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Prompt Engineer Jobs in San Ramon, CA (NOW HIRING)

The Mortgage Office

QA Engineer, AI

San Mateo, CA · On-site

$130K - $160K/yr

About the role We're looking for a QA Engineer (AI) to own quality across our AI-first product; a platform where core functionality depends on prompt engineering and LLM behavior. You'll be ...

Noon

Senior Applied AI Engineer

San Francisco, CA · On-site

$250K - $400K/yr

Build user-facing AI features end-to-end: prompt design, agent flows, tool use, RAG pipelines and ... Own the prompt-engineering, context-engineering, and retrieval layers for every AI feature * Know ...

Socure

Technical Support Engineer

San Francisco, CA · On-site

$90K - $115K/yr

Evaluate, prompt-engineer, and iterate on AI tools to improve support quality and reduce MTTR; provide feedback to internal AI tooling teams. * Identify opportunities to automate repetitive support ...

Clerk AI

Staff Software Engineer

San Francisco, CA · On-site

Own the AI orchestration layer -from prompt engineering to context management, tool calling, and response streaming * Drive architectural decisions that shape our voice AI pipeline, including ...

Ascend

Solutions Engineer

San Francisco, CA · On-site

$45/hr

Responsibilities Own and optimize prompt logic * Build, test, and refine prompts that power AI agents using prompt engineering and analytical problem-solving. * Design systems that enable scalable ...

Ambient AI

Senior GTM Engineer

Redwood City, CA · On-site

$170K - $180K/yr

Prompt Engineering & Orchestration: Build and iterate on messaging workflows using structured prompt engineering and model context protocols. You'll lead design sprints to optimize for reusability ...

Clerk AI

Forward Deployed Engineer

San Francisco, CA · Hybrid

Who you are: You're a technical problem-solver who combines prompt engineering expertise with strong customer-facing skills. You thrive on building reliable AI agents for voice and messaging channels ...

Instabase

Sales Engineer, Applied AI

San Francisco, CA

$157K - $175K/yr

You know how to prompt a model to get the best result (Prompt Engineering) and understand the practicalities of Generative AI, LLMs (GPT, Gemini, Anthropic), and RAG (Retrieval-Augmented Generation)

Fluency

AI Engineer

San Francisco, CA · On-site

$150K - $250K/yr

Improve AI output quality through prompt engineering, model selection, retrieval, and evaluation. * Design and run evals that measure real output quality, not just first impressions. * Iterate fast ...

Adobe

Product Security Engineer

San Jose, CA

Address AI-specific risks like prompt injection, data exposure, and output manipulation. * Make ... Experience with AI systems, including LLMs, prompt engineering, AI APIs like Azure OpenAI, and ...

Gamma

Software Engineer, Full Stack

San Francisco, CA · On-site

You'll work across the entire stack, from prompt engineering to frontend integration, shaping how millions of people use AI to create presentations, documents, and websites. You'll partner closely ...

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All JobsPrompt Engineer JobsPrompt Engineer Jobs in San Ramon, CA

Prompt Engineer information

See San Ramon, CA salary details

$11

$52

$98

How much do prompt engineer jobs pay per hour?

As of Jul 2, 2026, the average hourly pay for prompt engineer in San Ramon, CA is $52.62, according to ZipRecruiter salary data. Most workers in this role earn between $40.05 and $67.98 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Prompt Engineer position, and why are they important?

To thrive as a Prompt Engineer, you need a strong grasp of natural language processing (NLP), machine learning concepts, and experience crafting effective prompts for large language models, usually supported by a technical degree or relevant experience. Familiarity with tools such as OpenAI's API, Hugging Face, or other AI platforms, as well as knowledge of programming languages like Python, is highly valuable. Creative thinking, analytical problem-solving, and cross-functional communication skills help differentiate top candidates in this field. These abilities are crucial for optimizing AI outcomes and ensuring collaboration with both technical and non-technical teams.

What does a typical day look like for a Prompt Engineer?

A typical day for a Prompt Engineer involves designing, testing, and refining prompts to enhance the performance of AI language models, often collaborating closely with data scientists, software engineers, and product managers. You might analyze the results of model outputs, integrate user or stakeholder feedback, and iterate on prompt strategies to solve diverse business challenges. Your role will usually include documentation, troubleshooting, and keeping up with the latest advances in AI technologies. Expect a mix of independent work and regular team meetings in a dynamic, fast-evolving environment focused on innovation and improvement.

What engineer makes $500,000 a year?

Senior software engineers, especially those working in high-demand fields like AI, machine learning, or at major tech companies, can earn $500,000 or more annually through base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, specialized skills, and often leadership roles or equity compensation.

