Backend Developer (Node.js/Python)

TL;DR

Backend Developer (Node.js/Python): Building and maintaining scalable backend services and microservices for mobile and web applications, supporting AI-powered features and model deployments, with an accent on API design, database performance, and scalability. Focus on optimizing system performance and reliability across distributed systems, collaborating with cross-functional teams, and ensuring stability in high-scale environments.

Location: Barcelona, Spain. Hybrid. Full visa & relocation support available for those moving to Barcelona.

Company

hirify.global is a technology company building AI-powered mobile apps for over 400 million users worldwide, recognized as Turkey’s #1 LinkedIn Top Startup.

What you will do

• Design, develop, and maintain scalable backend services and microservices supporting mobile and web clients.
• Build and evolve microservices and RESTful APIs with clean, maintainable architecture.
• Deploy, monitor, and support AI models and data-driven services in production environments.
• Optimize system performance, reliability, and scalability across distributed systems.
• Collaborate closely with mobile, frontend, AI, product, and DevOps teams to deliver new features.
• Troubleshoot, debug, and proactively improve system stability and observability.

Requirements

• 2+ years of professional experience in backend development.
• Strong proficiency in Node.js and/or Python.
• Experience designing and working with microservices architectures and RESTful APIs.
• Solid understanding of databases, data modeling, and performance optimization.
• Experience with cloud environments such as AWS, GCP, or Azure.
• Good grasp of data structures, algorithms, and system design fundamentals.
• Bachelor’s degree in Computer Science, Engineering, or a related field.

Nice to have

• Experience with Google Cloud services (e.g., Pub/Sub, Cloud Functions, App Engine) and Firebase.
• Familiarity with containerization and orchestration tools such as Docker and Kubernetes.
• Experience with CI/CD pipelines and DevOps best practices.
• Exposure to machine learning workflows, model deployment, or AI-related infrastructure.

Culture & Benefits

• Chance to work with a high-caliber, passionate international team building category-defining products.
• Full-time contract with competitive salary.
• Private health insurance and a generous meal card.
• Annual learning & development budget for courses, tools, or events.
• Free access to hirify.global’s suite of apps.
• A top-notch office in the heart of Barcelona.