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I'm Sander Horen, a senior software engineer from the Netherlands with 10+ years building multi-tenant SaaS platforms, payment systems, cloud-native apps, and AI-powered products. I specialize in delivering robust, scalable software with strong tenant isolation, security and compliance. I enjoy mentoring engineers and guiding products from MVP to production. I thrive on solving complex problems with modern stacks like React, Node.js, TypeScript, PostgreSQL, AWS, and Stripe, and I balance rapid delivery with long-term maintainability and reliability.…I'm Sander Horen, a senior software engineer from the Netherlands with 10+ years building multi-tenant SaaS platforms, payment systems, cloud-native apps, and AI-powered products. I specialize in delivering robust, scalable software with strong tenant isolation, security and compliance. I enjoy mentoring engineers and guiding products from MVP to production. I thrive on solving complex problems with modern stacks like React, Node.js, TypeScript, PostgreSQL, AWS, and Stripe, and I balance rapid delivery with long-term maintainability and reliability.

Sander Horen Dongen

Web Developer, Full Stack Developer, Back-End Developer, +2

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I'm Sander Horen, a senior software engineer from the Netherlands with 10+ years building multi-tenant SaaS platforms, payment systems, cloud-native apps, and AI-powered products. I specialize in delivering robust, scalable software with strong tenant isolation, security and compliance. I enjoy mentoring engineers and guiding products from MVP to production. I thrive on solving complex problems with modern stacks like React, Node.js, TypeScript, PostgreSQL, AWS, and Stripe, and I balance rapid delivery with long-term maintainability and reliability.…I'm Sander Horen, a senior software engineer from the Netherlands with 10+ years building multi-tenant SaaS platforms, payment systems, cloud-native apps, and AI-powered products. I specialize in delivering robust, scalable software with strong tenant isolation, security and compliance. I enjoy mentoring engineers and guiding products from MVP to production. I thrive on solving complex problems with modern stacks like React, Node.js, TypeScript, PostgreSQL, AWS, and Stripe, and I balance rapid delivery with long-term maintainability and reliability.

Available to hire

I’m Sander Horen, a senior software engineer from the Netherlands with 10+ years building multi-tenant SaaS platforms, payment systems, cloud-native apps, and AI-powered products. I specialize in delivering robust, scalable software with strong tenant isolation, security and compliance. I enjoy mentoring engineers and guiding products from MVP to production.

I thrive on solving complex problems with modern stacks like React, Node.js, TypeScript, PostgreSQL, AWS, and Stripe, and I balance rapid delivery with long-term maintainability and reliability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer at Micap AI

January 1, 2020 - December 31, 2024

Led architecture and production hardening of SaaS platforms using React, Node.js, PostgreSQL and cloud-native services. Designed multi-tenant data models and tenant isolation strategies with PostgreSQL security controls. Built payment and subscription workflows with Stripe-based billing models and recurring revenue management. Reviewed and refactored AI-generated code to improve maintainability and scalability. Implemented CI/CD pipelines, monitoring, and automated deployment processes to accelerate release cycles.

Senior Software Engineer at Babarians Arnhem

January 1, 2020 - December 31, 2024

Delivered cloud-native SaaS applications, led event-driven architectures with Kafka, developed secure authentication, authorization, and audit logging. Designed scalable payment and booking workflows supporting transactional revenue models and subscriptions.

Software Engineer at Webstacks

January 1, 2016 - December 31, 2020

Developed full-stack web applications using React, Node.js, and PostgreSQL; created reusable APIs for booking and e-commerce; implemented Docker-based deployment workflows and cloud automation; collaborated with stakeholders to translate requirements into scalable solutions; optimized performance and monitoring.