Senior Full Stack Engineer (AI/LLM Platform) at Kasisto

New York, New York, United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

FinTech, AIIndustries

Requirements

Expertise in Frontend: React (hooks, routing, state management), TypeScript (strict mode), Material-UI, Vite
Expertise in Backend: FastAPI, async Python, REST API design, Pydantic validation
Expertise in Database: PostgreSQL, schema design, migrations, vector search
Expertise in AI/LLM: LangChain, LangGraph, RAG workflows, multi-LLM orchestration
Expertise in Infrastructure: Docker, Kubernetes, Helm, Kong Gateway, RabbitMQ, Redis
Expertise in Security: OAuth2/OIDC, Keycloak, API authentication
Expertise in Testing: Vitest/Jest, Playwright, pytest, CI/CD pipelines
Nice to have: Experience with Java-based legacy systems or modernization projects
Nice to have: Familiarity with enterprise compliance (SOC2, GDPR, FedRAMP)
Nice to have: Background in multi-tenant SaaS or large-scale distributed systems

Responsibilities

Design and implement scalable full stack applications using React, TypeScript, and FastAPI
Build backend microservices in Python with SQLAlchemy and PostgreSQL (including vector extensions)
Develop and orchestrate LLM workflows using LangChain and LangGraph, integrating multi-provider models (OpenAI, Anthropic, Google)
Implement RAG patterns, embedding pipelines, and vector search for intelligent knowledge retrieval
Optimize application performance, reliability, and security across Docker/Kubernetes environments
Collaborate with AI researchers, product managers, and UX teams to deliver intuitive, production-grade AI experiences
Uphold testing, observability, and CI/CD best practices across the stack
Contribute to system design discussions, documentation, and technical roadmap decisions

Skills

React

TypeScript

FastAPI

Python

SQLAlchemy

PostgreSQL

LangChain

LangGraph

OpenAI

Anthropic

Google

RAG

Docker

Kubernetes

Material-UI

Vite

Pydantic

Kasisto

Conversational AI solutions for banking services

About Kasisto

Kasisto provides conversational AI solutions tailored for the banking and financial services sector. Its main product, KAI, is a digital experience platform that uses advanced AI to create personalized and insightful conversations between financial institutions and their customers. KAI can handle various banking tasks, such as answering questions and processing transactions, making customer interactions more efficient and human-like. Unlike many competitors, Kasisto focuses specifically on the needs of banks and credit unions, offering a SaaS model that allows clients to subscribe for continuous access to the platform and its updates. The goal of Kasisto is to enhance customer engagement and operational efficiency for financial institutions, helping them thrive in a digital-first environment.

New York City, New YorkHeadquarters

2013Year Founded

$79.3MTotal Funding

SERIES_CCompany Stage

Fintech, AI & Machine LearningIndustries

51-200Employees

Benefits

Medical: Comprehensive healthcare benefits for all employees and their dependents

Dental & Vision: Dental Insurance and Vision Care Coverage for all employees and their dependents

Life Insurance: Company-paid Life Insurance

401K: Access to a 401K provider

Time Off: Generous PTO policy, plus paid company holidays

Lifestyle: Stay healthy with nutritious snacks, drinks, and meals. Get to know your team better and enjoy fun company-sponsored events, lectures, wellness activities, and sports leagues.

Risks

Emerging fintech startups may increase competition and erode Kasisto's market share.

Rapid AI advancements require continuous R&D investment, straining financial resources.

Data privacy concerns and regulatory scrutiny could impact operations and client trust.

Differentiation

Kasisto's KAI platform is tailored for the banking and financial services industry.

KAI leverages AI research from SRI International for high-quality, scalable interactions.

Kasisto offers a no-code AI platform, enabling easy integration for financial institutions.

Upsides

Kasisto raised $90 million, indicating strong investor confidence and growth potential.

Partnerships with LinkLive and Moxo enhance customer engagement and streamline interactions.

Recognition as a Top 10 Most Innovative AI Company boosts Kasisto's market reputation.

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