Senior .NET/Angular SaaS Engineer — Remote Spain

atwork.ai; Barcelona; Híbrido; EUR 70.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible hours

25 holidays + 2 personal days

Learning budget

Team events

Descripción de la vacante

atwork.ai is seeking a Senior Developer to own end‑to‑end web applications on a multi‑tenant B2B SaaS platform. You will code across the stack, review peers, and shape architectural decisions while ensuring quality through automated tests and solid documentation.

You will contribute to Azure-based infrastructure, work in an agile team with product, data science and design, and have flexible remote options within Spain or hybrid in Santander or Barcelona.

Formación

• Bachelor’s or master’s degree in Computer Science or comparable qualification.
• 5+ years of experience building and operating production web applications end to end.
• Strong .NET and Entity Framework skills, with solid SQL Server experience.
• Extensive Angular experience.
• Proficiency with Git and a pull-request-based workflow.
• Experience working with AI coding agents and reviewing their output.
• Fluent English and Spanish.

Responsabilidades

• Develop across the stack: .NET 10 and Angular 21, with Azure SQL Database for persistence.
• Participate in architectural decisions: service boundaries, data modelling, tenant isolation and API design.
• Work on multi-tenant SaaS platform performance, design system, and third‑party integrations.
• Review code before it is merged and write automated tests (unit/integration for backend; Playwright UI tests).
• Contribute to Terraform-based infrastructure and to Azure environment management.
• Maintain architecture runbooks, onboarding material and technical documentation.
• Collaborate in an agile environment with product, data science and design teams.

Conocimientos

5+ years experience

.NET

Angular

Entity Framework

Git

Testing

AI coding agents

English & Spanish

Educación

Bachelor’s or Master’s degree in Computer Science

Herramientas

Terraform

Azure DevOps

Claude Code

Descripción del empleo

atwork.ai is seeking a Senior Developer to own end‑to‑end web applications on a multi‑tenant B2B SaaS platform. You will code across the stack, review peers, and shape architectural decisions while ensuring quality through automated tests and solid documentation.

You will contribute to Azure-based infrastructure, work in an agile team with product, data science and design, and have flexible remote options within Spain or hybrid in Santander or Barcelona.