Full-Stack Developer (Client Projects)
June 2026 – Present
Trading & Stock Management ERP
Next.js, Express.js, TypeScript, Prisma, PostgreSQL, Zod, Socket.IO
- Developed an import-to-sale trading and stock management system covering procurement, customs, inventory, sales, receivables, and financial reporting.
- Engineered landed-cost calculation (customs, freight, logistics) into per-batch inventory costs for accurate COGS and profitability.
- Implemented FIFO batch inventory, stock aging, and automated fulfillment on approved sales.
- Built a multi-stage sales workflow (quotation, payment verification, approval, fulfillment, reversal) across Sales, Finance, and Admin roles.
- Implemented Ethiopian tax workflows (15% VAT, 3% withholding) and role-based P&L, COGS, and VAT reporting.
- Maintained and extended both systems in production: shipped features, resolved issues, and adapted workflows to client feedback.