interface.ai
Staff Engineer (Backend + AI) : Sphere
interface.ai, San Francisco, California, United States, 94199
Overview
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 proprietary Generative AI. Our mission is to transform the banking experience with hyper-personalized, secure, and seamless interactions while improving operational efficiencies and driving revenue growth. About the Role: We are seeking a
Staff Engineer for Sphere , our flagship conversational AI platform that powers the most impactful experiences in our ecosystem. Sphere spans intelligent voice agents and next-generation digital assistants—helping millions of users navigate complex, real-world tasks in regulated environments. As a core engineering leader, you will design, build, and evolve distributed systems and AI pipelines that drive human-like interactions, multimodal memory, and real-time decision-making across speech and chat modalities. This is a mission-critical, revenue-generating platform that directly shapes the future of user-facing AI in financial services. What You’ll Do
Lead architecture and delivery of high-scale, low-latency backend systems supporting multimodal conversational agents (voice and digital) Build and maintain orchestration logic, memory frameworks, and dynamic routing for real-time, multi-turn AI interactions Design extensible APIs and interaction models that integrate with tools, transactions, and domain-specific workflows Collaborate with ML and infrastructure teams to productionize speech models, reasoning systems, and aligned LLM capabilities Drive improvements in latency, observability, fault-tolerance, and personalization across conversational surfaces Influence technical strategy, mentor engineers, and uphold engineering excellence across product lines Ensure compliance, auditability, and security are first-class considerations in all components and designs What You Bring
8+ years of experience building backend or platform systems at scale, ideally in real-time or user-facing environments Deep understanding of asynchronous architecture, distributed systems, and event-driven orchestration Experience delivering production systems with real-time performance, stateful flows, and strong reliability guarantees Expertise in one or more backend stacks such as Node.js, Go, or Python, with emphasis on performance and maintainability Track record of working across product and infra teams to build secure, extensible, and AI-enabled systems Strong product instincts and a desire to contribute to platform-level thinking for conversational UX Preferred
Experience with speech or voice systems, LLM-based agents, or multi-modal interface design Familiarity with memory frameworks, dialogue management, and inference orchestration at scale Background in regulated domains or enterprise-grade infrastructure design (security, logging, compliance) Why This Role Is Unique
Youll work on the most impactful, revenue-generating AI products in the company Youll help shape human-AI interaction at scale across synchronous voice and digital interfaces Your work will be foundational to millions of end-user conversations and high-stakes decision-making daily Youll collaborate with a team pushing the boundary of AI-first interfaces—moving fast, with technical rigor and user empathy Compensation
The base salary range for this role is $210,000 – $240,000 per year. Final compensation will depend on location, skills, experience, education, and/or professional certifications. During the phone screening, the recruiter will provide the location-specific salary range. Interface.ai offers comprehensive benefits, including: Health: medical, dental, and vision insurance and wellbeing resources Time away: holidays and discretionary PTO with manager approval Financial: 401K, ESPP, life and AD&D insurance, disability Family: parental leave, maternity support, fertility services Development: access to internal professional development resources Additional: 24/7 access to professional counselors, voluntary insurance coverage, exclusive perks We are committed to an inclusive and welcoming environment for all employees and applicants. 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 are based on business needs, job requirements, and individual qualifications. We strive to create a culture that values and respects each person’s perspective and contributions. Seniority level
Mid-Senior level Employment type
Full-time Job function
Engineering and Information Technology Industries
Technology, Information and Internet Referrals increase your chances of interviewing at interface.ai. Get notified about new Staff Engineer jobs in San Francisco, CA.
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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 proprietary Generative AI. Our mission is to transform the banking experience with hyper-personalized, secure, and seamless interactions while improving operational efficiencies and driving revenue growth. About the Role: We are seeking a
Staff Engineer for Sphere , our flagship conversational AI platform that powers the most impactful experiences in our ecosystem. Sphere spans intelligent voice agents and next-generation digital assistants—helping millions of users navigate complex, real-world tasks in regulated environments. As a core engineering leader, you will design, build, and evolve distributed systems and AI pipelines that drive human-like interactions, multimodal memory, and real-time decision-making across speech and chat modalities. This is a mission-critical, revenue-generating platform that directly shapes the future of user-facing AI in financial services. What You’ll Do
Lead architecture and delivery of high-scale, low-latency backend systems supporting multimodal conversational agents (voice and digital) Build and maintain orchestration logic, memory frameworks, and dynamic routing for real-time, multi-turn AI interactions Design extensible APIs and interaction models that integrate with tools, transactions, and domain-specific workflows Collaborate with ML and infrastructure teams to productionize speech models, reasoning systems, and aligned LLM capabilities Drive improvements in latency, observability, fault-tolerance, and personalization across conversational surfaces Influence technical strategy, mentor engineers, and uphold engineering excellence across product lines Ensure compliance, auditability, and security are first-class considerations in all components and designs What You Bring
8+ years of experience building backend or platform systems at scale, ideally in real-time or user-facing environments Deep understanding of asynchronous architecture, distributed systems, and event-driven orchestration Experience delivering production systems with real-time performance, stateful flows, and strong reliability guarantees Expertise in one or more backend stacks such as Node.js, Go, or Python, with emphasis on performance and maintainability Track record of working across product and infra teams to build secure, extensible, and AI-enabled systems Strong product instincts and a desire to contribute to platform-level thinking for conversational UX Preferred
Experience with speech or voice systems, LLM-based agents, or multi-modal interface design Familiarity with memory frameworks, dialogue management, and inference orchestration at scale Background in regulated domains or enterprise-grade infrastructure design (security, logging, compliance) Why This Role Is Unique
Youll work on the most impactful, revenue-generating AI products in the company Youll help shape human-AI interaction at scale across synchronous voice and digital interfaces Your work will be foundational to millions of end-user conversations and high-stakes decision-making daily Youll collaborate with a team pushing the boundary of AI-first interfaces—moving fast, with technical rigor and user empathy Compensation
The base salary range for this role is $210,000 – $240,000 per year. Final compensation will depend on location, skills, experience, education, and/or professional certifications. During the phone screening, the recruiter will provide the location-specific salary range. Interface.ai offers comprehensive benefits, including: Health: medical, dental, and vision insurance and wellbeing resources Time away: holidays and discretionary PTO with manager approval Financial: 401K, ESPP, life and AD&D insurance, disability Family: parental leave, maternity support, fertility services Development: access to internal professional development resources Additional: 24/7 access to professional counselors, voluntary insurance coverage, exclusive perks We are committed to an inclusive and welcoming environment for all employees and applicants. 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 are based on business needs, job requirements, and individual qualifications. We strive to create a culture that values and respects each person’s perspective and contributions. Seniority level
Mid-Senior level Employment type
Full-time Job function
Engineering and Information Technology Industries
Technology, Information and Internet Referrals increase your chances of interviewing at interface.ai. Get notified about new Staff Engineer jobs in San Francisco, CA.
#J-18808-Ljbffr