Full Stack Engineer
Kpler, Athens
The role
As a Mid Full-Stack Engineer at Kpler, you will play a pivotal role in building and scaling the core systems and internal tools that power our product ecosystem. Working across the full software stack, you will construct resilient PHP backend services—including our Stripe-driven payments and subscription billing infrastructure—while crafting responsive, user-friendly frontend interfaces with React and TypeScript. Partnering closely with Product, Finance, Revenue Operations, and CRM teams, your work will directly optimize operational workflows and elevate the experience of our global users.
What you will do
- Architect backend services: Build and maintain high-performing backend services in PHP with clean domain boundaries, specifically managing billing and application management systems.
- Craft responsive frontend user experiences: Design and implement polished, accessible user interfaces using React, TypeScript, and Node.js.
- Ensure production reliability & test coverage: Safeguard core functionality by writing comprehensive end-to-end (E2E) automated tests and implementing robust logging, retries, and failure recovery.