Senior Full-Stack Software Engineer (JavaScript)

- Build full-stack and SPA TypeScript applications ranging from experiments to flagship products

- Collaborate on product decisions and communicate technical constraints and considerations

- Own and collaborate on technology/architecture decisions and conventions

- Teach and learn from the team and the broader organization via mentorship, code review, knowledge sharing, etc.

- Self-sufficiently manage project priorities, estimates, and deliverables

- At least five years of direct experience building commercial web applications in JavaScript/TypeScript

- At least three years of that experience working directly on web UIs in a modern framework

- At least one domain of deep technical expertise (e.g., web performance, design systems, framework knowledge, etc.)

- Product sense, or a strong interest in developing it

- Kind, thoughtful, and high-signal communication skills for both technical and non-technical audiences

- Ability to translate ambiguous needs and constraints into clear technical requirements

- Development : TypeScript, React, Next.js, Tailwind, LangGraph, AI SDK, Drizzle

- Ops : Git, GitHub, Amazon EKS, AWS, Sentry, Langfuse, Prometheus

At Kensho, we pride ourselves on providing top-of-market benefits, including:

- Medical, Dental, and Vision insurance

- 100% company paid premiums

- Unlimited Paid Time Off

- 26 weeks of 100% paid Parental Leave (paternity and maternity)

- 401(k) plan with 6% employer matching

- Generous company matching on donations to non-profit charities

- Up to $20,000 tuition assistance toward degree programs, plus up to $4,000/year for ongoing professional education such as industry conferences

- Plentiful snacks, drinks, and regularly catered lunches

- Dog-friendly office (CAM office)

- Bike sharing program memberships

- Compassion leave and elder care leave

- Mentoring and additional learning opportunities

- Opportunity to expand professional network and participate in conferences and events