Real-Time Communication Systems Developer

1 week ago

aligarh, India beBeeBackend Full time

Backend Software Engineer for Real-Time CommunicationsWe're seeking an experienced software engineer to join our team and help build robust backend services that power real-time communications analytics and automation at scale.You'll be responsible for designing APIs, processing streaming data, and integrating with voice/telephony and cloud services to deliver low-latency, high-reliability experiences.Key Responsibilities:Design and implement 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 patterns (idempotency, retries, backoff, circuit breakers) for scale and fault tolerance.Model data in PostgreSQL and MongoDB; tune indexes/queries; maintain migration discipline.Required Skills and Qualifications:Proficiency in Python & Django: RESTful APIs, authentication/authorization, background tasks, testing, and performance tuning.Strong networking fundamentals: TCP/IP, DNS, TLS, HTTP/2; practical debugging with Wireshark; familiarity with NetFlow/SNMP.Experience with telephony domain: SIP signaling, RTP/RTCP, call flows, PSTN/VoIP basics; exposure to Session Border Controllers.Familiarity with cloud & DevOps: Working knowledge of Azure/AWS, Docker; Kubernetes exposure is a plus; comfort with CI/CD and secrets management.Distributed systems expertise: Microservices, event-driven design (queues/streams), horizontal scaling, resilience patterns.Hands-on experience with databases: PostgreSQL and MongoDB (schema design, indexing, migrations, backups/restore).A strong mindset for ownership, bias to automate, clear writing, and a product quality bar that values reliability and latency.Benefits:This role offers the opportunity to work on complex problems, collaborate with a talented team, and grow your skills in a rapidly evolving industry. If you're passionate about building scalable, reliable, and high-quality software, we'd love to hear from youOthers:Please note that this job description is subject to change based on business needs. We're committed to creating an inclusive and diverse work environment where everyone has the opportunity to thrive. If you have any questions or concerns, please don't hesitate to reach out.

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