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Katherine Zambrano

@katherinezambrano

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I build scalable APIs, microservices, and full-stack products using Python, TypeScript, Go, and React.

Ecuador

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At Simbe Family, I build backend services and frontend interfaces for a distributed multi-tenant platform, resolving production incidents and extending CRM integrations with HubSpot, Zoho, Monday.com, and Salesforce.

I've delivered APIs, microservices, mobile and web features, and data systems across Belozfi, N5 Now, Vigigo, Fapro, and Softradis. My work includes reducing ETL data loss by up to 40% and improving API response times from several minutes to under a minute.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Simbe Family

Mar 2026 - Present (6 months)

Developed backend services and frontend interfaces across a multi-repo TypeScript stack, contributing to a distributed multi-tenant platform. Diagnosed and resolved production incidents through SQL-backed root-cause analysis and implemented configuration-driven workflows.

TypeScript Supabase PostgreSQL React OpenAPI SQL CI CD Unit Testing Agile HubSpot Zoho Monday.Com Salesforce

Senior Software Developer

Belozfi

Jun 2025 - Jan 2026 (7 months)

Worked with the Growth team on core mobile product, contributing to distributed architectures with microservices and third-party integrations. Implemented A/B testing strategies and developed backend services for growth and gamification initiatives.

TypeScript JavaScript Go PostgreSQL AWS ECS A B Testing Microservices Data Warehouse Meta Google TikTok

Python Developer

N5 Now

Aug 2024 - Feb 2025 (6 months)

Developed and optimized APIs using FastAPI, SQLAlchemy, and MongoDB, reducing response times from minutes to under a minute. Participated in project restructuring to improve architecture and maintainability.

Python fastAPI SQLAlchemy MongoDB Performance Optimization Clean Code Agile

Software Developer

Vigigo SpA

Aug 2022 - Jul 2024 (1 year 11 months)

Migrated legacy systems to modern web-based solutions using Django and Oracle. Developed RESTful APIs and optimized ETL processes, reducing data loss by up to 40%.

Django Oracle REST APIs ETL Data Validation Error Handling

Junior Developer

Fapro SpA

Jul 2021 - Jul 2022 (1 year)

Maintained and improved applications using Laravel and Django. Created and maintained SQL Server views and implemented new functionalities for internal systems.

Laravel Django SQL Server Application Maintenance Teamwork

Python Developer

Softradis OÜ

Oct 2020 - Jun 2021 (8 months)

Built new features for internal tools using Django and PostgreSQL. Conducted testing and participated in data migration efforts to ensure data integrity.

Python Django PostgreSQL Testing Data Migration