Staff Engineer, End-to-End Voice AI

Mixpeek; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Top-tier compensation

Meals in the office

Healthcare coverage

Off-sites and team celebrations

Job summary

Phonic is seeking a Member of Technical Staff to work across the full stack from platform engineering to applied research in voice AI. This generalist role offers end-to-end ownership from design through production, with no rigid titleing and early responsibility.

You will collaborate with research and ML teams, set technical standards, and rotate across infra, prototypes, or customer-facing features depending on company needs.

Qualifications

• Bachelor's degree in Computer Science from a top university.
• Proven track record: you've built and shipped production systems you're genuinely proud of.
• Genuine ability to work across the full range from platform engineering to research — not boxed into one layer of the stack.
• Strong engineering fundamentals: clean, testable, maintainable code.
• Full-stack fluency across frontend, backend, infrastructure, and the seams between them.
• Ownership: you take problems from ambiguous to shipped without needing a fully-scoped spec.
• Execution speed: you ship, learn, and iterate quickly.

Responsibilities

• Own problems end-to-end - from architecture and design through shipping and iteration in production.
• Work anywhere across the stack as needed: platform and infrastructure engineering, backend services and APIs, product surfaces, or applied research.
• Partner directly with research and ML to translate frontier voice AI capabilities into reliable, production-grade systems.
• Help set technical standards and practices for the team while we're still small enough for it to matter.
• Work wherever your strengths and interests point — infra one week, a research prototype or a customer-facing feature the next; tell us where your interests lie and we’ll help place you there.

Skills

Full-stack fluency

Autonomy

Ownership mindset

Execution speed

AI-native

Education

Bachelor's degree in Computer Science from a top university

Job description

Phonic is seeking a Member of Technical Staff to work across the full stack from platform engineering to applied research in voice AI. This generalist role offers end-to-end ownership from design through production, with no rigid titleing and early responsibility.

You will collaborate with research and ML teams, set technical standards, and rotate across infra, prototypes, or customer-facing features depending on company needs.