LLM Algorithm Tech Lead – Applied Large Language Model Systems at Plaid

San Francisco, California, United States

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Not SpecifiedCompensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Artificial Intelligence, TechnologyIndustries

Requirements

5–10 years of experience in LLM/NLP/AI
Strong prompt engineering and reasoning design skills
Proven ability to deliver LLM-powered features into production
Experience with RAG and knowledge-enhanced reasoning
Strong architectural thinking and system design skills
Strong communication and leadership capabilities
Knowledge of memory systems or personalization engines
Experience building eval frameworks or safety systems
Experience leading technical teams
Experience in foundational model algorithm design or efficiency optimization
Exposure to multimodal or large-scale distributed systems

Responsibilities

Design structured reasoning pipelines, planning flows, chain-of-thought workflows
Build capability primitives such as memory, personalization, proactive insights
Develop modular and reusable intelligence components
Lead the design and deployment of LLM-based product functionality
Ensure output reliability, consistency, safety, and user-centric alignment
Apply prompting, constraints, and reasoning structures to reduce hallucination
Build and optimize multi-hop, multi-source retrieval pipelines
Implement chunking, indexing, reranking, and retrieval evaluation
Ensure RAG improves factuality and reduces error rates
Select appropriate model families based on capability and cost constraints
Develop routing logic for hybrid model usage
Collaborate with engineering to optimize latency, cost, and scalability
Work closely with product, engineering, and data stakeholders
Define evaluation frameworks and monitoring pipelines
Troubleshoot production issues and lead algorithm-level improvements

Skills

Key technologies and capabilities for this role

LLMLarge Language ModelsAlgorithm DesignReasoning PipelinesChain-of-ThoughtMemory SystemsPersonalizationProactive InsightsIntelligence ArchitectureProduction IntegrationAI Systems

Questions & Answers

Common questions about this position

What is the work location or arrangement for this role?

The position is hybrid.

What is the salary or compensation for this position?

This information is not specified in the job description.

What skills and experience are required for this role?

Candidates need 5–10 years of experience in LLM/NLP/AI, strong prompt engineering and reasoning design skills, and proven ability to deliver LLM-powered solutions.

What is the company culture like at Plaud?

Plaud offers a culture that champions continuous learning and fast career development, with passionate teammates who value innovation, collaboration, and customer success in a vibrant, creativity-fueled work atmosphere.

What makes a strong candidate for this Tech Lead position?

A strong candidate has 5–10 years in LLM/NLP/AI, excels in prompt engineering and reasoning design, and has proven experience delivering LLM-powered products, with skills in RAG, model optimization, and cross-functional collaboration.

Plaid

Connects financial accounts to apps securely

About Plaid

Plaid simplifies financial data management for individuals and businesses by connecting various financial accounts to apps and services. Its main product is a set of APIs that allow developers to integrate financial data into their applications, enabling users to track spending, initiate payments, and access financial services all in one place. Plaid serves a wide range of clients, including app developers and financial institutions, and is used by popular apps like LendingTree and Square. Unlike many competitors, Plaid focuses on providing a comprehensive and scalable platform that supports various financial use cases, such as transactions and identity verification. The company's goal is to enhance the way users interact with their financial data, making it easier and more secure.

San Francisco, CaliforniaHeadquarters

2013Year Founded

$714.3MTotal Funding

SERIES_DCompany Stage

Fintech, Financial ServicesIndustries

1,001-5,000Employees

Benefits

We've got you covered: From medical, life, and 401ks, we’re here to support your physical, mental, and financial wellbeing.

Everyone is an owner: We want everyone to feel ownership over their work - literally, which is why we offer equity to full-time Plaids.

Vacation your way: We want to make sure you have time to meet your personal needs with unlimited PTO and two weeks of synchronous, company-wide vacation.

Grow your skills: Every Plaid is in control of their career development with our learning stipends, tools, and trainings.

Risks

Increased competition from API-based banking solutions like FIS's Code Connect platform.

Potential legal challenges, such as PNC's lawsuit over trademark issues.

Demand for enhanced transparency and security in financial data sharing.

Differentiation

Plaid offers seamless financial data integration through robust APIs for diverse clients.

Plaid's Pay by Bank for Bill Pay provides a cost-effective recurring payment solution.

Plaid's strategic partnerships enhance its value proposition in payroll and payment sectors.

Upsides

Plaid's expansion into the Triangle area indicates growth and increased hiring potential.

Partnership with Dwolla enhances Plaid's presence in the secure payments sector.

Collaboration with Ansa expands market reach through pay-by-bank capabilities for merchants.

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