Senior Voice & Video Platform Software Engineer

Nextiva is building a cutting-edge Voice and Video Platform to power its Unified Communications (UCaaS) and Contact Center (CCaaS) solutions serving over 100000 businesses globally. This cloud-native carrier-grade platform is central to the Nextiva Unified-CXM suite delivering seamless voice video and messaging with 99.999% uptime and compliance with top security standards (HIPAA SOC 2 GDPR).

Were seeking a Software Engineer with deep real-time communications expertise to help design and evolve this mission-critical platform. Youll work with technologies like WebRTC and SIP to build scalable low-latency systems for call signaling media streaming and processing. The role involves full lifecycle ownershipfrom design and development to deployment and monitoringwithin a fast-paced agile team.

Ideal candidates are inventive engineers passionate about real-time media distributed systems and VoIP/telecom protocols. Youll collaborate closely with cross-functional teams and use automation and AI-assisted tools to deliver high-quality reliable software. This role reports to the Senior Engineering Manager for the Voice & Video Platform Team within Nextivas Product & Technology organization.

Key Responsibilities

• Voice/Video Service Development: Design and maintain core services for voice and video calling including call control routing conferencing and recording using WebRTC and SIP. Ensure low-latency high-volume performance.
• Real-Time Media Processing: Build and optimize audio/video streaming components using RTP codecs (Opus G.711 H.264) and DSP techniques like echo cancellation and jitter buffering to deliver high-quality communications.
• Platform Integration & Performance: Extend open-source telephony frameworks within a microservices architecture. Optimize system performance across networking OS and code layers to meet strict latency and throughput goals.
• Cloud-Native Infrastructure: Develop resilient cloud-native services with active-active failover high availability and zero-downtime deployments using Docker Kubernetes and CI/CD pipelines.
• Feature Innovation & AI Integration: Collaborate on advanced features like smart call routing video conferencing and AI-powered voice agents transcription and sentiment analysisbuilt with scalability security and compliance in mind.
• Quality & Automation: Own testing and quality with comprehensive unit/integration tests CI pipelines and AI-assisted tools. Simulate edge cases and stress conditions to ensure reliability.
• Cross-Team Collaboration: Work with Network Engineering UCXM Contact Center and SRE teams to integrate telecom infrastructure and expose APIs/SDKs for client applications. Support troubleshooting for key customers when needed.
• DevOps & On-Call: Contribute to infrastructure automation monitor service health and participate in on-call rotations to resolve production issues and continuously improve system reliability.
• Documentation & Knowledge Sharing: Maintain clear technical documentation and share expertise through tech talks postmortems and mentoring. Stay current on real-time communications trends and bring innovations to the team.

Success in this role is measured by delivering a highly reliable scalable and high-quality voice/video platform with five-nines uptime excellent media performance and timely feature deliveryempowering seamless AI-enhanced communication experiences for customers.

Qualifications

• Education: Bachelors in Computer Science Engineering or related field required; Masters in networking or distributed systems is a plus. Equivalent experience in real-time communications also considered.
• Real-Time Communications: 5 years in VoIP/video systems with strong expertise in WebRTC and SIP. Deep understanding of signaling flows SDP ICE STUN/TURN and DTLS-SRTP.
• Programming Skills: Proficient in C/C with multithreading and performance tuning. Experience with Go/Java for microservices and Python/Bash for automation is a plus.
• Networking & Protocols: Strong grasp of TCP/UDP TLS DNS and media codecs (Opus G.729 H.264). Familiarity with SIP proxies media servers PBX systems and PSTN integration is valuable.
• Scalability & Reliability: Experience building distributed fault-tolerant systems using cloud platforms (AWS/GCP/Azure) Docker and Kubernetes. Skilled in designing for high availability and active-active failover.
• Media & DSP: Knowledge of DSP techniques (echo cancellation jitter buffering) media quality tuning and video optimization (e.g. SFU architecture) is a plus.
• Security & Compliance: Understanding of VoIP security (TLS SRTP authentication) and compliance standards (HIPAA GDPR PCI). Able to design secure privacy-conscious systems.
• Collaboration & Communication: Strong communicator and team player with Agile experience. Comfortable owning features end-to-end and working cross-functionally.
• Adaptability & Learning: Passion for staying current with RTC cloud and AI trends. Eager to experiment learn and improve continuously.

