Senior Full Stack Engineer (Product) - AI Workflow/Application Builder (Sonoma)Ikuto • Sonoma, CA, United States
Senior Full Stack Engineer (Product) - AI Workflow / Application Builder (Sonoma)
Ikuto • Sonoma, CA, United States
[job_card.variable_days_ago]
[job_preview.job_type]
- [job_card.full_time]
[job_card.job_description]415 years of professional software engineering experience in full-stack development. Prior experience working in early-stage startups or high-growth environments. Strong proficiency with TypeScript, Node.js , and modern frontend frameworks ( React , Tailwind ). Experience designing complex architectures , asynchronous workflows, and integrations. Excellent problem-solving, collaboration, and communication skills. Experience building or integrating AI / LLM-powered applications . Familiarity with orchestration / workflow frameworks such as Temporal . Exposure to cloud platforms (AWS / GCP / Azure), containerisation, Kubernetes, and CI / CD pipelines. Experience with enterprise-grade concerns : secure hosting (VPCs), observability, identity & compliance. Competitive salary : $200K$325K + meaningful equity (1%+) in an early-stage company. Work directly with experienced founders and influence the product roadmap. Shape the architecture and direction of a high-impact platform powering first production deployments. Be part of a small, agile, highly motivated team at the forefront of AI and enterprise applications.
🚀 Senior Full-Stack Engineer High-Growth AI SaaS Startup
📍 SoMa, San Francisco, CA | 💼 Full-Time | Onsite
💰 Salary : $200K$325K + Meaningful Equity (1%+)
Join an early-stage AI SaaS startup building an application builder that empowers business users to create custom applications where humans and AI collaborate seamlessly across enterprise workflows. Youll play a pivotal role in shaping core architecture, product development, and first production deployments , working directly with the founder and early team.
About the Role
Were seeking a Senior Full-Stack Engineer to lead product development and own major product surfaces across frontend, backend, and integration layers . This is a high-impact role where youll directly influence product direction and help build the foundation for Lumenas platform.
What Youll Do
- Design and build the core application builder the orchestration layer connecting workflows, agents, and front-end views.
- Develop and scale Lumenas TypeScript-based backend and modern frontend stack ( React + Tailwind ).
- Build dynamic frontend interfaces for dashboards, forms, and human-AI workflows.
- Collaborate with the applied engineering team to integrate automation and intelligence across systems.
- Shape and maintain the integration layer connecting REST APIs, SQL sources, and third-party systems.
- Define and enforce best practices for product engineering, architecture, and developer experience as the company scales.
Who You Are (Must-Haves)
Nice-to-Haves
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