Senior Backend Engineer | Payments Squad page is loaded## Senior Backend Engineer | Payments Squadremote type: Hybridlocations: Madridtime type: Vollzeitposted on: Heute ausgeschriebenjob requisition id: R4218Unbefristet festangestelltJob Description:Pluxee is a integral player in employee benefits and engagement that operates in 31 countries. Pluxee helps companies attract, engage, and retain talent thanks to a broad range of solutions across Meal & Food, Wellbeing, Lifestyle, Reward & Recognition, and Public Benefits. Powered by leading technology and more than 5,000 engaged team members, Pluxee acts as a trusted partner within a highly interconnected B2B2C ecosystem made up of more than 500,000 clients, 36 million consumers and 1.7 million merchants. 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. **Your next challenge** Join **Pluxee** as a **Senior Backend Engineer** and become a key contributor to our mission of revolutionizing employee compensation. You’ll join the **Payments Squad**, a high-performance team dedicated to building the engine that moves money globally. We don’t just write code; we design resilient, mission-critical systems where **transactional precision**, **idempotency**, and **fault tolerance** are at the heart of everything we do.**What You’ll Do*** **Design for Resilience:** Build and optimize robust backend services capable of handling high-volume traffic while ensuring 100% data consistency and system reliability.* **Evolve Distributed Architectures:** Understand the complexities of existing systems and evolve them into scalable, event-driven architectures to meet future global product requirements.* **High-Stakes Quality:** In Payments, there is no room for error. You will be responsible for comprehensive testing (unit, integration, and acceptance) as well as advanced load and performance simulations.* **Operational Excellence & Observability:** Monitor service health in production, using observability tools to proactively identify and resolve bottlenecks or anomalies.* **Technical Leadership:** Share your expertise through deep code reviews, mentoring junior engineers, and documenting engineering standards that elevate the entire squad.**Our Technical Stack*** **Backend Core:** Node.js (TypeScript), NestJS (or similar frameworks).* **Data & State:** MongoDB (Atlas), Redis for caching and distributed locking.* **Infrastructure:** Docker, Kubernetes, GitLab CI/CD (deploying multiple times daily).* **Observability:** Sentry and Datadog/New Relic for real-time monitoring.* **Collaboration:** GitHub, GitLab, Slack, JIRA, Notion.* *(Note: You will collaborate closely with our React/React Native teams, but your focus will be 100% Backend).***You’re a Match If You Have A Few of Below*** **Proven Senior Expertise:** 5+ years of experience developing production-grade applications, specifically within the Node.js ecosystem.* **The "Payments Mindset":** Direct experience with banking systems, payment gateways (Stripe, Adyen, etc.), ledger systems, or reconciliation processes.* **Distributed Systems Mastery:** Deep understanding of race conditions, eventual consistency, idempotency, and message brokers.* **Problem-Solving DNA:** A systematic approach to troubleshooting complex issues in high-concurrency environments.* **Quality First:** Extensive experience with automated testing patterns and a "shift-left" security mindset.* **Growth Mindset:** A passion for continuous learning, open to feedback, and a drive to help others improve their craft.**Key changes made:*** **Focus shifted:** From general "backend" to "transactional precision and idempotency."* **Refined Stack:** Moved React/React Native out of your "Daily Stack" to avoid attracting full-stack profiles when you need a backend specialist.* **Added Observability:** Included monitoring (Datadog/New Relic) as it’s vital for a Senior role in payments.* **Strengthened "Match" section:** Added specific fintech requirements like ledger systems and reconciliation.**Languages:** Spanish & English **Your location** Spain **Happy at work** 1) A meaningful job: Be the change! Help us build the future of employee benefits by bringing to life sustainable and personalized experiences and contribute to make a real impact on millions of lives. Our business model delivers not just for individuals but their communities too, by supporting local businesses and economies. 2) A great culture: People matter – a lot! Be part of a multicultural team that moves as one in a fast paced and innovative environment. We respect and care authentically about our people, we embrace wellbeing and work-life balance, new ideas and we have a lot of fun! 3) An empowering environment: Be yourself! At Pluxee we proudly embrace diversity and value the uniqueness of our talents, fostering an inclusive work place where all abilities are celebrated, and equal learning and growing opportunities are a given.
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