Senior Machine Learning Engineer
hace 2 meses
Company Overview:
Lean Tech is a rapidly expanding organization situated in Medellín, Colombia. We pride ourselves on possessing one of the most influential networks within software development and IT services for the entertainment, financial, and logistics sectors. Our corporate projections offer a multitude of opportunities for professionals to elevate their careers and experience substantial growth. Joining our team means engaging with expansive engineering teams across Latin America and the United States, contributing to cutting-edge developments in multiple industries.
We are seeking a skilled Senior Machine Learning Engineer with expertise in Large Language Models (LLMs) and audio processing to join our innovative team at Lean Solutions Group. This role involves designing, developing, and deploying advanced voice-based AI solutions to enhance customer experiences within our call center. You will leverage your proficiency in speech recognition, Natural Language Processing (NLP) technologies, and real-time streaming to create sophisticated voice bots that automate interactions seamlessly. As a key contributor, you will integrate LLMs into scalable, high-performance systems, work alongside cross-functional teams, and constantly explore the latest machine learning advancements to ensure our solutions remain cutting-edge. Embrace this opportunity to transform customer service through AI-driven innovation.
Location : Hybrid
What you will be doing:
- Design and deploy advanced voice bots using Large Language Models (LLMs) to handle customer queries in real-time during voice calls, enhancing customer interactions.
- Develop and optimize ML models for real-time audio and speech analysis, focusing on speech recognition, speaker identification, and sentiment analysis to improve accuracy and effectiveness.
- Apply audio signal processing techniques to enhance voice quality, including noise cancellation, speech enhancement, and voice activity detection to ensure clarity in conversations.
- Collaborate with cross-functional teams, including product managers and data scientists, to define technical requirements and improve model performance through real-world feedback.
- Continuously monitor and optimize voice bot performance, implementing real-time feedback mechanisms to maintain high customer satisfaction and accurate response rates.
- Stay informed about the latest advancements in machine learning, LLMs, and voice technology, ensuring the integration of cutting-edge solutions into our AI systems.
Requirements & Qualifications
To excel in this role, you should possess:
- Bachelor’s or Master’s degree in Computer Science, Machine Learning, Artificial Intelligence, or a related field.
- 4 years of experience as a Machine Learning Engineer or in a similar role.
- Advanced proficiency in Large Language Models (LLMs) for developing conversational AI and handling complex customer service requests.
- Expertise in audio processing and speech technologies, including ASR (Automatic Speech Recognition), TTS (Text-to-Speech), speech-to-text, and text-to-speech conversion.
- Intermediate proficiency in Python and relevant machine learning libraries such as TensorFlow, PyTorch, or Keras.
- Experience with audio processing libraries like librosa and Pydub, and tools such as Kaldi, DeepSpeech, or SpeechBrain.
- Advanced experience in Natural Language Processing (NLP) for tasks including intent recognition, entity extraction, and sentiment analysis.
- Familiarity with real-time streaming and latency optimization for voice communication.
- Experience with cloud platforms like AWS, Azure, or Google Cloud, particularly for speech processing services.
- Familiarity with call center technologies and customer service automation tools (preferred).
- Strong problem-solving skills and the ability to work in a fast-paced, team-oriented environment.
- Excellent communication skills for explaining complex technical topics to non-technical stakeholders.
Nice to have
- Familiarity with call center automation tools and technologies for enhanced customer service efficiency.
- Experience with cloud platforms, including AWS, Azure, or Google Cloud, especially for deploying speech processing services.
- Understanding of real-time streaming technologies for optimizing latency in voice communications.
- Proficiency in additional audio processing libraries like librosa and Pydub for advanced signal processing tasks.
- Knowledge of additional deep learning frameworks beyond TensorFlow, PyTorch, or Keras.
- Experience with building and managing scalable systems with large language models (LLMs).
- Strong collaboration and communication skills for effective teamwork and stakeholder engagement.
Soft skills
- Exceptional problem-solving skills and an analytical mindset, crucial for developing and optimizing AI-driven solutions for customer service enhancements.
- Ability to thrive in a fast-paced, collaborative environment, working with cross-functional teams to deliver innovative voice-based AI solutions.
- Excellent communication skills, essential for translating complex technical concepts into accessible information for non-technical stakeholders.
- Strong leadership capabilities to guide project execution and mentor team members in advanced ML techniques and strategies.
- Dedication to enhancing customer experiences through AI and automation, reflecting a passion for pioneering advancements in machine learning and voice technologies.
Why you will love Lean Tech
- Join a powerful tech workforce and help us change the world through technology.
- Professional development opportunities with international customers.
- Collaborative work environment.
- Career path and mentorship programs that will lead to new levels.
Join Lean Tech and contribute to shaping the data landscape within a dynamic and growing organization. Your skills will be honed, and your contributions will play a vital role in our continued success. Lean Tech is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
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