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Wizeline

Senior .Net Developer

Wizeline
Spain · Full-time · Mid-Senior
We Are

Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there’s no limit to what we can achieve

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.

Key Skills

Ranked by relevance

ai sql c infrastructure as code microservices kubernetes sql server serverless terraform ai tools docker server linux cicd git
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Country Guide

Spain

Strong city options with excellent lifestyle

Posted
Dec 02, 2025
Type
Full-time
Level
Mid-Senior
Location
Barcelona
Company
Wizeline

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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