📝 Summary
Senior Fullstack Engineer with over 20 years of experience, with a
primary focus on modern Frontend development
and high-performance UI architecture. Expert in building scalable web ecosystems using
React 19 and Vue 3, I specialize in creating seamless user experiences by
bridging the gap between sophisticated backend infrastructures and
intuitive interfaces.
My expertise includes architecting unified API strategies with GraphQL (Apollo Federation),
orchestrating mission-critical workflows with Temporal.io, and implementing robust state
management patterns using TanStack Query. I have a deep background in
multi-tenant architecture and e-commerce systems, with a proven track
record of modernizing legacy platforms and leading technical evolutions that deliver immediate business
value.
⭐ Professional Achievement Stories (STAR Method)
1. Custom Admin Dashboard for Multi-Tenant Management
Situation:
After scaling the storefront creation process, owners and group leaders lacked a centralized,
user-friendly interface to manage their stores, track performance, and customize settings.
Task:
Develop a comprehensive, custom Admin Dashboard from scratch to empower users with data-driven insights
and full control over their storefront ecosystem.
Action:
Frontend Development:
Architected and built a responsive dashboard using React and TypeScript, ensuring a seamless UX for
non-technical users.
State Management & Data Fetching:
Utilized TanStack Query (React Query) for efficient server-state management, implementing
sophisticated caching, optimistic updates, and background synchronization to ensure data consistency
across the dashboard.
Data Management:
Implemented complex order reporting modules with advanced filtering, detailed views, and
high-performance CSV export functionality for large datasets.
Customization Engine:
Developed a flexible settings module allowing group leaders to manage branding, store
configurations, and user permissions across multiple tenants.
Result:
User Empowerment:
Provided 100% self-service capability for store owners, significantly reducing the load on the
support team.
Operational Efficiency:
Streamlined the reporting process, enabling leaders to generate and export business-critical data in
seconds.
Scalability:
The dashboard's modular architecture allowed for the rapid addition of new features as the
platform’s business requirements evolved.
2. Scaling Development with GraphQL Federation
Situation:
The engineering department needed a way to allow multiple independent teams to work on a complex
microservices-based fundraising platform without creating bottlenecks in API development and
integration.
Task:
Establish a unified architectural layer to orchestrate cross-team development, centralize infrastructure
concerns, and maintain high performance.
Action:
Architecture:
Implemented Apollo Federation to transition from isolated services to a unified supergraph.
Tech Stack:
Leveraged TypeScript, Node.js, and Prisma to build a robust, type-safe gateway and subgraphs.
Centralization:
Integrated mission-critical middleware into the Gateway, including centralized auth, API key
management, and rate limiting.
Result:
Scalability:
Successfully expanded the ecosystem to 25+ microservices managed by different teams.
Efficiency:
Significant boost in feature delivery speed by decoupling frontend requirements from backend
deployments.
Performance & Control:
Improved overall system stability through centralized governance and optimized data fetching.
3. Migrating Complex Workflows from Workato to Temporal.io
Situation:
The core process for automated storefront creation was initially built on Workato (low-code). As the
platform scaled, this approach became a bottleneck due to its limited debugging capabilities, high
operational costs, and lack of flexibility for complex business logic.
Task:
Replace the Workato-based flow with a custom, high-performance in-house solution capable of handling
complex, long-running site-generation workflows with high reliability.
Action:
Solution Design:
Selected Temporal.io as the orchestration engine to manage the entire lifecycle of storefront
creation.
Engineering:
Developed durable workflows in TypeScript, replacing opaque low-code logic with maintainable,
versioned, and testable code.
Implementation:
Applied the Saga pattern to handle distributed transactions across multiple services, ensuring
a consistent state even in case of partial failures.
Result:
Reliability:
Achieved 99.9% success rate for automated site creation, with automated retries and clear visibility
into execution states.
Efficiency:
Reduced operational overhead and dependencies on third-party low-code platforms, providing full
control over the execution logic.
Observability:
Dramatically improved debugging speed by leveraging Temporal’s visibility tools, allowing the team
to resolve workflow issues in minutes rather than hours.
4. Centralized Identity Provider (SSO) for Corporate Ecosystem
Situation:
The organization utilized a family of corporate products, each with its own siloed authentication logic.
This led to a poor user experience, duplicated user data, and significant security risks during account
management and offboarding.
Task:
Design and implement a centralized Single Sign-On (SSO) service to provide a unified entry point,
streamlined user management, and enhanced security across all corporate applications.
Action:
Security Architecture:
Developed a robust authentication system based on JWT (JSON Web Tokens) using Node.js and Prisma.
Implemented secure token rotation, blacklisting, and cross-domain session handling.
Authorization Logic:
Built a granular Role-Based Access Control (RBAC) system, allowing administrators to define precise
permissions for different products within a single interface.
UI/UX Development:
Designed and built a modern, intuitive identity portal using Vue 3, covering registration, secure
login flows, and user profile management.
Result:
Unified Experience:
Enabled seamless navigation between products with a single set of credentials, dramatically
improving internal user satisfaction.
Security Compliance:
Centralized the offboarding process, allowing security teams to revoke access to all corporate tools
instantly from a single point.
Integration Readiness:
Reduced the time required to integrate new internal products into the ecosystem by providing a
standardized authentication API.
