Senior Full-Stack Product Engineer — AI-Driven Payments

Pluxee; España; On-site; EUR 70,000 - 95,000; Full time

Job summary

Pluxee is seeking a Senior Product Engineer to own features end-to-end across backend, frontend, and AI-assisted workflows within one of our core domains. You will work on multi-region platforms, ensuring transactional integrity and scalable architectures in a fast-paced environment.

The role emphasizes technical leadership, automated testing, and close collaboration with cross-functional squads to deliver high-impact product experiences for Cobee by Pluxee.

Qualifications

• 5+ years of experience building production-grade applications, full-stack or across layers.
• Experience with TypeScript ecosystem is a plus.
• Strong understanding of distributed systems concepts like eventual consistency and idempotency.

Responsibilities

• Own features end-to-end from domain design through backend services to the UI and observability.
• Design for resilience at scale and ensure data consistency and reliability as product requirements grow.
• Evolve distributed architectures to scalable, event-driven systems for global needs.
• Champion comprehensive automated testing and run load/ performance simulations for stability.
• Provide technical leadership through code reviews, mentoring, and engineering standards.
• Leverage AI tools daily to accelerate development and optimize team delivery.

Skills

Full-stack development

Distributed systems

AI tooling

Code reviews

Mentoring

Tools

Node.js

React

TypeScript

NestJS

MongoDB

Job description

Pluxee is seeking a Senior Product Engineer to own features end-to-end across backend, frontend, and AI-assisted workflows within one of our core domains. You will work on multi-region platforms, ensuring transactional integrity and scalable architectures in a fast-paced environment.

The role emphasizes technical leadership, automated testing, and close collaboration with cross-functional squads to deliver high-impact product experiences for Cobee by Pluxee.