Job Title: Senior Backend Engineer (Python/Node.js, Event-Driven Systems) Experience: 5–8 Years Role Overview We are looking for a Senior Backend Engineer to design, build, and scale event-driven microservices that power large-scale integration between platforms and third-party ecosystems. This role involves owning core backend systems end-to-end, driving technical decisions, mentoring engineers, and working closely with product and architecture teams to deliver scalable, reliable systems.

Key Responsibilities Design and build scalable, cloud-native applications on AWS, Azure, or Google Cloud

Develop and maintain microservices and distributed applications

Design and maintain event-driven architectures processing high-volume events (10K+ events/sec) using Kafka, MQTT, and cloud messaging services

Build and enhance microservices for real-time, low-latency data synchronization across distributed systems

Develop and maintain third-party platform integrations, including voice platform integrations (e.g., Alexa Smart Home, Google Home) for device discovery and control

Implement and manage OAuth 2.0-based account linking and token lifecycle management across third-party platforms

Create and maintain REST APIs and backend services; integrate cloud services, third-party APIs, and databases

Build serverless applications using services such as AWS Lambda or Azure Functions

Build scalable backend APIs for real-time dashboards, aggregating and serving high-volume data at scale





Establish and maintain CI/CD pipelines (GitHub Actions, AWS CodePipeline) for automated build, test, and deployment workflows

Collaborate with product managers, solution architects, and QA to ensure timely, high-quality delivery Required Qualifications 5–8 years of qualified backend engineering experience

Strong proficiency in Python, with exposure to Node.js and TypeScript

Experience with event-driven architecture using Apache Kafka, MQTT, or similar messaging systems

Solid experience with RESTful API design and building scalable microservices

Hands-on experience with cloud platforms — AWS (ECS, Lambda, S3, CodePipeline) or GCP (App Engine, Cloud Run)

Experience with OAuth 2.0, JWT, and secure authentication flows

Proficiency with Docker and containerized deployments

Experience with CI/CD pipelines (GitHub Actions, Jenkins, or AWS CodePipeline)

Robust problem-solving skills with ability to debug complex production issues across distributed services Candidate Profile Good to have: experience with IoT protocols (MQTT) and IoT platforms

Good to have: familiarity with cloud messaging services (Google Pub/Sub, Azure Event Hub, AWS SNS/SQS)

Good to have: experience with voice assistant integrations

Good to have: experience with Kubernetes-based deployments

Strong communicator, comfortable mentoring engineers and driving technical decisions independently Skills: python,microservices,node.js,backend development,aws,kafka

📌 SDE – Backend (IoT/Event-Driven Architecture) (Bengaluru)
🏢 Expertrons Delhi
📍 Bengaluru