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Phox Health

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Senior Backend Engineer

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Summary

Designs, builds, and maintains secure, scalable backend services and REST/GraphQL APIs, collaborating with Product, Frontend, Mobile, and DevOps teams. Core stack is Node.js and TypeScript on AWS serverless services (Lambda, API Gateway, DynamoDB, S3, SQS/SNS).

We are looking for a Senior Backend Engineer to design, build, and maintain secure, scalable backend systems and APIs. You will work closely with Product, Frontend, Mobile, and DevOps teams to deliver reliable, high-performance applications.

Responsibilities

  • Design, develop, and maintain scalable backend services and APIs
  • Build and optimize REST and GraphQL APIs
  • Design and maintain database schemas and data models
  • Develop event-driven and serverless applications
  • Integrate with third-party APIs and enterprise systems
  • Write clean, maintainable, and well-tested code
  • Monitor application performance and troubleshoot production issues
  • Participate in code reviews and mentor junior engineers
  • Collaborate with cross-functional teams to deliver high-quality solutions


Requirements

  • 5–8 years of backend development experience
  • Strong proficiency in Node.js and TypeScript
  • Experience building REST and GraphQL APIs
  • Experience with AWS cloud services (Lambda, API Gateway, DynamoDB, S3, SQS, SNS, etc.)
  • Strong understanding of database design, security, and performance optimization
  • Experience with Git, CI/CD, and modern software engineering practices
  • Strong problem-solving and communication skills


Preferred: Experience with AWS AppSync, Serverless Architecture, Event-Driven Systems, Elasticsearch/OpenSearch, Docker, Kubernetes, Terraform or AWS CDK, and building enterprise SaaS platforms

Skills

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See also

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