Backend Engineer – Remote at The Flex

Remote - Montenegro, RS

Apply
More jobs at The Flex

The Flex is reimagining the global rental market. This remote Backend Engineer will design scalable infrastructure for reservations, payments, guest communications, and property operations, focusing on API development, automation tools, and system architecture. Candidates should possess strong proficiency in Node.js, cloud platforms such as AWS, serverless architecture, and API integration, with familiarity in FastAPI, Python, or scripting. A proactive mindset and strong analytical skills are essential.

Requirements

Skills

  • Node.js
  • AWS
  • serverless architecture
  • backend scalability
  • API design
  • system integrations
  • FastAPI
  • Python
  • scripting
  • automation systems
  • analytical skills
  • attention to detail
  • proactive mindset

Languages

  • English

Responsibilities

  • Design and optimize APIs to integrate with booking platforms, payment gateways, and third‑party services.
  • Build backend tools to streamline check‑ins, check‑outs, notifications, and reporting.
  • Develop scalable, serverless systems that support global rental operations.
  • Ensure data accuracy, system resilience, and efficient database management.
  • Investigate and resolve issues across backend services and integrations.
  • Collaborate with product and operations to ensure backend solutions solve real‑world challenges.
  • Maintain high standards through testing, code reviews, and CI/CD pipelines.

Technologies

Node.jsAWSserverless architectureAPI designFastAPIPythonscripting

See if your resume is ready for this job

See how our AI can optimize your resume and improve your chances for this role.