Senior Software Developer

About the Position

We're looking for a Senior Software Developer to lead the development of web applications and SaaS platforms at Galileo Studio and its ventures. You'll be a technical reference on architecture, code quality, and continuous delivery on projects that blend product, AI, and B2B business.

Responsibilities

• Design and build applications with Next.js, React, and TypeScript in cloud environments
• Define architecture, patterns, and code standards across multi-product projects
• Integrate backend services, third-party APIs, authentication, and databases in production
• Mentor junior engineers and review PRs with a focus on maintainability and security
• Collaborate with design and product to iterate fast without sacrificing technical quality
• Participate in estimation, deployments, and production incident resolution

Requirements

• 5+ years of experience in full-stack or frontend-heavy web development
• Strong command of React/Next.js, TypeScript, and testing and CI/CD best practices
• Experience with databases (SQL or NoSQL), REST/GraphQL APIs, and cloud deployment (AWS, GCP, or Azure)
• Solid judgment on performance, accessibility, and security in SaaS applications
• Experience integrating AI into products (LLM APIs, webhooks, queues) is a plus
• Autonomy, clear communication, and a drive to deliver value in small teams

Your Stack

We're AI native: you'll work with AI from day one.

• AI:
  • Claude CodeCoding agent
  • CursorAI editor
• Web:
  • Next.js for web products
  • TypeScript for end-to-end types
• Data:
  • PostgreSQL
• Deployment:
  • Vercel

Your First 90 Days

1. Week 1: Learn the architecture of our products and make your first deployment.
2. Month 1: Lead a feature end to end and propose architecture improvements.
3. Month 3: Become the technical lead of a product and mentor junior engineers.

We Offer

• Competitive salary
• Hybrid work location
• Opportunity to work with cutting-edge AI technologies

Apply Now

No cover letters. Show us something you've built: a repo, a thesis, a side project.

1. Send your application
2. First conversation
3. Practical case
4. Offer

Other Positions

• Engineering: Junior AI Engineer in Madrid (Hybrid, Full-time)
• Design: Digital Designer & Marketing in Madrid (Hybrid, Full-time / Freelance)
• Growth: Growth Manager in Madrid (Hybrid, Full-time)

Prefer to send your CV as a PDF? Email [email protected] with the role name.