Baubap - Senior Software Engineer
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Requirements
• Previous experience in fintech. • Understanding of basic financial concepts (interest, payments, amortization). • Familiarity with building or maintaining systems operated by AI agents (especially MCP). • Experience working in Customer Success, technical support, or customer service flows. • Understanding of security considerations in LLM-based systems (guardrails, validation steps, error handling). • What we can offer: • What we can offer: • Being part of a multicultural, highly driven team of professionals • 20 vacation days / year + 75% holiday bonus (Prima Vacacional) • 1 month (proportional) of Christmas bonus (Aguinaldo) • Health & Life insurance • Competitive salary
Responsibilities
• Maintain and improve the internal flows, services, and modules that enable the AI agent to operate stably and efficiently. • Implement technical optimizations aimed at improving performance, resource usage, and response times. • Diagnose, resolve, and prevent agent-related incidents, including root cause analysis and hardening actions. • Develop test agents, experimentation environments, and A/B variants that enable continuous technical iteration. • Perform technical prompt engineering adjustments (context, parameters, configurations) necessary for the agent's operation.
Benefits
• 5+ years of professional experience developing and maintaining backend systems in production. • Mastery of Python as the primary language for service development. • Experience with distributed systems, concurrency control, message queues, and event-driven architectures (SQS, Redis streams/queues, background workers). • Experience building and integrating backend services that expose structured tools to LLMs (e.g., MCP servers or similar tools) and with systems that integrate LLM-based agents. • Previous experience working with LLM-based systems or agents, adjusting the technical configurations necessary for their operation. • Solid knowledge of SQL and relational databases. • Experience working with AWS (Bedrock, ECS, Lambda, RDS, S3, IAM). • Experience using Datadog for logs, metrics, and traces in backend systems, or similar observability tools.
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