Senior Backend Developer

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Collaborate on credit origination and product initiatives.

• Develop platforms that facilitate the origination and processing of credit transactions for significant partners.

• Provide technical leadership for initiatives that span multiple services, guiding them from solution design to production monitoring.

• Create essential integrations with features like traceability, idempotency, and reconciliation.

• Uphold the team’s code review standards, treating code reviews as a key deliverable.

• Proactively manage technical debt by recognizing costs and suggesting remediation strategies.

• Convert incidents into foundational improvements.

• Enhance developers’ skill sets through pair programming, reviews, and transparent decision-making.

• Develop high-performance, reliable, and secure microservices and origination components.

• Deliver production support by overseeing operations and taking charge of urgent diagnosis and remediation tasks.

⛳️ Requirements

• Demonstrated experience with Java and Spring in support of transactional systems in a production environment.

• Familiarity with service architecture, including responsibility boundaries, synchronous and asynchronous communication, eventual consistency, and idempotency.

• Experience integrating with unreliable third-party systems, involving retries, reconciliation, and audit trails.

• Proficient in messaging solutions with delivery guarantees (SQS, SNS, Kafka, or similar).

• Practical experience with AWS in production, including awareness of costs, service limits, and potential failure modes.

• Comprehensive knowledge of relational databases, covering modeling, indexing, transactions, and zero-downtime migrations.

• Hands-on experience with code reviews.

• Proficiency in English for technical reading and vendor communications.

• Extensive background in software development, particularly with mission-critical transactional systems.

• Strong understanding of Clean Code principles, SOLID principles, Design Patterns, and Clean Architecture, along with a culture of testing and TDD.

• Capability to design and operate small, independent microservices with versioned OpenAPI contracts.

• Ability to swiftly and systematically diagnose and resolve critical production incidents.

• Experience with AI-assisted development tools, including Cursor, Gemini, Claude Code, skills, commands, workflows, agent teams, and agent harnesses.

• Preferred: background in credit, payroll-deducted loans, FGTS, payment methods, or capital markets.

• Preferred: knowledge of Terraform and CI/CD pipelines.

• Preferred: experience in defining observability strategies.

• Preferred: history of serving as a technical reference for a small team, without a formal management title.

• Preferred: familiarity with regulatory requirements (Central Bank of Brazil, LGPD, and audits).

• Preferred: Python skills for internal tooling.

🏝️ Benefits

• Caju meal and food allowance: BRL 2,040.00.

• Comprehensive Wellness: BRL 400.00 dedicated to physical and mental health (Keiken platform), along with access to the Wellhub platform.

• Health plan: reimbursement of up to BRL 850.00 for a personal health plan, medical tests, or consultations.

• Financial support for specialization courses related to your work area.

• 15 business days of paid time off annually.

• One week of year-end break during either the Christmas or New Year’s week.

• Additional year-end compensation.

• Remote-first work approach: choose your location.

• No dress code.

• Day off: one day off during your birthday month.

• Semi-flexible working hours.