Senior AI Product Engineer
$200k - $320kKastel Staffing
Job Description
Job Description
Senior AI Product Engineer
Location: San Francisco Bay Area (Hybrid/Flexible – Occasional Office Visits)
Compensation: $200,000–$320,000 Base Salary + Competitive Equity
Employment: Full-Time
Industry: Artificial Intelligence | SaaS | Data & Analytics
Experience: 5–12 Years
About the Opportunity
We are partnering with a rapidly growing, well-funded AI technology company that is transforming how businesses leverage data, artificial intelligence, and automation to drive smarter decisions and improve customer experiences.
Backed by leading venture capital investors, the company is experiencing exceptional growth and building innovative AI-powered products used by major enterprise customers.
We are seeking a Senior AI Product Engineer who combines exceptional software engineering skills with strong product intuition, creativity, and an entrepreneurial mindset.
This is an opportunity to work directly with executive leadership, including the CTO and COO, to design, prototype, and launch entirely new AI-powered product capabilities.
The ideal candidate thrives in fast-moving startup environments, enjoys solving complex technical challenges, and takes ownership of products from initial concept through production.
Key Responsibilities
- Design, develop, and launch innovative AI-powered features and customer-facing applications.
- Build sophisticated LLM applications, autonomous agents, and production-ready AI pipelines.
- Rapidly prototype new product concepts and transform successful proofs of concept into scalable production systems.
- Collaborate directly with executive leadership and cross-functional teams to shape product strategy and technical direction.
- Architect scalable backend systems, APIs, and AI integrations.
- Evaluate LLM architectures, frameworks, and methodologies to identify the most effective technical solutions.
- Develop intelligent data agents capable of answering complex analytics and business questions.
- Integrate AI capabilities into existing data platforms and customer workflows.
- Make critical architectural decisions balancing scalability, reliability, performance, and development speed.
- Take ownership of the complete product development lifecycle, from ideation through deployment and continuous improvement.
Required Qualifications
- 5–12 years of professional software engineering experience , with significant ownership of core product development.
- Experience working in high-growth, venture-backed startups, ideally Series B–F.
- Strong backend engineering and software architecture experience.
- Proven ability to build, launch, and scale customer-facing software products.
- Experience developing complex AI applications, including LLM-powered workflows, agents, or intelligent automation.
- Strong product intuition and the ability to translate ambiguous business requirements into effective technical solutions.
- Experience working in fast-paced environments with rapid development and deployment cycles.
- Demonstrated career progression through promotions, increased technical responsibility, or expanding product ownership.
- Strong academic background in Computer Science, Mathematics, or a closely related technical discipline, preferably from a leading university.
- Excellent communication, problem-solving, and collaboration skills.
- Based in the San Francisco Bay Area, with flexibility to visit the office occasionally.
Technical Skills
Core Technologies: TypeScript | Backend Engineering | API Development | Scalable Architecture | Distributed Systems
AI & LLM Technologies: Large Language Models | AI Agents | LLM Orchestration | AI Pipelines | Intelligent Automation | Production AI Applications
Product Engineering: Rapid Prototyping | Product Architecture | System Design | Production Deployment | End-to-End Product Development
Prior professional AI experience is not mandatory for exceptional software engineers with outstanding backend architecture skills, product intuition, and the ability to learn quickly.
Preferred Qualifications
- Previous experience as a founding engineer, early engineering hire, or technical founder.
- Experience developing AI-native products at high-growth startups.
- Hands-on experience with advanced AI agents, multi-step LLM workflows, or complex AI application architectures.
- Experience building products involving customer data, analytics, marketing technology, or enterprise automation.
- Experience taking products from 0-to-1 and iterating based on customer feedback.
- Strong TypeScript development experience.
- Background working closely with founders, CTOs, or senior product leadership.
- Experience evaluating different AI models, frameworks, and approaches for production use.
What Makes This Opportunity Exciting
- Highly Competitive Compensation: $200,000–$320,000 base salary plus meaningful equity.
- Direct Executive Collaboration: Work closely with the CTO, COO, and senior technical leadership.
- High-Impact Engineering: Build new AI-powered products with substantial ownership and visibility.
- Cutting-Edge Technology: Work on sophisticated AI applications, intelligent agents, and emerging LLM technologies.
- Exceptional Growth: Join a well-funded technology company experiencing significant revenue and organizational expansion.
- Engineering Excellence: Collaborate with highly talented engineers who value simplicity, scalability, and technical quality.
