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Mustafa Culban

@mustafaculban

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Senior Software Engineer at Jotform and DevJoys, delivering enterprise SaaS and AI-powered products.

Germany

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At Jotform, I led architecture and delivery for enterprise SaaS platforms and internal business applications serving over 400,000 daily active users. I progressed from Software Engineer to Team Lead, supporting an engineering team of 8–10.

I designed enterprise authentication and security infrastructure, including two-factor authentication and recovery workflows. I also led the migration of company-wide SMTP authentication to OAuth2 for Google and Microsoft.

At DevJoys, I build and launch AI-powered SaaS and mobile products, taking them from concept to production. My work includes applications and workflows using React, React Native, TypeScript, LLMs, RAG, and AI agents.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Engineer & AI Product Builder

Current

DevJoys

Jan 2024 - Present (2 years 9 months)

Built and launched multiple AI-powered SaaS and mobile products across legal technology, business productivity, education, and fleet management, taking products from initial concept to production deployment. Designed scalable backend architectures using PostgreSQL, Supabase, serverless technologies, REST APIs, and cloud-native development practices.

React React Native TypeScript NodeJS Supabase PostgreSQL Tanstack Query Tailwind OpenRouter Claude Code Cursor Docker

Senior Software Engineer (Team Lead)

Jotform

Oct 2019 - May 2026 (6 years 7 months)

Led architecture and delivery of enterprise SaaS platforms and internal business applications serving over 400,000 daily active users. Provided technical leadership for a cross-functional engineering team of 8–10 engineers, driving architecture decisions, delivery planning, and engineering best practices.

PHP TypeScript JavaScript React MySQL PostgreSQL Redis Elasticsearch REST APIs OAuth Docker Git CI CD

Full Stack Developer

Alyo Technology

Aug 2018 - Oct 2019 (1 year 2 months)

Collaborated with cross-functional engineering teams to deliver production-ready features for media products. Developed backend services and frontend features for high-performance livestreaming and video delivery platforms.

PHP JavaScript MySQL Google Cloud Platform REST APIs