Senior Backend Engineer - Payments & Distributed Systems

Pluxee España; Spain (TX); On-site; USD 81,000 - 127,000; Full time

Job summary

Pluxee is seeking a Senior Backend Engineer to join the Payments Squad and build the engine that moves money globally. You will design resilient services, evolve distributed architectures, and ensure data integrity in high-volume environments.

The role emphasizes testing, observability, and technical leadership, with opportunities to leverage AI tools to accelerate delivery and improve processes. Global impact and collaboration with frontend and product teams are expected.

Qualifications

• 5+ years of backend development experience in production systems.
• Strong knowledge of building distributed, fault-tolerant services.
• Experience with payments or banking integrations is a plus.
• Proficient in designing for observability and testing.

Responsibilities

• Design resilient backend services capable of handling high-volume traffic and ensuring data consistency.
• Evolve distributed architectures into scalable, event-driven systems.
• Lead testing strategies including unit, integration, and performance tests.
• Improve observability and operational excellence across services.
• Mentor junior engineers and contribute to engineering standards.

Skills

Node.js

Distributed systems

Payments domain

AI tools

Testing

Problem solving

Leadership

5+ years exp

Tools

MongoDB

Redis

PostgreSQL

Sentry

Datadog

GitHub Copilot

Job description

Pluxee is seeking a Senior Backend Engineer to join the Payments Squad and build the engine that moves money globally. You will design resilient services, evolve distributed architectures, and ensure data integrity in high-volume environments.

The role emphasizes testing, observability, and technical leadership, with opportunities to leverage AI tools to accelerate delivery and improve processes. Global impact and collaboration with frontend and product teams are expected.