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Johann Alberto Duran Larios

@johannalbertoduranla

Message

Backend developer focused on scalable APIs, integrations, and performance-driven systems.

Mexico

Message

What I'm looking for

I seek backend or integration roles where I can build scalable APIs, optimize performance, and work on integrations with third-party services in collaborative teams.

I am a backend developer with hands-on experience building scalable APIs, integrations, and automation for fintech and SaaS platforms. I prioritize performance, reliability, and maintainability when designing system components.

At Macropay I implemented Redis caching with Amazon ElastiCache, designed data-validation workflows to reduce latency, and built provider-specific NestJS jobs to automate device operations across multiple vendors.

I have integrated third-party services such as Belvo for data aggregation and SAP OData services to align portal processes with ERP systems, while refactoring critical cronjobs and adopting Prisma to improve type safety and data access.

Earlier roles involved full-stack CRM improvements, MySQL stored procedures and views, payment gateway integrations, and hybrid web/desktop synchronization—demonstrating a practical blend of backend engineering, database design, and integration work.

Experience

Work history, roles, and key accomplishments

Current

Backend Developer

Current

Macropay

Oct 2023 - Present (2 years 5 months)

Optimized platform performance by implementing Redis caching and data-validation workflows that reduced latency and external API overhead; developed NestJS provider jobs and Dockerized middlewares to automate device operations across 3 vendors and ensure real-time synchronization.

NestJS Redis Docker Prisma AWS SQL Server API Integration Microservices

FullStack Developer

Grupo Colorines

Jul 2022 - Oct 2023 (1 year 3 months)

Evolved and refactored a CakePHP CRM to improve UX and remove legacy code, implemented MySQL stored procedures and views to centralize complex logic, and optimized Angular landing pages to increase performance and lead conversion.

CakePHP PHP MySQL Angular UX Optimization Stored Procedures Views

Software Developer

OneSmart Solutions

Aug 2021 - Jul 2022 (11 months)

Implemented payment gateway integrations (Rapipago, Getnet) and built a real-time bidirectional synchronization solution (Ovalo24) to ensure seamless data flow between local systems and the web portal; developed hybrid web/desktop connectivity.

JavaScript PHP API Integration Payments Velneo Web Desktop Connectivity Getnet

Backend Developer

Compufax

Jan 2021 - Aug 2021 (7 months)

Designed and implemented scalable APIs using Node.js and Laravel to manage core company integrations; developed and maintained web applications with Laravel and PrestaShop, ensuring robust business logic and maintainable code.

Node Laravel PHP MySQL PrestaShop API Development System Integration Backend