Codeway

Backend Developer

Codeway

full-time

Posted on:

Location Type: Hybrid

Location: Barcelona • Spain

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Tech Stack

AWSAzureCloudDistributed SystemsGoogle Cloud PlatformJavaScriptMicroservicesNode.jsPython

About the role

  • Design, develop, and maintain scalable backend services 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 end to end.
  • Troubleshoot, debug, and proactively improve system stability and observability.
  • Contribute to code quality through reviews, testing, and documentation.

Requirements

  • 2+ years of professional experience in backend development.
  • Strong proficiency in backend development using 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.
  • Ability to contribute effectively in high-scale environments handling large volumes of traffic and data.
  • Strong problem-solving skills and attention to detail.
  • Bachelor’s degree in Computer Science, Engineering, or a related field.
Benefits
  • Full-time contract with competitive salary
  • Private health insurance, a generous meal card
  • Full visa & relocation support if you’re moving to Barcelona
  • Annual learning & development budget for courses, tools, or events that support your growth
  • Free access to Codeway’s suite of apps across productivity, wellness, and education
  • A top-notch office in the heart of the city
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
backend developmentNode.jsPythonmicroservices architectureRESTful APIsdatabasesdata modelingperformance optimizationcloud environmentsdata structures
Soft Skills
problem-solvingattention to detail
Certifications
Bachelor’s degree in Computer ScienceBachelor’s degree in Engineering