Senior Software Engineer

As a Senior Software Engineer in the Card Payments Platform, you will deliver worldwide, scalable and resilient solutions to support card transactions across the globe. Your mission is to ensure the architectural integrity of our core card processing infrastructure, guaranteeing its extensibility and reliability for future growth. This role is critical to the overall PPRO strategy by enabling seamless expansion into new markets and maintaining our competitive edge in global payment solutions.

Responsibilities

Scale Core Banking: Build ultra-high-volume, low-latency transaction engines within our Cards Platform, focusing on high availability and chaos engineering.; Global Alignment: Collaborate with global Staff Engineers and Product Managers to align regional LatAm business needs with global technical roadmaps.; Tech Leadership: Mentor the São Paulo engineering hub, document architectural decisions, and champion a strong dev culture.; System Resilience: Architect distributed, fault-tolerant ledger systems capable of handling millions of peak daily transactions.

Requirements

Proven Java Expertise: Deep professional experience designing, building, and maintaining complex, enterprise-grade distributed backend systems using modern Java and the Spring Boot ecosystem.; High-Volume Cloud Environments: Hands-on experience operating microservices at scale inside major cloud providers (ideally AWS), with a focus on high availability, multi-region setups, and database optimization.; Containerization & IaC: Mastery of container orchestration (Kubernetes/EKS) and a "GitOps" mindset, utilizing Terraform/Terragrunt to treat infrastructure as software.; Technical Leadership: A history of mentoring mid-level and senior peers, leading high-stakes technical discovery phases, and successfully driving consensus on complex system designs across global engineering organizations.; Communication: Fluency in English, as you will interact with global engineering squads, combined with active participation in the local tech community.

Nice to have

FinTech & Payments Domain: Direct experience with card issuing, acquiring, ledger engines, real-time payment rails (such as Pix), or banking compliance structures (BACEN regulations).; Advanced SRE Practices: Deep familiarity with leveraging Datadog or similar suites for proactive bottleneck identification, performance tuning, and optimizing cloud spend.; Event-Sourcing Patterns: Deep understanding of data consistency models, distributed locks, and managing high-throughput message streaming with Apache Kafka or RabbitMQ.

Benefits

Hybrid working - 3 days/week on site expectation; Work from abroad policy up to 30 days per year; 30-day holiday allowance; 3,000 BRL annual Learning and Development budget; leadership cafés; on-the-job training; life insurance; health insurance + dental plan; travel insurance; meal vouchers BRL 54/day; enhanced family leave; transportation voucher; gym membership contribution; New Value discounts; Mental Health Platform; SESC; pet-friendly office.