Fullstack Heavy-Backend Developer (NestJS + PostgreSQL)

Were growing and we need you.
Street Smash Burgers is looking for an Accountant for our Italian company in Milan.
This isnt your usual accounting job. Here youll build the foundations of Streets numbers in Italy: day-to-day bookkeeping (prima nota) VAT revenue from stores opening one after another. Youll work closely with Headquarters and with AI and automation tools in your daily work (yes in accounting too). A bit of everything. And thats how we like it.
Key Responsibilities:

• Design and build scalable backend architectures: clean systems design patterns (Repository Factory CQRS Dependency Injection) maintainable code.
• Own the data layer: design efficient relational schemas optimize complex queries get the most out of PostgreSQL and PostgREST.
• Build robust modular strongly-typed APIs and services with NestJS.
• Targeted frontend support: build and connect clean functional interfaces in React (Vite or ).
• Take full end-to-end ownership of features using AI tooling (Claude Code) to accelerate delivery: directing it on design patterns and structuring context.

Key Requirements:

• Strong backend experience: NestJS / TypeScript PostgreSQL advanced SQL (PostgREST).
• Solid frontend base in React ( / Vite) as secondary skill.
• Best practices: SOLID design patterns Clean Architecture testing.
• Autonomy and resilience: breaks down ambiguous or complex problems and solves them without getting blocked.
• Pragmatism: knows when to use an elegant pattern and when a simple solution is better.
• Open communication: asks questions raises issues challenges ideas constructively.
• English B2 minimum (spoken and written incl. technical docs).
• Application: CV GitHub profile or an architecture/project they are proud of.