Backend Engineer

About the client - We are a world-changing team of AI researchers and engineers working on the cutting edge of generative AI We are building systems that work across telephony chat video email text to assist accelerate the human workforce with artificial agents Our focus is on helping customers improve their outcomes in the areas of Business Process Customer service IT support Accounting Human resources Legal services Marketing IP Legal etc 5 days working - Hyderabad Rounds 1 Virtual 1 Physical Location Hitech City Hyderabad Backend Engineer About Us We re building a conversational voice assistant Join early to shape core services data models and our AI LLM platform The road ahead We re scaling to thousands of concurrent calls maturing an AWS-native platform secure observable cost-aware You ll help evolve our LLM RAG stack deploy reliable pipelines and set engineering standards 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 indexing aggregation pipelines query tuning TTL archival change streams Integrate third-party APIs services auth webhooks retries idempotency observability and productionize them Contribute to LLM features tool function calling structured outputs Pydantic JSON Schema RAG evaluations safety guardrails Create and maintain deployment pipelines add metrics logs and traces drive incident response and postmortems Collaborate with frontend AI QA write docs runbooks communicate clearly and work as a supportive team member Must-Haves 5 years backend experience with Python strong and FastAPI or similar async frameworks MongoDB proficiency schema design indexes aggregation profiling performance tuning operational know-how on Atlas CI CD GitHub Actions GitLab CI or similar and Docker Strong debugging across distributed systems excellent communication and teamwork Proven third-party integration experience auth rate limits pagination webhooks LLM AI Experience Preferred Plus Server-side integration with providers e g OpenAI Azure OpenAI Bedrock and streaming responses RAG pipelines chunking embeddings vector stores prompt versioning structured outputs Evaluation safety basics offline eval sets regression tests guardrails PHI redaction latency cost tracking Nice-to-Haves Node js TypeScript for tools edge services PostgreSQL Redis event messaging Kafka Kinesis RabbitMQ Real-time comms SIP WebRTC audio streaming STT TTS Security compliance awareness SOC 2 HIPAA secrets management Hands-on AWS IAM VPC basics S3 SQS SNS API Gateway ALB CloudWatch deploy via ECR ECS EKS or Lambda Why Join Real impact real users Ship services that power sensitive workflows and live phone calls your work goes into production and gets used every day Ownership from day 1 Design build deploy monitor your services No heavy bureaucracy you ll make architectural decisions that stick Deep technical growth Work across Python FastAPI AWS ECS EKS Lambda S3 SQS SNS CloudWatch MongoDB Atlas and LLM RAG pipelines tool calling and structured outputs Hard meaningful problems Low-latency real-time pipelines WebSockets audio reliability at scale cost latency tuning and robust observability Fast feedback loop Automated CI CD frequent releases data-driven decisions clear success metrics latency reliability cost Strong engineering culture Thoughtful code reviews postmortems runbooks and documentation supportive teammates who communicate clearly Mission rigor Build SOC2 HIPAA-aligned systems that genuinely help users while meeting high security and privacy bars Career acceleration Grow into a domain owner tech lead within 6-12 months by consistently delivering and raising the quality bar Remote-friendly collaborative Pragmatic processes respectful schedules and a focus on outcomes over hours