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

About D50 AID50 AI is building the future of AI-powered marketing & business automation. We're a fast-growing startup that combines cutting‑edge AI technology with practical business solutions.The RolePosition: Full‑Stack Developer (Full‑Time, Hybrid)Location: Dubai, UAECompensation: Competitive salary + equityStart Date: ImmediateYou will be the lead developer responsible for:Building and maintaining our multi‑engine SaaS platformImplementing new features across Lead Gen, Content, and AI Agent enginesIntegrating external APIs (VAPI, HeyGen, Stripe, etc.)Deploying and managing production infrastructureWorking directly with the founder to shape product directionKey ResponsibilitiesDevelopment (70%)Implement new features across all enginesBuild tRPC procedures and frontend UIIntegrate external APIs (VAPI, HeyGen, Workable, etc.)Write database migrations and queriesOptimize performance and scalabilityInfrastructure (15%)Deploy to RailwayManage environment variables and secretsMonitor production healthDebug and fix issuesSet up CI/CD pipelinesCollaboration (15%)Work directly with founder on product directionDocument code and architectureReview and refactor existing codeCommunicate progress and blockersParticipate in planning and strategyMust‑Have Qualifications1.5+ years of full‑stack development experience2+ years working with the exact tech stack listed above (React, TypeScript, tRPC, Drizzle)3+ years building AI agents or agentic systemsProven experience with complex SaaS platforms (multi‑tenant, payments, integrations)Strong portfolio of production applications you've builtExcellent English communication (written and verbal)Self‑starter who can work independently without constant supervisionProblem solver who can debug complex issues across the stackFast learner who can pick up new APIs and technologies quicklyAvailable full‑time (40+ hours/week)Nice‑to‑Have QualificationsExperience 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 togetherExperience with Railway deploymentExperience building recruitment/hiring toolsExperience building content creation toolsExperience building lead generation toolsWhat Makes You Stand OutYou've built and deployed AI agents in productionYou've worked on multi‑engine SaaS platforms beforeYou can show us GitHub repos of complex projects you've builtYou have experience with Manus, Cursor, or Claude CodeYou've integrated 10+ external APIs in a single projectYou've managed 200+ database tables in productionYou've built marketplace platforms with paymentsYou're comfortable working with both SQL and NoSQL databasesYou can work independently and make architectural decisionsYou're passionate about AI and automationAutomatic Disqualifiers❌ You don't have AI agent experience❌ You haven't worked with our tech stack (React, TypeScript, tRPC, Drizzle)❌ You don't answer ALL screening questions❌ You provide generic/copy‑paste answers❌ You can't provide portfolio links❌ You're not available full‑time❌ You can't start within 2 weeks❌ You don't have strong English communication skillsIdeal Candidate ProfileYou are:A senior full‑stack developer with 5+ years experienceAn AI agent enthusiast who's built autonomous systemsA fast learner who can pick up new technologies quicklyA problem solver who thrives on complex challengesA self‑starter who doesn't need hand‑holdingPassionate about AI and automationExcited about startups and high‑growth environmentsAvailable immediately and ready to hit the ground runningYou have:Built production SaaS platforms with payments and integrationsWorked with complex databases (100+ tables)Integrated multiple external APIs (10+)Built AI agents that make decisions autonomouslyUsed AI coding tools (Manus, Cursor, Claude Code, etc.)A strong portfolio of projects you can showExcellent communication skills (English)A growth mindset and hunger to learnYou want:High impact – your work mattersAutonomy – you own the productGrowth – become CTO as we scaleCutting‑edge tech – work with latest AIRemote flexibility – work from anywhereEquity stake – share in company successHow To ApplySend your application to: div@d50.aiSubject Line: "Full‑Stack Developer - (Your Name)"Include:Answers to ALL 10 screening questionsYour resume/CVLinks to 3 portfolio projectsLinks to your GitHub, LinkedIn, and personal website (if any)A brief video introduction (2‑3 minutes) explaining:Who you areYour experience with our tech stackThe most complex AI agent you've builtWhy you want to work at D50 AIApplications without complete answers will be automatically rejected.About The FounderSoltane is an entrepreneur and AI enthusiast who's building D50 AI to revolutionize marketing & business automation. He's founded a well established