Part-Time Founding Engineer

Stealth Startup • Saudi Arabia
Remote
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AI Summary

We are seeking a Part-Time Founding Engineer to maintain and improve an existing production web application and app. The role involves full-stack development, code quality and maintenance, and performance and security enhancements. The ideal candidate will have 3-6 years of experience as a Full-Stack Software Engineer.

Key Highlights
Maintain and improve an existing production web application and app
Full-stack development
Code quality and maintenance
Performance and security enhancements
Key Responsibilities
Maintain and improve an existing production web application and app
Full-stack development
Code quality and maintenance
Performance and security enhancements
Test core user flows (registration, matching, messaging, payments)
Ensure consistent behavior across browsers and devices
Validate Arabic (RTL) and English interfaces
Technical Skills Required
React Next.js Tailwind CSS Python Google Gemini API Git REST APIs
Benefits & Perks
Remote work
Part-time engagement (~10 hours per week)
Budget: 2000-3000 SAR + equity
Nice to Have
Experience with Firebase security rules
Experience with early-stage or startup products
Familiarity with Arabic-first products and cultural UX

Job Description


Remote | 10-20 Hours per Week


Role Overview

We are looking for a Part-Time Founding engineer to take end-to-end technical ownership of an existing production web application and app.

The role includes maintaining and improving an AI-assisted codebase, fixing issues, enhancing performance and security, and building features when required. You will be responsible for keeping the system stable while allowing it to evolve safely.

This is a hands-on role focused on execution, judgment, and reliability.


Key Responsibilities

Full-Stack Development

  • Work across frontend and backend to enhance and extend the application
  • Build small to medium features without breaking existing functionality
  • Improve existing user flows, logic, and system behavior
  • Make pragmatic technical decisions aligned with product needs

Code Quality & Maintenance

  • Review and maintain an AI-generated / AI-assisted codebase
  • Refactor code when needed to improve clarity and maintainability
  • Fix bugs, logical issues, and edge cases
  • Ensure clean, readable, and reliable code

QA & Reliability

  • Test core user flows (registration, matching, messaging, payments)
  • Ensure consistent behavior across browsers and devices
  • Validate Arabic (RTL) and English interfaces
  • Support releases and ensure smooth deployments

Performance & Security

  • Monitor application performance and reliability
  • Optimize APIs, database queries, and overall system efficiency
  • Review authentication and authorization logic
  • Apply web security best practices and flag potential risks
  • Ensure proper handling of sensitive user data

Communication & Documentation

  • Communicate technical risks and trade-offs clearly
  • Provide light documentation for critical system areas
  • Proactively suggest improvements when appropriate

Requirements

Experience

  • 3–6 years of professional experience as a Full-Stack Software Engineer
  • Proven experience owning and maintaining production systems
  • Strong debugging and problem-solving skills
  • Comfortable working independently and owning outcomes
  • Fluent in English and Arabic (written and spoken)

Technical Stack (Hands-on Experience Required)

  • Frontend
  • React
  • Next.js
  • Tailwind CSS
  • Arabic RTL support
  • Backend & Platform
  • Python
  • AI & Automation
  • Google Gemini API (or similar LLM APIs)
  • Working with AI-generated / AI-assisted code
  • AI-based logic (matching, recommendations, explanations)
  • General Engineering
  • REST APIs
  • Git version control
  • Deployment and environment management
  • Error handling and monitoring
  • Authentication & authorization best practices
  • Web security fundamentals

Nice to Have

  • Experience with Firebase security rules
  • Experience with early-stage or startup products
  • Familiarity with Arabic-first products and cultural UX

Working Model

  • Part-time engagement (~10 hours per week)
  • Fully remote
  • Flexible working hours
  • Increased involvement during releases or critical issues when needed


Budget: 2000-3000 SAR + equity


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