Senior Data Scientist (IC4)

Company: 6sense

Location: Remote

Our Mission:
6sense's mission is to multiply what matters: growth, retention, and efficiency. We envision a future where companies, teams, and people reach their full potential.

Our People:
People are the heart and soul of 6sense. We serve with passion and purpose, guided by our core values: Win as One Team, Stay Curious, Do The Right Thing, Own the Outcome, and Create Belonging. Every 6sensor plays a part in defining the future of our industry-leading technology. We are a place where difference-makers roll up their sleeves, take risks, act with integrity, and measure success by the value created for our customers. We strive to make 6sense the best chapter of your career.

About 6sense:
6sense is revolutionizing how B2B organizations create, manage, and convert pipeline to revenue. Our platform, powered by AI, big data, and predictive analytics, empowers revenue teams to identify buying intent, engage the right accounts, and drive growth.

The Opportunity:
We are looking for an experienced Senior Data Scientist (IC4) to join our growing AI and Data Science team. This is an exciting opportunity for an experienced Machine Learning practitioner who enjoys building production-grade AI systems and transforming cutting-edge research into impactful customer-facing products. You will work on advanced machine learning, Natural Language Processing (NLP), Large Language Models (LLMs), Agentic AI, and Generative AI (GenAI) applications that directly influence product innovation and customer outcomes.

What You'll Do:

• Design, build, and deploy scalable machine learning and AI solutions in production environments.
• Develop NLP and transformer-based systems for enterprise-scale applications.
• Build Agentic AI workflows leveraging frameworks such as LangGraph and LangChain.
• Own the end-to-end ML lifecycle, including: data exploration, feature engineering, model development, evaluation, deployment, and monitoring.
• Develop ranking, recommendation, classification, prediction, and optimization models.
• Partner closely with Product, Engineering, and Analytics teams to solve complex business problems.
• Improve the performance, scalability, reliability, and observability of production ML systems.
• Contribute to AI platform architecture and technical strategy.
• Mentor engineers and help elevate engineering excellence across the organization.

What We're Looking For:
Required Qualifications:

• 8+ years of experience building and deploying machine learning solutions in production.
• Strong foundation in Machine Learning, Statistics, and Applied Data Science.
• Experience with Supervised & Unsupervised Learning, Recommendation Systems, Ranking Models, and Predictive Modeling.
• Deep expertise in NLP, Transformers, Embeddings, Encoder-Decoder Architectures, and Retrieval-based Systems.
• Hands-on experience with GenAI ecosystems, including LangGraph, LangChain, and Amazon Bedrock.
• Strong Python programming skills.
• Experience building distributed ML systems and pipelines using AWS and Databricks.
• Strong understanding of feature engineering, model evaluation, and MLOps.
• Ability to independently solve ambiguous problems and drive execution.
• Strong product mindset with a focus on customer impact and business outcomes.

Preferred Qualifications:

• Experience building Agentic AI and Multi-Agent Systems.
• Experience with RAG Architectures, Vector Databases, and Prompt Engineering.
• Hands-on experience with PyTorch and/or TensorFlow.
• Prior experience in B2B SaaS or customer-facing AI products.

Compensation & Benefits:

• Base Salary Range: $162,923.67 - $238,954.71. The base salary range represents the anticipated low and high end for this position. Actual salaries may vary and may be above or below the range based on factors like work location and experience. The base salary is one component of 6sense’s total compensation package. Other compensation may include a bonus program or commission plan, and stock options.
• Benefits: Generous health insurance coverage, life and disability insurance, 401(k) employer matching program, paid holidays, quarterly self-care days off, paid time off (PTO), and stock options.
• Work Environment: We provide the equipment and support you need to work effectively. We foster a growth mindset culture with extensive learning and development opportunities, including access to LinkedIn Learning. Employee well-being is a priority, with wellness education sessions and events celebrating diversity.

Equal Opportunity Employer:
6sense is an Equal Employment Opportunity and Affirmative Action Employer. We value diversity and do not discriminate on any basis protected by law. If you require reasonable accommodation during the application process, please contact jobs@6sense.com.

We are aware of recruiting impersonation attempts. All official communications from 6sense will originate from the @6sense.com domain. We will never request payment.