Senior Software Engineer, Voice AI

Who We Are

OmniDimension is on an exhilarating journey. We're building an AI-powered platform empowering developers and enterprises across 50+ countries to effortlessly create and deploy reliable Voice AI agents. This isn't your average 9-5 role. We thrive on passion, dedication, and pushing boundaries. Yes, we often work long hours and weekends, but it's because we genuinely love what we do—and the impact we create is extraordinary.

We’re growing fast—and we would love to bring on passionate partners on this journey!

Who We're Looking For

We’re seeking a driven, passionate Principal Software Engineer with a doer mindset who thrives in a fast-paced, dynamic environment. You love coding, solving hard problems, and seeing your work in action across thousands of daily customer interactions.

You are someone who:

• Constantly asks, "Why?" and isn’t afraid to dive deep to find the answers.
• Enjoys rapid prototyping and iterating but also takes pride in developing rock-solid, production-grade systems.
• Has strong, thoughtful opinions yet remains open-minded, able to disagree and commit.
• Understands the big picture, architects scalable systems, and enjoys working across frontend, backend, and microservices to deliver end-to-end solutions.

Key Responsibilities

• Architect, design, and implement scalable, reliable solutions for our next-gen Voice AI platform.
• Build robust backend services using Python and relational databases (PostgreSQL, etc.).
• Develop intuitive front-end experiences, leveraging modern frameworks and best practices.
• (Huge Bonus) Own Site Reliability Engineering (SRE) practices—ensuring system scalability, monitoring, stress-testing, reliability, and observability.
• Create and manage cloud-native microservices architecture (AWS, GCP, Azure) ensuring high availability, scalability, and performance.
• Optimize and enhance performance through continuous improvements, fine-tuning large language models (LLMs), and refining voice/text processing pipelines.
• Collaborate closely with product, design, and engineering teams to rapidly build and ship impactful features.

Mandatory Qualifications

• Hands-on experience with Voice AI tech stack (ASR/STT, TTS, LLM integration).
• Deep familiarity with real-time communication protocols: WebSockets, WebRTC, RTP, SIP.
• Strong background in real-time audio streaming (Opus, PCM), latency handling, and jitter buffering.
• Solid experience integrating with telephony providers and SIP Integrations (Twilio, Telenyx, Exotel, Vonage, Asterisk, FreeSWITCH).
• 5+ years full-stack development with strong backend in Python and modern frontend frameworks (React, Vue, Angular, etc.).
• Proven expertise in scalable microservices and cloud deployment (AWS, GCP, Azure).
• Expertise in SRE practices: stress testing, benchmarking, monitoring, logging, and observability.
• Strong understanding of databases (PostgreSQL or similar) and system performance optimization.

Highly Desired Skills

• Prior experience fine-tuning/evaluating Large Language Models (LLMs) and building monitoring pipelines.
• Experience integrating Automatic Speech Recognition (ASR) and advanced TTS engines.
• Familiarity with data streaming frameworks (Kafka, WebSockets).
• Proficiency in Native/React Native frameworks for frontend/mobile development.
• Familiarity with WebRTC SFU/MCU frameworks (Janus, mediasoup, LiveKit).
• Knowledge of security & compliance standards (GDPR, HIPAA, PCI).
• Experience with containerization and orchestration (Docker, Kubernetes).

Why OmniDimension?

• Work on groundbreaking technologies at the cutting edge of Generative AI.
• Directly impact a platform used by top enterprises and innovative builders globally.
• Join a passionate founding team that values ownership, innovation, and relentless execution.
• Thrive in a culture that embraces challenges, encourages bold ideas, and rewards hustle.

This is not just another job—it's an opportunity to shape the future of voice-driven AI interactions worldwide.