Senior Full-Stack Developer

• Build and own full-stack production code in React, TypeScript, and Node.js
• Take products from AI-generated prototypes into production
• Test work with automated tests, web testing, and real iOS and Android devices
• Use AI-assisted workflows to prototype and validate features rapidly
• Determine when products have outgrown starter platforms and migrate them to proprietary codebases and AWS infrastructure
• Review code, diagnose build bottlenecks, and implement code overrides or refinements
• Establish technical standards for clean, type-safe, and scalable output
• Build from product specifications and acceptance criteria
• Identify specification gaps and propose solutions
• Manage App Store and Google Play submissions, review responses, and release schedules
• Support the digital marketing agency with AWS accounts, hosting, access, software costs, and technical client projects
• Own the technical foundation for new products as the first developer
• Grow into technical leadership through mentoring, code reviews, and team shaping

• 7+ years of hands-on full-stack development experience
• Expertise in React, TypeScript, Node.js, and Supabase/PostgreSQL
• Ability to audit developers' work and enforce structural code quality
• Ability to manage time and priorities independently
• Practical experience with AI code creation or agentic tools such as Lovable, Cursor, Windsurf, or v0
• Strong UI/UX awareness and product intuition
• Ability to identify product gaps and propose solutions proactively
• Exceptional spoken and written English communication skills
• Experience coordinating with international startup teams and founders
• Testing and bug reproduction skills
• Experience with React Native, Capacitor, or another cross-platform mobile technology
• Experience moving products from AI app builders into production codebases
• Experience with AWS
• Experience getting mobile apps through App Store and Google Play review
• Experience working on SaaS or marketing technology products
• Familiarity with analytics, tag management, and CRM integrations
• Fluent English, spoken and written, required
• Nice to have: 3+ years managing remote software engineering teams, running agile sprint cycles, and driving hiring strategies or organization building
• Nice to have: experience training developers and leading code reviews
• Nice to have: experience as a fractional CTO, agency tech lead, or startup technical founder
• Nice to have: deep background in marketing and sales

• Remote work arrangement
• Flexible, self-directed day-to-day work
• Opportunity to grow into technical leadership
• Opportunity to mentor developers and lead code reviews
• Exposure to new product development across a portfolio of companies
• Work with AI-assisted development tools and emerging AI agents