I'm Melese Berehannu, a Junior Full-Stack Developer with hands-on experience building, maintaining, and debugging a production SaaS booking platform used by real customers. I'm strong in React, Next.js, TypeScript, Node.js, and backend integrations including Stripe payments and Twilio messaging. I've tackled real-world challenges such as scheduling logic, reminders, database integrity, race conditions, and background jobs. I’m seeking a remote junior role or contract where I can grow while delivering measurable business value.

Melese Berehannu

I'm Melese Berehannu, a Junior Full-Stack Developer with hands-on experience building, maintaining, and debugging a production SaaS booking platform used by real customers. I'm strong in React, Next.js, TypeScript, Node.js, and backend integrations including Stripe payments and Twilio messaging. I've tackled real-world challenges such as scheduling logic, reminders, database integrity, race conditions, and background jobs. I’m seeking a remote junior role or contract where I can grow while delivering measurable business value.

Available to hire

I’m Melese Berehannu, a Junior Full-Stack Developer with hands-on experience building, maintaining, and debugging a production SaaS booking platform used by real customers. I’m strong in React, Next.js, TypeScript, Node.js, and backend integrations including Stripe payments and Twilio messaging.

I’ve tackled real-world challenges such as scheduling logic, reminders, database integrity, race conditions, and background jobs. I’m seeking a remote junior role or contract where I can grow while delivering measurable business value.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Full-Stack Developer at BookZen (SaaS Platform)
January 1, 2024 - Present
Built and maintained a full booking system with employee scheduling and availability checks. Implemented email and SMS reminders (1h / 24h) using background jobs and cron. Integrated Stripe payments, wallet deductions, and transaction tracking. Designed PostgreSQL schemas, resolved duplicate data issues, and fixed race conditions affecting bookings and reminders. Implemented cancellation and rescheduling flows with strong data consistency. Debugged production issues involving time windows, overlaps, and reminder timing. Worked with Supabase service role, RLS policies, joins, and performance queries. This is a real production application with live users.
Full-Stack Developer at BookZen
January 1, 2024 - Present
Built and maintained a full booking system with employee scheduling and availability checks. Implemented email and SMS reminders (1h / 24h) using background jobs and cron. Integrated Stripe payments, wallet deductions, and transaction tracking. Designed and maintained PostgreSQL schemas and resolved duplicate data issues. Identified and fixed race conditions affecting bookings and reminders. Implemented cancellation and rescheduling flows with strong data consistency. Debugged production issues involving time windows, overlaps, and reminder timing. Worked extensively with Supabase service role, RLS policies, joins, and performance queries. This is a real production application with live users — not a tutorial project.

Education

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Qualifications

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Industry Experience

Software & Internet, Professional Services