Senior Backend Engineer (Node.js + AI Workflows)

Position: Senior Back-End Engineer (Node.js + AI Workflows)

Location: Remote (Must be based in Buenos Aires, Argentina)

About Bancoli:

• We are a distributed fintech team focused on AI-first software development.
• Our culture prioritizes leveraging AI to handle repetitive tasks, letting engineers focus on critical logic and architecture.

Role Overview:

• Lead and train AI agents to build our core products (75% of your time).
• Perform precise backend engineering and fine-tuning for secure payment systems (25% of your time).
• Act as a conductor of an AI-driven development process, emphasizing strategy over routine coding.

Requirements

• Expertise in Node.js & JavaScript with strong backend experience to identify AI errors and optimize logic.
• Experience developing high-traffic applications requiring top performance and data integrity.
• Must reside in Buenos Aires with full legal work eligibility.
• Proactive problem solver who automates solutions to bottlenecks.

Preferred Qualifications

• Experience with cloud infrastructure such as Google Cloud or Cloudflare, with a focus on security and speed.
• Knowledge of fintech, including multi-currency payment systems and financial data management.
• Front-end skills to ensure high-performing advertising systems.

Why Join Bancoli?

• No busy work—focus on crafting elegant code and clever solutions.
• Be at the cutting edge of AI-assisted software development.
• Work within a team that values technical expertise over speed of typing.

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