Senior Backend Engineer – 7+ years

Role Overview

Seeking a Senior Backend Engineer with strong expertise in Python, FastAPI, distributed backend systems, and Azure cloud services . This role will build and harden the platform’s API and processing layer that powers ingestion, orchestration, validation, and downstream integration for high-volume document-processing workflows. The ideal candidate brings deep experience building secure, scalable, resilient backend services in event-driven cloud-native architectures.

Key Responsibilities

- Design and build backend APIs and microservices using Python and FastAPI for core ATLAS platform capabilities.

- Develop event-driven services and integrations across ATLAS processing flows using Azure services such as App Services, Functions, Event Grid, Service Bus, Blob Storage, Cosmos DB, and Key Vault .

- Implement secure API design and service-to-service access using Microsoft Entra ID, OAuth2/JWT, managed identities, and RBAC .

- Build integrations with persistence layers including Cosmos DB , relational databases, and Blob Storage, with attention to auditability, traceability, and performance.

- Containerize, deploy, and support services through Docker , CI/CD pipelines, and production-grade release practices.





- Instrument services with strong logging, monitoring, and observability to support performance, troubleshooting, and operational resilience.

- Collaborate with frontend, platform, AI, and operations teams to deliver backend capabilities that are reusable, secure, and production-ready.

Required Skills

- 7+ years of backend engineering experience building production-grade services and APIs.

- Strong hands-on expertise in Python and up-to-date API frameworks such as FastAPI .

- Experience designing microservices , asynchronous processing, and event-driven backend systems.

- Strong experience with Azure backend services and cloud-native deployment patterns.

- Solid understanding of API security , identity, access control, and secure secret management.

- Hands-on experience with databases , data modeling, and performance tuning for backend services.

- Experience with Docker , CI/CD, logging, monitoring, and production support practices.

Preferred

- Experience building backend systems for enterprise-scale, high-volume platforms.

- Exposure to workflow, orchestration, or document-processing platforms is a plus.

- Experience working in Agile product and engineering environments.

📌 Senior Backend Engineer (India)
🏢 Zensar Technologies
📍 India