Senior Fullstack Developer

TL;DR

Senior Fullstack Developer (AI/SaaS): Build core frontend and backend features for an enterprise AI platform with an accent on scalable microservices, responsive React applications, and robust API design. Focus on architecting systems, deploying containerized applications, and ensuring production reliability in a hybrid setup based in Madrid or Lisbon.

Location: Hybrid in Madrid or Lisbon

Salary: €70,000–€90,000 per year

Company

hirify.global is a fast-growing startup building next-generation enterprise AI solutions with a focus on fully managed AI agent lifecycles and an extensible ecosystem of agentic resources.

What you will do

• Design, architect, and implement backend services, microservices, and internal tooling
• Build modern, responsive frontend applications using React, TypeScript, and Tailwind
• Develop and maintain RESTful and GraphQL APIs powering platform functionalities
• Deploy and manage containerized applications with Docker and Kubernetes
• Work with databases like Postgres, Redis, and ClickHouse including schema design and query optimization
• Implement and maintain CI/CD pipelines, testing frameworks, and release workflows

Requirements

• Location: Hybrid work based in Madrid or Lisbon
• English: B2 or higher proficiency
• 5+ years experience in full-stack development with TypeScript, React, Node.js or Python
• Experience with Docker, Kubernetes, cloud providers (AWS, GCP, Azure), and Infrastructure as Code (Terraform)
• Strong knowledge of RESTful and GraphQL APIs and relational/analytical databases

Nice to have

• Experience with multi-tenant SaaS architectures and high-throughput systems
• Familiarity with state management libraries and event-driven architectures
• Exposure to enterprise security best practices and open-source contributions

Culture & Benefits

• Competitive salary with performance bonuses and equity plans
• Health & wellness allowances and private health insurance
• Flexible work setup with travel opportunities
• 25 days paid holidays excluding local public holidays

Hiring process

• Intro call to align on fit and expectations
• Take-home challenge based on real-world engineering problems
• Technical interview focusing on architecture and system design
• Cultural and values interview
• Final offer conversation