2+ Audio codecs Jobs in India
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Kolkata
4 - 8 yrs
₹5L - ₹12L / yr
FreeSWITCH
VoIP Protols
Audioconferencing
Videoconferencing
RTP proxy
+4 more
Job Opening: FreeSWITCH Developer
Location: Ecospace Business Park, Rajarhat, Newtown, Kolkata
Employment Type: Full-Time, Permanent
Shift: Day Shift
Experience: Minimum 4+ years in FreeSWITCH/VoIP Development
Responsibilities:
- Design, develop, deploy, troubleshoot, and maintain tools and services supporting our cloud telephony network.
- Customize FreeSWITCH for large-scale audio/video conferencing (1000–1500 concurrent calls).
- Expertise in SIP, RTP, RTCP, TURN, STUN, NAT, TLS.
- Hands-on experience with RTP Proxy and routed audio conferences.
- Understanding of SDP Protocol offer/answer mechanism.
- Work with load testing tools for FreeSWITCH audio conferences.
- Deploy and manage multiple FreeSWITCH instances using load balancers.
- Debug issues using packet captures (Wireshark/Ngrep).
- Collaborate with mobile/API teams for integration and support.
- Knowledge of codecs (PCMU, PCMA, G729, Opus) and open-source telephony technologies (FreeSWITCH, WebRTC).
- Familiarity with SIP servers (SER/OpenSER), proxy servers, SBC, SIPX is a plus.
Qualifications:
- Bachelor’s degree in Engineering (B.Tech/MCA).
- 4+ years of hands-on experience in FreeSWITCH development or related VoIP technologies.
- Strong knowledge of Linux environments and command-line tools.
- Basic to intermediate SQL knowledge.
- Proficiency in scripting (Bash, Python, Perl) for automation.
- Strong understanding of VoIP protocols (SIP, RTP), networking principles (TCP/IP, DNS, DHCP, routing protocols).
- Excellent troubleshooting skills with ability to resolve complex technical issues.
- Strong problem-solving, communication, and collaboration skills.
Industry Preference:
- Travel (Preferred)
- Any Industry (Required)
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Hyderabad
2 - 8 yrs
₹4L - ₹24L / yr
Video engineering
H.264/MPEG-4 AVC
Video streaming
video engineer
Video compression
+5 more
Expert knowledge in video and image coding principles, algorithms, and techniques
Expert knowledge and experience in video compression standards, such as H.265, H.264, HEVC, VVC, VP9, AV1
Experience in hardware encoding
Experience in streaming technologies like RTSP, RTMP, SRT, Transport over UDP/TCP
Experience in hardware video I/O will be an added advatage
Experienced in assessing visual quality using both objective metrics and subjective techniques
Excellent software design and debugging skills and solid programming skills in C/C++ Good written and oral communication skills
Familiarity with video processing algorithms such as scaling, noise reduction, tone mapping, etc would be a plus
Familiarity with the latest computer vision and deep learning technologies would be a plus
Expert knowledge and experience in video compression standards, such as H.265, H.264, HEVC, VVC, VP9, AV1
Experience in hardware encoding
Experience in streaming technologies like RTSP, RTMP, SRT, Transport over UDP/TCP
Experience in hardware video I/O will be an added advatage
Experienced in assessing visual quality using both objective metrics and subjective techniques
Excellent software design and debugging skills and solid programming skills in C/C++ Good written and oral communication skills
Familiarity with video processing algorithms such as scaling, noise reduction, tone mapping, etc would be a plus
Familiarity with the latest computer vision and deep learning technologies would be a plus
Read more
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