Why AssemblyAI

AssemblyAI builds the best-in-class Voice AI models powering the next generation of voice applications. Our models serve 600M+ inference calls monthly, process 1M+ hours of audio daily, and power 2 billion+ end-user experiences. The Voice AI space is at an inflection point; we’re looking for folks truly excited to join a small team and help define the future of the industry.

We are one of the most capital-efficient AI companies on the planet - with under 100 people generating roughly $500K ARR per employee, we sit among the top 5 most revenue-dense teams within the fastest-growing AI companies today. That's not an accident; it's a deliberate choice to stay lean, move fast, and give every person on the team outsized ownership and impact. With thousands of customers including Granola, Fireflies, Figure AI, and CallRail, the company has real scale - processing over 2 million hours of audio daily and handling more than 1 million API calls every day. This is a rare growth-stage opportunity where the business is proven and the trajectory is steep, but the team is still small enough that your fingerprints are on everything.

If you've ever felt buried under layers of bureaucracy, starved of real ownership, or frustrated watching your work disappear into a slow-moving org, AssemblyAI is built differently. The company operates as a true meritocracy, with no heavy planning or approval processes and no gatekeeping on the tools or information you need. For anyone who genuinely cares about voice AI, not as a trend to chase, but as a technology to build, this is the place where the most interesting problems at the most interesting scale are being solved by a team small enough that you'll actually know everyone's name.

We’re committed to creating a space where our employees can bring their full selves to work and have equal opportunity to succeed. No matter your race, gender identity or expression, sexual orientation, religion, origin, ability, age, veteran status, if joining this mission speaks to you, we encourage you to apply!

About the Role:

We're looking for an Applied AI Engineer to join our team at the intersection of cutting-edge AI research and real-world customer applications. This is a highly dynamic, customer-facing technical role where you'll build demos, troubleshoot production issues, and help customers implement our Speech AI models in creative and impactful ways.

You'll be working directly with developers and technical teams at companies ranging from early-stage startups to enterprise organizations. Your days will involve rapid context-switching between building prototypes for new use cases, debugging urgent customer issues, and collaborating with our Sales, Success, Engineering, Product, and Research teams to ensure customers succeed with our platform.

This role requires strong technical skills, excellent communication abilities, and the creativity to solve novel problems under time pressure. You'll be empowered to use AI tools and modern development practices to deliver solutions quickly and effectively.

What You’ll Do:

Customer-Facing Technical Work (60%)

Guide customers through their entire product journey —from initial implementation and technical onboarding, through development and testing, all the way to production deployment. Continue to provide support post-launch to ensure their implementation is performing optimally and meeting their business objectives
Build custom demos and prototypes that showcase how AssemblyAI's models can solve specific customer use cases
Lead technical discovery sessions with prospects and customers to understand their requirements and design optimal implementations
Assist with competitive evaluations by providing benchmarks, designing fair comparison tests, and helping customers evaluate our models against alternatives. Work closely with customers to ensure they have the data and support needed to make informed decisions
Troubleshoot production issues for customers using our streaming and async APIs, sometimes requiring you to debug code in languages you may not use daily (Java, Go, Ruby, etc.)
Provide technical guidance on architecture, scaling, data privacy, and best practices for integrating our APIs
Create proofs-of-concept that demonstrate the "art of the possible" with Speech AI
Travel to customer sites for technical workshops, implementation support, and relationship building with key accounts

Internal Collaboration & Product Influence (30%)

Serve as the voice of the customer to our Product and Research teams —test and dogfood new products and features before they reach customers, providing feedback from a practitioner's perspective. Advocate for improvements and new capabilities based on real-world use cases you encounter, ensuring our roadmap aligns with customer needs
Contribute to documentation, guides, and example code that help developers integrate our APIs more effectively
Identify patterns in customer issues and work with Engineering to address root causes (SDK improvements, better error messages, new features)
Collaborate with Sales and Success teams to ensure smooth handoffs and consistent customer experience
Participate in team off-sites to align on strategy, share learnings, and build team cohesion

Innovation & Thought Leadership (10%)

Stay current on AI/ML developments , particularly in speech recognition, NLP, and audio processing
Experiment with new use cases and applications of our models
Build and maintain an open-source repository of demos, integrations, and reference implementations
Represent AssemblyAI at conferences and industry events , delivering talks or running workshops when appropriate