What is a Prompt Engineer job?

A Prompt Engineer is a professional who designs, refines, and optimizes prompts to improve interactions with AI models, such as ChatGPT. Their role involves understanding model behavior, crafting precise queries, and experimenting with phrasing to achieve desired outputs. They may work in AI research, software development, or content generation to maximize AI efficiency. Strong skills in language, logic, and sometimes coding are essential for success in this role.

Is prompt engineer still a thing?

Prompt engineering is an emerging role focused on designing effective prompts for AI language models. It is increasingly in demand as organizations seek to optimize AI interactions, often requiring skills in natural language processing and familiarity with tools like GPT. The role continues to grow alongside advancements in AI technology.

What exactly is prompt engineer work?

A prompt engineer designs and optimizes prompts used to interact with AI language models, ensuring accurate and relevant outputs. The role requires understanding of AI systems, natural language processing, and often involves testing and refining prompts to improve model performance. Skills in programming, data analysis, and familiarity with AI tools are commonly needed.

Is prompt engineer salary?

Prompt engineers typically earn salaries comparable to other AI and machine learning specialists, with average annual pay ranging from $80,000 to $150,000 depending on experience, location, and industry. Skills in natural language processing, prompt design, and familiarity with AI tools like GPT are highly valued and can influence compensation.
What are popular job titles related to Prompt Engineer jobs in San Ramon, CA? For Prompt Engineer jobs in San Ramon, CA, the most frequently searched job titles are:
What cities near San Ramon, CA are hiring for Prompt Engineer jobs? Cities near San Ramon, CA with the most Prompt Engineer job openings:
Prompt Engineer jobs near you

QA Engineer, AI

The Mortgage Office

San Mateo, CA • On-site

$130K - $160K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 15 days ago

Job description

About Applied Business Software, Inc.,
Applied Business Software, Inc., (ABS), the maker of The Mortgage Office®, is the industry leader in private lending and loan management technology. Since 1978, our software has powered thousands of lenders, including private money firms, municipalities, CDFIs, Tribal Nations, universities, franchisors, third-party servicers and other non-bank lenders, helping them streamline, automate, and scale their lending operations with confidence.
About the role
We're looking for a QA Engineer (AI) to own quality across our AI-first product; a platform where core functionality depends on prompt engineering and LLM behavior. You'll be responsible for building and running the automated testing infrastructure that keeps both our deterministic systems (APIs, backend logic, UI flows) and non-deterministic AI systems (LLM outputs, prompt behavior, edge cases) reliable.
This role is our automation expert: you'll design and build automated end-to-end test suites (using tools like Playwright or Selenium) that cover the full product: frontend, backend, and API layers, while also developing testing strategies specifically for LLM-based features and AI-driven workflows. You'll be the person the team turns to for how we test, what we automate, and how we know when something's broken; whether that's a UI flow or a model's output quality.
What you'll do
  • Design and build automated end-to-end test suites (Playwright, Selenium, or similar) covering frontend, backend, and API flows across our event-based system
  • Own automation strategy for the team: identify what should be automated, build the frameworks, and maintain them over time
  • Design structured test cases for prompt-based features
  • Build and maintain test datasets for AI evaluation
  • Define evaluation criteria for AI outputs
  • Run regression testing when prompts or models change
  • Track quality metrics over time (output quality, failure rate, latency issues)
  • Serve as the team's go-to expert on automated and end-to-end testing practices

Qualifications
  • 5+ years of experience in QA / software testing, preferably for LLM-based products
  • Hands-on experience with automation frameworks such as Playwright or Selenium
  • Strong Python skills (automation, LLM evaluation, scripting)
  • Experience testing APIs and full-stack systems
  • Genuine curiosity about AI and a solid understanding of how the space is evolving
  • Ability to think in edge cases and break systems intentionally
  • Experience working with LLM-based products and prompt engineering workflows

Why Join Us?
  • Comprehensive health, dental, and vision coverage.
  • 401(k) with company funded match.
  • Mission-driven company with a 45+ year legacy and industry-leading products trusted by thousands of lenders.
  • Collaborative, supportive team known for long tenure, deep expertise, and a culture built on trust and integrity.
  • Help modernize and evolve the leading platform in private lending technology.
  • Beautiful San Mateo office with a tight-knit culture.
  • Competitive compensation and room for professional growth.
  • Performance-based bonuses.
  • Generous PTO.
  • Modern workspace with on-site amenities.

The pay range for this role is:
130,000 - 160,000 USD per year (Hybrid, San Mateo, CA)

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