Alternativepayments

Lead Software Engineer - Alti (AI)

Remote (Brazil). Posted a month ago

The role

You will set the technical direction for Alti, an AI agent product. You will own technical decisions, design RAG pipelines, and drive the transition from LLM-only features to proprietary ML models.

What you will do

  • Own the technical direction of Alti features, from conversational AI to agents and automated routines.
  • Define the standards for LLM evaluation, prompt management, monitoring and observability.
  • Lead the design of RAG pipelines and agent architectures.
  • Drive the move from LLM-only features to proprietary ML models.
  • Identify new ML use cases across the AP platform.
  • Act as a reference for AI inside the product org.
  • Keep shipping hands-on by writing code every week.

Required qualifications

  • Strong experience as a software engineer with a track record of owning technical decisions on product features end to end.
  • Hands-on work on AI products in the last 12 months (LLMs, agents, AI features).
  • Experience with chatbots/conversational AI, RAG and LLM evaluation pipelines.
  • Strong skills in at least one of Go, TypeScript/JavaScript or Python.
  • Autonomy to define a process in a new area.
  • A product mindset.
  • Comfort in a fast-paced environment.
  • Professional working proficiency in English.

Nice to have

  • Experience putting ML models into production with monitoring and feedback loops.
  • AI monitoring and observability tooling.
  • Prompt engineering experience.
  • Autonomous or personal agents working across channels (Slack, Teams, WhatsApp).
  • Background in fintech, payments or financial products.
  • Experience at both an early-stage startup (Seed to Series B) and a larger tech company.

Benefits

  • Competitive salary tailored to experience, skills, and expertise.
  • Equity opportunities.
  • Unlimited PTO and flexibility.
  • Yearly learning & development stipend.

About the company

Alternative Payments is building the financial operating system for SMBs, consolidating the disconnected tech stack that holds service-based businesses back.