Senior .Net Developer

BarcelonaFull-TimeSeniorOther

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Are you a fit?

  • Sounds awesome, right? Now, let’s make sure you’re a good fit for the role:

Key Responsibilities

  • Develop, test, and maintain backend microservices and APIs using C# and .NET.
  • Implement data access layers and write optimized T-SQL queries and stored procedures.
  • Write comprehensive unit, functional, and integration tests to ensure code quality and system reliability.
  • Participate in code reviews and contribute to a collaborative engineering culture.
  • Contribute to CI/CD pipelines for automated builds and deployments.
  • Troubleshoot and resolve production issues.

Must-have Skills (Remember to include years of experience)

  • 5+ years of professional backend development experience.
  • Excellent working knowledge of .NET Framework with C#, including asynchronous programming, queuing, caching, logging, XML/JSON serialization, and security.
  • Strong SQL Server experience with T-SQL, stored procedures, transactions, ACID compliance, data normalization, and query optimization.
  • Proficiency with data access from .NET using ORMs (Entity Framework, Dapper) and direct queries.
  • Expertise writing unit, functional, performance, soak, and stress tests; BDD is a plus.
  • Strong skills in developing RESTful JSON APIs, including experience with API Gateways and authentication.
  • Experience with Continuous Integration/Deployment processes (Git, Jenkins).
  • Experience working in both Linux and Windows environments.
  • Exposure to Docker, Kubernetes, and serverless patterns in AWS.
  • Experience building and deploying microservices.
  • Familiarity with infrastructure as code (Terraform, Chef) is a plus.

Nice-to-have

  • AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.

What we offer

  • A High-Impact Environment
  • Commitment to Professional Development
  • Flexible and Collaborative Culture
  • Global Opportunities
  • Vibrant Community
  • Total Rewards
  • *Specific benefits are determined by the employment type and location.
  • Find out more about our culture here.

Job Summary

CompanyWIZELINE
LocationBarcelona
TypeFull-Time
LevelSenior
DomainOther