Senior Backend Developer Iot Node Js / Python Bengaluru (India)

Job Summary

We are seeking a highly skilled Senior Backend Developer with solid experience in the IoT domain to design, build, and scale backend systems for connected devices and real-time data processing. The ideal candidate has hands-on expertise in Node.js (TypeScript) and/or Python, deep knowledge of MQTT, microservices architecture, and cloud-native deployments on AWS.

Key Responsibilities

Design, develop, and maintain scalable backend services using Node.js (TypeScript) and/or Python

Build and optimize IoT platforms handling device communication, telemetry, and real-time data ingestion

Implement and manage MQTT-based messaging systems for reliable device communication

Design and develop micro services architectures with RESTful APIs

Implement authentication and authorization using Keycloak

Work with MySQL and MongoDB for high-performance data storage and retrieval

Containerize applications using Docker and manage deployments using container orchestration tools

Write and maintain Shell scripts for automation, monitoring, and deployment tasks

Deploy, monitor, and optimize applications on AWS (EC2, S3, RDS, IAM, etc.)

Ensure system reliability, performance, security, and scalability

Collaborate with cross-functional teams including frontend, DevOps, and product teams

Participate in code reviews, architecture discussions, and technical decision-making

Requirements

Required Skills & Qualifications

6+ years of experience in backend development

Solid expertise in Node.js (TypeScript) and/or Python

Proven experience working in the IoT domain

Hands-on experience with MQTT protocol

Solid database skills in MySQL and MongoDB

Experience implementing Keycloak for authentication and authorization

Solid understanding of microservices architecture and RESTful APIs

Experience with Docker and container orchestration (Kubernetes/ECS preferred)

Strong Shell scripting skills (Bash or similar)

Good working knowledge of AWS services

Experience with Linux-based systems

Strong problem-solving and debugging skills

Nice to Have

Experience with high-throughput or real-time systems

Knowledge of event-driven architectures

Familiarity with CI/CD pipelines

Exposure to Kubernetes and Infrastructure as Code (Terraform, CloudFormation)

Experience with monitoring tools (Prometheus, Grafana, CloudWatch) .