VoIP Engineer (FreeSWITCH/Asterisk & Python)

Job Overview:

We are looking to hire an experienced telephony engineer for remote position who can contribute their expertise to our SaaS product. The ideal candidate will have a strong background in telephony systems, Python development, DevOps, real-time systems, and security. Salary is flexible for the right candidate who is ready to drive innovation and excellence in our product offerings.

Key Responsibilities:

Telephony and Communication Systems:

• Develop, maintain, and optimize telephony solutions using FreeSWITCH, Asterisk, SIP, WebRTC, and VoIP protocols.
• Troubleshoot and resolve issues related to call routing, connectivity, and communication quality.

Python Development and Scalability:

• Design and implement scalable backend systems using Python.
• Utilize asynchronous frameworks such as FastAPI and Celery for high-performance applications.
• Optimize interactions with PostgreSQL databases and ensure efficient message queuing.

DevOps and Cloud Infrastructure:

• Implement, manage, and optimize containerized applications using Docker and Kubernetes.
• Deploy and maintain applications on cloud platforms (AWS, GCP) ensuring high availability and performance.
• Collaborate with the operations team to improve CI/CD pipelines and automate infrastructure management.

Real-Time Systems:

• Design and develop systems utilizing WebSockets, UDP, and low-latency networking protocols to support real-time communication.
• Ensure minimal latency and high throughput for mission-critical applications.

Security and Compliance:

• Integrate security protocols such as SIP/TLS and SRTP to safeguard communications.
• Ensure compliance with data protection standards including GDPR and HIPAA, integrating security best practices in software design and deployment.

Collaboration and Mentoring:

• Work closely with cross-functional teams including product managers, designers, and other developers to shape product features and architecture.
• Mentor junior team members and promote a culture of continuous learning and improvement.

Required Skills and Qualifications:

• Proven experience in developing and managing telephony systems with FreeSWITCH/Asterisk, SIP, WebRTC, and VoIP protocols.
• Strong proficiency in Python, including experience with asynchronous frameworks such as FastAPI and Celery.
• Hands-on experience with PostgreSQL database optimization and message queue systems.
• Solid understanding of DevOps practices with practical experience using Docker, Kubernetes, and cloud platforms (AWS, GCP).
• Demonstrated expertise in building real-time systems using WebSockets, UDP, and ensuring low-latency networking.
• Deep knowledge of security protocols including SIP/TLS, SRTP and familiarity with regulatory compliance frameworks like GDPR and HIPAA.
• Excellent problem-solving skills, attention to detail, and the ability to work independently in a remote setting.
• Strong communication and collaboration skills.

Preferred Qualifications:

• Prior experience working on SaaS products in a remote or distributed team environment.
• Contributions to open-source projects or participation in developer communities.
• Experience with additional programming languages and frameworks is a plus.

Compensation and Benefits:

• Flexible salary package for the right candidate.
• Opportunity to work remotely from anywhere in India.
• Dynamic and collaborative work environment.
• Opportunities for professional growth and skill development.