What You’ll Need:

Required

Located in or willing to relocate to New York City or San Francisco
4+ years of customer-facing experience in highly technical environments, requiring strong software engineering skills , including roles such as Solutions Architect, Developer Advocate, Technical Solutions Engineer, or equivalent
Strong programming skills in Python and/or TypeScript/JavaScript , with the ability to read and debug code in other languages
Excellent written and verbal communication skills —you'll be writing customer emails, internal documentation, and technical guides regularly
Experience with web APIs, WebSockets, and real-time data streaming
Understanding of audio fundamentals (sample rates, encoding formats, codecs) or willingness to learn quickly
Ability to leverage AI tools creatively to move quickly —proficiency with tools like Claude, Cursor, Windsurf, or similar AI-assisted development tools to accelerate prototyping, debugging, and problem-solving
Problem-solving mindset —you can debug unfamiliar codebases, identify root causes, and propose creative solutions
Comfort with ambiguity and fast-paced work —you'll often be the first line of defense on novel problems
Ability and willingness to travel domestically and internationally as needed (approximately 10-25% of the time)

Preferred

Experience in a startup or high-growth environment
Understanding of cloud infrastructure (AWS, GCP, Azure) and deployment patterns
Experience building prototypes or MVPs quickly
Public speaking or conference presentation experience

What Makes You Stand Out

You're independently driven and competitive —you take ownership of customer outcomes, push yourself to deliver exceptional results, and are motivated by the challenge of solving hard problems and winning customer trust
You can balance technical depth with customer empathy —you understand when to dive into the details and when to step back and explain concepts simply
You thrive under pressure and can context-switch between building a demo, debugging a production issue, and answering technical questions on a sales call
You're resourceful and self-directed —you know when to use AI tools, when to consult documentation, and when to ask for help
You have a "get it done" mentality and are comfortable wearing many hats
You're genuinely curious about AI and excited to see how customers apply our models in unexpected ways
You enjoy building relationships with customers and representing AssemblyAI in person
You're excited about being part of a tech hub (NYC or SF) and leveraging proximity to customers and the AI community

Location & Travel Expectations

Primary Location: This role is designed for candidates based in New York City or San Francisco. While AssemblyAI is a remote-first company, these locations position you closer to:

A high concentration of our customers and prospects
Major AI/tech conferences and events
Your team members and cross-functional collaborators

New York City Office: We have an office in NYC that's available for team members who want to work in-office, meet with local customers, or collaborate with colleagues. You're welcome to work from the office as much or as little as suits your working style.

Travel Requirements: This role requires periodic travel, which may include:

Customer on-sites for technical workshops, implementation planning, or troubleshooting sessions with key accounts (many in NYC and SF, but also across North America and occasionally Europe or other global locations)
Industry conferences and events to represent AssemblyAI, stay current on AI developments, and build relationships in the developer community (both domestic and international)
Team off-sites (typically 2-3 times per year) to collaborate with the broader team, align on strategy, and build relationships with your remote colleagues

We estimate travel will represent approximately 10-25% of your time , though this may vary based on customer needs and business priorities.

Pay Transparency

AssemblyAI strives to recruit and retain exceptional talent from diverse backgrounds while ensuring pay equity for our team. Our salary ranges are based on paying competitively for our size, stage and industry, and are one part of many compensation, benefits and other reward opportunities we provide.

There are many factors that go into salary determinations, including relevant experience, skill level and qualifications assessed during the interview process, and maintaining internal equity with peers on the team. The range shared below is a general expectation for the function as posted, but we are also open to considering candidates who may be more or less experienced than outlined in the job description. In this case, we will communicate any updates in the expected salary range.

Lastly, the provided range is the expected salary for candidates in the U.S. Outside of those regions, there may be a change in the range, which again, will be communicated to candidates.

Salary range: $150,000 - $250,000 OTE

AI to Interview:

If you’re selected for an interview, please review this resource to better understand how AssemblyAI approaches the use of AI in our interview process.

GDPR privacy notice:

Candidates from the EU should review this job applicant privacy notice before applying.

Keep Exploring AssemblyAI:

Speech-to-text | Streaming speech-to-text | Speech Understanding | LLM Gateway
Try the Playground
Our $50M Series C fundraise
Check us out on YouTube!

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