Cloud Backend Engineer

Job Description

How You Will Contribute Lead the design and development of Voice Services over NB-IoT. Build and optimize Voice Gateway signaling 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. Education BE/B.Tech/ME/M.Tech/MCA Interview Rounds 3 Technical rounds Experience Level 8+ Years Required Candidate login to applying this job. Click here to And try again Login to your account Email Address: Password: Cloud Backend Engineer Telecom domain Drop your resume or click to upload File types supported: .doc, .docx and .pdf | Max file size: 3 MB or First Name: * Last Name: * Email: * Phone: * Current Job Title: Online resume/portfolio link Address Country State Postal code How soon can you join* How did you hear about us* By clicking checkbox, you agree to our and