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Kensho is S&P Global’s hub for AI innovation and transformation. With expertise in machine learning, natural language processing, and data discovery, we develop and deploy novel solutions to innovate and drive progress at S&P Global and its customers worldwide. Kensho’s solutions and research focus on business and financial generative AI applications, agents, data retrieval APIs, data extraction, and much more.
At Kensho, we hire talented people and give them the autonomy and support needed to build amazing technology and products. We collaborate using our teammates’ diverse perspectives to solve hard problems. Our communication with one another is open, honest, and efficient. We dedicate time and resources to explore new ideas, but always rooted in engineering best practices. As a result, we can innovate rapidly to produce technology that is scalable, robust, and useful.
Kensho’s Applications group develops the web apps and APIs that deliver Kensho’s AI capabilities to our customers. Our teams are small, product-focused, and intent on shipping high-quality code that best leverages our efforts. We’re collegial, humble, and inquisitive, and we delight in learning from teammates with backgrounds, skills, and interests different from our own.
Our App Experiences team focuses on breathing life into novel ML capabilities, translating them into valuable and intuitive end-user experiences. We collaborate closely with our Product and Design teams to understand user needs, looking for creative applications and delivery mechanisms of our technology. We demo early and often, and we keep a tight iteration loop. We sweat the details when it comes to UX.
As a Full-Stack Software Engineer II, you will build AI-centric web applications in TypeScript ranging from experimental POCs to full-fledged product offerings. You’ll work with the team to understand trade-offs and make technical and architectural decisions. You’ll aim for high iteration velocity and optimize for learning. The ideal candidate loves product and views technology as a means, not an end, and is excited to gain familiarity with all aspects of the software development lifecycle.
Kensho states that the anticipated base salary range for the position is 130 -175k. In addition, this role is eligible for an annual incentive bonus and equity plans. At Kensho, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case.
What You’ll Do
- Build full-stack and SPA TypeScript applications ranging from experiments to flagship products
- Collaborate on product decisions and communicate technical constraints and considerations
- Collaborate on technical decisions and conventions
- Quickly level up and learn from the team and the broader organization via mentorship, code review, knowledge sharing, etc.
- Manage project priorities, estimates, and deliverables
What You’ll Need
- At least three years of direct experience building commercial web applications in JavaScript/TypeScript
- At least two years of that experience working directly on web UIs in a modern framework
- At least one domain of interest to develop deep expertise (e.g., web performance, design systems, framework knowledge, etc.)
- Some interest in product design
- Kind and efficient communication skills for both technical and non-technical audiences
- Ability to deeply understand product and technical requirements
Technologies & Tools We Use
- 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
Recruitment Fraud Alert
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We are an equal opportunity employer that welcomes future Kenshins with all experiences and perspectives. Kensho is headquartered in Cambridge, MA, with an additional office location in New York City. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.
Job ID: 325005
Posted On: 2026-04-10
Location: Cambridge, Massachusetts, United States
