Backend Engineer

2 weeks ago

Hyderabad, Telangana, India Org Linked Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Position: Backend Engineer

Experience: 5–10 Years

Location: Hyderabad

About Us

We are building a conversational voice assistant and scaling to thousands of concurrent calls on an AWS-native platform. You will help shape core services, evolve our LLM/RAG stack, and build reliable, secure, observable systems.

What You'll Do

  • Design and own Python/FastAPI microservices (async I/O, WebSockets) for real-time voice/data workflows.
  • Model and operate MongoDB/Atlas: schema design, indexes, aggregation, performance tuning, TTL, change streams.
  • Integrate third-party APIs (auth, webhooks, retries, idempotency, observability).
  • Contribute to LLM features: tool/function calling, structured outputs (Pydantic/JSON Schema), RAG, evaluations, safety.
  • Build and maintain CI/CD pipelines, add metrics/logs/traces, and support incident response.
  • Collaborate across teams; write clear docs/runbooks.

Must-Haves

  • 5+ years backend experience with Python (strong) & FastAPI/async frameworks.
  • Deep MongoDB expertise (schema design, indexing, aggregation, profiling, tuning; Atlas ops).
  • CI/CD, Docker, distributed debugging, excellent communication.
  • Proven experience with third-party integrations (auth, rate limits, webhooks, pagination).

LLM/AI Preferred

  • Integration with OpenAI/Azure/Bedrock, streaming responses.
  • RAG pipelines (chunking, embeddings, vector stores), prompt versioning, structured outputs.
  • Evaluation & safety (regression tests, guardrails, PHI redaction, latency/cost tracking).

Nice-to-Have

  • , PostgreSQL/Redis, Kafka/Kinesis/RabbitMQ.
  • Real-time comms (SIP/WebRTC), audio streaming, STT/TTS.
  • Security (SOC2/HIPAA), secrets management.
  • AWS (IAM, VPC, S3, SQS/SNS, API Gateway/ALB, CloudWatch, ECS/EKS/Lambda).

Why Join

  • Ship impactful real-time production services used daily.
  • High ownership: design → build → deploy → monitor.
  • Deep technical growth across FastAPI, AWS, MongoDB, LLM/RAG.
  • Strong engineering culture, fast feedback, meaningful problems.
  • Chance to grow into domain owner/tech lead within 6–12 months.

Job Types: Full-time, Permanent

Work Location: In person

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