Ml PhD Internship (AI)

TL;DR

ML PhD Internship (AI): Conducting applied research and development tasks closely aligned with the core machine learning algorithms behind our Voice AI products, contributing to models, data pipelines, and evaluation. Focus on optimizing deep learning models for speech enhancement and related audio problems in a fast-paced startup environment.

Location: On-site in Berlin, Germany

Company

hirify.global is building the reliability layer for Voice AI, the system that closes the gap between raw audio input and reliable machine understanding in production.

What you will do

• Design, implement, train, evaluate, optimize, and deploy deep learning models for speech enhancement and related audio problems.
• Build, curate, and refine custom datasets and complex audio simulation pipelines for training and evaluation.
• Continuously improve internal tools, pipelines, and infrastructure to accelerate iteration and ensure reliability.
• Collaborate with sales and developer relations on case studies, documentation, demos, and technical content.

Requirements

• You are a PhD student or an exceptionally strong Master’s student, with demonstrated research experience and publications in relevant venues.
• Hands-on experience applying machine learning to audio and speech, with prior work on speech enhancement, source separation, ASR, TTS, speaker-related tasks, or closely related audio ML problems.
• Expert-level proficiency with PyTorch and its ecosystem as well as familiarity with cloud-based training setups, experiment tracking tools, and modern development practices.
• A startup mindset: You’re comfortable with ambiguity, proactive in open-ended settings, and motivated to work on practical machine learning problems in a fast-paced, product-driven environment.
• Must last at least 6 months.

Culture & Benefits

• Opportunity to work at a rapidly growing Voice AI startup, backed by top investors.
• Competitive salary package, additional benefits and stock options, enabling you to take part in the company’s success.
• Dynamic, fast-paced environment with passionate and collaborative colleagues.
• Groundbreaking startup at a pivotal growth stage, making a real difference in how people experience audio.
• Take full ownership of projects and ship fast.
• Work with a world-class team of engineers and builders with ample room for professional growth.