Software Engineer - Backend Engineer (Python)

Infinity learn; Hyderabad; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Infinity Learn is seeking a Backend Software Engineer to build scalable backend services powering its digital learning products. You will design and implement REST APIs and event-driven microservices using Python and FastAPI.

Responsibilities include building and optimizing PostgreSQL databases, developing cloud-native solutions with AWS Lambda, S3 and SQS, and collaborating across Product, QA, DevOps and Data teams to ensure reliability and performance.

Qualifications

• Proficiency in Python and FastAPI for building scalable backend services.
• Experience with PostgreSQL/SQL and query optimization.
• Strong understanding of REST APIs, microservices, and event-driven architectures.
• Experience deploying and debugging cloud-native/serverless tech is a plus.

Responsibilities

• Design, develop, test and maintain scalable backend services, APIs and microservices.
• Build and optimize PostgreSQL/SQL databases, queries, schemas and indexing.
• Develop cloud-native solutions using AWS Lambda, S3 and SQS.
• Design reliable APIs, service architectures and event-driven workflows.
• Write clean, maintainable and testable Python code.
• Troubleshoot production issues, performance bottlenecks and service failures.
• Participate in code reviews and architecture discussions.
• Collaborate with Product, QA, DevOps, Data and Frontend teams.
• Support deployment, monitoring, observability and production operations.

Skills

Python

FastAPI

PostgreSQL & SQL

REST APIs

Microservices

Distributed Systems

AWS Lambda

AWS S3

AWS SQS

Automated Testing

Production Debugging

Tools

AWS Lambda

AWS S3

AWS SQS

Job description

We are looking for a Backend Software Engineer with strong experience in Python and FastAPI to build scalable backend services, REST APIs and event-driven microservices powering Infinity Learns digital learning products.

Key Responsibilities

• Design, develop, test and maintain scalable backend services, APIs and microservices using Python & FastAPI.
• Build and optimize PostgreSQL/SQL databases, queries, schemas and indexing.
• Develop cloud-native solutions using AWS Lambda, S3 and SQS.
• Design reliable APIs, service architectures and event-driven workflows.
• Write clean, maintainable and testable Python code.
• Troubleshoot production issues, performance bottlenecks and service failures.
• Participate in code reviews and architecture discussions.
• Collaborate with Product, QA, DevOps, Data and Frontend teams.
• Support deployment, monitoring, observability and production operations.

Required Skills

Must Have:

• Python
• FastAPI
• PostgreSQL & SQL
• REST APIs
• Microservices
• Distributed Systems
• AWS Lambda
• AWS S3
• AWS SQS
• Automated Testing
• Production Debugging

Preferred Experience

• High-scale or latency-sensitive backend systems
• Event-driven architecture and asynchronous workflows
• CI/CD, logging, monitoring and alerting
• Git and cloud-native/serverless deployment
• Infrastructure as Code and containerized environments
• Experience with reliability, performance and security practices

Candidate Profile

The ideal candidate is a backend engineer who enjoys building high-throughput APIs, reliable microservices and cloud-native systems, and takes ownership of backend services through development, deployment and production support.