Fullstack Software Engineer
Full-time
Remote
Siena AI
https://siena.cx
New York, NY
Founded:
2023
Technology, Information and Internet
Employees:
38
Posted Date:
05 October 2025
Company Details
Siena AI is the first-of-its-kind autonomous customer service platform designed for commerce. We combine human empathy with advanced LLM-powered automation to redefine how brands like K18, Kitsch, and Simple Modern engage with their customers. Streamlining customer interactions is at our core, enabling brands to autonomously handle customer service and Social Media chats in over 100 languages using generative AI. Our mission is to make exceptional customer experiences universally available and to tap into the boundless potential of human connection. As a result, brands that collaborate with us not only enhance their customer experience but also achieve efficiency, bolster loyalty, and optimize operational costs. Siena is making world-class experiences a norm while humanizing the internet.
Specialities
Highlights
INDUSTRIES
Technology, Information and Internet
SENIORITY LEVEL
Mid-Senior level
experience, years
3+ years
Software position
yes
Job function
Engineering and Information Technology
Core Tech Stack
Nice to have
Next.js, Python, event-driven architectures, Infra-as-code (Terraform, CDK), experience integrating with LLMs in production
RESPONSIBILITIES
Important info
Work on AI-powered customer support automation platform, globally distributed small team, focus on AI-first product, product-driven mindset, opportunity for equity or stock grants, learning budget, premium AI tool accounts provided
Siena AI
https://siena.cx
New York, NY
Founded:
2023
Technology, Information and Internet
Employees:
38