Permanent Regular

Pluxee is a global player in employee benefits and engagement that operates in 31 countries. Conducting its business as a trusted partner for more than 45 years, Pluxee is committed to creating a positive impact on all its stakeholders, from driving business to local communities, to supporting wellbeing at work for employees while protecting the planet.

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Senior Backend Engineer

a high-performance team dedicated to building the engine that moves money globally. we design resilient, mission-critical systems where

Build and optimize robust backend services capable of handling high-volume traffic while ensuring 100% data consistency and system reliability.

Understand the complexities of existing systems and evolve them into scalable, event-driven architectures to meet future integral product requirements.

High-Stakes Quality:

You will be responsible for comprehensive testing (unit, integration, and acceptance) as well as advanced load and performance simulations.

Share your expertise through deep code reviews, mentoring junior engineers, and documenting engineering standards that elevate the entire squad.

Backend Core:

Node.js (TypeScript), NestJS (or similar frameworks).

Data & State:

MongoDB (Atlas), Redis for caching and distributed locking.

Docker, Kubernetes,



GitLab CI/CD (deploying multiple times daily).

Sentry and Datadog/New Relic for real-time monitoring.

GitHub, GitLab, Slack, JIRA, Notion.

(Note: You will collaborate closely with our React/React Native teams, but your focus will be 100% Backend).

Proven Senior Expertise:

5+ years of experience developing production-grade applications, specifically within the Node.js ecosystem.

Direct experience with banking systems, payment gateways (Stripe, Adyen, etc.), ledger systems, or reconciliation processes.

Deep understanding of race conditions, eventual consistency, idempotency, and message brokers.

Quality First:

Extensive experience with automated testing patterns and a "shift-left" security mindset.

Focus shifted:

From general "backend" to "transactional precision and idempotency."

Moved React/React Native out of your "Daily Stack" to avoid attracting full-stack profiles when you need a backend specialist.

Included monitoring (Datadog/New Relic) as it's vital for a Senior role in payments.

Added specific fintech requirements like ledger systems and reconciliation.

Spanish & English

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Our business model delivers not just for individuals but their communities too, by supporting local businesses and economies.

📌 Senior Backend Developer Spanish/English (Madrid)
🏢 Pluxee
📍 Madrid