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# Full Stack Engineer

- **Company:** Cognizant
- **Location:** Alcalá de Henares, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Release Automation, Continuous Integration, Data Security, Github, Monitoring of Systems, Network Security, Routing, PCI Data Security Standards, Prometheus, TypeScript, Openapi, Google Cloud, Load Balancing, ReactJS, Grafana, Spring-boot, Backend, Kotlin, Event Driven Architecture, Front End Software Development, Api Gateway, Restful APIs, Terraform, Splunk, Dynatrace, Serverless Computing, Microservices
- **Published:** November 8, 2026
- **Apply:** https://www.adzuna.es/details/5957853615

## About the Role

serverless, container-based platform. + Build and improve CI/CD pipelines covering testing, validation, release automation, and deployment. + Support production through monitoring, incident triage, root-cause analysis, and payment status reconciliation. + Contribute to platform and edge improvements and to technical documentation. + Collaborate with platform teams and external provider contacts. **Required Skills** + Strong backend experience in **Kotlin** (or Java with a readiness to work in Kotlin) and a modern framework such as **Micronaut** or Spring Boot. + Hands-on experience with **Google Cloud Platform** (serverless compute, messaging, load balancing, security, secret management). + Experience designing and consuming **REST APIs** and **OpenAPI** specifications, and working with API gateways. + Solid understanding of **webhook and callback patterns** , idempotency, retries, and failure handling. + Working knowledge of **encryption and secure data exchange** . +
**Infrastructure as Code** with Terraform. + **CI/CD** with GitHub Actions or an equivalent tool. + Strong testing discipline (unit, integration, contract) and observability practices. **Nice to Have** + Experience in **payments or fintech** , including PSP integrations, reconciliation, and PCI-DSS awareness. + Knowledge of CDN and edge security (WAF, routing, security rules). + Frontend skills (TypeScript, React or similar) for payment, redirect, or status-handling flows and internal tooling. + Familiarity with regional payment methods and regulatory guidelines. + Experience with event-driven architectures and microservices. + Experience with monitoring tools such as Dynatrace, Splunk, Prometheus, or Grafana. Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other