

Quantiphi
SIP Developer
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a SIP Developer on a contract basis, requiring expertise in SIPREC, FreeSWITCH, Asterisk, and cloud deployment (GCP preferred). The position offers a competitive pay rate and focuses on VoIP media processing and automation using Node.js, Lua, or Python.
π - Country
United States
π± - Currency
$ USD
-
π° - Day rate
Unknown
-
ποΈ - Date
December 4, 2025
π - Duration
Unknown
-
ποΈ - Location
Unknown
-
π - Contract
Unknown
-
π - Security
Unknown
-
π - Location detailed
United States
-
π§ - Skills detailed
#AI (Artificial Intelligence) #Load Balancing #Scala #Monitoring #Python #Clustering #Deployment #MySQL #Databases #"ETL (Extract #Transform #Load)" #Snowflake #Cloud #GCP (Google Cloud Platform) #Azure #AWS (Amazon Web Services) #Automation #Big Data #ML (Machine Learning)
Role description
About Quantiphi:
β’ Quantiphi is an award-winning Applied AI and Big Data software and services company, driven by a deep desire to solve transformational problems at the heart of businesses. Our signature approach combines groundbreaking machine-learning research with disciplined cloud and data-engineering practices to create breakthrough impact at unprecedented speed.
β’ Quantiphi has seen 2.5x growth YoY since its inception in 2013, we donβt just innovate - we lead.
β’ Headquartered in Boston, with 4,000+ professionals across the globe. Quantiphi leverages Applied AI technologies across multiple a. Industry Verticals (Telco, BFSI, HCLS etc.) and is an established Elite/Premier Partner of NVIDIA, Google Cloud, AWS, Snowflake, and others.
We have been recognized with:
β’ 17x Google Cloud Partner of the Year awards in the last 8 years
β’ 3x AWS AI/ML award wins
β’ 3x NVIDIA Partner of the Year titles
β’ 2x Snowflake Partner of the Year awards
β’ Recognized Leaders by Gartner, Forrester, IDC, ISG, Everest Group and other leading analyst and independent research firms
β’ We offer first-in-class industry solutions across Healthcare, Financial Services, Consumer Goods, Manufacturing, and more, powered by cutting-edge Generative AI and Agentic AI accelerators
β’ We have been certified as a Great Place to Work for the third year in a row- 2021, 2022, 2023
For more details, visit: Website or LinkedIn Page
Be part of a trailblazing team thatβs shaping the future of AI, ML, and cloud innovation. Your next big opportunity starts here!
Job Description:
Responsibilities:
β’ Design and implement telephony integrations using SIP and SIPREC protocols
β’ Configure and manage media servers (FreeSWITCH, Asterisk, RTP Proxy)
β’ Work with SIP proxy servers (Kamailio, OpenSIPS) for call routing and signaling
β’ Build and maintain call recording solutions using SIPREC
β’ Handle WebRTC, RTP streams, and VoIP media processing
β’ Develop automation scripts and services in Node.js, Lua, or Python
β’ Integrate with relational databases (Postgres, MySQL)
β’ Deploy and manage solutions in cloud-native environments (GCP preferred, AWS, Azure)
β’ Ensure high availability (HA) and scalability using HAProxy or load balancers
β’ Collaborate with cross-functional teams for deployment, monitoring, and troubleshooting
Required Skills:
β’ Proven practical experience with SIPREC for VoIP call recording
β’ Expertise with FreeSWITCH / Asterisk / RTP Proxy (media servers)
β’ Expertise with Kamailio / OpenSIPS (SIP proxy servers)
β’ Strong knowledge of WebRTC, RTP streams, VoIP signaling and media handling
β’ Experience with Node.js, Lua, or Python for telephony-related development
β’ Database experience with Postgres / MySQL
β’ Hands-on deployment experience in GCP, AWS, or Azure
Nice to have skills:
β’ Experience with HAProxy, load balancing, and clustering for high-availability setups
Whatβs in it for YOU at Quantiphi?
