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Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates extensive experience in building and maintaining fintech infrastructure, with a strong focus on payment systems, digital accounts, and compliance. Proficient in orchestrating AI-driven workflows and mentoring engineering teams to uphold high standards in system architecture and performance.
Highest-signal resume keywords
Fintech Infrastructure DevelopmentPix Payment Systems ExpertiseJava And Spring Boot ProficiencyKafka And Message Broker ExperienceCI/CD And Cloud Platforms Knowledge
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Payments Systems ArchitectureIdempotency And Consistency TradeoffsPostgreSQL KnowledgeAPI DesignConcurrency And Performance TuningReact And TypeScript ExperienceSecurity And Privacy KnowledgeEvent-Driven DesignMetrics And AlertingAI-Native Workflow Implementation
Soft Skills
Strong Written CommunicationCross-Functional CollaborationScope Management
Tools & Technologies
DockerGitAWSCI/CD ToolsKafka
Industry Keywords
KYC/KYBPLD-FTBoletosOpen FinanceTokenizationPII/LGPDOAuth2/OIDC
Tech Stack
Tools & technologiesAWSCloudDockerJavaKafkaPostgresReactRuby on RailsSpringSpring BootSpringBootTypeScript
About the role
Key responsibilities & impact- Own critical payments initiatives end-to-end, from framing the initial problem through production operation across Brazilian payment rails
- Talk to clients and internal Operations, review regulatory documents, reduce scope, write one-pagers, and determine what not to build
- Define service boundaries, data models, event flows, and consistency guarantees for payment systems
- Set technical roadmaps for Payments domains and establish reusable patterns for ledgers, idempotency, and reconciliation
- Orchestrate multiple AI agents for scaffolding, code generation, testing, and specifications
- Apply expert judgment to identify and correct AI-generated errors
- Lead design and code reviews
- Establish engineering standards
- Mentor engineers who inherit the systems built
- Build and maintain Clara's money movement infrastructure, including digital accounts, Pix, boletos, payouts, ledger, and reconciliation
Requirements
What you’ll need- 8+ years building robust production systems
- Deep, hands-on experience building fintech infrastructure in production
- Pix experience: SPI/DICT, QR/BR Code, devolução and MED, limits and fraud controls, Pix Automático or parcelado
- Digital Accounts experience: onboarding, KYC/KYB, PLD-FT, ledger and balance modeling, holds, and blocks
- Boletos experience: Registradoras, CNAB 240 remessa/retorno, baixa, settlement, and reconciliation
- Open Finance consents and payment initiation flows shipped to production
- Track record of owning architectures that other engineers depend on
- Applied knowledge of idempotency, retries, outbox patterns, sagas, event-driven design, and consistency tradeoffs
- Hands-on experience with Kafka or other message brokers
- Tracing, metrics, SLOs, alerting, and runbook writing
- Deep expertise in Java and Spring Boot
- Solid PostgreSQL knowledge, API design, concurrency, and performance tuning
- Hands-on experience with React and TypeScript
- Experience shipping real payment UI states, including pending, failed, reversed, and disputed
- Experience with CI/CD, Docker, Git, and cloud platforms; AWS preferred
- Security and privacy knowledge, including tokenization, PII/LGPD, and OAuth2/OIDC
- Experience building systems from zero and shipping user-focused features
- Strong written communication and ability to create clear one-pagers
- Comfortable pushing back on scope and priorities
- AI-native workflow experience across discovery, design, implementation, review, debugging, and operations
- Ability to explain an automated workflow, model failure, and guardrails
- Experience with parallel agents, spec-driven prompting, and review evaluations
- Ability to build guardrails such as excluding customer data from prompts and preventing unreviewed code in production
- Professional English proficiency (B2+)
- Ability to collaborate cross-functionally with Product, Design, Ops, Compliance, and Backend teams
Benefits
Comp & perks- Competitive salary
- Stock options (ESOP) from day one
- Annual learning budget
- Accelerated development paths
- English is the working language, with Spanish and Portuguese every day
- High talent-density team driven to make an impact in Latin America
- Low-ego, high-ownership culture
- Open and direct communication
- Inclusive, diverse workplace
- Flexible/adaptive culture emphasizing continuous learning