Role description

Job Title AWS Backend Developer Senior Developer

Role Summary

Join the App Architecture Backend Development team building domainbased microservices for a telecom customer This role is handson focused on AWS serverless architecture TypeScript development and IoTaware solutions You will design and implement backend services using AWS managed services Infrastructure as Code and modern observability and security practices

Primary Skills

AWS Serverless critical Lambda eventdriven patterns

Programming Language TypeScript critical

API Development Amazon API Gateway important

Infrastructure as Code AWS CDK important

Testing JEST nice to have

Utilities Lambda Powertools nice to have

Data Modeling DynamoDB nice to have

Backend Framework NestJS nice to have

Observability CloudWatch Metrics Dashboards XRay IoTaware

IoTAware Skills

Connectivity Protocols MQTT HTTPREST WebSockets for IoT communication

Device Management IoT Core Device Shadows Device Provisioning

IoT Jobs OTA Firmware update workflows nice to have

Rules Engine IoT Rules for message routing and integration

Security TLS for device communication certificatebased authentication

Event Handling Integration with EventBridge for scheduled jobs

Telemetry TimeSeries AWS Timestream nice to have

Responsibilities

Develop backend microservices in TypeScript using AWS Lambda and API Gateway

Design IoTaware workflows for device onboarding provisioning and control

Model data for DynamoDB and integrate with IoT telemetry streams

Configure CloudWatch dashboards metrics and XRay tracing for observability

Implement secure authentication and authorization using Cognito IdP Federation and Amazon Verified Permissions





Collaborate with architects and domain leads to ensure alignment with telecomspecific requirements

Write unit and integration tests JEST preferred and follow best practices for code quality and security

GoodtoHave Skills

AWS Timestream for timeseries data

Lambda Powertools for logging and tracing

NestJS for backend service structure

OTA update patterns for IoT hubs

Skills

Mandatory Skills : IOT - DevOps

About LTM
LTM is an AI-centric global technology services company and the Business Creativity partner to the world’s largest and most disruptive enterprises. We bring human insights and intelligent systems together to help clients create greater value at the intersection of technology and domain expertise. Our capabilities span integrated operations, transformation, and business AI — enabling new ways of working, current productivity paradigms, and new roads to value. Together with over 87,000 employees across 40 countries and our global network of partners, LTM — a Larsen & Toubro company — owns business outcomes for our clients, helping them not just outperform the market, but to Outcreate it. Please also note that neither LTM nor any of its authorized recruitment agencies/partners charge any candidate registration fee or any other fees from talent (candidates) towards appearing for an interview or securing employment/internship. Candidates shall be solely responsible for verifying the credentials of any agency/consultant that claims to be working with LTM for recruitment. Please note that anyone who relies on the representations made by fraudulent employment agencies does so at their own risk, and LTM disclaims any liability in case of loss or damage suffered as a consequence of the same. Recruitment Fraud Alert - https://www.ltimindtree.com/recruitment-fraud-alert/

📌 Specialist - Architecture (India)
🏢 LTM
📍 India