β’ Make an impact at one of the worldβs fastest-growing AI-first digital engineering companies.
β’ Upskill and discover your potential as you solve complex challenges in cutting-edge areas of technology alongside passionate, talented colleagues.
β’ Work where innovation happens - work with disruptive innovators in a research-focused organization with 60+ patents filed across various disciplines.
β’ Stay ahead of the curveβimmerse yourself in breakthrough AI, ML, data, and cloud technologies and gain exposure working with Fortune 500 companies.
About Quantiphi:
β’ Quantiphi is an award-winning Applied AI and Big Data software and services company, driven by a deep desire to solve transformational problems at the heart of businesses. Our signature approach combines groundbreaking machine-learning research with disciplined cloud and data-engineering practices to create breakthrough impact at unprecedented speed.
β’ Quantiphi has seen 2.5x growth YoY since its inception in 2013, we donβt just innovate - we lead.
β’ Headquartered in Boston, with 4,000+ professionals across the globe. Quantiphi leverages Applied AI technologies across multiple a. Industry Verticals (Telco, BFSI, HCLS etc.) and is an established Elite/Premier Partner of NVIDIA, Google Cloud, AWS, Snowflake, and others.
We have been recognized with:
β’ 17x Google Cloud Partner of the Year awards in the last 8 years
β’ 3x AWS AI/ML award wins
β’ 3x NVIDIA Partner of the Year titles
β’ 2x Snowflake Partner of the Year awards
β’ Recognized Leaders by Gartner, Forrester, IDC, ISG, Everest Group and other leading analyst and independent research firms
β’ We offer first-in-class industry solutions across Healthcare, Financial Services, Consumer Goods, Manufacturing, and more, powered by cutting-edge Generative AI and Agentic AI accelerators
β’ We have been certified as a Great Place to Work for the third year in a row- 2021, 2022, 2023
For more details, visit: Website or LinkedIn Page
Be part of a trailblazing team thatβs shaping the future of AI, ML, and cloud innovation. Your next big opportunity starts here!
Job Description:
Responsibilities:
β’ Design and implement telephony integrations using SIP and SIPREC protocols
β’ Configure and manage media servers (FreeSWITCH, Asterisk, RTP Proxy)
β’ Work with SIP proxy servers (Kamailio, OpenSIPS) for call routing and signaling
β’ Build and maintain call recording solutions using SIPREC
β’ Handle WebRTC, RTP streams, and VoIP media processing
β’ Develop automation scripts and services in Node.js, Lua, or Python
β’ Integrate with relational databases (Postgres, MySQL)
β’ Deploy and manage solutions in cloud-native environments (GCP preferred, AWS, Azure)
β’ Ensure high availability (HA) and scalability using HAProxy or load balancers
β’ Collaborate with cross-functional teams for deployment, monitoring, and troubleshooting
Required Skills:
β’ Proven practical experience with SIPREC for VoIP call recording
β’ Expertise with FreeSWITCH / Asterisk / RTP Proxy (media servers)
β’ Expertise with Kamailio / OpenSIPS (SIP proxy servers)
β’ Strong knowledge of WebRTC, RTP streams, VoIP signaling and media handling
β’ Experience with Node.js, Lua, or Python for telephony-related development
β’ Database experience with Postgres / MySQL
β’ Hands-on deployment experience in GCP, AWS, or Azure
Nice to have skills:
β’ Experience with HAProxy, load balancing, and clustering for high-availability setups
Whatβs in it for YOU at Quantiphi?
β’ Make an impact at one of the worldβs fastest-growing AI-first digital engineering companies.
β’ Upskill and discover your potential as you solve complex challenges in cutting-edge areas of technology alongside passionate, talented colleagues.
β’ Work where innovation happens - work with disruptive innovators in a research-focused organization with 60+ patents filed across various disciplines.
β’ Stay ahead of the curveβimmerse yourself in breakthrough AI, ML, data, and cloud technologies and gain exposure working with Fortune 500 companies.






