Senior Full-Stack Engineer

Senior Full-Stack Engineer — Aura Cloud Platforms

San Francisco, CA | August 2020 – Present

• Architected and deployed a high-throughput digital transaction platform using React, Node.js, and AWS, improving concurrent user capacity by 45% and successfully supporting 1.8M daily transactions with an average server response time under 120ms.
• Led a cross-functional engineering squad of 6 developers to refactor a legacy monolithic frontend application into modular React components, reducing initial page load times by 34% and cutting customer-reported user interface bugs by 28%.
• Optimized PostgreSQL database queries and implemented an in-memory Redis caching layer, lowering database read operations by 52% and reducing monthly AWS hosting infrastructure expenditures by 22%, saving the company $18,000 monthly.
• Integrated 4 major third-party payment processing gateways and webhooks, establishing automated transaction retry pipelines that reduced failed checkout workflows by 31% and recovered $95,000 in monthly revenue over a 6-month period.

Full-Stack Developer II — Vortex Digital Systems

Oakland, CA | June 2015 – July 2020

• Developed and maintained 30+ secure RESTful API endpoints using Python, Django, and PostgreSQL, scaling critical backend services to handle up to 8,000 concurrent requests per minute with a sustained system uptime of 99.99%.
• Rebuilt the primary customer onboarding dashboard utilizing React and Redux state management, improving user account conversion rates by 18% and reducing customer onboarding session drop-offs by 26%.
• Authored 400+ automated unit and integration tests using Jest and PyTest, raising codebase test coverage from 60% to 92% and reducing critical post-deployment hotfixes by 40% during weekly release cycles.
• Automated frontend build pipelines and continuous integration/deployment (CI/CD) workflows using GitHub Actions and Docker, cutting developer deployment setup times by 42% and reducing onboarding lag.

React, Redux, Node.js, Express, JavaScript, TypeScript, Python, Django, HTML5, CSS3, PostgreSQL, MySQL, Redis, MongoDB, AWS (EC2, S3, RDS, Lambda), Docker, Git, GitHub Actions, CI/CD, RESTful APIs, gRPC, Agile, Scrum

E-Commerce Microservices Migration

Role: Lead Full-Stack Architect

Tools: React, Node.js, Docker, AWS, PostgreSQL

Directed the 8-month migration of a monolithic e-commerce application to microservices, which reduced page loading times by 45% and saved $95,000 in annual server hosting fees.

Real-Time Collaboration Dashboard

Role: Senior Full-Stack Engineer

Tools: TypeScript, React, Node.js, WebSockets, Redis

Designed a WebSockets-enabled dashboard to support simultaneous document editing, enabling 15,000 active concurrent users to collaborate with a latency of under 50ms.

• AWS Certified Solutions Architect – Professional (2023)
• Certified Kubernetes Administrator (CKA) (2021)

• Languages: English (Native), Spanish (Conversational)
• Volunteer Work: Web development mentor for regional STEM initiatives (2018–present)
• Availability: 2 weeks notice