Description

An advanced checkout marketing platform that transforms the post-purchase moment into a high-impact engagement opportunity. Using AI and real-time decisioning, it delivers personalized offers during checkout, helping businesses boost revenue while enhancing the customer experience. Built by experienced ad-tech professionals, it combines ad-serving infrastructure, scalable analytics, and seamless integrations to power high-performance e-commerce growth.

We are currently looking for a Senior Full Stack Engineer to join our team and help build and scale this next-generation platform.

Our Tech Stack : Backend: KeystoneJS 6, Node.js, PostgreSQL 16, Redis, Prisma ORM Frontend: Next.js 15, React 19, TypeScript, Tailwind CSS, Radix UI Infrastructure: AWS ECS, Terraform, Docker, Application Load Balancer Tooling: Yarn Workspaces, Jest, Playwright, Task Runner, Sentry AI-Forward: We use AI extensively across development, automation (n8n), product management, and marketing



What You'll Do:

  • Architect and implement core ad-serving infrastructure
  • Design high-performance APIs that handle real-time bidding
  • Create sophisticated analytics systems for revenue tracking
  • Manage database migrations and performance optimization
  • Implement third-party integrations with major partners
  • Build developer tools and automation workflows
  • Create comprehensive analytics dashboards
  • Optimize queries and caching strategies
  • Implement A/B testing frameworks
  • Work directly with founders and product team
  • Shape technical architecture and engineering culture
  • Mentor junior developers and contractors

Requirements

Who We're Looking For:

Core Requirements

  • 5+ years of full-stack development experience
  • Expert-level TypeScript/JavaScript and modern frameworks
  • Production experience with PostgreSQL, APIs, and cloud infrastructure
  • Ownership mindset - you see problems and solve them without being asked

Startup DNA

  • Sense of urgency - you understand that speed and quality aren't mutually exclusive
  • Adaptability - you thrive when priorities shift and requirements evolve
  • AI enthusiast - you see AI-driven development as essential, not optional
  • Disagree and commit - you voice opinions then align with team decisions
  • Multitasker - you can context-switch between infrastructure, frontend, and business logic

Technical Edge

  • Bleeding-edge curious - you experiment with new technologies and share learnings
  • Data-driven - you make decisions based on metrics, not assumptions
  • Systems thinker - you understand how pieces fit together at scale

Bonus Points

  • Ad-tech experience - you understand RTB, DSPs, attribution, or affiliate marketing
  • Data engineering - you've built ETL pipelines, analytics systems, or data warehouses
  • Our exact stack - KeystoneJS, Next.js, PostgreSQL, AWS infrastructure