Sr.

Engineer, AI Applications Location:

San Jose, CA (On-site) Ayar Labs is shattering AI data bottlenecks by moving data at the speed of light. As pioneers of co-packaged optics (CPO), we are using light instead of electricity to move data faster, further, and with a fraction of the energy needed to fuel the explosive growth of AI models. Backed by industry giants like NVIDIA, AMD, Mediatek and Intel and manufactured in partnership with the world's leading semiconductor ecosystem, Ayar Labs' co-packaged optics solution is key to unleashing next-generation AI scale-up architectures. This AI Application Engineer is a builder who turns AI into tools our Ayar Labs employees actually use. You will design, build, and deploy tools that put AI directly into the hands of engineering, operations, and business teams who know their own work, but aren't software or AI specialists. This is a self-motivated individual contributor role for someone with hands-on experience who can take a vague request and turn it into a working, reliable tool. You will partner closely with stakeholders across the business, and with the rest of IT, to build AI-powered tools that will actually move the needle. Beyond building, you will help shape the standards, processes, and infrastructure this new AI function uses to grow, leveraging modern DevOps tooling alongside LLM and AI APIs to ship solutions that hold up in production. Essential Functions Be the Go-To for

AI Tooling:

Serve as a primary builder for AI-powered internal tools, turning requests from across the company into scoped, working solutions.

Design and Ship AI-Powered Applications:

Build the apps, dashboards, services, and interfaces that put AI capabilities directly in front of users, so they can get their work done without needing to understand how the AI works.

Integrate LLM and AI APIs:

Connect tools such as OpenAI, Anthropic, Gemini, or open weight models into real company workflows and data sources, so the AI is doing useful work rather than sitting in a demo. Own the

Infrastructure Behind It:

Build and maintain the pipelines, containerized deployments, infrastructure automation, and monitoring these tools run on, so what you ship keeps working after launch. Support the

People Using What You Build:

Troubleshoot issues directly with users, and drive adoption through documentation and training people will actually use. Track the

AI Landscape:

Evaluate new AI tools, platforms, and vendors for opportunities which fit our company needs.

Required Qualifications Education:

Bachelor's degree in computer science, software engineering, electrical engineering, computer engineering, mathematics, physics, or another STEM or engineering field.

Experience:

2+ years in software engineering, DevOps, or platform engineering. Strong independent projects, internships, or open-source contributions are encouraged to apply.

AI/LLM Application Experience:

Hands-on experience working across model APIs - Anthropic, OpenAI, Gemini, and open weight models - building a range of AI-powered tools such as chat and assistant interfaces, document processing and summarization, workflow automation, or code-generation tooling.

Agentic Tooling & Judgment:

Experience building AI skills that can be shared across teams and the organization, and MCP (Model Context Protocol) servers that support technical users. Sound judgment on when to rely on the tools already built into major frontier model apps and when it's worth building something custom instead.

Cross-Functional Communication:

Strong written and verbal skills, with the ability to translate a request from someone outside software or AI into a working tool.

Track Record of Shipping:

A history of building internal tools or applications that other people actually use, not coursework or personal experiments alone.

Self-Direction:

Comfortable operating without an existing playbook, and motivated by the chance to help write one.

Programming Fluency:

Working proficiency in Python, plus at least one of JavaScript/TypeScript, Go, or a similar modern language.

DevOps Fundamentals:

Comfort with the tools that keep applications running in production - version control, CI/CD, containerization and orchestration, infrastructure-as-code, and monitoring. Cloud platform experience (AWS, Azure, or Google Cloud Platform) is a plus.

Preferred Qualifications Security & IP Awareness:

Thoughtful about data handling, access control, and IP protection when introducing AI tools into a company that guards sensitive engineering and manufacturing data A master's or other postgraduate degree is preferred..

Evaluation and Guardrails:

Experience testing and evaluating AI-powered features, and building in the guardrails that keep them reliable and safe for internal users.

Deep-Tech Background:

Prior experience at a hardware, semiconductor, or deep-tech company, or another environment with highly technical, non-software users.

Salary range:

$150,000 - $192,000 NOTE

TO RECRUITERS

Principals only. We are not accepting resumes from recruiters for this position. Remuneration for recruiting activities is only applicable subject to a signed and executed agreement between the parties. Please don't send candidates to Ayar Labs, and do not contact our managers. Ayar Labs is an Equal Opportunity Employer and is strongly committed to all policies which will afford equal opportunity employment to all qualified persons without regard to age, sex, national origin, race, color, ethnicity, creed, religion, gender identity, sexual orientation, disability, veteran status, or any other characteristic protected by law. It is the policy of Ayar Labs to provide reasonable accommodation when requested by a qualified applicant or employee with a disability, unless such accommodation would cause an undue hardship. Veterans are more than welcome and encouraged to apply.