Python Backend Developer

2 days ago

Noida, India Infoorigin Inc Full time

Role: Python Backend Engineer

Location: Noida, UP

Work Mode: Onsite

Employment Type: Full-Time

Interview Mode: In Person

Job Description

Why This Role Matters

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.

What You'll Do

  • Own backend system architecture for a high-throughput real-time analytics platform.
  • Lead the design and development of secure REST APIs and microservice in Python.
  • Architect and integrate GenAI workflows using LlamaIndex, LangChain or similar frameworks.
  • Implement real-time streaming using Server-Sent Events (SSE), event-driven patterns, and messaging systems.
  • Optimize and maintain database architectures (SQL/NoSQL) for performance and scalability.
  • Define and enforce security best practices, authentication, and authorization (OAuth2, JWT).
  • Establish standards for structured logging, monitoring, and distributed tracing.
  • Drive cloud-native deployments and ensure systems scale seamlessly.
  • Mentor mid-level engineers, lead architecture discussions, and set engineering standards.
  • Collaborate across product, data, and infrastructure teams to align backend capabilities with business needs.

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 Types: Full-time, Permanent

Pay: ₹1,065, ₹1,590,756.23 per year

Benefits:

  • Health insurance
  • Paid sick time
  • Paid time off
  • Provident Fund

Application Question(s):

  • What is your Total IT Experience ?
  • How many years of Experience do you have with Python?
  • How many years of Experience do you have with Microservices?
  • How many years of Experience do you have with LangChain?
  • Do you have Notice period of 30 Days or less?

Work Location: In person

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