Principal AI Architect

Posted 15 Days Ago
Hiring Remotely in California, USA
Remote
150K-170K Annually
Senior level
Artificial Intelligence • Consulting
The Role
Build production-grade LLM applications (agentic chatbots, semantic search, RAG systems), fine-tune foundation models, implement RAG and agent architectures, integrate AI assistants with systems, design evaluation/governance pipelines, collaborate with cross-functional teams, and mentor junior data scientists.
Summary Generated by Built In

It's fun to work in a company where people truly BELIEVE in what they are doing!

We're committed to bringing passion and customer focus to the business.

Fractal is a strategic AI partner to Fortune 500 companies with a vision to power every human decision in the enterprise. Fractal is building a world where individual choices, freedom, and diversity are the greatest assets; an ecosystem where human imagination is at the heart of every decision. Where no possibility is written off, only challenged to get better. We believe that a true Fractalite is the one who empowers imagination with intelligence. Fractal has been featured as a Great Place to Work by The Economic Times in partnership with the Great Place to Work® Institute and recognized as a ‘Cool Vendor’ and a ‘Vendor to Watch’ by Gartner.

Please visit Fractal | Intelligence for Imagination for more information about Fractal.
Job Title: Principal AI Architect

Key Responsibilities:

  • 8+ years of overall experience with a minimum of 4 years in production GenAI / LLM systems (shipped, maintained, and scaled — not prototype or research) 
  • Deep expertise in LLM orchestration frameworks — LangChain, LangGraph, LlamaIndex, or equivalent agentic systems 
  • Proven track record designing and deploying RAG pipelines, multi-agent architectures, and LLM-powered analytics or decision-support workflows 
  • Strong Python proficiency; solid backend engineering fundamentals including REST API design, async patterns, and containerized deployment 
  • Sufficient fluency in data science, ML, and BI concepts to reason about analytical accuracy, data quality, and the reliability of model outputs 
  • Demonstrated ability to work in fast-moving, ambiguous environments where requirements evolve and scope is not always fixed at the start 
  • Strong first-principles thinking — able to evaluate trade-offs, challenge assumptions, and design systems that are defensible and modular 
  • US-based; PST or MST timezone required (Sunnyvale / Bay Area strongly preferred) 
  • Master's degree or higher in Computer Science, Artificial Intelligence, Data Science, or a related technical field preferred 

Preferred Qualifications 

  • Hands-on experience with Model Context Protocol (MCP) or building on agent-native enterprise platforms 
  • Background in analytics, BI, or data product development — understanding the domain where AI meets enterprise reporting and decision-making 
  • Prior experience in a consulting or client-embedded delivery model, operating in matrixed organizations with distributed teams 
  • Certifications in LLM or cloud AI platforms (AWS Bedrock, Azure OpenAI, Anthropic / Claude, Google Vertex AI, etc.) 
  • Experience with LLMOps tooling — LangSmith, MLflow, Weights and Biases, or equivalent 

Why Join Fractal Analytics?

Opportunity to work on impactful projects and develop scalable solutions for our clients which are some of the world’s most valuable companies

Learn and grow with a diverse, high-performing team building cutting edge AI, ML and Engineering solutions

Competitive compensation and benefits, with opportunities for professional growth and development.

Pay:

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Fractal, 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. A reasonable estimate of the current range is: $150,000 to $170,000 Yearly. In addition, you may be eligible for a discretionary bonus for the current performance period.

Benefits:

As a full-time employee of the company or as an hourly employee working more than 30 hours per week, you will be eligible to participate in the health, dental, vision, life insurance, and disability plan in accordance with the plan documents, which may be amended from time to time. You will be eligible for benefits on the first day of employment with the Company. In addition, you are eligible to participate in the Company 401(k) Plan after 30 days of employment, in accordance with the applicable plan terms. The Company provides 11 paid holidays and 12 weeks of Parental Leave. We also follow a “free time” PTO policy, allowing you the flexibility to take the time needed for either sick time or vacation.

Fractal provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Hiring Related Queries

India: [email protected]

Outside India: [email protected]

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Skills Required

  • Strong experience with LLMs (e.g., GPT-4, LLaMA, Claude, PaLM) and frameworks like Hugging Face, LangChain, LlamaIndex, or Haystack
  • Experience fine-tuning foundation models for domain-specific tasks
  • Experience implementing Retrieval-Augmented Generation (RAG) frameworks and enterprise retrieval systems
  • Experience implementing agent-based/agentic architectures for autonomous task execution
  • Proficiency in Python and ML libraries (PyTorch, TensorFlow, scikit-learn)
  • Experience with cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes)
  • Familiarity with MLOps practices and tools for model deployment and monitoring
  • Strong grounding in NLP techniques (embeddings, vector databases, text classification, summarization, QA)
  • Proven track record delivering scalable GenAI solutions in enterprise environments
  • Strong problem-solving and communication skills; ability to translate business requirements into technical solutions
  • Experience mentoring or providing technical guidance to junior data scientists
  • Master's or PhD in Computer Science, AI, Data Science, or related field
  • Experience deploying GenAI solutions in a B2B enterprise or consulting environment
  • Familiarity with vector databases (FAISS, Pinecone, Weaviate, Chroma) and hybrid search strategies

Fractal Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Fractal and has not been reviewed or approved by Fractal.

  • Healthcare Strength Health coverage includes medical, dental, and vision along with tax‑advantaged accounts and EAP in the U.S., indicating a broad core package. Feedback suggests core protections exist across regions, though specifics can vary by location.
  • Leave & Time Off Breadth Time‑off programs include generous PTO, paid holidays and sick time, paid volunteer time, and sabbaticals in some areas. Some accounts also describe manager‑approved or flexible PTO approaches alongside hybrid/WFH latitude.
  • Flexible Benefits Work arrangements commonly include remote/hybrid options and flexible schedules. Flexibility is frequently highlighted as part of the overall value proposition.

Fractal Insights

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The Company
HQ: New York, NY
5,262 Employees

What We Do

Fractal is one of the most prominent players in the Artificial Intelligence space. Fractal's mission is to power every human decision in the enterprise and brings AI, engineering, and design to help the world's most admired Fortune 500® companies. Fractal's products include Qure.ai to assist radiologists in making better diagnostic decisions, Crux Intelligence to assists CEOs, and senior executives make better tactical and strategic decisions, Theremin.ai to improve investment decisions, and Eugenie.ai to find anomalies in high-velocity data & Samya.ai to drive next-generation Enterprise Revenue Growth Management. Fractal has more than 3,000 employees across 16 global locations, including the United States, UK, Ukraine, India, Singapore, and Australia. Fractal has consistently been rated as India's best companies to work for, by The Great Place to Work® Institute, featured as a leader in Customer Analytics Service Providers Wave™ 2021, Computer Vision Consultancies Wave™ 2020 & Specialized Insights Service Providers Wave™ 2020 by Forrester Research, and recognized as an "Honorable Vendor" in 2021 Magic Quadrant™ for data & analytics by Gartner.

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