Expert Serverless Backend Developer

3 days ago

Lahore, Punjab, Pakistan beBeeCloud Full time
Senior Cloud Engineer Job Description

This senior-level position involves designing and implementing cloud-native serverless backend infrastructure to power cross-platform applications. The ideal candidate will have extensive knowledge of AWS CDK, AppSync, Lambda, Step Functions, and modern deployment practices.

Key Responsibilities:
  • Develop and deploy multi-stack architecture using AWS CDK for efficient scalability.
  • Design and build backend components using Lambda, AppSync, API Gateway, Step Functions, ECS (Fargate).
  • Integrate OAuth flows and manage Cognito User Pools securely.
  • Collaborate with React/React Native teams to design and evolve GraphQL APIs.
  • Automate builds, bundling, and deployment pipelines for backend and containerized tasks efficiently.
  • Write unit/integration tests against Dockerized local environments to ensure robustness.
  • Utilize Zod for runtime validation and schema inference in the development process.
  • Manage secure configuration management through SSM Parameter Store and Lambda layers.
  • Support heavy processing jobs using ECS tasks.
  • Build integrations with Meta (Facebook) APIs for business page and marketing features.
  • Work with POS systems, handling secure API calls and event flows.

The successful candidate will have 3+ years of hands-on experience with AWS, especially CDK, Lambda, AppSync, Step Functions, and API Gateway. They should also be familiar with multi-stack infrastructure patterns, CI/CD for serverless deployments, and Zod or similar validation libraries.

Requirements:

  • 3+ years of experience with AWS, especially CDK, Lambda, AppSync, Step Functions, and API Gateway.
  • Experience with multi-stack infrastructure patterns and CI/CD for serverless deployments.
  • Knowledge of OAuth2 workflows and callback management.
  • Familiarity with MongoDB Atlas, IP whitelisting, and secure VPC integration.
  • Exposure to containerization with Docker and running tasks in ECS Fargate.
  • Practical understanding of React Native + Expo EAS build workflows (iOS/Android deployments).
  • Strong Git/GitHub workflow knowledge and collaboration tools.
  • Familiarity with integrating and securing third-party APIs like POS systems.
  • Experience with Meta (Facebook) API integrations.

Nice to Have:

  • Experience with Turborepo and monorepo package structure.
  • Knowledge of Lambda Layers, SSM Lambda Extensions, or CDK advanced patterns.
  • Hands-on with performance optimization and cold start minimization in Lambda.
  • AWS certifications are a plus.
Benefits:

This role offers opportunities for professional growth and collaboration with experienced engineers in the field.

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