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