Senior Full Stack Engineer | AI/SaaS | Hybrid in SF at Forethought

Launched in 2018, Forethought offers the world’s most advanced AI agents for CX — enterprise-ready and built for every customer moment. Handling billions of monthly interactions for leading companies like Upwork, Grammarly, Airtable, and Datadog, Forethought’s AI agents think, act, and improve — delivering better customer experiences and scalable business impact.

We are tackling a $400B+ market opportunity, and we’re assembling a world-class team to help us get there. We are seeking dedicated and talented Full Stack Engineers with a growth mindset, engineers who thrive on solving complex challenges and want to help shape the future of AI-driven customer support.

As a Senior Full Stack Engineer at Forethought, you will design and build AI-powered products that transform the customer support experience. You’ll develop features that help support teams find answers faster, automate complex workflows, and deliver exceptional customer experiences. Our modern tech stack includes React.js, TypeScript, FastAPI, and MongoDB. As a key member of our early engineering team, you’ll work closely with Design, Product, and Backend teams to turn complex challenges into elegant, intuitive solutions. You’ll own the frontend architecture, write clean and maintainable code, and develop reliable integrations with REST APIs.

What a typical week may look like at Forethought:

• Build and maintain core product features using React and TypeScript

• Modify and extend behavior of back-end code using Python

• Work with other engineers to develop an API endpoint

• Work with the design team to develop a pixel-perfect interface

• Help think of new features and product ideas

• Test and launch your code to the world's largest companies

• Iterate and do it all over again

What we value and look for in a forward-deployed engineer:

• Required 5+ years experience in front end or full stack development

• Proficiency with JavaScript, HTML, CSS, and React

• Strong coding ability; able to work in large codebases with fluency

• Solid grasp of computer science, algorithms and data structures

• Past work building web applications in a real world setting

• Detailed ability to implement pixel-perfect UI from pixel-perfect mockups

• "Full-stack" mentality; Python experience is a bonus

• Adaptable, humble, and interested in making an impact

• Bachelor's in Computer Science or related field

Tech Stack:

React, TypeScript, FastAPI, Python, MongoDB

Location

Hybrid in SF - 2 x week in office

Why Forethought:

• A fast-paced and collaborative environment

• Build category-defining products

• Work with world class talent (Facebook, Dropbox, LinkedIn, Google)

• A chance to be an early member of the team with equity to match

• Make an impact and help make everyone a genius at their job

• Medical, dental, and vision coverage

• Unlimited PTO policy

If you’re interested in building thoughtful, production-grade software in an AI-driven product environment, we’d love to hear from you.

The salary range, $170,000-$200,000, reflects the target for new hire base salaries; final offers are tailored to the candidate's specific location, years of experience, and job-related competencies.