Backend Engineer

Backend Engineer

We are seeking a skilled and experienced Backend Engineer with a strong background in telephony and VoIP to join our team. The ideal candidate will have hands-on experience building products around telephony systems and optimizing various aspects of call handling and voice processing.

Key Responsibilities:

• Design, develop, and maintain backend systems that interface with telephony and VoIP technologies.
• Integrate and optimize APIs, specifically working with OAI, Elevenlabs, Deepgram, and FreeSWITCH.
• Build robust and scalable products focused on telephony, optimizing switch time, reducing bridge-to-connect time, and improving voicemail detection accuracy.
• Utilize state-of-the-art industry practices, including OS libraries, to ensure high performance and reliability.
• Troubleshoot and resolve issues related to telephony systems and APIs.
• Collaborate with cross-functional teams to define, design, and ship new features.

Minimum Requirements:

• Hands-on experience with Node/Typescript development
• Proven experience in telephony and VoIP, including building products around these technologies.
• Hands-on experience with FreeSWITCH or similar telephony platforms.
• Proficiency in optimizing switch time and reducing bridge-to-connect time.
• Experience in reducing false positive/negative rates in voicemail detection.
• Familiarity with best/SOTA industry practices, including the use of OS libraries.
• Strong programming skills in languages commonly used in backend development.

Preferred Qualifications:

• Experience with OAI API, Elevenlabs, and Deepgram.
• Strong understanding of network protocols and telecommunication standards.
• Prior experience in a similar role within the telecommunication industry.

About Us:

InterSources Inc, a Certified Diverse Supplier, was founded in 2007 and offers innovative solutions to help clients with Digital Transformations across various domains and industries. Our history spans over 16 years and today we are an Award-Winning Global Software Consultancy solving complex problems with technology. We recognize that our employees and our clients are our strengths as the diverse talents and opportunities they bring to the table enable us to grow as a global platform and they are causally linked with our success. We provide strategic and technical advice, and we have expertise in areas covering Artificial Intelligence, Cloud Migration, Custom Software Development, Data Analytics Infrastructure & Cloud Solutions, Cyber Security Services, etc. We make reasonable accommodations for clients and employees and we do not discriminate based on any protected attribute including race, religion, color, national origin, gender sexual orientation, gender identity, age, or marital status. We also are a Google Cloud partner company. We align strategy with execution and provide secure service solutions by developing and using the latest technologies that thrive our resources to deliver industry-leading capabilities to our clients and customers, making it convenient for our clients to do business with InterSources Inc. Our teams also drive growth by refining technology-driven client experiences that put the users first, providing an unparalleled experience. This results in strengthening the core technologies of clients, enabling them to scale with flexibility, create seamless digital experiences and build lifelong relationships.