-

- Snr backend engineer with IOT, NodeJS, AWS and Python.

- - Experience
- 8 - 14 yrs

- 3.Location

- India - Trivandrum( need to reloocate If you are not at TVM.

- The above three conditions are must for candidate, if you are not fitting to the above category please don’t apply for the job.

- If you are submitting your CV, please ensure it reflects the above skill set mentioned in point 1 and it’s detailed out in your CV highlight those experience

- Salary is not a constraint for right candidate.

- Key Responsibilities
- Design & Development of cloud infrastructure that is secure, scalable, and highly available on AWS.

- Provision, configure and maintain AWS cloud infrastructure defined as code.

- Troubleshoot problems across a wide array of services and functional areas.

- Implementation of new features based on product requirements

- Maintenance of existing applications including bug fixes and performance optimization

- Integration with Firmware and Mobile Apps

- UI/UX implementation following design specifications

- Code review and technical documentation

- Close collaboration with external clients for API integrations

- Performance monitoring, logging, and optimization

- Security implementation and authentication services (OAuth 2.0, JWT)

- Required Skills & Experience:

- Expert in building backend services using NodeJS, Java, and Python.

- Experience in bidirectional IoT, getting data out of IOT as well as sending commands to IOT devices and triggering actions.





- Strong backend development experience with modern frameworks

- Experience building and maintaining AWS infrastructure (VPC, EC2, Security Groups,

- EKS, IAM, ECS, Code Deploy, CloudFront, CloudWatch, RDS, Route53, S3)

- Expert in working on IoT devices includes different protocols, such as MQTT, WebSocket, and CoAP

- Strong Experience with IoT cloud architectures

- Design expertise and hands-on knowledge of REST, GraphQL, Angular, RDS,

- DynamoDB, Elasticsearch, and OpenSearch

- Experience with CI/CD pipelines for backend and web application development

- AWS platform expertise — specifically Lambda, API Gateway, DynamoDB, IoT Core,

- CloudFormation/CDK, S3, CloudWatch

- Database architecture and optimization skills (SQL and NoSQL)

- Must Have AWS Skills ( Every item below is key)-

- AWS Lambda

- Amazon API Gateway

- AWS AppSync

- AWS Step Functions

- Amazon DynamoDB

- DynamoDB Streams

- Amazon RDS

- Amazon Aurora

- Amazon S3

- Amazon OpenSearch / Elasticsearch

- AWS IoT Core

- IoT Device Shadows

- IoT Topic Rules

- IoT Policies

- IoT Certificates (JITR)

- Amazon Cognito User Pools

- Amazon Cognito Identity Pools

- Amazon Cognito Sync

- AWS KMS

- AWS IAM

- AWS Secrets Manager
- AWS Systems Manager Parameter Store

- Amazon SNS

- Amazon SQS

- Amazon EventBridge

- Amazon EventBridge Scheduler

- Amazon SES

- Amazon Route 53

- Amazon CloudWatch Logs

- Amazon CloudWatch Alarms

- AWS STS
- Languages & runtimes

- JavaScript
- Node.js 24.x

- Testing & quality

- Jest

📌 Backend Developer Lead (Thiruvananthapuram)
🏢 Ezzoft Technologies
📍 Thiruvananthapuram