Cloud Backend Engineer - Telecom domain

Position: Cloud Backend Engineer Telecom domain Location Bangalore (Hybrid mode ) Experience level : 5 to 10 years Immediate joiners Please share your updated resumes to kjallepalli@innominds.com How You Will Contribute Lead the design and development of Voice Services over NB-IoT. Build and optimize Voice Gateway signalling components and media session setup. Implement CSFB-SS7 (I1 protocol) for integration with NTN carriers and 3GPP IMS Core. Develop scalable Voice Gateway Server with CSFB-I1 and SIP/SDP interworking functions. Integrate third-party SIP/SDP protocol stacks for seamless operation. Focus on optimizing voice services for low-bandwidth networks. Support thousands of SIP sessions with interworking to MNO SBC and IMS networks. Define and execute test cases, automation, and code coverage with QA teams. Oversee build and deployment processes using Jira, Jenkins, GCR/GKE. Ensure security best practices in development and deployment. Collaborate with platform engineering and cross-functional teams for streamlined development. Establish disciplined processes for timely, high-quality software delivery with robust testing. What We Look For 8+ years of experience in software development using OOP and microservices. Bachelor's or Master's degree in Computer Science, Engineering, or related field. Expertise in CSFB, I1, SIP signaling, and 3GPP IMS standards for telephony services. Skilled in building SIP-based solutions using SIP stacks for proxy clients and B2B servers. Hands-on experience with VoIMS and SIP/IMS network implementation. Proficient in tools like SIPP and FreeSWITCH for test environments. Programming expertise in C/C++, Go, or Java with strong SQL schema and query skills. Knowledge of stream processing (GCP Pub/Sub, Kafka) and REST API design. Experience with scalable distributed systems and horizontal scaling. Familiar with Kubernetes, Docker, Jenkins pipelines, and GCP tools. Strong understanding of code quality, performance metrics, and CI/CD tools (e.g., JMeter, Postman, Grafana, Prometheus). Collaborative team player with excellent communication skills. Please share details below for the next steps Fullname: Contact number Email id Current Company Reason for the change in the detailed How many companies worked with Current CTC. Expected CTC Any offers in hand / Pipeline Notice period Education details Current location Preferred location