- Entrepreneurial Environment: Influence product direction, architecture, and major technical decisions.
- Flexible Work Arrangement: Primarily remote within the San Francisco Bay Area, with occasional office collaboration.
Who Will Succeed in This Role?
You are a product-minded software engineer who enjoys building things that customers actually use.
You are equally comfortable developing a prototype from scratch and architecting the scalable systems needed to support a production application.
You thrive in environments where requirements are not always clearly defined, enjoy experimenting with emerging technologies, and can independently turn ambitious ideas into working products.
Above all, you combine technical excellence with curiosity, initiative, strong communication skills, and a genuine passion for creating impactful software.
Interested?
If you're an experienced software engineer excited about building the next generation of AI-powered products, we'd welcome the opportunity to connect.
Apply today to learn more about this opportunity.
- ...True Talent Solutions Partners in San Francisco is seeking a product software engineer to build AI-powered financial crime compliance tools for banks and fintechs. You will own features end to end from discovery through production. The role requires 3–6 years of experience...SeniorVisa sponsorship
$200k - $250k
...At You.com, we are building the AI Search Infrastructure that powers modern AI... ...transparent, and useful. Our team includes engineers, researchers, product builders, and operators who care about... ...can hold technical credibility with senior engineers and commercial credibility...SeniorFull timeImmediate startRemote workWork from homeFlexible hoursEarly shift$192k - $249k
...Senior AI Product Engineer II $192,000-$249,000 + Equity 3 days/week on-site Overview A fast-growing SaaS organization is seeking a Senior AI Product Engineer to develop and deliver AI-powered product experiences. This role focuses on transforming large language...SeniorFull timeWork at officeRemote workFlexible hours3 days per week$128.4k - $192.5k
...better working world. The opportunity Turn emerging AI capabilities into products people choose to use, trust, and rely on. You will work... ...demonstration into a durable product. This role suits an engineer with founder-like ownership and the discipline to test...SeniorSummer holidayWork at officeFlexible hours$125k - $225k
...AI is rapidly transforming the world. As generative AI reshapes industries, teams... ...in. Arize AI is the leading AI & Agent Engineering observability and evaluation platform ,... ...and applications. From first prototype to production scale, Arize AX unifies build, test, and...SeniorFor contractorsWork experience placementRemote workWork from home- Zipporin is seeking an exceptional Senior Full-Stack AI Product Engineer to join our team in San Francisco, CA on a hybrid schedule. In this role, you will bridge the gap between cutting-edge foundational AI models and polished, customer-facing product experiences. You...SeniorContract work
- ...office, from home, or a hybrid arrangement. We hire people in countries where we have a legal entity. We are hiring a Senior Principal Engineer for the AI Foundations team, responsible for making AI work well across engineering: how we measure it, the context we feed it,...SeniorWork at officeWork from home
$220k - $330k
...software, and applications that power today's AI stack using sustainable technology... ...Role Nscale is looking for a Staff AI Engineer (Specialised) to set technical direction... ...engineering quality broadly Work with research, product, and infrastructure leadership so the...Flexible hours- ...Brain Co. is seeking an AI Product Intern in San Francisco to collaborate with engineers, researchers, and product leaders to design, build, and deploy AI-powered software addressing real-world problems. This hands-on role covers the full product lifecycle from understanding...Internship
- ...Weave is building a cutting-edge platform to help engineering teams understand and improve how they work. As the founding product engineer, you will own the product and technical foundation from day one, collaborating with the CTO and CEO to shape the product and the company...
- ...Turing Enterprises, Inc. in San Francisco seeks a Software Engineering evaluator to create cutting-edge datasets for training and benchmarking... ...exact solutions across Python and multiple languages, refining AI-generated code for efficiency and reliability. You will...Senior
- ...About Town Town is an AI-powered assistant that connects to your tools to do real work... ...lets anyone automate real work, a suggestion engine that discovers what to automate before you... ...across the full stack but anchored on the product. You own features end to end -- from...Work at office
- ...Nominal is accelerating hardware engineering with AI-native agents and a test-and-operations platform serving aerospace, automotive, defense... ...General Catalyst, Founders Fund, Lux, and Lightspeed. As an AI Product Engineer, you will prototype rapidly, ship polished features...Work at office
- ..., Inc. is building tools that make generative AI accessible for developers, creators, and businesses... ...care about turning powerful technology into products people genuinely want to use. We are seeking a product-minded engineer who uses AI as a core part of how they build,...
