Looking for a **Founding Fullstack Engineer** in **SF or Chicago**. Must have experience in **TypeScript/JavaScript, React, Python web development, API integration, Terraform, AWS**. Strong interest in **generative AI**. Highly collaborative; excellent communication and problem-solving skills. **Develop features using Python, React, Redux, Typescript**; work closely with backend team. On-site only; no visa sponsorship. **Salary: $90k-$200k**.

At Letter AI, we are revolutionizing the way sales enablement is done. Our generative AI powered platform enables sales teams to build and maintain all the content their sales reps need to close deals, 10x faster and with half the operational overhead. For the first time ever, sales teams can use a unified platform to train and coach their reps, empower them with personalized and interactive content to engage customers, and improve their win rates.Within just a few weeks of launching, we’ve onboarded leading companies like Lenovo and Redpanda as our first customers and received funding from the world’s best venture capital firms, including Y Combinator and Pioneer Fund.

Founder & CEO

Letter AI (YC S23)

We are looking for a full-stack engineer to join our team as one of our first
engineering hires. You will play a pivotal role in shaping the company, our
culture, and our platform. You will fully own critical customer features powered
by the latest advances in generative AI.

Ali Akhtar

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Founding Engineer - Full Stack 

We are looking for a full-stack engineer to join our team as one of our first engineering hires. You will play a pivotal role in shaping the company, our culture, and our platform. You will fully own critical customer features powered by the latest advances in generative AI.

Proven experience working with TypeScript/JavaScript, React, Python web development, API integration

Past experience or strong interest in generative AI

Familiarity with database fundamentals and infrastructure management using Terraform and AWS

Highly collaborative mindset with strong communication and problem-solving skills.

Knowledge of automated UI testing frameworks

About Letter AI

Letter AI is the world's first unified revenue acceleration platform powered natively by generative AI. Our platform empowers sales teams at customers like Lenovo and Redpanda to ramp up faster with AI-powered training and coaching, instantly find and personalize collateral for customers, and engage their buyers with the industry's first AI Sales Room. We've raised $2.7M in seed funding from top-tier VC firms, including Y Combinator, Formus Capital, Soma, Pioneer Fund, and TechNexus. We are now scaling to $1M+ ARR and looking for a founding team to join us on the adventure 📈



The Role

We are looking for a full-stack engineer to join our team as one of our engineering first hires. You will play a pivotal role in shaping the company, our culture, and our platform. You will fully own critical customer features powered by the latest advances in generative AI.



Your key responsibilities will include:

Develop high-performance, responsive customer features in Python, React, Redux, and Typescript
Implement LLM-powered features across multiple modalities: text, image, video, audio
Collaborate closely with the backend team to ensure smooth integration and contribute to architectural decisions
Understand customers needs and use that knowledge to improve the user experience.


Qualifications for the role include:

3+ years of experience in full-stack software development
Proven experience working with TypeScript/JavaScript, React, Python web development, API integration
Familiarity with database fundamentals and infrastructure management using Terraform and AWS
Knowledge of automated UI testing frameworks
Past experience or strong interest in generative AI
Highly collaborative mindset with strong communication and problem-solving skills.


As a part of the team at this early stage, you will not only receive competitive salary and benefits, but also a meaningful equity stake in the company.



How We Operate

At Letter AI, we want you to be unapologetically you while operating with our core principles in mind:



Customer-obsessed: Make your customers unreasonably happy and everything else will fall into place
Ambitious and practical: Set big goals, but stay grounded with disciplined execution and ruthless prioritization
Direct and kind: Never hold back from speaking your mind, but do so in a way that is kind to your colleagues
Driven and humble: Push for excellence and deliver fast, but keep your humility


Join us on this exciting journey to build the world's next generational sales tech company. We look forward to hearing from you!

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