Full Stack Engineer, Conversational Interfaces

San Jose/ San Francisco Bay Area

interface.ai is the industry's-leading specialized AI provider for banks and credit unions, serving over 100 financial institutions. The company's integrated AI platform offers a unified banking experience through voice, chat, and employee-assisting solutions, enhanced by cutting-edge proprietary Generative AI.

Our mission is clear: to transform the banking experience so every consumer enjoys hyper-personalized, secure, and seamless interactions, while improving operational efficiencies and driving revenue growth.

interface.ai offers pre-trained, domain-specific AI solutions that are easy to integrate, scale, and manage, both in-branch and online. Combining this with deep industry expertise, interface.ai is the AI solution for banks and credit unions that want to deliver exceptional experiences and stay at the forefront of AI innovation.

About the Role

We’re looking for a Full Stack Engineer with a frontend focus to join the Sphere Digital team—our intelligent web assistant platform that helps users navigate financial services through seamless chat and digital experiences.

You’ll be responsible for building responsive, user-centric interfaces that make advanced AI capabilities intuitive and accessible. This role requires strong frontend expertise, a keen eye for interaction design, and the ability to integrate tightly with backend and AI systems that power natural, personalized, and context-aware conversations.

As a key contributor, you will play a central role in crafting experiences that blend intelligence, automation, and trust—powering millions of interactions across banks, credit unions, and their customers.

What you will do: 

  • Build and maintain modern, performant web interfaces using React (or equivalent), delivering high-quality experiences across desktop and mobile

  • Work across the stack to integrate frontend components with backend APIs, orchestration layers, and real-time messaging systems

  • Collaborate closely with designers and product managers to turn wireframes and prototypes into elegant, production-ready experiences

  • Design and implement frontend patterns, design systems, and reusable UI components that scale across use cases

  • Handle session management, personalization logic, and dynamic content rendering to support intelligent agent behavior

  • Optimize for accessibility, localization, responsiveness, and performance across browsers and devices

  • Contribute to backend services (Node.js/Python) as needed for integration, data modeling, or lightweight orchestration

 

What you will bring:

Required

  • 4+ years of professional experience in frontend or full stack engineering

  • Advanced proficiency with JavaScript/TypeScript and modern frameworks (React, Vue, etc.)

  • Deep understanding of HTML, CSS, accessibility (a11y), and responsive design principles

  • Experience consuming and designing REST/GraphQL APIs; comfort working with real-time data and WebSocket-style protocols

  • Strong product sensibility and empathy for UX, edge cases, and error states in interactive flows

  • Working knowledge of backend development (Node.js, Python, or similar)—especially for integrating data and services

Preferred

  • Experience with design systems, UI performance optimization, or complex state management (e.g., Redux, Zustand, XState)

  • Exposure to conversational UIs, AI interfaces, or chat-based products

  • Familiarity with analytics instrumentation, experimentation frameworks, or usage tracking

  • Prior work in B2B SaaS, fintech, or regulated environments


 Why Join Us

  • Help design the next generation of AI-first web interfaces, powering real-time assistance in financial services

  • Own experiences that shape trust, usability, and adoption of intelligent agents across diverse user bases

  • Join a product-first, fast-growing AI company where engineering craft meets design rigor and user empathy

  • Work with a highly collaborative team of engineers, designers, and AI researchers solving real-world interaction problems at scale

Compensation

Base compensation is expected to be between $165,000 - $190,000. Exact compensation may be based on skills and location with equity included.

Benefits

  • Health: medical, dental, and vision insurance and wellbeing resources and programs
  • Time away: Public holidays and discretionary PTO package for flexible days off with manager approval
  • Financial: 401K, ESPP, Basic life and AD&D insurance, long-term and short-term disability
  • Family: parental leave
  • Development: Access to internal professional development resources.

At interface.ai, we are committed to providing an inclusive and welcoming environment for all employees and applicants. We celebrate diversity and believe it is critical to our success as a company. We do not  discriminate on the basis of race, color, religion, national origin, age, sex, gender identity, gender expression, sexual orientation, marital status, veteran status, disability status, or any other legally protected status. All employment decisions at Interface.ai are based on business needs, job requirements, and individual qualifications. We strive to create a culture that values and respects each person's unique perspective and contributions. We encourage all qualified individuals to apply for employment opportunities with Interface.ai and are committed to ensuring that our hiring process is inclusive and accessible.

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