Full-Stack Developer AI-Powered SaaS Platform (D50 AI)

About D50 AI

D50 AI is building the future of AI-powered marketing & business automation. Were a fast-growing startup that combines cutting-edge AI technology with practical business solutions.

Were looking for an exceptional Full-Stack Developer who can take ownership of the entire platform and drive it forward independently.

The Role

Position: Full-Stack Developer (Full-Time Hybrid)

Location: Dubai UAE

Compensation: Competitive salary equity

Start Date: Immediate

Youll be the lead developer responsible for:

Building and maintaining our multi-engine SaaS platform

Implementing new features across Lead Gen Content and AI Agent engines

Integrating external APIs (VAPI HeyGen Stripe etc.)

Deploying and managing production infrastructure

Working directly with the founder to shape product direction

This is a high-impact role where youll have full ownership and autonomy.

Key Responsibilities

Development (70%)

Implement new features across all engines

Build tRPC procedures and frontend UI

Integrate external APIs (VAPI HeyGen Workable etc.)

Write database migrations and queries

Optimize performance and scalability

Infrastructure (15%)

Deploy to Railway

Manage environment variables and secrets

Monitor production health

Debug and fix issues

Set up CI/CD pipelines

Collaboration (15%)

Work directly with founder on product direction

Document code and architecture

Review and refactor existing code

Communicate progress and blockers

Participate in planning and strategy

Must-Have Qualifications

1.5 years of full-stack development experience

2 years working with the exact tech stack listed above (React TypeScript tRPC Drizzle)

3 years building AI agents or agentic systems

experience with complex SaaS platforms (multi-tenant payments integrations)

portfolio of production applications youve built

English communication (written and verbal)

-starter who can work independently without constant supervision

solver who can debug complex issues across the stack

learner who can pick up new APIs and technologies quickly

full-time (40 hours/week)

Nice-to-Have Qualifications

Experience with Inngest (background jobs)

Experience with VAPI or Bland AI (AI calling platforms)

Experience with HeyGen (AI avatar videos)

Experience with Stripe Connect (marketplace payments)

Experience with OpenClaw or Puppeteer (browser automation)

Experience with LangChain or LangGraph (agent frameworks)

Experience with MongoDB and MySQL together

Experience with Railway deployment

Experience building recruitment/hiring tools

Experience building content creation tools

Experience building lead generation tools

What Makes You Stand Out

Youve built and deployed AI agents in production

Youve worked on multi-engine SaaS platforms before

You can show us GitHub repos of complex projects youve built

You have experience with Manus Cursor or Claude Code

Youve integrated 10 external APIs in a single project

Youve managed 200 database tables in production

Youve built marketplace platforms with payments

Youre comfortable working with both SQL and NoSQL databases

You can work independently and make architectural decisions

Youre passionate about AI and automation

Automatic Disqualifiers

We will NOT consider applications if:

You dont have AI agent experience

You havent worked with our tech stack (React TypeScript tRPC Drizzle)

You dont answer ALL screening questions

You provide generic/copy-paste answers

You cant provide portfolio links

Youre not available full-time

You cant start within 2 weeks

You dont have strong English communication skills

Ideal Candidate Profile

You are:

A senior full-stack developer with 5 years experience

An AI agent enthusiast whos built autonomous systems

A fast learner who can pick up new technologies quickly

A problem solver who thrives on complex challenges

A self-starter who doesnt need hand-holding

Passionate about AI and automation

Excited about startups and high-growth environments

Available immediately and ready to hit the ground running

You have:

Built production SaaS platforms with payments and integrations

Worked with complex databases (100 tables)

Integrated multiple external APIs (10)

Built AI agents that make decisions autonomously

Used AI coding tools (Manus Cursor Claude Code etc.)

