Senior Software Engineer, AI-Assisted Financial Systems

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BancoliFintech
Must be based in Buenos Aires, ArgentinaFull-TimeSenior
Salary not disclosed
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Job Details

Required Skills
Node.jsGCPTypeScriptRESTful APIs

Requirements

  • Proficiency with Node.js and TypeScript for backend development.
  • Strong understanding of API design, authentication, queues, and webhooks.
  • Experience with cloud infrastructure including GCP and Cloudflare.
  • Ability to manage observability and diagnose system performance or latency issues.
  • Proven capability to provide architectural context and steer AI-assisted implementation workflows.
  • Expertise in hardening and testing output generated by AI agents.
  • Experience in technical customer-facing roles, such as solutions engineering or onboarding.

Responsibilities

  • Direct AI agents as your primary workforce to break down complex problems and achieve implementation perfection.
  • Validate architectural, security, and performance decisions generated by AI agents for secure payment systems.
  • Translate customer requirements into functional APIs, automations, integrations, and deployment plans.
  • Manage end-to-end customer technical onboarding from initial discovery through production deployment.
  • Diagnose and resolve infrastructure issues including networking, permissions, DNS, auth, and data flow reliability.
  • Synthesize customer feedback and lessons into improved product tooling, documentation, and reusable playbooks.
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