Python Backend Engineer

2 days ago

Noida, Uttar Pradesh, India Infoorigin Inc Full time ₹ 9,00,000 - ₹ 12,00,000 per year

Job Title: Python Backend Engineer

Required Experience: 3–7 Years Experience

Location: Noida, Dehradun, Gondia – On-site (5 days/week)

Employment Type: Full-time

Job Summary

As our Python Backend Engineer, you will own and evolve the backend architecture for a large-scale analytical platform that processes massive datasets and serves thousands of concurrent users in real time. You'll design low-latency, secure, and reliable APIs, lead the integration of GenAI-powered workflows, and ensure our system meets the highest standards of performance, scalability, and resilience.

Must-Have Skills

· 3–7 years of professional Python backend development experience

· Expert in REST API design and microservices architecture

· Strong proficiency with security best practices for backend systems

· SSE, WebSockets, and event-driven architecture experience

· Hands-on experience with LlamaIndex, LangChain, or similar AI tooling

· Strong database skills: PostgreSQL/MySQL, MongoDB, or other NoSQL systems

· Authentication & authorization (OAuth2, JWT)

· Logging, monitoring, and tracing (ELK, Prometheus, Grafana, OpenTelemetry)

· Proven experience leading technical discussions and mentoring developers

Preferred Skills (Nice-to-Haves)

· Exposure to MCP, A2A is a big plus.

· Experience with LlamaIndex Workflow and workflow tracing

· AWS cloud services (EC2, Lambda, S3, API Gateway)

· Kubernetes orchestration (EKS preferred)

· CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI)

· Infrastructure-as-Code (Terraform, CloudFormation)

· Messaging systems (Kafka, RabbitMQ, AWS SNS/SQS)

· Caching strategies (Redis, Memcached)

· Containerization (Docker) and image optimization

· Serverless computing patterns

· Matplotlib or backend-driven chart generation

· Performance profiling and load testing tools (Locust, JMeter)

Job Type: Full-time

Pay: From ₹500,000.00 per year

Application Question(s):

  • How many years of total experience do you have?
  • Do you have experience in REST API design and microservices architecture?
  • Do you have Strong proficiency with security best practices for backend systems?
  • Do you have Hands-on experience with LlamaIndex, LangChain, or similar AI tooling?
  • Do you have SSE, WebSockets, and event-driven architecture experience?
  • Do you have 3+ years of professional Python backend development experience?

Work Location: In person

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