About PagoNxt Payments
PagoNxt Payments is Santander Group's global payments platform, focused on providing tailored financial infrastructure for companies, banks, and fintechs both inside and outside the Santander ecosystem. With operations in over 10 countries, our mission is to simplify payments and empower businesses through secure, flexible, data‑driven technology. We operate on a cloud‑native architecture designed to scale for global organizations, supporting international transactions, FX, multi‑currency accounts, regulatory compliance, and fraud prevention. Our platform combines the agility of a fintech with the reliability of a general bank.
Platform Engineer – Senior
We are looking for a Senior Platform Engineer to join our Platform team and play a key role in evolving and operating the foundational infrastructure that powers our engineering organization. The Platform team is responsible for running and evolving cloud infrastructure (AWS, including EKS) and the shared services that enable our engineering teams to build and operate scalable, reliable systems.
Key Responsibilities
- Design, implement, and operate scalable and secure AWS‑based infrastructure.
- Manage and evolve Kubernetes clusters (EKS), ensuring high availability and performance.
- Improve infrastructure through automation and Infrastructure as Code (Terraform, CloudFormation, or similar).
- Contribute to architecture decisions that improve platform resilience, scalability, and cost efficiency.
- Operate and optimize shared services such as RDS, MongoDB, Confluent Kafka, Redis, RabbitMQ, IBM MQ, Elasticsearch, ensuring high availability, performance tuning, backup/recovery, and disaster recovery readiness.
- Standardize service provisioning and lifecycle management.
- Lead improvements in observability, monitoring, alerting, and incident response.
- Strengthen platform resiliency and fault tolerance.
- Drive root‑cause analysis and preventive improvements after incidents.
- Define and track SLIs/SLOs for platform services.
- Design self‑service capabilities for engineering teams.
- Reduce friction in provisioning and operating infrastructure.
- Collaborate closely with engineering teams to understand their needs and proactively improve platform capabilities.
- Document and communicate best practices clearly.
- Identify opportunities for modernization and platform optimization.
- Evaluate new technologies and approaches aligned with business and engineering strategy.
- Contribute to platform roadmap and technical strategy.
Technical Expertise
- Strong experience with AWS in production environments.
- Deep hands‑on experience with Kubernetes (EKS preferred).
- Experience operating distributed systems and stateful services at scale.
- Solid understanding of networking, security, and cloud‑native architectures.
- Experience with Infrastructure as Code (Terraform preferred).
- Familiarity with CI/CD pipelines and DevOps practices.
- Strong knowledge of observability tools (Prometheus, Grafana, ELK, Datadog).
- Hands‑on experience with messaging and event‑driven architectures including RabbitMQ, IBM MQ, and Confluent.
- Experience with database technologies, including relational and NoSQL systems such as PostgreSQL and MongoDB.
Engineering Mindset
- Strong troubleshooting and problem‑solving skills.
- Experience in high‑availability and mission‑critical systems.
- Ability to balance operational stability with innovation.
- Comfortable working in complex, distributed environments.
Soft Skills
- Strong communication skills.
- Ability to work closely with product engineering teams.
- Mentorship mindset – supporting and elevating other engineers.
- Proactive and ownership‑driven attitude.
- Comfortable challenging the status quo constructively.
- Fluent English and Spanish.
Nice to Have
- Experience in regulated or high‑availability environments.
- Experience with platform engineering models (internal developer platforms).
- Knowledge of security best practices and compliance frameworks.
- Experience with cost optimization in cloud environments.
- Previous experience in incident management or SRE practices.
What Success Looks Like
- Engineering teams can provision and use platform services easily and reliably.
- Platform incidents are reduced, well‑managed, and continuously improved upon.
- Infrastructure scales seamlessly with product growth.
- Platform is perceived as a strategic enabler, not a bottleneck.
- Clear technical direction and continuous improvement mindset within the team.
Why Join Us
- Help shape the backbone of our engineering ecosystem.
- Work on complex distributed systems at scale.
- Have autonomy, ownership, and real impact.
- Collaborate with talented engineers across the organization.
- Build a platform culture focused on resilience, performance, and enablement.
What We Offer
- Medical insurance
- Dental insurance
- Wellhub program
- Life insurance
- Annual healthcare coverage
- Transportation allowance
- Meal voucher/food voucher
- Profit sharing program
- Access to self‑development programmes
- Hybrid collaborative environment – successful candidate must be prepared to work 60% on site.
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