Member of Technical Staff, Product Development

River AI Inc.

$200K — $420K *
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field, or equivalent experience.
  • Proven success in building and launching production software within consumer products or high-growth environments.
  • Deep backend expertise in Rust and Python, with experience in databases, APIs, and distributed systems.
  • Strong frontend or mobile development skills in modern technologies like TypeScript, React, or Swift.
  • Exceptional product judgment with a user-focused mindset and ability to manage ambiguity.

Responsibilities

  • Design, build, and launch user-friendly product experiences across web and mobile platforms in collaboration with design teams.
  • Architect scalable backend services using Rust and Python, managing complex data systems and APIs.
  • Integrate large language models into user workflows, optimizing for latency and cost controls.
  • Own the infrastructure required for high-scale AI products, including deployment and monitoring.
  • Collaborate with research and infrastructure teams to translate prototypes into reliable, understandable products.

Benefits

  • Comprehensive health, dental, and vision insurance.
  • Unlimited PTO for work-life balance.
  • Relocation assistance for candidates as needed.
  • Visa sponsorship support for the right candidate.
Full Job Description
About the Role

We are looking for exceptional product engineers who can move seamlessly across the stack: backend systems, web and mobile surfaces, LLM-powered workflows, infrastructure, reliability, and product iteration.

You will work close to the model, close to the user, and close to production, taking end-to-end ownership to turn new AI capabilities into software people use every day.
What You'll Do
  • Design, build, and launch polished, responsive user-facing product experiences across modern web and mobile stacks, partnering closely with design.
  • Architect high-performance backend services in Rust and Python, managing APIs, data systems, job queues, event pipelines, and distributed systems at scale.
  • Integrate large language models into real user workflows, managing tool use, memory, retrieval, structured outputs, latency optimization, and cost control.
  • Own the core infrastructure needed to run a high-scale consumer AI product, including deployment, monitoring, CI/CD, cloud infrastructure, and incident response.
  • Partner with research and infrastructure teams to take ambiguous ideas from prototype to production, translating new model capabilities into understandable and trustworthy product experiences.
Skills & Qualifications

Minimum Qualifications:
  • Bachelor's degree in Computer Science, a related technical field, or equivalent practical industry experience.
  • A proven track record of building and launching meaningful production software, ideally in consumer products, large-scale systems, or high-growth startups.
  • Deep backend expertise with practical experience in Rust, Python, databases, APIs, distributed systems, and production architecture.
  • Strong frontend or mobile capability with modern technologies such as TypeScript, React, React Native, Swift, or Flutter.
  • Exceptional product judgment with the ability to reason backward from user needs, alongside a high degree of ownership to navigate ambiguity.

Preferred Qualifications: (We encourage you to apply even if you don't meet all of these)
  • Hands-on experience with LLM systems, including APIs, agents, tool calling, prompt iteration, eval frameworks, and inference constraints.
  • Fluency with modern infrastructure and deployment platforms, including cloud environments, containers, Kubernetes, and Terraform or equivalent IaC.
  • AI-native product instincts, with an understanding that LLM products require continuous evaluation, instrumentation, and close attention to real user behavior.
  • Experience with systems reliability, including metrics, logs, alerts, and performance tuning for high-scale consumer products.
Logistics & Benefits
  • Location: Palo Alto, California.
  • Compensation: Depending on experience and skills the expected base pay is $200,000 - $420,000 USD per year.
  • Benefits: Comprehensive health, dental, and vision insurance; unlimited PTO; and relocation assistance as needed.
  • Visa Sponsorship: We sponsor visas and are committed to supporting the process for the right candidate.

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