Rlhf Data Jobs

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2d ago

Senior Data Scientist - Advanced GenAI & Agentic Systems

Tiger Analytics Inc. Malvern, PA

Malvern, PA

2d ago

Full time Senior Agentic Ai Ai Ml

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Job Description

Tiger Analytics Inc. offers significant career development opportunities as the company grows. Join a small, fast-growing, challenging and entrepreneurial environment that emphasizes individual responsibility. This onsite role in Malvern, PA is for a Senior Data Scientist specializing in GenAI and agentic systems to design, develop, and deploy state-of-the-art Generative AI and multi-agent solutions for Investment, Banking, and Financial Services clients, including asset management, wealth management, and contact center operations.

Benefits

Significant career development opportunities exist as the company grows
Opportunity to be part of a small, fast-growing, challenging and entrepreneurial environment with a high degree of individual responsibility

Responsibilities

Apply the latest data science techniques to address business problems
Collaborate directly with client stakeholders to translate business problems into high-level analytics designs
Design, build, and deploy advanced retrieval augmented generation pipelines using semantic chunking, hybrid search with dense plus BM25, and cross-encoder re-ranking models
Develop autonomous multi-agent workflows with ReAct loops, native tool calls, complex state management, and deterministic circuit breakers
Develop parameter-efficient fine-tuning and alignment methods for large language models (PEFT, LoRA, QLoRA, RLHF, DPO)
Translate complex enterprise challenges into scalable AI architectures and technical prototypes
Explain architectural trade-offs and system designs to senior client stakeholders, including RoPE vs ALiBi, MoE routing, and Pre/Post-LN considerations
Lead deep-dive workshops on LLM evaluation and system safety, covering RAG Triad, LLM as a Judge, guardrails, and prompt injection defense
Implement AI models with hands-on coding, knowing when to bypass heavy framework abstractions (for example LangChain or LlamaIndex as needed)
Conduct large-scale data extraction, transformation, and analysis using expert-level SQL and Python
Partner with asset management, wealth management, and banking teams to translate operational requirements into AI architecture designs
Present insights and architectures to senior stakeholders and help drive AI strategy discussions

Requirements

8 to 10 years of professional work experience with at least 5 years in Data Science
Proficiency in Python and SQL
8 to 12 years of hands-on experience in applied Data Science, Machine Learning, and Artificial Intelligence
Strong domain experience in Banking & Financial Services, specifically Asset and Wealth Management; backgrounds in Insurance or Contact Center AI/Analytics are highly considered
Deep theoretical and practical knowledge of NLP foundations, Transformer architectures (Multi-Head Self-Attention, Positional Encodings), and vector space mathematics
Proven hands-on experience building and deploying Agentic AI solutions and managing complex agent state across directional graphs
Expert-level proficiency in Python and SQL; this is a purely hands-on, Individual Contributor role requiring heavy daily coding
Experience configuring and optimizing Vector Databases (e.g., HNSW, IVFFlat indexing)
Location: US-based, Malvern, PA or Dallas, TX preferred

Technologies

Python
SQL
LangChain
LlamaIndex
ReAct loops
RAG pipelines
BM25
Cross-encoder re-ranking models
PEFT
LoRA
QLoRA
RLHF
DPO
RoPE
ALiBi
MoE routing
Pre-LN
Post-LN
HNSW
IVFFlat

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