipped contractor invoicing and compliance features; built full-stack components including auth, forms, and dashboards. Engineered a multi-app Nx monorepo, standardizing linting/testing and increasing cross-app code reuse. Published a private Angular component library with 30+ components, reducing rework by 20% and speeding feature delivery by 15%. Upgraded Angular from v12 to v17, enabling standalone APIs, esbuild, and SSR. Created a modern dashboard UI with ApexCharts for FinTech clients.

Revamped Angular v9–v20 and Ionic v3–v8 via an Nx monorepo, delivering 20% faster initial loads and API responses. Redesigned critical billing workflows with UX usability testing, increasing customer satisfaction by 25%. Implemented real-time KPI dashboards with ngx-charts for data-driven decisions. Managed front-end delivery on AWS (ECS, S3, CloudFront), increasing cache efficiency and reliability. Built GitLab CI and Docker pipelines, reducing deployment time by 50% and streamlining QA. Mentored engineers on Angular signals, standalone APIs, and RxJS. Embedded biometric authentication in Ionic flows and added automated tests with static analysis to reduce errors.

Directed Angular migrations (v9–v20) and Ionic migrations (v3–v8), introduced Nx monorepo architecture enabling multiple squads to collaborate on shared modules and libraries while improving app performance by 40%. Partnered with PM to integrate human-factor design principles, boosting customer satisfaction scores by 25%. Established CI/CD pipelines with GitLab CI and Docker; deployed production workloads on AWS (EC2, S3, CloudFront) and halved deployment times. Set up automated testing and static analysis tools, enforcing coding standards and reducing bug density by 35%. Mentored squads on Angular best practices and emerging trends (standalone APIs, signals) and established cross-team coding conventions. Optimized NodeJS-based backend integrations, streamlining API consumption and reducing latency.