Title: Senior Developer (Java and Lamda)

Location: Bangalore

Exp: 5+ Years

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Responsibilities

- Design and develop serverless applications using AWS Lambda with Java.
- Build scalable, secure, and high-performance backend services.
- Develop REST APIs and integrate them with Lambda, API Gateway, and other AWS services.
- Write clean, maintainable, and testable Java code following best practices.
- Optimize Lambda functions for performance, cold start reduction, and memory usage.
- Implement event-driven solutions using services like S3, SNS, SQS, EventBridge, and DynamoDB.
- Collaborate with product owners, architects, QA, DevOps, and other stakeholders to deliver end-to-end solutions.
- Troubleshoot production issues and perform root-cause analysis for failures and performance bottlenecks.
- Review code, mentor junior developers, and enforce coding standards.
- Participate in estimation, planning, and technical design discussions.

AWS Lambda and Typescript specific responsibilities

- Design Lambda-based microservices and serverless workflows.
- TypeScript: Advanced proficiency including generics, utility types, strict mode, declaration files, and module systems
- Node.js: Robust understanding of the Node.js runtime, event loop, async/await patterns, and package management
- Configure triggers, retries, dead-letter queues, and error handling strategies.
- Manage IAM roles, permissions, and least privilege access for Lambda execution.
- Work with CloudWatch logs, metrics, alarms, and tracing for monitoring and observability.
- Backend Fundamentals: Solid understanding of RESTful API design, authentication/authorization (JWT, OAuth2, Cognito), database design,



and distributed systems
- IaC Tools: Experience with at least one of AWS CDK (preferred), AWS SAM, or Serverless Framework
- Deploy Lambda functions using CI/CD pipelines and infrastructure-as-code tools.
- Handle versioning, aliases, rollback strategies, and environment-based deployments.
- Integrate Lambda with databases, caching layers, and third-party APIs.
- Ensure scalability, fault tolerance, and cost optimization in serverless architecture.

Requirements

- Minimum qualifications - 4-year Computer Science degree.
- At least 6+ years of experience in Java + Lambda
- AWS Certified Developer – Associate or AWS Certified Solutions Architect
- Translate business requirements into technical solutions.
- Prepare technical documentation, design documents, and implementation notes.
- Support production releases, incident resolution, and post-release monitoring.
- Follow Agile/Scrum practices and contribute to sprint planning, reviews, and retrospectives.
- Coordinate with cloud/platform teams to align architecture and operational standards.
- Designed and developed serverless applications using AWS Lambda and Java.
- Built and maintained RESTful APIs and event-driven microservices on AWS.
- Integrated Lambda with API Gateway, S3, SQS, SNS, DynamoDB, and EventBridge.
- Optimized performance, reliability, and cost of serverless workloads.
- Implemented CI/CD pipelines and infrastructure automation for Lambda deployments.
- Monitored applications using CloudWatch, logs, metrics, and alarms.
- Familiarity with agile environments
- Excellent written and verbal communications skills with an emphasis on confidentiality, tact, and diplomacy

📌 Senior Developer (Java and Lamda) (Bengaluru)
🏢 NR Consulting
📍 Bengaluru