LivePerson

Conversational AI that’s anything but artificial. Fast Company named us the #1 Most Innovative AI Company in the World.

Data Scientist II

Data ScientistData ScientistFull TimeRemoteTeam 1,001-5,000Since 1995H1B SponsorCompany SiteLinkedIn

Location

United States

Posted

7 days ago

Salary

$120K - $145K / year

Postgraduate Degree2 yrs expEnglishPythonSQL

Job Description

• Propose, plan, and execute applied research initiatives that will make a real-world impact on Conversational AI using Large Language Models (LLMs) within a commercial setting. • Use expert knowledge of Transformer architecture mechanics (Attention, Tokenization, Embeddings) to consistently find the most effective, efficient, stable, explainable, and elegant prompting and orchestration approaches. • Utilize modern LLM inference and retrieval pipelines. • Analyze large scale conversational datasets for RAG (Retrieval-Augmented Generation) optimization. • Bring research-inspired prompt strategies to life within production systems. • Create durable, flexible scientific evaluation and experimentation capabilities for non-deterministic model outputs. • Present findings on model behavior and context efficacy in ways that inform and guide business and product strategy. • Work closely with other scientists. • Stay current with the rapidly evolving state of Generative AI.

Job Requirements

  • Requires a Master's degree in Computer Science, Artificial Intelligence, Computational Linguistics, Operations Research, Industrial Engineering, or a directly related field plus two (2) years of experience as a data scientist.
  • Must have two (2) years of experience in the following (experience may be gained concurrently):
  • Programming experience in Python
  • Developing and designing Large Language Model (LLM) interaction flows, evaluation frameworks, or advanced prompting strategies
  • Partnering with engineering teams to deploy GenAI/LLM solutions into production
  • Must have one (1) year of experience in the following (experience may be gained concurrently):
  • Experience with Generative AI, including Large Language Models, Prompt Engineering, Retrieval Augmented Generation (RAG), and Semantic Search/Vector Databases
  • Researching and implementing advanced prompting techniques, such as Chain-of-Thought or Few-Shot prompting
  • Experience with dialogue systems and context management
  • Hands on experience with LLM Orchestration Frameworks, such as LangChain / LangGraph
  • Experience with Transformer architectures, specifically understanding Attention mechanisms, Context Windows, and Tokenization constraints
  • Experience with SQL

Benefits

  • Medical, Dental, and Vision Insurance: Comprehensive plans to support your health needs.
  • Wellness Resources: Access to wellbeing resources and programs including our EAP plan.
  • Health & Mental Support: Access a confidential and free Employee Assistance Program (EAP), providing professional counseling.
  • 401(k) Retirement Plan: To help you plan for your financial future by offering both the plan and a 4% employer match (100% match on the first 3% contribution and 50% match on the next 2% contribution)
  • HSA & FSA Plans: To help you plan for health related expenses on a pre-tax basis
  • Employee Stock Purchase Program (ESPP): Participate and receive a discount on company shares, allowing you to directly share in LivePerson's success and growth.
  • Additional Insurances: Basic and supplemental life insurance, Accidental Death & Dismemberment (AD&D) insurance, long-term and short-term disability insurance coverage, legal plan, identity theft protection plan, and critical illness supplemental insurance.
  • Development: Access to internal professional development resources.
  • Flexible Paid Time Off (PTO): Discretionary PTO package for flexible days off with manager approval.
  • Paid Public Holidays.
  • Generous Parental Leave Policy: Including maternity/paternity support and fertility services.
  • Remote-First Model: This role is fully remote, offering excellent work-life balance and flexibility.

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