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Fiverr Pro
English
$
USD
Esther B
@esther_backend
Backend Developer, API Integration, Node js, Supabase, Firebase, AWS, PostgreSQL
Germany
German, English, Spanish, French, Italian
About me
Backend developer specializing in scalable APIs, database architecture, and secure web applications. I build REST APIs, backend systems, authentication, payment gateways, AI integrations, and automation workflows using Node.js, Express.js, Supabase, Firebase, PostgreSQL, MongoDB, AWS, and SQL. I integrate Stripe, webhooks, third-party APIs, CRMs, and cloud services while optimizing performance, security, and scalability for SaaS, AI, eCommerce, and custom web applications. I also develop serverless functions, API debugging, cloud deployment, database optimization, and custom backend solutions.
Skills
Esther B
Offline •
Average response time: 8 hours
See my services
Bug Fixes
I will develop, fix bugs supabase firebase node js backend API authentication database
API & Integrations
I will integrate rest API, fix node js backend bugs stripe webhooks graphql openai API
