Senior Backend Engineer (Payments): Designing and optimizing robust backend services for a integral employee benefits platform with an accent on transactional precision, idempotency, and fault tolerance. Focus on evolving distributed architectures, ensuring high-stakes quality, and driving operational excellence in high-volume payment systems.
Location:

Hybrid in Madrid, Spain
Company

Pluxee is a global player in employee benefits and engagement that operates in 31 countries, helping companies attract, engage, and retain talent.
What you will do

Design and optimize robust backend services for high-volume traffic and 100% data consistency.
Evolve existing systems into scalable, event-driven distributed architectures.
Ensure high-stakes quality through comprehensive testing (unit, integration, acceptance) and performance simulations.
Monitor service health in production, using observability tools to proactively identify and resolve bottlenecks or anomalies.
Share expertise through deep code reviews, mentoring junior engineers, and documenting engineering standards.
Requirements





5+ years of experience

developing production-grade applications, specifically within the

Node.js ecosystem (TypeScript) .
Direct experience with banking systems, payment gateways, ledger systems, or reconciliation processes .
Deep understanding of distributed systems mastery , including race conditions, eventual consistency, idempotency, and message brokers.
Systematic approach to troubleshooting complex issues in high-concurrency environments.
Extensive experience with automated testing patterns and a "shift-left" security mindset.
Fluency in English and Spanish .
Culture & Benefits

Meaningful job contributing to the future of employee benefits and impacting millions of lives and local communities.
Be part of a multicultural, fast-paced, and innovative team environment.
Emphasis on authentic care for people, wellbeing, and work-life balance.
Inclusive workplace that embraces diversity and

📌 Senior Backend Engineer | Payments Squad (Madrid)
🏢 Talanto
📍 Madrid