Regular Fullstack Developer

We are looking for a strong Regular Fullstack Developer (.
Net + Vue) to collaborate with us on a freelance basis for a greenfield project in the retail industry. In this engagement, your main drive will be crafting modern, high-performance user interfaces in Vue.js, while leveraging your .
NET background to build and integrate supporting backend services. You will collaborate within a focused, self-sufficient two-person engineering team (working alongside a Senior Developer) building a multi-tenant dashboard application from scratch. The client has developed a Proof of Concept (POC), which will serve purely as a reference for business logic to help us architect and write the new system from the ground up. If you have a strong .
NET background, feel confident building user interfaces in Vue.js, and enjoy creating systems from the ground up, this project is a great fit What you will do
• Build from Scratch: Help design and develop a greenfield retail dashboard application using .
NET/C# on the backend and Vue.js on the frontend.
• Integrate External Systems: Connect the application with external retail and ERP platforms such as Shopify, Patchworks, and RFID tracking systems.
• Work with Cloud Infrastructure: Implement multi-tenant architecture hosted on Azure with a SQL Server database.
• Translate POC into Production Code: Use an existing prototype as a business logic template to write clean, scalable, and maintainable production software. What we’re looking for
• Commercial

Experience:
3+ years of hands-on experience as a Fullstack Developer working with .
NET/C# and Vue.js.
• Product Thinking: Self-driven approach to feature design and technical implementation, capable of defining functional requirements and basic user flows independently to ensure fast, continuous delivery.
• Database & Cloud: Practical knowledge of SQL Server and core Azure services.
• Integrations: Experience working with REST APIs and third-party integrations (e.g., e-commerce platforms, ERP systems).
• Self-Reliance: Ability to take ownership of delivery within the agreed scope and collaborate effectively in a small, agile team.
• Language

Skills:
Good command of English (B2+) to ensure smooth communication.
• Availability: approx. 40h/week (B2B contract, hourly rate). Nice to Have:
• Experience with multi-tenant application architecture.
• Prior exposure to retail tech, e-commerce, or logistics domains. What do we mean by freelance?
• Read more at Monterail Tech Network Hourly rate:
• B2B contract: 65
- 100 PLN/h net + VAT