Senior Fullstack Engineer
Bellevue, WA · On-site
Spangle AI is a fast-growing startup focused on connecting AI-led discovery to real-time conversion. They are seeking a Senior Fullstack Engineer to build their next-generation merchant experience ...
Senior Fullstack Engineer
Bellevue, WA · On-site
Spangle AI is a fast-growing startup focused on connecting AI-led discovery to real-time conversion. They are seeking a Senior Fullstack Engineer to build their next-generation merchant experience ...
Senior Fullstack Engineer
Bellevue, WA · On-site
$138K - $182K/yr
Medical
Dental
Vision
Retirement
PTO
About SpangleAI Launched in 2025, Spangle AI is the agentic conversion layer connecting AI-led ... The Role We are seeking exceptional Senior Fullstack Engineers with deep expertise in client-side ...
Senior Fullstack Engineer
Bellevue, WA · On-site
$138K - $182K/yr
Medical
Dental
Vision
Retirement
PTO
About SpangleAI Launched in 2025, Spangle AI is the agentic conversion layer connecting AI-led ... The Role We are seeking exceptional Senior Fullstack Engineers with deep expertise in client-side ...
Fullstack Agentic AI developers Location: Redmond, WA (Hybrid) Your Primary Focus * Monitor & Detect: Set up telemetry to watch system health (QoS). Use ML to spot anomalies and trigger automatic ...
Fullstack Agentic AI developers Location: Redmond, WA (Hybrid) Your Primary Focus * Monitor & Detect: Set up telemetry to watch system health (QoS). Use ML to spot anomalies and trigger automatic ...
Fullstack Agentic AI developers Location: Redmond, WA (Hybrid) Your Primary Focus * Monitor & Detect: Set up telemetry to watch system health (QoS). Use ML to spot anomalies and trigger automatic ...
Quick apply
Fullstack Agentic AI developers Location: Redmond, WA (Hybrid) Your Primary Focus * Monitor & Detect: Set up telemetry to watch system health (QoS). Use ML to spot anomalies and trigger automatic ...
Sr. Full Stack Software Engineer (Front End Leaning)
$160K - $200K/yr
Our AI-powered performance marketing platform delivers Speed at Scale, enabling creative teams to ... We're seeking a Senior Fullstack Engineer who thinks in experiences, not features. You'll architect ...
Quick apply
Sr. Full Stack Software Engineer (Front End Leaning)
$160K - $200K/yr
Our AI-powered performance marketing platform delivers Speed at Scale, enabling creative teams to ... We're seeking a Senior Fullstack Engineer who thinks in experiences, not features. You'll architect ...
Senior Software Engineer - Fullstack
Seattle, WA · On-site
$139K - $183K/yr
At Read AI we're redefining how teams collaborate by bringing intelligence to every conversation ... We are seeking a Senior Fullstack Software Engineer to join our fast-growing team at Read AI. As a ...
Senior Software Engineer - Fullstack
Seattle, WA · On-site
$139K - $183K/yr
At Read AI we're redefining how teams collaborate by bringing intelligence to every conversation ... We are seeking a Senior Fullstack Software Engineer to join our fast-growing team at Read AI. As a ...
Sr Fullstack Engineer
Seattle, WA · On-site +1
$160K - $200K/yr
PTO
About You Strong engineering fundamentals You are a strong software engineer first. You have at least five years of experience building production systems and have developed a strong intuition for ...
Sr Fullstack Engineer
Seattle, WA · On-site +1
$160K - $200K/yr
PTO
About You Strong engineering fundamentals You are a strong software engineer first. You have at least five years of experience building production systems and have developed a strong intuition for ...
Sr. Full Stack Software Engineer (Front End Leaning)
$160K - $200K/yr
Medical
Dental
Vision
Our AI-powered performance marketing platform delivers Speed at Scale, enabling creative teams to ... We're seeking a Senior Fullstack Engineer who thinks in experiences, not features. You'll architect ...
Sr. Full Stack Software Engineer (Front End Leaning)
$160K - $200K/yr
Medical
Dental
Vision
Our AI-powered performance marketing platform delivers Speed at Scale, enabling creative teams to ... We're seeking a Senior Fullstack Engineer who thinks in experiences, not features. You'll architect ...
