Permanent Regular You’llown features end-to-end — backend, frontend, and the AI-assisted workflows that let one engineer move fluidly across the stack — inside one of our core domains. You’llown features end-to-end — backend, frontend, and the AI-assisted workflows that let one engineer move fluidly across the stack — inside one of our core domains. Benefitsisn’ta simple CRUD layer —it’sa rich domain with multi-tenant configurations, eligibility rules that vary by company and country, tax compliance requirements, and real-time state that must always be consistent.

Covers areas like health insurance, pensions, custom benefits, food and transport, childcare, training, and renting. A high-performance team dedicated to resilient, mission-critical systems where transactional precision, idempotency, and fault tolerance are at the heart of everything. Leaders — The Leaders domain coversthe employee-facing mobile and web experience within the Cobee platform, managing personal data, benefit visibility, and privacy compliance (GDPR/LPD).

A domain where company‑level configuration, data integrity, and cross‑region consistency matter as much as UX.

Own Features

End-to-End : Take a feature from domain design through backend services to the UI that ships it, and the observability that tells youit’sworking. Build andoptimizerobust software capable of handling high‑volume traffic while ensuring data consistency and system reliability, evolving existing systems into scalable, event‑driven architectures as product requirements grow.



You will champion comprehensive automated testing (unit, integration, and e2e) and run advanced load and performance simulations to guarantee rock‑solid stability ActivelyleverageAI tools and coding assistantson a daily basisto accelerate development cycles(SDD), automate repetitive tasks, andoptimizeoverall team processes and delivery speedpowered by AI Agents.

Stack: Node.js (TypeScript),NestJS(or similar frameworks),React, React Native.

Data & State: MongoDB (Atlas), Redis for caching and distributedlocking and PostgreSQL Infrastructure: Docker,Kubernetes,GitLabCI/CD (deployingmultipletimesdaily). Sentry and Datadog/New Relic for real‑time monitoringandPostHog. GitHub,GitLab,Teams, JIRA,Confluence.

Proven Senior Expertise: 5+ years of experiencebuilding production‑grade applications, full‑stack or with strong ability to work across layers.(Comfort working across backend and frontend, using AI tooling to close gaps in unfamiliar territory. The “PaymentsMindset”: experiencewithbankingsystems,paymentgateways(Stripe, Adyen, etc.),Extensiveexperiencewithautomatedtestingpatternsand a “shift-left”securitymindset. Spanish & Englishfluency.

Get space to try new ideas, experiment and move the world of work forward as you bring new digital experiences - and moments of connection - to millions of people. Touch millions of lives and create meaningful change for people and the world we share, supporting our commitments to diversity, sustainability, and local economies.

📌 Engineer/Constructeur (Madrid)
🏢 Pluxee
📍 Madrid