Senior Backend Engineer, AI Platform (100% remote-friendly within Spain)

Area of Work

We’re laying the groundwork for the future of AI at Docplanner—scalable systems, multi-agent architecture, MCP servers and seamless integration into our products. We’re looking for a Senior Backend Engineer with a strong Software Engineering background and AI Engineering experience to join our team.

The AI Platform team is a part of the Internal Platform area and nowadays consists of 2 Platform Engineers and 2 Software Engineers. As AI needs are growing, we are intensely growing that team to be “The Magnificent Seven”.

The team is accountable for 2 main objectives:

• Designing, building and maintaining the company's AI infrastructure. Ensuring high availability, scalability, security and cost efficiency. 

• Adopt new technologies like MCP and A2A

What are the challenges in the team?

• Dynamic environment with rapid changes. Both AI technology and business around it are changing super fast, and we need to keep up with our goals. For example, OpenAI announcing Apps SDK changed our quarter goals

• Working with different technologies. Main backend technologies are C# and .NET , but for many AI projects we are using Python. And all of that connected with big distributed system with multiple services

What you’ll do

• Design and implement scalable systems for AI Agents, MCP, and emerging architectures

• Adopt new technologies coming up with AI

• Build internal tools that empower product teams across Docplanner

• Ensure reliability, security, and cost efficiency of AI infrastructure

• Work cross-functionally to accelerate AI adoption in our products