.Net fullstack Lead
Redmond, WA · On-site
$66 - $86.50/hr
Work with SQL and/or NoSQL databases for efficient data storage and retrieval DevOps and ... Experience building AI agents using frameworks such as MCP or A2
.Net fullstack Lead
Redmond, WA · On-site
$66 - $86.50/hr
Work with SQL and/or NoSQL databases for efficient data storage and retrieval DevOps and ... Experience building AI agents using frameworks such as MCP or A2
.Net fullstack Lead
Redmond, WA · On-site
$66 - $86.50/hr
Work with SQL and/or NoSQL databases for efficient data storage and retrieval DevOps and ... Experience building AI agents using frameworks such as MCP or A2
Quick apply
.Net fullstack Lead
Redmond, WA · On-site
$66 - $86.50/hr
Work with SQL and/or NoSQL databases for efficient data storage and retrieval DevOps and ... Experience building AI agents using frameworks such as MCP or A2
Senior AI Engineer
Seattle, WA · On-site
$139K - $183K/yr
They are seeking a Senior AI Engineer to design and ship AI-powered tools and automation pipelines, transforming manual processes into AI-first workflows. Responsibilities : • Design, build, and ...
Senior AI Engineer
Seattle, WA · On-site
$139K - $183K/yr
They are seeking a Senior AI Engineer to design and ship AI-powered tools and automation pipelines, transforming manual processes into AI-first workflows. Responsibilities : • Design, build, and ...
Fullstack Software Engineer Intern (Global E-Commerce) - 2027 Summer
Seattle, WA · On-site
$42.75/hr
Medical
Life
It is committed to becoming the first choice for users to discover and purchase good products at ... support AI-enabled product features, workflow automation, or intelligent decision-making ...
Fullstack Software Engineer Intern (Global E-Commerce) - 2027 Summer
Seattle, WA · On-site
$42.75/hr
Medical
Life
It is committed to becoming the first choice for users to discover and purchase good products at ... support AI-enabled product features, workflow automation, or intelligent decision-making ...
Lead Engineer, AI Attack Simulation
Seattle, WA · On-site +1
$116K - $153K/yr
Lead Engineer, AI Attack Simulation Remote [within the US] ABOUT THE ROLE: HiddenLayer is seeking a ... You will also establish an AI-first product development workflow, applying AI across discovery ...
Quick apply
Lead Engineer, AI Attack Simulation
Seattle, WA · On-site +1
$116K - $153K/yr
Lead Engineer, AI Attack Simulation Remote [within the US] ABOUT THE ROLE: HiddenLayer is seeking a ... You will also establish an AI-first product development workflow, applying AI across discovery ...
Senior Software Engineer - Fullstack
Seattle, WA · On-site
$180 - $220/hr
About Read AI At Read AI we're redefining how teams collaborate by bringing intelligence to every ... About the Role We are seeking a Senior Fullstack Software Engineer to join our fast‑growing team ...
Senior Software Engineer - Fullstack
Seattle, WA · On-site
$180 - $220/hr
About Read AI At Read AI we're redefining how teams collaborate by bringing intelligence to every ... About the Role We are seeking a Senior Fullstack Software Engineer to join our fast‑growing team ...
Title: .Net+Other Fullstack Developer Location: Bellevue, WA Duration: Fulltime Roles ... Good understanding on AI concepts and services, working experience is plus Should have good ...
New
Title: .Net+Other Fullstack Developer Location: Bellevue, WA Duration: Fulltime Roles ... Good understanding on AI concepts and services, working experience is plus Should have good ...
New
Title: .Net+Other Fullstack Developer Location: Bellevue, WA Duration: Fulltime Roles ... Good understanding on AI concepts and services, working experience is plus Should have good ...
New
Title: .Net+Other Fullstack Developer Location: Bellevue, WA Duration: Fulltime Roles ... Good understanding on AI concepts and services, working experience is plus Should have good ...
New
Senior Software Engineer, Fullstack
Seattle, WA · On-site
$139K - $183K/yr
Ai2 is a Seattle based non-profit AI research institute focused on building breakthrough AI solutions for scientific discovery. The Senior Software Engineer, Fullstack will work closely with UX ...
