Hemn B.

Senior Full-Stack Developer | SaaS, Stripe Billing & AI Integrations

𝟓+ 𝐲𝐞𝐚𝐫𝐬 | 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 | 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯 (𝐒𝐚𝐚𝐒, 𝐀𝐈, 𝐁𝐢𝐥𝐥𝐢𝐧𝐠) I build scalable SaaS apps and complex backend systems, with a strong focus on Stripe billing (subscriptions, metered usage, webhooks) and real-world integrations that need to be reliable. 𝐖𝐡𝐚𝐭 𝐈 𝐰𝐨𝐫𝐤 𝐨𝐧 • Full-stack apps using Next.js and Node.js • SaaS platforms and internal tools • AI integrations like chatbots and workflows • Payment systems including subscriptions and usage-based billing • E-signature flows and document systems 𝐑𝐞𝐜𝐞𝐧𝐭 𝐟𝐨𝐜𝐮𝐬 • Built and handled complex billing logic using Stripe (subscriptions, schedules, invoices, metered usage, webhooks, edge cases) • Worked on e-signature systems using ApiSign • Structured backend modules for better scalability and separation • Handled real-world edge cases and production issues 𝐓𝐞𝐜𝐡 𝐬𝐭𝐚𝐜𝐤 • Frontend: Next.js, React, TypeScript, Tailwind • Backend: Node.js, Express • Database: PostgreSQL, MongoDB • ORM: Drizzle ORM • Security: RLS (Row-Level Security) • Integrations: OpenAI, Stripe, REST APIs 𝐇𝐨𝐰 𝐈 𝐰𝐨𝐫𝐤 • I keep things simple and clear • I don’t over-engineer, but I don’t cut corners either • Comfortable working solo or with a team 𝐖𝐡𝐚𝐭 𝐦𝐚𝐭𝐭𝐞𝐫𝐬 𝐭𝐨 𝐦𝐞 • Performance (fast apps) • Stability (things don’t randomly break) • Clean UX without unnecessary complexity 𝐋𝐞𝐭’𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭 If you’re building something or improving an existing system, feel free to reach out. Portfolio: hemn.vercel.app