Speech Processing Engineer

Sigma AI

Speech Engineer developing advanced speech-based systems at Sigma AI. Collaborating with teams to enhance AI capabilities in speech processing and natural language understanding.

Posted 5/14/2026full-timeMadrid • 🇪🇸 SpainMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

DockerKerasLinuxPythonPyTorchTensorflow

About the role

Key responsibilities & impact

Research and evaluate state-of-the-art modeling techniques in speech processing
Design, conduct and analyze experiments in speech-related tasks (e.g., ASR, speaker recognition, diarization, TTS)
Develop experimental prototypes and production-ready components in Python
Lead or contribute to data collection, curation, and preprocessing strategies
Collaborate closely with multidisciplinary teams to translate research into deployable solutions

Requirements

What you’ll need

3+ years of experience as a Speech engineer working in at least one of the following areas: ASR, Speaker Verification, TTS, or Diarization
Strong experience with deep learning for speech and audio systems, including model training, evaluation, and optimization
Comfortable working across the full pipeline: data, modeling, evaluation and deployment
Be extremely motivated to learn
Linux environments and command line tools
Python
Pytorch
Tensorflow/Keras
Kaldi
pyannote-audio
Huggin Face
Git
Docker

Benefits

Comp & perks

Flexible work arrangements
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

speech processingASRspeaker recognitiondiarizationTTSdeep learningmodel trainingmodel evaluationmodel optimizationdata preprocessing

Soft Skills

collaborationmotivation to learn