Senior Software Engineer, Fullstack
Seattle, WA · On-site
$139K - $183K/yr
Ai2 is a Seattle based non-profit AI research institute focused on building breakthrough AI solutions for scientific discovery. The Senior Software Engineer, Fullstack will work closely with UX ...
Senior Software Engineer, Fullstack
Seattle, WA · On-site
$139K - $183K/yr
Ai2 is a Seattle-based non-profit AI research institute focused on building breakthrough AI to solve significant global challenges. They are seeking a Senior Software Engineer, Fullstack to develop ...
Senior Software Engineer, Fullstack
Seattle, WA · On-site
$139K - $183K/yr
Ai2 is a Seattle-based non-profit AI research institute focused on building breakthrough AI to solve significant global challenges. They are seeking a Senior Software Engineer, Fullstack to develop ...
Senior Software Engineer, Fullstack
Seattle, WA · On-site
$139K - $183K/yr
Ai2 is a Seattle based non-profit AI research institute focused on building breakthrough AI to solve the world's biggest problems. The Senior Software Engineer, Fullstack will work on developing AI ...
Senior Software Engineer, Fullstack
Seattle, WA · On-site
$139K - $183K/yr
Ai2 is a Seattle based non-profit AI research institute focused on building breakthrough AI to solve the world's biggest problems. The Senior Software Engineer, Fullstack will work on developing AI ...
Senior Software Engineer, Fullstack
Seattle, WA · On-site
$139K - $183K/yr
Ai2 is a Seattle based non-profit AI research institute focused on building breakthrough AI to solve significant global challenges. The Senior Software Engineer, Fullstack will develop impactful AI ...
Senior Software Engineer, Fullstack
Seattle, WA · On-site
$139K - $183K/yr
Ai2 is a Seattle based non-profit AI research institute focused on building breakthrough AI to solve significant global challenges. The Senior Software Engineer, Fullstack will develop impactful AI ...
Ai First Fullstack Engineer information
See Seattle, WA salary details
$50.6K - $65.7K
1% of jobs
$65.7K - $80.9K
3% of jobs
$80.9K - $96K
4% of jobs
$96K - $111.1K
5% of jobs
$111.1K - $126.2K
11% of jobs
$127K is the 25th percentile. Wages below this are outliers.
$126.2K - $141.3K
15% of jobs
The median wage is $151.2K / yr.
$141.3K - $156.4K
17% of jobs
$156.4K - $171.5K
17% of jobs
$174.3K is the 75th percentile. Wages above this are outliers.
$171.5K - $186.6K
13% of jobs
$186.6K - $201.7K
9% of jobs
$201.7K - $216.8K
5% of jobs
$50.6K
$153.4K
$216.8K
How much do ai first fullstack engineer jobs pay per year?
As of Aug 13, 2026, the average yearly pay for ai first fullstack engineer in Seattle, WA is $153,373.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,300.00 and $179,800.00 per year, depending on experience, location, and employer.
What is the difference between Ai First Fullstack Engineer vs Software Developer?
| Aspect | Ai First Fullstack Engineer | Software Developer |
|---|---|---|
| Required Credentials | Bachelor's in CS, AI/ML knowledge, coding skills | Bachelor's in CS or related field, coding skills |
| Work Environment | Tech companies, startups, AI-focused teams | Various industries, tech firms, startups |
| Industry Usage | AI-driven projects, product development | Software applications, web development |
| Common Search/Comparison | Yes | Yes |
The Ai First Fullstack Engineer specializes in integrating AI and machine learning into fullstack development, often requiring knowledge of AI frameworks. Software Developers focus on building software applications across various domains. While both roles require strong coding skills, the Ai First Fullstack Engineer emphasizes AI integration, making it distinct in AI-centric environments.
What are popular job titles related to Ai First Fullstack Engineer jobs in Seattle, WA? For Ai First Fullstack Engineer jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Ai First Fullstack Engineer jobs in Seattle, WA look for? The top searched job categories for Ai First Fullstack Engineer jobs in Seattle, WA are:
Full-time
Re-posted 23 days ago
Job description
Job Summary:
Spangle AI is a fast-growing startup focused on connecting AI-led discovery to real-time conversion. They are seeking a Senior Fullstack Engineer to build their next-generation merchant experience platform, focusing on client-side SDK development and contributing to backend systems.
