Kasisto AI · 2 months ago
Senior Full Stack Engineer (AI/LLM Platform)
New York
Full-time
Onsite
Senior LevelKasisto is the creator of KAIgentic, the leading conversational and agentic AI platform for financial institutions. They are seeking a Senior Full Stack Engineer to design, build, and scale the next generation of KAIgentic, integrating large language models and intelligent orchestration across channels.
Artificial Intelligence (AI)ComputerFinancial ServicesFinTechInformation TechnologySoftware
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
Qualification
Required
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
Frontend: React (hooks, routing, state management), TypeScript (strict mode), Material-UI, Vite
Backend: FastAPI, async Python, REST API design, Pydantic validation
Database: PostgreSQL, schema design, migrations, vector search
AI/LLM: LangChain, LangGraph, RAG workflows, multi-LLM orchestration
Infrastructure: Docker, Kubernetes, Helm, Kong Gateway, RabbitMQ, Redis
Security: OAuth2/OIDC, Keycloak, API authentication
Testing: Vitest/Jest, Playwright, pytest, CI/CD pipelines
Preferred
Experience with Java-based legacy systems or modernization projects
Familiarity with enterprise compliance (SOC2, GDPR, FedRAMP)
Background in multi-tenant SaaS or large-scale distributed systems
Benefits
Competitive compensation
Equity
Flexible remote work
Company
Kasisto AI
Founded in 2013, Kasisto is the global leader in purpose-built AI for banking.
Founded in 2013
11-50 employees
H1B Sponsorship
Kasisto AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2021 (2)
Funding
Current Stage
Late StageTotal Funding
$81.45MKey Investors
Napier Park Financial PartnersRho Capital PartnersOak HC/FT
2024-09-17Series D
2022-08-22Series C· $15.5M
2021-07-28Series C· $15.5M
Leadership Team
Lance Berks
Chief Executive Officer
Sasha Caskey
Chief Technical Officer and Co-Founder
Recent News
2025-11-19
2025-10-15
Company data provided by crunchbase