Senior Full Stack Engineer

Date PostedMay 28, 2026LocationHybrid LisbonCompanyWeTransactSalary €18 000 - €60 000 por ano TypeFull-time, Hybrid

Job Summary

WeTransact is seeking a Senior Fullstack Engineer to own a core domain end-to-end within our platform. You will build using the Microsoft stack, design Azure architectures, and manage CI/CD pipelines. The role requires deep integration of AI-native workflows to ship high-quality, production-grade B2B SaaS software.

Responsibilities

  • Own a platform domain end-to-end
  • Develop with .NET, C#, and ASP.NET Core
  • Design and manage Azure architecture
  • Implement CI/CD and DevOps strategies
  • Integrate AI tools into engineering workflows

Required Skills

  • 5+ years B2B SaaS experience
  • Expert .NET / C# / MS SQL
  • Proficiency in Azure Services
  • Advanced AI coding tool usage
  • Strong English proficiency

Job Details

Your Mission: - Owning a Domain End to End: You go deep on one part of the platform — Partner Center, co-sell, private offers, or another core surface. Discovery, architecture, build, ship, and the calls when something needs to change. - Building on the Microsoft Stack: Expert-level work in .NET / C#, ASP.NET Core MVC, MS SQL, and Entity Framework. - Setting up Azure Architectures: Designing and standing up the Azure services your domain depends on. - Owning the DevOps Discipline: MS Graph, YAML pipelines, and CI/CD strategies. - Compounding with AI: Deep integration of tools like Claude Code, Cursor, Copilot, and Warp into your daily workflow. What We're Looking For: - +5 years building production software in technical B2B SaaS. - Expert-level mastery of .NET / C#, MS SQL, and modern ORM frameworks like Entity Framework. - Strong knowledge of ASP.NET Core MVC. - Setup and maintenance of Azure Services. - Knowledge of MS Graph, YAML pipelines, and CI/CD strategies. - Daily, instinctive use of AI coding tools. - Comfortable across Claude Code, Cursor, Copilot, and the next one that ships. - A builder who'd rather go deep than wide. - English at top intermediate to advanced level. What You Get: - Unlimited PTO. - AI-first engineering culture. - One platform domain to own end to end. - Global team in more than 12 countries with a strong culture.