Technical Lead.NET Developer

Lead .NET Developer &## ; Location : Madrid (on site) or Seville (Hybrid)

&##About the Company

At S&You , we are collaborating with a global technology leader specializing in data and software services that power digital transformation across industries. Operating in over 90 countries and serving hundreds of thousands of customers, this organization drives innovation through AI, automation, and cloud-based solutions that make digital ecosystems smarter, safer, and more connected.

We're now seeking an experienced Lead .NET Developer to join their talented international engineering team.

&##As a Lead .NET Developer , you'll take a hands-on leadership role in designing and building full-stack applications that combine .NET (Framework / Core) , Python , and modern front-end technologies like React or Angular . You'll collaborate closely with cross-functional teams, mentor junior developers, and ensure best practices in code quality, scalability, and DevOps integration.

This position is ideal for an experienced professional who thrives in agile environments and enjoys driving technical excellence within a collaborative, global team.

&##Lead the design, development, and maintenance of enterprise applications built in .NET (Framework / Core) and Python (Flask) .

Develop intuitive and responsive UIs using React or Angular (Material UI, Tailwind).

Collaborate with Product Management and Business Analysts to align technical solutions with business needs.

Implement and manage CI / CD pipelines (TeamCity, Jenkins).

Troubleshoot and optimize applications across Windows and Linux environments.

Work in Agile / Scrum workflows, managing tasks through Jira and ticket-based systems.

Provide technical mentorship and guidance to junior team members.

&##10+ years of experience in software development with .NET Framework / Core (C#) .

~ Proven experience with React or Angular for front-end development (Material UI, Tailwind).

~ Strong Python (Flask) development experience.

~ Hands-on knowledge of AWS (EC2, EBS, S3).

~ Experience building and maintaining CI / CD pipelines (TeamCity, Jenkins).

~ Agile mindset and familiarity with modern development tools and workflows.

~ Experience with CRM 11 or newer versions is a plus.

~ Excellent communication skills and ability to lead technical discussions within multicultural teams.

&##What's in It for You

Join a global technology leader with a strong focus on innovation and digital evolution.

Take on a leadership role with real impact across global platforms.

Work in an Agile, collaborative, and flexible environment.

Hybrid or remote work flexibility.

&##Are you ready to lead the development of next-generation digital platforms?