- ...organizations use to build their own clinical AI agents. Our mission is to make... ...Concurrence meets the real world. Our core engineering team builds the platform. We take it... ...it, as durable software that runs in production. As a Senior Applied AI Engineer, you own an entire...SeniorFull timeWork at officeFlexible hours
$150k - $300k
...Transformcap is looking for AI/Machine Learning Engineers in San Francisco to lead the development of cutting-edge AI solutions. The role involves designing and implementing sophisticated machine learning models critical to transforming healthcare. Ideal candidates...Senior- ...Therapeutics is seeking an experienced research engineer to join its interdisciplinary team in the San... ...Area or Seattle. You will collaborate with AI scientists, engineers, and drug discovery experts to develop production-ready ML models that accelerate therapeutics discovery...Senior
- ...Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences. As... ...and we’re building a team of Forward Deployed Software Engineers to bridge customer needs with product innovation. As a Forward Deployed Software Engineer, you...Senior
- ...OpenAI is seeking an Applied AI Engineer to combine deep technical judgment, hands-on engineering, and customer leadership to bring frontier AI capabilities into real-world products. You will work with top platform customers, guide architecture decisions, and help...Senior
- ...Scale AI is seeking a Senior Frontier Agent Engineer to architect, integrate, deploy, and operate production AI systems for strategic enterprise customers. You’ll blend distributed systems, cloud infrastructure, and frontier AI to transform cutting-edge models into reliable...Senior
$230k - $265k
...Unify is building the first AI-native outbound platform where agents and sellers work... ...shaping the future of AI and building products that redefine how modern revenue teams work... ...with our founders. You will own large engineering scope which will both bring immense value...Senior- ...Nextlex is seeking a seasoned ML Engineer to design, build, and deploy core AI models that power its intelligence layer. You will transform fragmented... ...collaborating with researchers to scale prototypes into production. A strong grounding in MLOps, containers, and cloud...Senior
- ...JLL is seeking a Staff Forward Deployed Engineer to rapidly design, prototype, and deploy AI‑driven solutions across multiple teams. You will own technical... ...strategy, architect scalable data platforms, and push production code using AI coding assistants and AWS Bedrock...SeniorRemote work
- ...Retell AI is transforming enterprise customer experience with voice AI, delivering production-ready systems and embedding with client teams. We seek a Senior Forward Deployed Engineer fluent in Spanish to engage Latin American clients and bridge technical and non-technical...Senior
- ...Engram is seeking a Product Engineer / Product Researcher in San Francisco to own a product surface end to end—from backend systems to APIs and UX. You will interface with customers to design models with memory, develop evals, and build telemetry to improve the product...
- ...A fast-growing SaaS company in San Francisco is looking for a Senior AI Engineer to design and build scalable, production-grade AI systems. You will develop LLM-powered solutions and architect optimized AI systems. The role demands extensive software engineering experience...Senior
$150k - $200k
San Francisco, CaliforniaEngineering - AI Engineering /US Full-time Salaried /On-siteSamba is a media intelligence company. We know what... ...selectionWHO YOU AREYou’ve built AI agents and shipped them to production—not just prototypesYou’ve deployed agents in cloud...Full timeLocal area- ...CodeRabbit in San Francisco is seeking an Applied Gen AI Engineer to design, build, and deploy advanced generative AI systems powering our code review and developer productivity tools. You’ll implement state-of-the-art techniques like RAG, RLHF, and multi-step agentic...Senior
- ...SOMA is building a modern, intelligent freight marketplace. As an early software engineer, you will own features end to end, ship daily, and interact directly with customers to shape our product and culture. You should have at least 3 years of full-time software...SeniorFull time
- ...Decagon is growing fast, and we're looking for an AI Acceleration Engineer to build the systems the company runs on and make AI a practical part of how every team works. You’ll extend the platform that already serves as our source of truth for contracts and customers...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior AI Product Engineer. Be the first to apply!
- ai prompt engineer San Francisco, CA
- ai engineer San Francisco, CA
- ai research engineer San Francisco, CA
- ai engineer remote San Francisco, CA
- ai ml engineer San Francisco, CA
- senior ai engineer San Francisco, CA
- machine learning ai engineer San Francisco, CA
- ai developer San Francisco, CA
- senior fpga design engineer San Francisco, CA
- ic design engineer San Francisco, CA



