Senior AI Software Engineer – Finance Products

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

📋 Description

• Design, develop, and maintain backend services related to revenue collection, reconciliation, billing, and recording of financial operations.

• Take ownership of complete workflows, from technical analysis to implementation, deployment, and operation.

• Build reusable, scalable services and components that are ready for transactional environments.

• Design and document API contracts, data models, and business rules.

• Implement mechanisms for idempotency, duplicate control, and operation traceability.

• Ensure consistency of financial transactions and their reconciliation against accounting records or ledgers.

• Design controls to prevent monetary discrepancies, rounding errors, and inconsistent processing.

• Identify and resolve issues related to concurrency, partial failures, and distributed operations.

• Prepare technical analyses of squad deliverables for review with Architecture.

• Design automated tests that validate financial rules, exceptional scenarios, and failure conditions.

• Participate in code reviews and elevate the engineering standards of the team.

• Apply best practices in design, maintainability, security, and service evolution.

• Monitor and diagnose production services using logs, metrics, and traces.

• Investigate incidents, identify root causes, and develop preventive solutions.

• Utilize AI programming assistants and agents to accelerate development, testing, documentation, and technical analysis.

• Technically validate code generated with AI, maintaining responsibility for its quality and behavior in production.

⛳️ Requirements

• 8+ years of experience in software development, primarily in backend or distributed systems.

• Practical experience writing and maintaining your own code within the last 24 months.

• Have built at least one production system from scratch used by multiple clients.

• Experience in fintech, payments, banking, or financial systems related to revenue collection, reconciliation, billing, ledgers, or accounts receivable/payable.

• Solid knowledge of API design, relational databases, and service architecture.

• Ability to analyze complex problems related to consistency, concurrency, and transactional processing.

• Experience diagnosing production incidents using logs, metrics, and traces.

• Experience using AI tools for software development, with the ability to review and validate their outputs.

• Capability to develop solutions independently and collaborate with multidisciplinary teams.

• Minimum English proficiency of B2.

🏝️ Benefits

• Directly participate in the development of financial products that process real operations for companies in Latin America.

• Technical ownership over critical solutions, from design to their functioning in production.

• Engage in complex engineering challenges, transactional consistency, and financial processing.

• Collaborate with professionals from Architecture, Engineering, Product, QA, and Platform.

• Work in an AI-ready engineering environment where automation, smart tools, and technical quality are part of daily tasks.

• Autonomy to propose solutions, make technical decisions, and continue your professional growth.