Highly Scalable Backend Developer

6 days ago


kurnool, India beBeeBackendEngineer Full time

Job OverviewWe are seeking a highly skilled Backend Engineer to join our team. As a key member of the backend engineering team, you will be responsible for designing and implementing scalable and secure backend APIs, background/async jobs, and integrations with external services.Design and ship backend APIs (Django/DRF), background/async jobs (Celery/RQ), and secure integrations with external services.Build and optimize real-time data pipelines for call/quality metrics; own observability, tracing, and SLOs (p95/p99).Troubleshoot SIP/VoIP issues using packet captures and logs; automate analysis where possible.Containerize workloads with Docker , contribute to CI/CD , and collaborate on cloud deployment (Azure/AWS).Apply distributed-systems patters (idempotency, retries, backoff, circuit breakers) for scale and fault tolerance.Model data in PostgreSQL and MongoDB ; tune indexes/queries; maintain migration discipline.Requirements:Python & Django : RESTful APIs, authentication/authorization, background tasks, testing, and performance tuning.Networking fundamentals : TCP/IP, DNS, TLS, HTTP/2; practical debugging with Wireshark ; familiarity with NetFlow/SNMP .Telephony domain : SIP signaling , RTP/RTCP, call flows, PSTN/VoIP basics; exposure to SBCs .Cloud & DevOps : Working knowledge of Azure/AWS , Docker; Kubernetes exposure is a plus; comfort with CI/CD and secrets management.Distributed systems : Microservices, event-driven design (queues/streams), horizontal scaling, resilience patterns.Databases : Hands-on with PostgreSQL and MongoDB (schema design, indexing, migrations, backups/restore).



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