Senior Software Engineer - AI (React)

Location: Mexico City, Mexico; hybrid work model

Company

hirify.global provides specialized software, trusted content, and insights for legal, tax, accounting, compliance, government, and media professionals.

What you will do

• Build AI-powered front-end systems that turn SSE and AG-UI protocol events into fast, resilient interfaces.
• Shape front-end architecture and contribute to agentic UI design across the CoCounsel team.
• Build and maintain front-end and agent-facing CI/CD pipelines, run deployments and smoke tests, and improve observability.
• Develop end-to-end Playwright tests and support scale testing.
• Collaborate with Labs, product managers, and designers to turn early AI-agent concepts into production-ready features.
• Mentor engineers through code reviews, design documentation, mentoring, and shared components.

Requirements

• 4+ years of front-end engineering experience, including significant production experience with React and TypeScript.
• Experience building performant UIs for real customers under rapid, continuous updates.
• Hands-on experience with AG-UI or comparable agent-UI protocols and SDKs.
• Strong proficiency with SSE events, Claude Agent SDK, AgentCore, and AWS or Azure cloud services.
• Experience owning CI/CD pipelines for production web applications, including automated testing and safe release practices.
• Experience modeling complex asynchronous client states, debugging effectively, and delivering reliable production-ready systems.
• Strong cross-functional communication, product sense, and ability to turn ambiguous requirements into polished, accessible interfaces.

Nice to have

• BA or BS in Computer Science or equivalent practical experience.
• Knowledge of backend streaming patterns such as Node or Python/FastAPI sufficient for end-to-end debugging.
• Experience with feature flags, canary releases, Datadog, CloudWatch Log Insights, or Braintrust.
• Familiarity with tool calling, structured outputs, MCP, and streaming partial JSON parsing.
• Strong opinions on testing, automation, and operational robustness.
• Experience with legal, compliance, or other regulated professional products.

Culture & Benefits

• Flexible hybrid work environment for office-based roles.
• Work-from-anywhere arrangement available for up to 8 weeks per year.
• Flexible vacation, two company-wide Mental Health Days, Headspace access, retirement savings, tuition reimbursement, and employee incentive programs.
• Learning and development programs focused on continuous skill growth and AI-enabled work.
• Two paid volunteer days annually and opportunities for pro-bono consulting and ESG initiatives.
• Inclusive culture focused on customer impact, fast learning, collaboration, and work-life balance.