Senior Full-Stack Developer (NestJS / Next.js)

We are looking for an experienced Senior Full-Stack Developer.

About the project

Our customer is a construction company building their own internal ERP system (MVP) to digitalize business processes, including quotations, project management, time tracking, materials management, invoicing, and reporting.

Tech Stack:

Frontend: Next.js (App Router), React, Tailwind, shadcn/ui, TanStack Query, Zod

Backend: NestJS modular monolith, PostgreSQL + Prisma, NextAuth, RBAC, BullMQ/Redis, Prisma audit logs

Files: S3-compatible storage (MinIO → Wasabi/Backblaze), PDFKit / react-pdf, Excel/CSV import/export

Responsibilities

• Lead development of the ERP MVP using the defined architecture
• Build modules in NestJS and Next.js (auth, CRM, projects, billing, timesheets, files)
• Implement authentication, RBAC, auditing, queues, and file workflows
• Design and optimize PostgreSQL + Prisma schema
• Ensure code quality, scalability, and best practices

Must-Have

• 5+ years in full-stack development
• Strong NestJS, Next.js/React, TypeScript
• Experience with Prisma, PostgreSQL, RBAC, NextAuth
• Experience with S3 storage, PDF generation, and Excel/CSV processing
• Experience with Redis/BullMQ and modular architectures
• Ability to work independently and make architectural decisions
• English — B2/C1

Nice to Have

• Experience with construction/ERP/CRM systems
• Experience with event-driven architectures
• Knowledge of auditing and logging best practices
• Experience with TanStack Query and Zod at scale
• Experience integrating CI/CD pipelines

What we offer

• Competitive salary based on skills and experience.
• 20 days of paid vacation and 3 sick leave days per year.
• Corporate accountant