For one of our clients, a promising start-up that develops AI agents for the travel industry, we are currently looking for a Lead Software Engineer to join their team in Barcelona.

We’re looking for someone who thrives at the intersection of deep technical expertise and customer engagement.

This is a 50/50 role: you’ll spend half your time building solutions in Go, and the other half working directly with customers.

In a nutshell

• Work directly with customers to understand their business needs and technical requirements.
• Design and implement scalable Go services (grPC, MongoDB)
• Work across AI workflows, automation logic and integrations.

Stack

AI-driven products on LLMs, Go, gRPC, MongoDB, Terraform, Auth0, TypeScript/Next.js, Datadog…

Requirements

• Strong backend experience developing Golang services.
• Experience working directly with enterprise customers or technical stakeholders.
• Fluent level of English