Back End Developer

1 week ago

Noida, Uttar Pradesh, India Info Origin Inc. Full time ₹ 15,00,000 - ₹ 25,00,000 per year

NEW OPPORTUNITY - Python Backend Engineer || Immediate to 30 Days Joiners Required

Job Title
– Python Backend Engineer

Location
: Noida | Dehradun | Gondia (On-site)

Experience
: 3–7 Years

Position Type
: Full-Time


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 microservices 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)

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