AI engineer

Writer; San Francisco (CA); Hybrid; USD 180,000 - 250,000; Full time

Benefits offered by this job

Generous PTO

Medical, dental, and vision coverage

Parental leave

Fertility and family planning support

Galleri cancer testing

Flexible spending accounts

HSA with company contribution

Annual stipends for wellness and L&D

Stock options and 401k

Job summary

WRITER is seeking an AI Engineer to shape enterprise AI applications, focusing on production-grade ML systems, LLMs, and trustworthy AI.

You’ll build scalable AI solutions that empower hundreds of enterprise customers, drive performance, and ensure ethical alignment across the platform. This hybrid role supports SF/NYC/Seattle hubs and reports to the Head of AI Engineering.

Qualifications

• 5+ years in production ML/AI systems
• Proficiency in Python and ML frameworks (PyTorch, TensorFlow, JAX)
• Strong ML, DL, and NLP knowledge (LLMs)
• Experience with cloud platforms and MLOps tools
• Write clean, tested code for scalable systems

Responsibilities

• Architect, develop, and deploy AI applications at scale
• Advance intelligent agents and AI-powered features for customers
• Collaborate with researchers, data scientists, and product managers
• Evaluate emerging AI technologies and tools
• Champion responsible AI practices (bias, explainability, safety)

Skills

Python

ML frameworks

NLP/LLMs

Cloud platforms

Clean code

Tools

PyTorch

TensorFlow

JAX

AWS

GCP

Azure

Job description

About WRITER

WRITER is the AI platform built for the world’s most ambitious marketing and revenue teams, bringing the frontier of AI to the people who drive enterprise growth. With WRITER, autonomous agents work across the buyer journey, continuously executing on market signals and enterprise intelligence to grow revenue faster. Every agent action and asset is grounded in trust, built on an Enterprise Brain that unites brand, product, and company knowledge with fiduciary-grade governance and compliance.

Fortune 500 companies are transforming how they go to market with WRITER, including 3 of the top 5 US banks, 2 of the 5 largest global CPG conglomerates, and 4 of the top 5 US healthcare insurers. Founded in 2020, WRITER is backed by investors including Insight Partners, ICONIQ, Radical Ventures, Premji Invest, Balderton, B Capital, Salesforce Ventures, Adobe Ventures, Accenture, Citi Ventures, IBM Ventures, WndrCo, and others. Learn more at WRITER.com.

About the role

As an AI engineer at WRITER, you'll be at the forefront of shaping how enterprises harness superintelligence. This isn't just about theory; you'll be building tangible AI solutions that power the future of work for hundreds of the world's leading companies. Your work will directly impact the performance, scalability, and ethical alignment of our cutting-edge LLMs and AI agents, enabling businesses to unlock unprecedented levels of productivity and innovation with AI that is truly grounded in their data.

This role can be hybrid in our San Francisco, New York City, or Seattle hubs. You'll report to the head of AI engineering.

What you'll do

• Architect, develop, and deploy high-performance, scalable AI applications into production environments, ensuring robust integrations with our end-to-end platform.

• Drive the development of intelligent agents and AI-powered features, translating complex research into practical, impactful solutions for our customers.

• Collaborate closely with research scientists, data scientists, and product managers to define technical requirements and deliver features that address critical business needs.

• Contribute to the research and evaluation of emerging AI technologies, frameworks, and tools to maintain WRITER's leadership in the enterprise generative AI space.

• Champion responsible AI practices, including bias detection, explainability, and safety alignment, making sure our AI is trustworthy and ethical.

What you need

• 5+ years of professional experience building and deploying machine learning or AI systems in a production environment.

• Proficiency in Python and experience with relevant AI/ML frameworks such as PyTorch, TensorFlow, or JAX.

• A strong foundation in machine learning principles, deep learning architectures, and natural language processing, particularly with large language models.

• Experience with cloud platforms (e.g., AWS, GCP, Azure) and MLOps tools for managing the AI lifecycle.

• Demonstrated ability to write clean, efficient, and well-tested code for scalable software systems.

• Exceptional problem-solving skills and a passion for tackling complex technical challenges with creative AI solutions.

• You Connect by collaborating seamlessly across diverse teams, Challenge the status quo to innovate, and Own your projects with a commitment to impact and excellence.

Benefits & perks (US Full-time employees)

• Generous PTO, plus company holidays

• Medical, dental, and vision coverage for you and your family

• Paid parental leave for all parents (16 weeks)

• Fertility and family planning support

• Early-detection cancer testing through Galleri

• Flexible spending account and dependent FSA options

• Health savings account for eligible plans with company contribution

• Annual work-life stipends for:

  • Wellness stipend for gym, massage/chiropractor, personal training, etc.

  • Learning and development stipend

• Company-wide off-sites and team off-sites

• Competitive compensation, company stock options and 401k

WRITER is an equal-opportunity employer and is committed to diversity. We don't make hiring or employment decisions based on race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other basis protected by applicable local, state or federal law. Under the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

By submitting your application on the application page, you acknowledge and agree to WRITER's Global Candidate Privacy Notice.