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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Vacancy: Software Engineer - **Company:** Pluxee España - **Location:** Burgos, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, JIRA, Automation of Tests, Code Review, Databases, Fault Tolerance, Github, Message Broker, Microsoft OneNote, MongoDB, Node.Js, Payment Gateway, Redis, TypeScript, Datadog, GitHub Copilot, ReactJS, Reliability of Systems, Backend, Gitlab, Event Driven Architecture, Stripe, Gitlab-ci, Kubernetes, Slack, Sentry, React Native, NestJS, New Relic (SaaS), GPT, Docker - **Published:** August 24, 2026 - **Apply:** https://www.buscojobs.com.es/vacancy-software-engineer-en-burgos-ID-368544627 ## About the Role Proven Senior Expertise: 5+ years of experience developing production-grade applications. Experience within the Node.js ecosystem will be a plus. Deep understanding of race conditions, eventual consistency, idempotency, and message brokers. The \"Payments Mindset\": experience with banking systems, payment gateways (Stripe, Adyen, etc.), ledger systems, or reconciliation processes will be a plus. Quality First: Extensive experience with automated testing patterns and a \"shift-left\" security mindset. Spanish & English fluency. ?? Our business model delivers not just for individuals but their communities too, by supporting local businesses and economies. ## Description Pluxee is a global player in employee benefits and engagement that operates in 28 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.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 design resilient, mission-critical systems where transactional precision , idempotency , and fault tolerance are at the heart of everything we do.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 global 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.Actively leverage AI tools and coding assistants on a daily basis to accelerate development cycles, automate repetitive tasks, and optimize overall team processes and delivery speed.Backend Core: Node.js (TypeScript), NestJS (or similar frameworks).~ Data & State: MongoDB (Atlas), Redis for caching and distributing locking and PosgreSQL for our ledger database ~ Infrastructure: Docker, Kubernetes, GitLab CI/CD (deploying multiple times daily).~ Sentry and Datadog/New Relic for real-time monitoring.~ GitHub Copilot, Claude Sonnet, ChatGPT, and other GenAI assistants.~ 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.Experience within the Node.js ecosystem will be a plus.Deep understanding of race conditions, eventual consistency, idempotency, and message brokers.The \"Payments Mindset\": experience with banking systems, payment gateways (Stripe, Adyen, etc.), ledger systems, or reconciliation processes will be a plus.Quality First: Extensive experience with automated testing patterns and a \"shift-left\" security mindset.Spanish & English fluency.?? 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