C

Cristhofer Cousiño

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Santiago, Santiago Metropolitan Region, Chile
Contact Cristhofer regarding: 
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Full-time jobs
Starting at USD2k/month

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Résumé

Jobs verified_user 0% verified
  • R
    Lead Software Engineer
    Replicator Platform
    Jan 2024 - Jan 2025 (1 year 1 month)
    Led the design and development of an enterprise-grade BI and data replication platform for the construction sector. • Architected a sophisticated hybrid data model in PostgreSQL 15+ using schema-per-tenant for massive ERP data sets and Row Level Security (RLS) for shared application metadata. • Developed a proprietary replication engine in Java 21 (Spring Boot) that automatically discovers schemas from legacy ERPs, applies 'Full' or 'Incremental' strategies, and utilizes Postgres binary streaming for rapid data ingestion. • Built a Single Page Application (SPA) using Next.js 16.1 and Tailwind CSS v4, implementing complex features like a Visual Query Builder, drag-and-drop dashboards, and S-Curve financial forecasting algorithms.
  • freelance
    Software Engineer
    freelance
    Jan 2023 - Current (3 years 7 months)
    Built custom software for clients, covering backend services, product workflows, internal tools, and user-facing applications. • Shipped product features across React and Next.js clients and the APIs behind them. • Designed and implemented REST APIs with an emphasis on clear contracts and maintainability.
Education verified_user 0% verified
  • S
    Software Development
    Self-Taught
    Jan 2023 - Current (3 years 7 months)
    • Learned independently through documentation, videos, exercises, and personal projects.
Projects (professional or personal) verified_user 0% verified
  • S
    Completionist
    Self-led
    Jan 2026
    • Go-powered social tracking backend with real-time messaging, challenge systems, and multi-provider media integrations. (Go 1.25, Next.js 16, PostgreSQL, WebSockets, AWS S3)
  • 6
    688labs
    688labs
    Jan 2026
    • Software studio I co-founded with a friend. We build websites, web apps, and automation for clients. (Next.js 16, React 19, TypeScript, Tailwind CSS 4)
  • S
    Total Trades Integrated
    Self-led
    Jan 2026
    • Brand website for a commercial and industrial contracting firm specializing in MEP, welding, and construction. (Next.js 15, React 19, TypeScript, Tailwind CSS 4)
  • S
    Accounting Automation Portal
    Self-led
    Jan 2026
    • Internal automation portal for a construction company's accounting team, covering lien waiver generation, vendor compliance tracking, and outgoing email review. (Python, FastAPI, Next.js 15, React 19, PostgreSQL, AWS)
  • S
    Replicator
    Self-led
    Jan 2025
    • High-performance SaaS platform designed for the construction industry to unify data from fragmented ERP systems (Viewpoint Vista, Spectrum) into a centralized analytics warehouse. (Java 21, Spring Boot, Next.js 16, PostgreSQL, AWS)