Senior Java/AWS Serverless Engineer
Senior Java/AWS Serverless Engineer
Posted on :
05-07-2025
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1 Vacancy
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Job Description
Senior Java/AWS Serverless Engineer To Individually contribute and Drive transformation of our existing Java microservices deployed on Amazon Elastic Kubernetes Service (EKS) to serverless AWS Lambda are the Roles and ResponsibilitiesArchitecture & Design: Analyse existing Java microservices deployed on EKS to identify suitable candidates for serverless migration. Design and implement serverless architectures using AWS Lambda API Gateway other relevant AWS services. Define and implement robust API Gateway strategies including resource paths HTTP methods and integration with Lambda functions. Implement secure API access using Lambda authorizers (custom authorizers) for token-based authentication and authorization. Integrate Redis caching (using AWS Elasti Cache for Redis) into serverless applications to improve performance and reduce latency. Design caching strategies including cache invalidation and eviction policies to optimize data retrieval. Define and implement best practices for serverless development including performance optimization security cost management and caching. Create detailed technical documentation including architecture diagrams design specifications and API & Implementation Migrate Java microservices to AWS Lambda functions using Quarkus and Leverage the AOT Compilation through GraalVM/Mandrael for efficient start up Times. Develop and maintain RESTful APIs using API Gateway including defining request/response models and error handling. Implement custom Lambda authorizers for API Gateway to handle authentication and authorization logic including token validation and permission checks. Implement data persistence solutions using DynamoDB/serverless databases(Postgres). Integrate Redis caching into Lambda functions using Java Redis clients (e.g. Jedis Lettuce). Implement cache-aside write-through or other caching patterns as needed. Integrate Lambda functions with other AWS services using event-driven architectures. Write clean efficient and well-documented & Deployment: Develop and execute comprehensive unit integration and end-to-end tests including testing API Gateway endpoints Lambda authorizer functionality and Redis caching interactions. Implement CI/CD pipelines for automated deployment of Lambda functions API Gateway configurations and ElastiCache configurations. Manage and execute the production deployment process including blue/green deployments canary releases and rollback strategies. Monitor and manage production environments ensuring high availability and performance. Monitor and troubleshoot serverless applications using AWS CloudWatch ElastiCache metrics and other monitoring tools including API Gateway logs Lambda function metrics and Redis performance. Perform performance testing and optimization to ensure optimal API Gateway Lambda function and Redis cache Development: Strong proficiency in Java 8 or later. Experience with Java frameworks such as Spring Boot/Quarkus/Micronaut/jhipster. Understanding of object-oriented programming principles and design patterns. Understanding of AOT using Graal VM and Mandrael Garbage Collection and Fine Tuning of the same.
Required Experience:
Senior IC
Employment Type
Full-Time
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