REFU Drive - AWS Cloud Engineer - Serverless Architecture

Overview

AWS Cloud Engineer (510 Years Experience)

Task

Design, develop, and maintain backend services, data pipelines, and user management systems for our energy management platform. The role focuses on building a scalable, secure, and cost-efficient cloud architecture using AWS services.

Key Responsibilities

• Architect and develop backend services using AWS Serverless technologies (Lambda, API Gateway, DynamoDB, Step Functions, etc.).
• Implement robust data handling workflows, including data ingestion, transformation, and storage.
• Build and manage user authentication and authorization using AWS Cognito.
• Use AWS CDK to automate infrastructure provisioning following best practices (IaC).
• Ensure high system reliability using CI/CD pipelines, monitoring, logging, and DevOps practices.
• Optimize AWS resources and workloads for cost-efficient operations.
• Collaborate with cross-functional teams, including hardware engineering and energy domain experts, to integrate backend with field devices and management systems.
• Maintain and improve database designs for performance, scalability, and security.
• Troubleshoot production issues and provide long-term solutions.
  
  

• Strong hands-on knowledge of Serverless architecture
• Experience with DynamoDB (data modeling, indexing, performance tuning)
• Building REST/GraphQL APIs using API Gateway
• Managing Cognito for user pools, identity pools, federation, and access control
• Deploying infrastructure using AWS CDK
• Strong command over AWS logging/monitoring tools (CloudWatch, X-Ray, IAM policies, SQS/SNS, etc.)
  
  

• Experience setting up CI/CD pipelines (GitHub Actions, GitLab, AWS CodePipeline, etc.)
• Strong understanding of deployment strategies, automation, and cloud security.
• Experience with containerization (Docker) and AWS ECS/ECR is a plus.
  
  

• Excellent programming skills in Python for backend logic, microservices, and automation scripts.
  
  

• Good understanding of SQL and NoSQL database systems
• Experience in designing high-performance data schemas for large-scale systems.
  
  

• Knowledge of energy management systems, renewable energy domain, and IoT integration is highly desirable.
  
  

• Strong analytical and problem-solving capabilities.
• Experience with Git, version control workflows, and CI/CD best practices.
• Ability to prioritize, document, and deliver high-quality, maintainable solutions.
  
  

(ref:hirist.tech)