Preferred:

• Experience in telecom UCaaS or CCaaS environments.
• Contributions to open-source RTC projects.
• Interest in AI/ML for call optimization or developer productivity.
• Relevant certifications (e.g. AWS CCNP voice tech).

Why Join Nextivas UCXM Platform Engineering Team

• Build the Future of Business Communication: Your code will power millions of calls and meetings directly impacting how businesses connect.
• Tackle Complex Challenges: Solve real-time distributed systems problems at scalelow latency global reach and high fidelity.
• Deliver Carrier-Grade Reliability: Learn to build systems with 99.999% uptime mastering quality resilience and observability.
• Work with Modern Tech: Use a global cloud-native stack (Kubernetes microservices C/C real-time media) with zero-downtime deployment practices.
• Thrive in a Collaborative Culture: Join a skilled supportive team that values innovation knowledge sharing and continuous improvement.

Nextiva DNA (Core Competencies)

Nextivas most successful team members share common traits and behaviors:

• Drives Results:Action-oriented with a passion for solving problems. They bring clarity and simplicity to ambiguous situations challenge the status quo and ask what can be done differently. They lead and drive change celebrating success to build more success.
• Critical Thinker: Understands the why and identifies key drivers learning from the past. They are fact-based and data-driven forward-thinking and see problems a few steps ahead. They provide options recommendations and actions understanding risks and dependencies.
• Right Attitude: They are team-oriented collaborative competitive and hate losing. They are resilient able to bounce back from setbacks zoom in and out and get in the trenches to help solve important problems. They cultivate a culture of service learning support and respect caring for customers and teams.

Total Rewards

Our Total Rewards offerings are designed to allow our employees to take care of themselves and their families so they can be their best in and out of the office.

Our compensation packages are tailored to each role and candidates qualifications. We consider a wide range of factors including skills experience training and certifications when determining compensation. We aim to offer competitive salaries or wages that reflect the value you bring to our team. Depending on the position compensation may include base salary and/or hourly wages incentives or bonuses.

• Medical - Medical insurance coverage is available for employees their spouse and up to two dependent children with a limit of 500000 INR as well as their parents or in-laws for up to 300000 INR. This comprehensive coverage ensures that essential healthcare needs are met for the entire family unit providing peace of mind and security in times of medical necessity.
• Group Term & Group Personal Accident Insurance - Provides insurance coverage against the risk of death / injury during the policy period sustained due to an accident caused by violent visible & external means.
  • Coverage Type - Employee Only
  • Sum Insured - 3 times of annual CTC with minimum cap of INR
  • Free Cover Limit - 1.5 Crore
• Work-Life Balance - 15 days of Privilege leaves per calendar year 6 days of Paid Sick leave per calendar year 6 days of Casual leave per calendar year. Paid 26 weeks of Maternity leaves 1 week of Paternity leave a day off on your Birthday and paid holidays
• Financial Security - Provident Fund & Gratuity
• Wellness - Employee Assistance Program and comprehensive wellness initiatives
• Growth - Access to ongoing learning and development opportunities and career advancement

At Nextiva were committed to supporting our employees health well-being and professional growth. Join us and build a rewarding career!

Established in 2008 and headquartered in Scottsdale Arizona Nextiva secured $200M from Goldman Sachs in late 2021 valuing the company at $ check out whats going on at Nextiva check us out on Instagram Instagram (MX) YouTube LinkedIn and the Nextiva blog.

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