Chandra Singh Email & Phone Number

• Overall 11.5 years of work experience in Telecom Domain• Development experience in Python, Nodejs, and C#.• Deployment cloud experience for AWS(Compute, Storage, Database, Security, Network and Optimization) and automation using Terraform and Opsworks.• Expert in writing Test plans and Test strategies for Agile/non-agile methodology projects.• Experience on SAFe(Scaled Agile Framework) methodology hence Have exposure on User story identification, Acceptance Plan, Prioritization of user story, Story Point estimation, Dependency for user stories, Sprint planning, Feature testing activities, Sprint Demo & Retrospection.• Extensive expertise in VoIP protocols Manual and Automation testing, i.e. SIP, SDP, MSML, MSCML VXML, MEGACO, MGCP, RTP, RTCP over TCP and UDP. • Expertise in Media server features like Audio conference, Video conference, Audio Video Transcoding, IVR, Audio/Video transcoding, Voice quality (AEC, PLC, NG, NR, and NLD), RTCP, RTCP-PLI, and B2BUA.• Expertise in Media verification for audio codec G711, G722, AMR-WB, AMR, OPUS, EVS, and video codecs like H264, VP8, MPEG4, H263.• Experience on Kamailio, Freeswitch,Opensips, RTPEngine, FreePBX & FusionPBX open source Development and testing as SIP Gateway and Media Gateway• Experience in designing and building scalable automated test frameworks and test suites.• Experience in the complete setup of virtualization like Linux KVM, VMware VM, Openstack KVM and Docker• Developed in-house automation infrastructure/tools from scratch eg. Load test report automation using C# and SIP testing framework on Python and nodejs.• Experience on reproducing customers live issue, Skilled debugging and Troubleshooting • Expertise in automating test cases using Python-based robot framework.• Expertise in CI/CD automation infrastructure building from scratch.• Expertise in the usage of different Softphones like Bria, Blink, Kapanga Polycom, Linphone, Lifesize, Huawei Open eye.• Experience in Chaos Testing & automation

Listed skills include Sip, Linux, Rtp, Operating Systems, and 25 others.