At Wispr Flow, we're building voice intelligence that truly understands you. Our team of designers, AI researchers, and engineers is crafting voice interfaces that are both useful and ubiquitous, paving the way for a future where voice-first experiences replace screen-first technologies.

Our first product, Wispr Flow, has become the first consumer voice dictation platform to break the keyboard barrier: making people use voice more than their keyboards.

Wispr Flow is looking for an experienced ML scientist to take ownership of training, fine-tuning, RL, and inference for our ML models and launch new features and product lines. If you like being at the bleeding edge of AI, diving in the internals of models, and building highly performant inference systems, this role is for you.

Our values

High agency: Take initiative to solve problems that you see. We make decisions quickly, and disagree and commit to move forward as a team
Open communication: Lean into debate, discussion, and uncomfortable conversations. We maintain integrity and say the things that are hard to say because we trust one another and assume other people have good intentions
User obsessed: Design technology that makes people's experience more natural and seamless. We really care about building an exceptional user experience
Detail-focused: Exceptional outcomes come from exceptional attention to detail - down to every interaction and every pixel

What You’ll Do

Push the frontiers: Innovate across multi-modal models to solve key challenges across latency, hallucinations, context-awareness, personalization, and inference
Improve the core voice / agentic AI models: Drive key improvements across all models and interfaces, ensuring excellence in performance and usability
Collaborate across teams: Work closely with the founders and product engineers to push the boundaries of what’s possible
Build for scale: Architect fast, reliable, and scalable inference that handle massive audiences effortlessly

Who You Are

You've published seminal research / have a PhD
Deep understanding of LLMs and transformer-based architectures
Have a voracious and intrinsic desire to learn and fill in missing skills
Thrive in a customer-focused, tight-knit and cross-functional environment
Expertise in Python (2+ years)
Experience with ML / scientific frameworks: TensorFlow, Keras, Numpy, Scipy, Pandas
Love to build (we don’t have requirements for any academic degree)

Experience in any of the following will make you stand out

ML inference, multi-modal models, RL / DPO, fine-tuning, audio, async programming, low-level systems, data pipelines
Large-scale and high-load production systems
Implementation of advanced methods for efficient fine-tuning
Maintaining or contributing to open-source ML projects
Managing machine learning workloads on Kubernetes clusters

What We Provide

High-velocity innovation: Rapid experimentation, lean autonomous teams, and minimal bureaucracy
End-to-end ownership: Lead ML initiatives from concept to massive scale
Flexible & remote-friendly: We trust you to manage your time and projects effectively
Top-tier team: Collaborate with some of the brightest minds in AI, engineering, and design

How To Apply
We’re excited to meet you! Here’s how to stand out:

Share your work: Portfolio, GitHub, or projects that highlight your skills
Write a quick note: Tell us why this role excites you and how you’ll bring your ML and engineering expertise to our team

We've raised $26M from top-tier VCs like NEA, 8VC, and Neo. Our angels and advisors include Chester Chipperfield (launched the first Apple Watch), Arash Ferdowsi (CTO, Dropbox), and Will Ahmed (CEO, Whoop). Our founders are Stanford alums and have previously sold a company and run a team at a deep tech startup with over 100M in funding.

We take care of our full-time employees:

Generous health, dental, and vision coverage
Generous parental leave, unlimited PTO (we encourage taking days off!)
Visa assistance
401k match
Commuter benefits
Relocation assistance

At Wispr, diversity is important to us.

At Wispr, we believe that true innovation starts with people from diverse backgrounds coming together, bridging ideas, and collaborating. Wispr is proud to be an Equal Employment Opportunity employer and is committed to providing an environment of mutual respect where employment opportunities are available to all applicants and teammates without regard to race, color, religion, sex, pregnancy (including childbirth, lactation, and related medical conditions), national origin, age, physical and mental disability, marital status, sexual orientation, gender identity, gender expression, genetic information (including characteristics and testing), military and veteran status, and any other characteristic protected by applicable law.

The compensation band is an estimate and depends on experience. In addition to this base compensation, your offer will include stock options, benefits, and relocation reimbursements.

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