CareerPlan

Software Engineer - Evals for Agents

Buenos Aires,ArgentinaFull-time2026-10-26 → 2026-11-10

Core

Design and scale innovative, secure systems for evaluating AI agents, including online/offline evaluation platforms, experimentation tools, and continuous improvement cycles.

Role type

Senior IC backend software engineer (AI agent evaluation)

Builds

Evaluation platforms for AI agents, offline experimentation tools (replay, simulation), and APIs/CLI for developer integrations

Domain

Generative AI, Agent Development, E-commerce, Fintech

Deliverable

production ML models

Required skills

Microservices architecture, Distributed systems, Asynchronous processing, Go, Python, RESTful API design, Relational and NoSQL databases, LLM APIs

Preferred skills

Evaluation frameworks, LLM-as-judge, Observability with LLMs, Agent development platforms, Data analysis, Statistics, SQL, BigQuery, Experimental design

Responsibilities

Evolve and maintain the agent evaluation platform (online and offline), Build offline experimentation tools (conversation replay, user simulation, version comparison), Create continuous improvement cycles for agents, Make the platform simple to adopt via APIs and CLI, Collaborate with product and business teams

Seniority

Senior, hands-on IC