Develop backend software for APIs collaborate with teams on architecture and implementation maintain software and conduct code reviews. Requires experience in SaaS applications and effective communication skills.

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.
As a Backend Software Engineer II on Basis you will develop the software behind our reliable secure and performant APIs. You will collaborate with colleagues from Machine Learning Product and Infrastructure as well as with other engineers within the Applications team. You have experience deploying production code in highly scalable distributed systems. You are a thoughtful deliberate technologist and share your knowledge generously.
Kensho states that the anticipated base salary range for the position is 130k-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:

• Design develop test document deploy maintain and improve software.
• Work with key stakeholders to develop system architectures API specifications implementation requirements and complexity estimates.
• Test assumptions through instrumentation and prototyping.
• Promote ongoing technical development through code reviews and knowledge sharing.

What You'll Need:

• At least two years of direct experience developing SaaS applications within a team.
• Thoughtful and efficient communication skills (both verbal and written).
• Experience developing SaaS application backends and APIs using a variety of tools.
• Experience working across many stages of the software development lifecycle.
• Experience turning abstract business requirements into concrete technical plans.
• Sound reasoning about the behavior and performance of loosely-coupled systems.
• Proficiency with algorithms (including time and space complexity analysis) data structures and software architecture.

Technologies & Tools We Use:

• FastAPI Django Python PostgreSQL OpenSearch
• Git Jsonnet Jenkins Amazon EKS
• Celery RabbitMQ Kafka
• Prometheus Grafana Sentry

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 $20000 tuition assistance toward degree programs plus up to $4000/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: 328045
Posted On: 2026-05-12
Location: New York New York United States