melendez.dev

Automation of Complex Processes

Hi, I'm Daniel. Fullstack Software Engineer based in Chile.
Specialist in building intranets, B2B platforms, and business automation using the JavaScript/TypeScript ecosystem.

Technical Ecosystem

TypeScript React.js Astro Node.js Next.js
Connect on LinkedIn View GitHub

My Success Stories

Projects

Corporate Web / 2025

Corporate Website: AGPIA Industrial Park

Custom web platform development to establish the AGPIA Industrial Park's online presence and authority.

Impact & Results

  • #1 in Local Search: Absolute dominance on Google for industrial sector searches in the region.

  • 24/7 Lead Generation: Continuous and automated reception of qualified prospects inquiring about warehouse availability.

  • 100% Custom: Clean and modern codebase, designed to load in milliseconds and optimized for conversion.

Tech Stack

Astro React Tailwind Resend
Visit Live Project
Ecommerce / 2025

E-commerce: DP-FIRE

Custom B2B e-commerce and corporate catalog for DP-FIRE, the official representatives of Kidde Fire Systems in Chile.

Impact & Results

  • Automated Quotes: A frictionless system engineered to manage industrial requirements agilely.

  • Performance: Modern, fast-loading architecture built to retain high-value corporate clients.

  • SEO Positioning: Technical optimization to dominate Google search results in the fire protection niche.

Tech Stack

Next.js Cloudinary Strapi Sentry
Visit Live Project
Custom System / 2025

Intranet & Automation: Isenor and Hidrocil

Custom intranet development for Isenor and Hidrocil, designed to eliminate operational bottlenecks and critical staff dependencies.

Impact & Results

  • Automation: Complex quotes and PDF/Excel reports generated in under 1 minute across 2 distinct company formats.

  • Zero Errors: Custom internal calculation engine for costs and pricing, entirely eliminating manual data friction.

  • Self-management: Total control over user permissions, roles, and strict documentary traceability.

Tech Stack

React Node.js Supabase Drizzle Tanstack
Custom System / 2025

Management System & Intranet: DP-FIRE

Multi-company corporate intranet development for DP-FIRE, eradicating the severe bottleneck caused by manual Excel logistics reports.

Impact & Results

  • Efficiency: Request processing time drastically reduced from 10 to 2 minutes on average through an automated catalog.

  • Zero Errors: Absolute traceability with comprehensive change history and notifications, eliminating manual errors.

  • Self-management: Granular role control handling bank-validated certificates and complex vehicle inspections.

Tech Stack

React.js Node.js Drizzle Tanstack SQLite

My experience

Experience

Download Resume

Fullstack Software Engineer

Logo de Oxen DigitalOxen DigitalAntofagasta, Chile • Remote
1 year and 1 month
  • Direct the full custom software development cycle for corporate B2B clients, spanning from architectural design to production deployment, with a strict focus on ROI and scalability.
  • Automated commercial workflows for Isenor and Hidrocil by developing a corporate intranet. Implemented an internal calculation engine that eradicated manual errors and reduced complex quote generation time to under 1 minute (React, Node.js, Supabase).
  • Designed and built the AGPIA Industrial Park website, focused 100% on conversion. Positioned the site as a leader in local search (SEO) and integrated a 24/7 automated lead reception flow (Astro, Tailwind).
ReactAstroNext.jsNode.jsSQLNoSQLTanstack

Full Stack Developer

Logo de DP-FIRE CHILE SPADP-FIRE CHILE SPAAntofagasta, Chile • On-site
2 years
  • Eradicated manual management based on Excel spreadsheets by developing a centralized system. This reduced logistics processing time from 10 to 2 minutes on average, gaining internal approval for becoming a key business tool.
  • Implemented an automated catalog with a real-time tracking dashboard and email notifications. Scaled this logistics module by iterating continuously based on team feedback.
  • Strengthened corporate data protection by implementing a security system with Two-Factor Authentication (2FA).
  • Redesigned the project architecture from a layered model to a Domain-Driven monorepo, reducing coupling and ensuring long-term scalability.
  • Modernized the corporate platform by migrating from WordPress to a custom Headless architecture (Next.js, Tailwind, Cloudinary, Strapi, Shadcn).
  • Integrated predictive search engines with Algolia and a unified system to request quotes for multiple industrial products without client friction.
  • Created comprehensive internal documentation for all built tools to optimize system maintainability.
Next.jsReactNode.jsShadCN UITanstackStrapiSQL

IT Applications Developer

Logo de Puerto AngamosPuerto AngamosMejillones, Chile • On-site
2 months
  • Quickly integrated into the complex operations of the port business, assimilating workflows, divisions, and tools to develop technical solutions aligned with terminal reality.
  • Replaced manual data analysis in spreadsheets by developing Python scripts (Pandas, NumPy), drastically speeding up the generation of operational reports.
  • Autonomously researched and implemented EDI messaging structuring (TPFREP, COPRAR) used by the team for seamless data synchronization between the port and shipping companies.
  • Developed complex queries in SQL Server to efficiently extract critical operational data.
  • Built interactive dashboards using React, jQuery, and SQL to facilitate data visualization.
  • Participated in CI/CD pipelines via Azure DevOps and Git, interacting technically with the Navis N4 terminal operating system (Java).
  • Collaborated in the modernization of internal systems, elevating standards of traceability, control, and agility in port logistics processes.
  • Documented and delivered reusable code and scripts, optimizing development and analysis times for the rest of the technical team.
PythonPandasReactSQL ServerAzure DevOpsGit

Systems Analyst

Logo de DP-FIRE CHILE SPADP-FIRE CHILE SPAAntofagasta, Chile • On-site
5 months
  • Managed and optimized the performance of the corporate website and e-commerce (WordPress/WooCommerce), ensuring operational stability and improving user experience.
  • Automated sales management workflows by developing tools in Excel (VBA), eliminating hours of repetitive manual work and eradicating human error margins.
  • Conducted technical gathering of operational requirements, identifying bottlenecks to design and drive strategic improvements in logistics and sales areas.
WordPressWooCommercePythonVBA (Excel)