Responsibilities:
• Design and implement reusable, distributed JavaScript/CSS SDK frameworks that enable seamless merchant integration across diverse retail environments.
• Build scalable multi-tenant frontend architecture that supports enterprise-grade customization and performance.
• Develop high-performance, scalable, and accessible web applications using React, Next.js, and Tailwind CSS.
• Implement modern rendering strategies (SSR, SSG, ISR) to ensure optimal SEO and performance.
• Partner with backend engineers to integrate frontend logic with RESTful APIs and GraphQL services.
• Ensure secure, resilient communication between client-side SDKs and backend systems.
• Drive performance improvements through code splitting, lazy loading, image optimization, caching strategies, and runtime efficiency tuning.
• Write clean, maintainable, and reusable code.
• Enforce best practices for accessibility (a11y), SEO, modular architecture, and automated testing.
• Contribute to data modeling, database schema design, infrastructure planning, and cloud deployment (AWS/GCP).
• Support CI/CD processes and production monitoring.
Qualifications:
Required:
• 5+ years of professional software development experience
• Proven experience building production-grade web applications in multi-tenant or enterprise environments
• Expert-level proficiency in JavaScript, TypeScript, and CSS
• Deep expertise in React, Next.js, and Tailwind CSS
• Proficient with the AI native coding tools such as cursor, codex and claude code
• Strong understanding of multi-tenant build systems and distributed JavaScript/CSS framework design.
• Experience with RESTful APIs and/or GraphQL integrations.
• Solid understanding of data modeling, database schema design, and backend architecture principles
• Familiarity with cloud infrastructure (AWS or GCP) and modern DevOps practices
• Strong understanding of frontend performance optimization and rendering strategies
Preferred:
• Experience developing distributed client-side SDKs or embedded commerce tools is strongly preferred
Company:
As more of the shopping journey shifts to Instagram, Tik tok, ChatGPT and Google, purchase decisions form before consumers reach your site. Founded in 2024, the company is headquartered in Bellevue, USA, with a team of 2-10 employees. The company is currently Early Stage.
Spangle AI is a fast-growing startup focused on connecting AI-led discovery to real-time conversion. They are seeking a Senior Fullstack Engineer to build their next-generation merchant experience platform, focusing on client-side SDK development and contributing to backend systems.
Responsibilities:
• Design and implement reusable, distributed JavaScript/CSS SDK frameworks that enable seamless merchant integration across diverse retail environments.
• Build scalable multi-tenant frontend architecture that supports enterprise-grade customization and performance.
• Develop high-performance, scalable, and accessible web applications using React, Next.js, and Tailwind CSS.
• Implement modern rendering strategies (SSR, SSG, ISR) to ensure optimal SEO and performance.
• Partner with backend engineers to integrate frontend logic with RESTful APIs and GraphQL services.
• Ensure secure, resilient communication between client-side SDKs and backend systems.
• Drive performance improvements through code splitting, lazy loading, image optimization, caching strategies, and runtime efficiency tuning.
• Write clean, maintainable, and reusable code.
• Enforce best practices for accessibility (a11y), SEO, modular architecture, and automated testing.
• Contribute to data modeling, database schema design, infrastructure planning, and cloud deployment (AWS/GCP).
• Support CI/CD processes and production monitoring.
Qualifications:
Required:
• 5+ years of professional software development experience
• Proven experience building production-grade web applications in multi-tenant or enterprise environments
• Expert-level proficiency in JavaScript, TypeScript, and CSS
• Deep expertise in React, Next.js, and Tailwind CSS
• Proficient with the AI native coding tools such as cursor, codex and claude code
• Strong understanding of multi-tenant build systems and distributed JavaScript/CSS framework design.
• Experience with RESTful APIs and/or GraphQL integrations.
• Solid understanding of data modeling, database schema design, and backend architecture principles
• Familiarity with cloud infrastructure (AWS or GCP) and modern DevOps practices
• Strong understanding of frontend performance optimization and rendering strategies
Preferred:
• Experience developing distributed client-side SDKs or embedded commerce tools is strongly preferred
Company:
As more of the shopping journey shifts to Instagram, Tik tok, ChatGPT and Google, purchase decisions form before consumers reach your site. Founded in 2024, the company is headquartered in Bellevue, USA, with a team of 2-10 employees. The company is currently Early Stage.