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Senior Full Stack Developer

💰 $140,000 - $200 🌍 Los Angeles 📅 03/27/2025

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Founding Engineering Partner

💰 $180,000 - $220,000 🌍 Los Angeles, California 📅 07/07/2026

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Job Description

**AI-Native SaaS | Equity Opportunity | Contract-to-Leadership**

Build the company—not just the software.

Most startups are looking for another engineer.
We’re looking for someone who wants to become the technical leader behind an
ambitious AI company.

Sadaora has already built Idii., an AI-native platform designed to help people
make better decisions, stay organized, and continuously improve through
personalized AI guidance.

* The platform is live.
* The engineering foundation exists.

Now we’re entering the most important phase of the company:

Finding product-market fit, scaling engineering, and building a venture-scale
business.
We’re looking for an exceptional full-stack engineer with deep backend and AI
experience to help lead that journey.

**Why This Role Is Different**
This is not an immediate co-founder position.
Instead, we’re looking for someone interested in proving what we can build
together.
The engagement begins with a paid contract leading engineering efforts on a
strategic customer pilot while partnering closely with our Founder & CEO and
existing engineering team.
If there’s strong mutual fit—technically, strategically, and personally—there
is a clear path into a long-term leadership position, including Head of
Engineering, CTO, or Technical Co-Founder, depending on the value you create
and the direction we decide to pursue together.
We believe founder relationships should be earned through shared execution,
not assigned after a few interviews.

**Your First Mission**
Your initial focus will be leading engineering execution for a high-impact
commercial pilot while helping us accelerate our path to product-market fit.

**You’ll work directly with the Founder & CEO to:**
• Ship product improvements quickly
• Improve engineering velocity
• Strengthen backend architecture
• Expand AI capabilities
• Improve scalability and reliability
• Translate customer feedback into product improvements
• Help establish engineering processes that can support long-term growth

**You’ll Be Working With**
You’ll join an existing engineering team that includes experienced machine
learning talent.
Rather than replacing the current team, you’ll provide technical leadership
across engineering while collaborating closely with specialists in AI and
machine learning.
We’re looking for someone who enjoys building strong teams as much as building
strong software.

**What You’ll Own**

* Engineering Leadership
* Drive day-to-day engineering execution
* Own technical planning and delivery
* Improve engineering processes
* Guide architectural decisions
* Help recruit and mentor future engineers
* Balance speed with long-term scalability

**Backend & Platform**
• Design scalable backend services
• Improve APIs and data architecture
• Optimize system performance
• Build reliable cloud infrastructure
• Improve security and operational excellence

**AI Product Development**
• Integrate and optimize LLM-powered experiences
• Improve personalization systems
• Expand intelligent workflows
• Design scalable AI application architecture
• Evaluate emerging AI technologies that create customer value

**Product Partnership**

* Work directly with the Founder & CEO
* Rapidly test ideas with customers
* Prioritize engineering investments
* Help identify what customers truly value
* Build products users love—not features users ignore

**What We’re Looking For**
We’re less interested in titles than proven execution.
You have likely:

* Built and shipped production software
* Led complex engineering projects
* Designed scalable backend systems
* Built AI-powered applications using modern LLMs
* Worked successfully in startup environments
* Made technical decisions with incomplete information
* Enjoyed owning outcomes—not just writing code

**Strong experience with many of the following:**

* Python
* TypeScript
* Node.js
* React
* MongoDB and/or PostgreSQL
* REST APIs
* Docker
* CI/CD
* Google Cloud Platform
* LangChain or similar frameworks
* Retrieval-Augmented Generation (RAG)
* Vector databases
* AI orchestration frameworks
* Modern LLM application development

**What Success Looks Like**
Within your first few months, you’ve helped us:

* Ship faster
* Improve platform quality
* Deliver a successful customer pilot
* Strengthen engineering discipline
* Build confidence that we’re moving toward product-market fit
* Longer term, you’ll help build the engineering organization capable of supporting a world-class AI platform.

**Compensation**

* Initial Engagement
* Paid contract engagement
* Opportunity to lead a strategic commercial pilot
* Long-Term Opportunity
* Significant equity for the right partner
* Leadership position based on demonstrated impact
* Future cash compensation aligned with company funding milestones
* Clear path toward Head of Engineering, CTO, or Technical Co-Founder

**Who You’ll Work With**
You’ll partner directly with the Founder & CEO to shape the future of the
company while collaborating with an existing engineering team committed to
building exceptional technology.

**How to Apply**
Please include:

* Resume or LinkedIn
* GitHub profile
* Portfolio or production applications you’ve built
* Brief description of the most technically challenging product you’ve shipped