Kensho Technologies
We make data discoverable, useful, and valuable in enabling fact-based decisions.

Machine Learning Engineer II

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Kensho is a Machine Learning (ML) and Natural Language Processing (NLP) company, centered around providing cutting-edge solutions to meet the challenges of some of the largest and most successful businesses and institutions. We are owned by S&P Global and operate independently. Our toolkit illuminates insights by helping the world better understand, process, and leverage messy data. Specifically, Kensho’s solutions largely involve speech recognition (ASR), entity linking (NED), structured document extraction, automated database linking, text classification, and more.

The NLP team at Kensho Technologies is at the forefront of designing and applying cutting-edge machine learning in the domains of natural language processing, natural language interfaces, and information retrieval paradigms over some of the richest and most complex financial and market datasets in the world. We are continuously expanding our portfolio of projects and are looking for passionate researcher-engineers to help us build and deploy state-of-the-art ML systems!

Recently RAG-based systems that integrate structured and unstructured data are at the core of our team's projects. These solutions are integrated into the S&P Global platforms, providing users with the ability to find and analyze complex financial data efficiently.

The NLP team works closely with the Data, Product, Design, Backend & Frontend teams, and has the full support of our ML Ops and Infrastructure teams.

We are seeking a ML Engineer II to help accelerate and improve our ML development cycle, continually raising standards of prototyping, building, and maintaining SOTA ML solutions.

At Kensho, we believe in flexibility-first, and give our employees the opportunity to work from where they feel most productive and engaged (must be in the United States). We also value in-person collaboration, so there may be times when travel to one of our Kensho hubs (e.g., Cambridge, MA or NYC) will be required for team meetings or company events.

Kensho states that the anticipated base salary range for the position is 150k - 200k. 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:

  • Work closely with Data, Product, Design, and Engineering teams to design and develop Large Language Model (LLM)-based systems that integrate structured and unstructured data, ensuring the delivery of innovative ML solutions that meet customer needs
  • Solve unique challenges around LLM-orchestration, such as data access patterns, memory and context management, and conducting thorough evaluations
  • Actively participate in all stages of the ML lifecycle, from problem framing and data exploration to model experimentation, deployment, and monitoring in production, ensuring the continuous improvement and optimization of our ML solutions
  • Work with unique, proprietary data from both unstructured and structured datasets, applying advanced NLP techniques to extract insights and build solutions that drive business value
  • Work closely with Product and Design teams to build ML-based solutions that enhance user experiences and meet business objectives
  • Collaborate closely with the ML Operations team to create automated solutions for managing the entire ML systems lifecycle, from initial technical design to seamless implementation

What You'll Need:

  • Bachelor's degree or higher in Computer Science, Engineering, or a related field
  • 3+ years of significant, hands-on industry experience with machine learning, natural language processing (NLP), and information retrieval systems, including designing, shipping, and maintaining production systems
  • Strong proficiency in Python
  • Experience with natural language generation or code generation and familiarity with evaluative processes
  • Experience working with machine learning libraries/frameworks for Large Language Model (LLM) orchestration, such as Langchain, Semantic Kernel, LLamaIndex, etc
  • Proven experience building ML pipelines for data processing, training, inference, maintenance, evaluation, versioning, and experimentation
  • Demonstrated effective coding, documentation, collaboration, and communication habits
  • Strong problem-solving skills and a proactive approach to addressing challenges
  • Ability to adapt to a fast-paced and dynamic work environment

Technology You'll Encounter:

  • ML: PyTorch, Transformers, HuggingFace, LangChain, Semantic Kernel
  • Tools/Toolkits: Weights & Biases, DVC, LabelBox
  • Techniques: RAG, Tool Utilization, Information Retrieval, Prompt Management, Fine-tuning
  • Deployment: Airflow, Docker, Kubernetes, Jenkins, AWS

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 


About Kensho

Kensho is an Artificial Intelligence company that builds solutions to uncover insights in messy and unstructured data that enable critical workflows and empower businesses to make decisions with conviction.


Kensho was founded in 2013 and was acquired by S&P Global in 2018. Kensho continues to operate as a startup in order to maintain our distinct, independent brand and to promote our breakthrough, innovative culture. Our team of Kenshins enjoy a dynamic and collaborative work environment that runs autonomously from S&P Global, while leveraging the unparalleled breadth and depth of data and resources available as part of S&P Global. As Kenshins, we pride ourselves on maintaining an innovative culture that depends on diversity and inclusion.


We are an equal opportunity employer that welcomes future Kenshins with all experiences and perspectives. Kensho is headquartered in Cambridge, MA, with offices in New York City, and Washington D.C. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.


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What are Kensho Technologies Perks + Benefits

Kensho Technologies Benefits Overview

At Kensho, we want you to feel comfortable bringing your whole self to work. This starts with providing best-in-class and innovative benefits to empower you to be your best self at both work and at home. With an emphasis on stability, flexibility, and support -- Kensho will be with you throughout all facets of your life. This includes a range of outstanding benefits, such as Unlimited Paid Time Off, 100% Employer-Paid Health Benefits, 26 Week Paid Parental Leave, and a 6% Employer Match on your 401(k) contributions.

Volunteer in local community
Twice a year, during a sponsored Collaboration Week, Kenshins gather to volunteer locally and give back to the community.
Partners with nonprofits
OKR operational model
Team based strategic planning
Pair programming
Open office floor plan
Flexible work schedule
Remote work program
Documented equal pay policy
Dedicated diversity and inclusion staff
Highly diverse management team
Mandated unconscious bias training
Diversity manifesto
Diversity employee resource groups
Kensho supports People Resource Groups to foster a safe space and community for our people across diverse business and cultural backgrounds.
Hiring practices that promote diversity
We work to broaden Kensho’s diversity by recruiting candidates from groups that are underserved in tech, specifically women and people of color.
Health Insurance + Wellness
Flexible Spending Account (FSA)
Disability insurance
Dental insurance
100% Employer-Paid Dental Benefits.
Vision insurance
100% Employer-Paid Dental Benefits.
Health insurance
100% Employer-Paid Dental Benefits.
Life insurance
Pet insurance
Wellness programs
Mental health benefits
Financial & Retirement
401(K) matching
6% 401(k) Employer Match.
Company equity
Performance bonus
Charitable contribution matching
Child Care & Parental Leave
Childcare benefits
Generous parental leave
26 Week Paid Parental Leave.
Family medical leave
Adoption Assistance
Vacation + Time Off
Unlimited vacation policy
Generous PTO
Kensho is a flexibility-first company offering unlimited PTO to encourage our employees to disconnect wherever, whenever and however they choose.
Paid volunteer time
Paid 10-Week Earned Sabbatical.
Paid holidays
Paid sick days
Office Perks
Commuter benefits
Company-sponsored outings
Free snacks and drinks
Some meals provided
Kensho provides weekly lunch on Thursdays.
Company-sponsored happy hours
Kensho provides weekly happy hours on Friday afternoons.
Pet friendly
Kensho offers Dog-Friendly Offices and PAW-Rental Leave.
Fitness stipend
Generous Wellbeing Reimbursements for a wide range of health and fitness services
Home-office stipend for remote employees
Professional Development
Job training & conferences
Tuition reimbursement
Kenshins have access to Continual Learning Benefits, Tuition Reimbursement, and Student Loan Support.
Lunch and learns
Promote from within
Mentorship program
Continuing education stipend
Continuing education available during work hours
Customized development tracks

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