

Machine Learning Engineer
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Machine Learning Engineer with a contract length of "unknown" and a pay rate of "unknown." Key skills include expertise in speech-focused ML architectures, experience with ASR and TTS systems, and proficiency in PyTorch or TensorFlow.
π - Country
United States
π± - Currency
$ USD
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π° - Day rate
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ποΈ - Date discovered
August 1, 2025
π - Project duration
Unknown
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ποΈ - Location type
Unknown
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π - Contract type
Unknown
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π - Security clearance
Unknown
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π - Location detailed
Dallas-Fort Worth Metroplex
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π§ - Skills detailed
#Model Optimization #Transformers #Python #ML (Machine Learning) #Libraries #Signal Processing #API (Application Programming Interface) #Agile #HBase #TensorFlow #AI (Artificial Intelligence) #Automatic Speech Recognition (ASR) #Scala #Embedded Systems #Deployment #PyTorch #"ETL (Extract #Transform #Load)"
Role description
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This role focuses on applying advanced machine learning and audio processing techniques to solve complex, real-world problems with meaningful user impact. If you enjoy working with speech, text, and multimodal data and thrive in a fast-paced, highly collaborative environment, weβd love to connect.
Key Responsibilities
β’ Design and develop a conversational AI assistant powered by large language models (LLMs) for embedded systems.
β’ Benchmark and evaluate voice-native models (e.g., Moshi, SesameAI) for performance in automotive contexts.
β’ Fine-tune foundational models for speech-based tasks with domain-specific adaptation.
β’ Build API layers for controlling vehicle systems via natural language interfaces.
β’ Implement performance optimizations tailored to the Qualcomm SA8255P hardware platform.
β’ Maintain and enhance Python-based frameworks for audio preprocessing, model orchestration, and deployment on edge devices.
β’ Conduct architecture analysis, model benchmarking, and performance tuning.
β’ Manage the full ML lifecycle: data prep, feature engineering, model experimentation, and production readiness.
β’ Contribute to Agile teams by prototyping, building, and iterating on models that translate into scalable solutions.
Minimum Qualifications
β’ 3+ years of professional experience in machine learning and AI product development.
β’ Strong expertise in voice-to-voice systems and speech-focused machine learning architectures.
β’ Experience with speech recognition (ASR) and text-to-speech (TTS) systems using Transformer models.
β’ Proficient in model optimization for edge deployments, including quantization and hardware-aware tuning.
β’ Solid grounding in digital signal processing and acoustic modeling for audio inputs.
β’ Practical knowledge of PyTorch or TensorFlow and related audio libraries (e.g., TorchAudio, Librosa).
β’ Familiarity with Huggingface Transformers and distributed training pipelines.
β’ Understanding of multimodal learning and fusion techniques (e.g., cross-modal attention).
β’ Experience designing and implementing training pipelines for large-scale model experimentation.
β’ Comfortable working with complexity, performance constraints, and ambiguous problem sets.
β’ Proven problem solver with a bias for execution and experimentation.
β’ Effective communicator and collaborator across product, engineering, and research functions.
β’ Ability to work independently while driving results within a cross-functional team.