Voice AI Engineer (all genders)

Your new roleBuild voices that power real conversations. At botario, you'll develop the text-to-speech and speech-to-text systems behind our AI Voice Agents—from the underlying models to low-latency, production-ready deployment. You'll help create voice experiences that sound natural, respond in real time, and perform reliably even in challenging real-world conditions.

The work you’ll do

• Develop and continuously improve our proprietary text-to-speech (TTS) and speech-to-text (STT) systems, from model development to real-time streaming inference.

• Optimize latency across the entire voice pipeline, including time-to-first-audio, streaming synthesis, and efficient model serving—because every millisecond matters.

• Improve voice quality and naturalness by working on prosody, pronunciation, and robustness under real-world audio conditions.

• Evaluate the latest open-source speech models and integrate the most promising approaches into our technology stack.

• Measure and validate your work through latency profiling, quality benchmarks, and listening tests.

• Collaborate closely with engineers and cross-functional teams in an agile environment.

The qualifications you need

• Hands‑on experience with speech technologies such as text-to-speech (TTS), speech-to-text (STT), real-time audio processing, or speech model inference.

• Familiarity with concepts such as audio codecs and speech tokenizers—or a strong machine learning and PyTorch background with the motivation to specialize in speech AI.

• Strong Python programming skills and the curiosity to explore unfamiliar technical challenges.

• A solid understanding of why low latency is critical for natural conversations and experience optimizing real‑time systems.

• Ideally, experience deploying speech AI models in commercial production environments.

• A collaborative mindset and experience working in agile teams.

What we can offer you

• The opportunity to shape the future of AI‑powered communication in an innovative company with a clear vision.

• Flat hierarchies, short decision‑making paths, and the freedom to contribute ideas and work with the latest technologies.

• A modern office at Bremen's Europahafen with waterfront views.

• Company fitness, BusinessBike, and access to our company boat.

• Funding for the e‑learning courses of your choice to support your professional development.

• Regular knowledge sharing through internal meetups and participation in AI and technology events.

• Exciting international customers across a wide range of industries.

• A competitive salary and employee participation program.

• 30 days of annual leave and flexible part‑time options.

• High‑end hardware, height‑adjustable desks, and multi‑monitor workstations.

• A family‑friendly culture that supports work‑life integration and has been officially recognized as a family‑friendly employer.