Senior Full-Stack Developer, 10+ Years Experience

Pablo Alejandro Sanchez Moncada

Sr. Full Stack Developer

Ixtlán del Río, Nayarit, Mexico • 63940 *****************@*******.*** LinkedIn GitHub Summary

Senior Full Stack Developer with 10+ years of experience designing and delivering scalable web applications. Expert in .NET Core, AWS, microservices, and database optimization. Skilled in leading cross-functional teams, improving performance, and building secure, high-impact solutions for enterprise clients. Professional Experience

Sr. Full Stack Developer • Freelancer Feb 2025 – Present

Engineered a real-time monitoring system using Node.js, Express, PostgreSQL, and Redis, reducing transaction delay by 70% and preventing financial inconsistencies.

Integrated microservices architecture with AWS Lambda and SQS, improving system scalability and enabling seamless data flow across distributed services. Sr. Full Stack Developer • ReachLink Boca Raton, Florida, USA • Nov 2024 – Feb 2025

Investigated and resolved high-traffic performance bottlenecks in Node.js/Express/PostgreSQL backend, cutting API response from 3s to 500ms.

Implemented Redis caching, optimized SQL indexing, and refactored aggregation logic, eliminating 90% of timeout incidents while improving admin efficiency.

Collaborated with cross-functional teams, mentoring junior developers on API design and performance best practices to enhance project delivery.

Sr. Full Stack Developer • Shping Melbourne, Australia • Feb 2023 – Oct 2024

Developed microservices backend using .NET Core, C#, SQL Server, and Docker, enabling automated contract processing and reducing approval time by 40%.

Designed secure RESTful APIs and implemented unit testing frameworks (xUnit/NUnit), improving system reliability and compliance with enterprise security standards.

Led architecture reviews and coached peers on cloud deployment patterns in AWS EKS, fostering team technical growth and project consistency.

Full Stack Developer • Kueski Guadalajara, Jalisco, Mexico • Nov 2018 – Jan 2023

Built interactive dashboards using React, TypeScript, Node.js, and MongoDB, improving data visualization speed by 60% for financial reporting.

Integrated AWS Cloud services including Lambda and SQS for asynchronous data processing, ensuring real-time updates and high system reliability.

Full Stack Developer • TektonLabs Tepic, Nayarit, Mexico • July 2015 – Sep 2018

Developed full-stack e-commerce platform with .NET Core, React, PostgreSQL, and Docker, increasing client order processing efficiency by 50%.

Implemented CI/CD pipelines and unit testing, improving deployment speed and reducing post-launch defects, demonstrating resourcefulness in end-to-end delivery. Page 2

Skills

Programming Languages: C#, Java, Python, JavaScript, HTML, CSS, TypeScript, SQL

Frontend: React, Angular, Vue.js, Bootstrap, Tailwind CSS, jQuery

Backend: .NET Core, .NET 6+, Spring, Node.js, Express, ASP.NET MVC, Web API

Database: SQL Server, MongoDB, PostgreSQL, MySQL, Redis, DynamoDB

DevOps / Tools: AWS (Lambda, EKS, SQS, CloudFormation), Docker, Kubernetes, Git, CodeCommit, Jenkins, CircleCI, Terraform, CI/CD pipelines

Testing & QA: Unit Testing, NUnit, xUnit, JUnit, Selenium, TestNG, Mocking frameworks

Architecture & Design: Microservices, Monolithic & Layered Architecture, Object-Oriented Programming, SOLID Principles, Design Patterns (Factory, Singleton, Observer, Repository), UML, C4, ArchiMate, Event-Driven Architecture

Cloud & Platform: Cloud Native Applications, AWS Cloud Architecture, Serverless, API Gateway, CloudWatch, CloudFront

Methodologies: Agile, Scrum, Kanban, TDD (Test-Driven Development), BDD (Behavior-Driven Development)

Education

Bachelor’s Degree in Computer Science Aug 2012 – May 2015 The University of Hongkong Lung Fu Shan, Hong Kong Island

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