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Design, develop, test, and maintain scalable financial services systems using Java, Spring Boot, PostgreSQL, Kafka, and AWS. Responsibilities include architectural design, performance tuning, asynchronous programming, continuous integration, production monitoring, documentation, and secure distributed application development. The role also involves collaborating cross-functionally, mentoring peers, and applying AI frameworks and financial-domain knowledge to payment, lending, fraud, and compliance solutions.

Build and own Java/Spring backend services supporting credit origination, risk analysis, loan disbursement, and repayment. Design reliable, secure, fault-tolerant systems on AWS, contribute to architecture and incident reviews, collaborate with product, data, and risk teams, and mentor peers. Experience with lending, event-driven architecture, fraud prevention, CI/CD, and infrastructure as code is advantageous.

Leads architecture and development of real-time anti-fraud systems, including transaction decisioning, rules engines, streaming pipelines, model-serving infrastructure, auditability, and explainability. Partners with Data Science, Risk, Fraud Operations, Compliance, and engineering teams to build high-performance distributed systems, mentor engineers, and improve technical practices.

Leads business analytics for a credit card product, identifying and executing growth and profitability initiatives from hypothesis through measured results. Analyzes retention, usage, margins, P&L, cohorts, and unit economics; builds budgets and forecasts; and connects Product, Credit Policy, Collections, and CRM/MarTech teams. Supports product strategy, roadmap prioritization, and executive decision-making while using AI to accelerate analysis and automate routines.

Leads the technical execution, governance, development, integration, security, reliability, and evolution of SAP S/4HANA and corporate systems. Develops and reviews ABAP solutions, manages upgrades and Brazilian fiscal adaptations, governs transports and partners, oversees integrations and operational standards, and serves as Tier 3 incident escalation. Establishes a clean-core, API-first architecture and operating model while mentoring engineers and aligning technical delivery with regulatory requirements including BACEN, LGPD, and SOX.

Lead strategy, operations, and optimization for acquiring and sub-acquiring payment products, including bill payments, mobile top-ups, Tap to Pay, and Payment Link. Manage partner relationships, regulatory compliance, cross-functional initiatives, performance analysis, customer experience improvements, business cases, and market innovation. The role requires strong payments expertise, financial analysis, P&L knowledge, advanced Excel, moderate SQL, and experience in fintech or acquiring businesses.

Analyze business data to build dashboards, reports, and models; define metrics with cross-functional teams; identify trends; deliver actionable recommendations; and support analytics standards and data quality for performance monitoring and decision-making.

As a Staff Engineer, you will lead backend projects, mentor engineers, ensure system reliability, and drive innovation in engineering practices.

Lead FP&A for one or more business units (e.g., Credit, Payments), owning BU financial performance, forecasts, KPI monitoring, reporting, risk identification, cross-functional financial advisory, and AI-driven data analysis and automation to support decision-making and investor reporting.

Lead end-to-end product design within a squad: define strategy with PMs/engineers, run data-driven experiments, prototype quickly, use AI to accelerate workflows, maintain the design system, improve UI/usability, collaborate with UX writers and frontend engineers, and present design decisions to senior leadership.