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retrokidworks
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Automated Design Generation B2B SaaS

A SaaS that turns input data into design output based on templates, built solo from design through operation (Wishket contract, 137 days)

A B2B SaaS platform that automatically produces design output from templates when you enter data. I developed it solo over 137 days, from design through deployment and operation, and after delivery took on 385 hours of operations over 6 months under a monthly maintenance contract. Under a confidentiality agreement with the client, I do not disclose the end customer or industry.

What I did

  • Solo development of an automated design generation B2B SaaS platform (from design through deployment and operation)
  • Organized the user web, admin web and API as a monorepo
  • Automated the flow from data entry to template-based output generation
  • Built the order and payment flow
  • S3 uploads with automatic thumbnail generation, GitHub Actions CI, and blue/green zero-downtime deployment with rollback

Result

  • 31 data models, 236 APIs (147 GraphQL, 89 REST), 105 screens, 73 test files
  • 5.00 rating; after delivery, 385 hours of operational support over 6 months under monthly maintenance

Client feedback

Implemented every feature we had doubted was even feasible, exactly as intended in the plan

Tech stack

  • Frontend: React, Vite, TanStack
  • Backend: NestJS, Prisma, GraphQL
  • Infra: Turborepo, Bun, AWS S3, GitHub Actions, PM2