Senior .NET/Angular Developer – Multi-tenant SaaS (Remote)

atwork.ai; España; Presencial; EUR 70.000 - 100.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Remote within Spain

Flexible hours

Learning budget

Team events

Descripción de la vacante

atwork.ai is hiring a Senior Developer to join a multi-tenant B2B SaaS platform. The role blends hands-on development with architectural ownership and code reviews, delivering end-to-end production systems for HR teams and employees across client organisations.

You will work across the stack (.NET 10, Angular, Azure SQL), participate in architectural decisions, and help design for tenant isolation and performance.

Formación

• Bachelor’s or master’s degree in Computer Science or a comparable qualification.
• Substantial professional experience building and operating production web applications end to end (typically 5+ years).
• Strong .NET and Entity Framework skills, with solid SQL Server experience.
• Extensive Angular experience.
• Proficiency with Git and a pull‑request‑based workflow.
• Demonstrated command of clean code, SOLID principles and testing methodology, with the ability to explain why, not only apply the rule.
• Experience working with AI coding agents and reviewing their output.
• Fluent English and Spanish.

Responsabilidades

• Develop across the stack: .NET 10 and Entity Framework on the back end, Angular 21 on the front end, Azure SQL for persistence.
• Participate in architectural decisions: service boundaries, data modelling, tenant isolation and API design.
• Work on multi-tenancy, platform performance, design system and third‑party integrations.
• Review code before it is merged.
• Write automated tests: unit and integration tests on the back end, Playwright UI tests on the front end.
• Contribute to the management of our Azure environment and to infrastructure defined as code with Terraform.
• Maintain technical documentation: architecture decisions, runbooks and onboarding material.
• Work in an agile environment, collaborating with product, data science and design.

Conocimientos

DOTNET & EF

Angular

SQL Server

Git

SOLID principles

Testing methodologies

AI coding agents

English

Spanish

Architectural decisions

Educación

Bachelor’s or Master’s in Computer Science

Herramientas

Azure

Azure SQL

Terraform

Azure App Service

Redis

Descripción del empleo

atwork.ai is hiring a Senior Developer to join a multi-tenant B2B SaaS platform. The role blends hands-on development with architectural ownership and code reviews, delivering end-to-end production systems for HR teams and employees across client organisations.

You will work across the stack (.NET 10, Angular, Azure SQL), participate in architectural decisions, and help design for tenant isolation and performance.