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Martin Keller
Senior Full-Stack Engineer specializing in Python web applications
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About
Full-stack/backend-focused engineer from small startup-style teams, strongest in Python and React, with practical exposure to Go microservices. They’ve driven concrete improvements in API performance, PostgreSQL efficiency, and platform stability under load, and have built configurable B2B data platforms with role-based access control for enterprise users.
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Key Strengths
- Backend API and PostgreSQL performance optimization
- Hands-on Python backend development with Django and Flask
- Full-stack delivery with React dashboards and Redux
- Building scalable systems for high-traffic production environments
- Cross-functional collaboration with product, frontend, DevOps, and external stakeholders
- Designing configurable B2B SaaS platforms for enterprise clients
- Modular API architecture for client-specific business logic
- Role-based access control and data segregation for enterprise use cases
- Improving system stability and response times under load
- Experience navigating ambiguity in early- to mid-growth startup teams
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