Hey, I'm
Alam Sierra
Software Engineer

Based in the sunny Dominican Republic. I specialize in building robust, scalable web applications with React, TypeScript, Nodejs and Generative AI. Operating from the heart of the Caribbean, I bridge the gap between seamless user interfaces and complex backend logic to deliver complete, end-to-end digital solutions.

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Services

What I do best

Full-Stack Web development
Turning complex business logic into digital products. I build scalable web applications from the database schema to the final UI.
Frontend Modernization
Revitalizing legacy interfaces with modern frameworks. I specialize in improving Core Web Vitals, accessibility and responsiveness.
Mobile Development
Building cross-platform apps with a single codebase. I specialize in delivering seamless, native-feel experiences for both iOS and Android.
AI-Driven Automation
Future-proof your business with Generative AI and Agentic Workflows. I build intelligent automation tools that cut operational costs and enhance user self-service.
SaaS Integration
Streamlining business operations by connecting your digital ecosystem. I build custom middleware and webhooks to synchronize data.
Security Hardening
Protecting your digital assets from modern threats. I conduct security reviews to identify vulnerabilities and implement robust authentication flows.

Projects

Standout creations

PilarteCargo

November 2025

Leading cargo company in the DR. Beyond a modern UI, I built a robust dynamic quoting feature that allows potential clients to submit service requests directly.

Medolife

June 2024

Technical adjustments and SEO optimization for Medolife, a high-stakes oncology brand. I focused on updating Shopify template components for their developers and enhancing search rankings.

RepuestosRD

May 2023

Engineered the frontend development, responsiveness and complex search filtering logic (Year/Make/Model) to ensure users can navigate the extensive product catalog with precision.

Abode

September 2022

I partnered with an agency to deliver a premium digital presence for Adobe, a construction firm. I built some landing pages and integrated their popular podcast 'El Cafecito Constructivo' into the website.