voip engineer

Job Description

About Apexon:

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Apexon brings together distinct core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a dedication to solving clients toughest technology problems, and a commitment to continuous improvement. Backed by Goldman Sachs Asset Management and Everstone Capital, Apexon now has a global presence of 15 offices (and 10 delivery centers) across four continents.

We enable #HumanFirstDigital

Key Responsibilities

• Design and build a conversational chatbot capable of handling VOIP-based user interactions using AI Agent capabilities that exist on the platform.
• Integrate AI workflows and APIs with VOIP infrastructures such as Cisco Call Manager, or SIP-based systems.
• Develop real-time conversation logic that supports both speech recognition (STT) and text-to-speech (TTS) capabilities.
• Work with engineering teams to extend and customize workflows, intents, and agent actions for natural, multi-turn voice conversations.
• Design dialog flow architecture, NLP tuning, and fallback handling for hybrid voice chat scenarios.
• Monitor and optimize latency, audio quality, and AI response times for real-time VOIP conversations.
• Develop logging, monitoring, and analytics layers to track chatbot engagement and resolution metrics.
• Collaborate with AI Ops, DevOps, and Cloud Engineering teams to deploy the solution.

Required Skills & Experience

• 36 years of experience in chatbot, conversational AI, or VOIP software development.
• Hands-on expertise building with enterprise APIs, conversational design, workflow builder.
• Strong proficiency in / Python for bot logic and backend services.
• Experience with VOIP technologies: Cisco Unified Communications.
• Proficiency in speech technologies: Google Speech-to-Text, Amazon Polly, Azure Cognitive Speech Services, or similar.
• Familiarity with NLP platforms: Dialogflow, Rasa, or other NLP stack.
• Experience integrating bots with CRM / ITSM systems (Salesforce, ServiceNow, Zendesk).
• Understanding of OAuth, REST APIs, and WebSockets for integration.
• Familiarity with AI Agentic frameworks, LLM orchestration, and voice-based automation workflows is a strong plus.

Preferred Qualifications

• Experience building voice-driven self-service assistants for customer service or IT support.
• Knowledge of contact center integration.
• Prior work integrating with Aisera, Five9, NICE, or similar AI automation platforms.
• Exposure to enterprise-scale deployments with latency optimization and multi-channel orchestration.
• Certifications in AI Agent Development, AWS AI/ML, or Google Cloud Conversational AI.

Our Commitment to Diversity & Inclusion:

Did you know that Apexon has been Certified by Great Place To Work, the global authority on workplace culture, in each of the three regions in which it operates: USA (for the fourth time in 2023), India (seven consecutive certifications as of 2023), and the UK. Apexon is committed to being an equal opportunity employer and promoting diversity in the workplace. We take affirmative action to ensure equal employment opportunity for all qualified individuals. Apexon strictly prohibits discrimination and harassment of any kind and provides equal employment opportunities to employees and applicants without regard to gender, race, color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. You can read about our Job Applicant Privacy policy here.

Our Commitment to Environment:

Actively contribute to Apexon's commitment to environmental responsibility by following sustainable practices and supporting ESG initiatives.

Our Perks and Benefits:

Our benefits and rewards program has been thoughtfully designed to recognize your skills and contributions, elevate your learning/upskilling experience and provide care and support for you and your loved ones. As an Apexon Associate, you get continuous skill-based development, opportunities for career advancement, and access to comprehensive health and well-being benefits and assistance.

We also offer:

• Group Health Insurance covering family of 4
• Term Insurance and Accident Insurance
• Paid Holidays & Earned Leaves
• Paid Parental Leave
• Learning & Career Development
• Employee Wellness

Job Location:

Bengaluru, India

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