A strong portfolio of projects you can show

Excellent communication skills (English)

A growth mindset and hunger to learn

You want:

High impact - your work matters

Autonomy - you own the product

Growth - become CTO as we scale

Cutting-edge tech - work with latest AI

Remote flexibility - work from anywhere

Equity stake - share in company success

How to Apply

Send your application to:

Subject Line: Full-Stack Developer - Your Name

Include:

to ALL 10 screening questions

resume/CV

to 3 portfolio projects

to your GitHub LinkedIn and personal website (if any)

5.A brief video introduction (2-3 minutes) explaining:

Who you are

Your experience with our tech stack

The most complex AI agent youve built

Why you want to work at D50 AI

Applications without complete answers will be automatically rejected.

About the Founder

Soltane is an entrepreneur and AI enthusiast whos building D50 AI to revolutionize marketing & business automation. Hes founded a well established marketing recruitment and sales development company worked with AI agents extensively and uses tools like Manus Codex and Claude Code daily. Hes looking for a technical partner who can take the platform to the next level.

Company Stage

Stage: Early-stage startup (pre-seed)

Product: Live in production with paying customers

Revenue: Growing MRR

Team: Small (founder contractors)

Funding: Bootstrapped (profitable)

Growth: Expanding rapidly

Why Join Now

Ground floor opportunity - shape the product from day 1

High equity stake - get in before Series A

Technical ownership - you own the entire stack

AI revolution - be part of the agentic automation wave

Fast growth - company is scaling quickly

Direct impact - your code affects real customers

Career acceleration - CTO path within 12 months

Ready to Apply

If you meet ALL the requirements and are excited about building AI-powered automation we want to hear from you!

Apply now:

Questions Email us at

D50 AI is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Last Updated: February 14 2026

Job ID: FSDEV-001

Department: Engineering

Reports to: Founder/CEO

Required Tech Stack Experience

Frontend

React 19 (with hooks context modern patterns)

TypeScript (strong typing interfaces generics)

Tailwind CSS 4 (utility-first styling)

shadcn/ui (component library)

Wouter (routing)

Backend

(Express 4)

tRPC 11 (end-to-end type safety)

Drizzle ORM (database queries and migrations)

Superjson (serialization)

Database

MySQL/TiDB (relational database)

MongoDB (document database)

Complex schema design (200 tables)

Infrastructure

Railway (deployment platform)

AWS S3 (file storage)

GitHub (version control CI/CD)

APIs & Integrations

Stripe (payments subscriptions webhooks)

OAuth (Supabase Google GitHub)

RESTful APIs (integration with external services)

Webhooks (event-driven architecture)

Testing & Quality

Vitest (unit and integration testing)

TypeScript strict mode (type safety)

Code review (best practices)

CRITICAL REQUIREMENT: AI Agent Experience

This is non-negotiable. You MUST have hands-on experience with:

Agentic Programming

Building autonomous AI agents that make decisions

LLM integration (OpenAI Anthropic etc.)

Tool calling / Function calling patterns

Agent workflows (planning execution reflection)

Multi-agent systems (coordination between agents)

AI Development Tools

Experience with at least 2 of these:

Manus (AI agent platform)

OpenClaw (browser automation agents)

LangChain (agent frameworks)

AutoGPT / AgentGPT (autonomous agents)

Cursor / Codex / Claude Code (AI coding assistants)

Compensation & Benefits

Competitive salary based on experience

Equity stake in the company (0.5%-2%)

Growth opportunity - become lead as company scales

Cutting-edge tech - work with latest AI tools

High impact - your work directly affects product success

Direct access to founder - no bureaucracy

What We Offer

Technical Growth

Work with cutting-edge AI technology

Build autonomous agents that make real decisions

Integrate with 20 external APIs

Manage complex multi-engine architecture

Learn from founder with deep AI expertise

Career Growth

Start as Lead Developer

Become CTO as company scales

Equity stake in fast-growing startup

Direct impact on product direction

Build and lead team as we grow

Culture

Fast-paced startup environment

High autonomy and ownership

Direct access to founder

No bureaucracy or politics

Focus on shipping and impact

Required Experience:

IC