Software Engineer III - Full Stack AI

Join a dynamic team as a Software Engineer and help build cutting-edge AI-powered applications. This role is ideal for talented full-stack engineers passionate about rapid prototyping and capable of turning strategic direction into production-quality software. It suits scrappy, self-directed engineers who thrive in ambiguity and are excited to work with the latest AI technologies.

Responsibilities

• Design, build, and maintain scalable web applications using React/TypeScript and Python.
• Leverage LLM-based coding tools like Cursor, Copilot, and Claude to accelerate development velocity.
• Quickly iterate on new product ideas, going from 0 to 1 in short timeframes.
• Build robust APIs and integrate with various internal and external systems.
• Create interactive dashboards and data visualizations using tools like Plotly, D3, or Streamlit.
• (Strong Plus) Build AI-native applications, engineer prompts, and work with LLM APIs.

Qualifications

• 3+ years of experience building web applications with React/TypeScript and Python or similar technologies.
• Demonstrated experience using LLM-based coding tools to accelerate development.
• A track record of rapidly prototyping and shipping products.
• Proficiency in API design, systems integration, and data visualization.
• Strong proficiency in Python is a primary requirement for this role.
• Preferred:
  • Experience building AI-native applications, prompt engineering, or working with LLM APIs.
  • Familiarity with the Model Context Protocol (MCP) or similar agentic frameworks (LangChain, AutoGen, CrewAI, etc.).
  • Prior experience building workforce management, scheduling, or operations platforms.

Pursuant to the California Fair Chance Act, Los Angeles County Fair Chance Ordinance for Employers, Los Angeles Fair Chance Initiative for Hiring Ordinance, and San Francisco Fair Chance Ordinance, qualified applicants will be considered for assignment with arrest and conviction records. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, meet client expectations, standards, and accompanying requirements, and safeguard business operations and company reputation.

About Cincinnatus

Cincinnatus is an enterprise staffing company that partners with leading technology companies to source and employ highly skilled professionals for full-time and long-term contingent roles. Cincinnatus serves as the employer of record for these engagements, providing W-2 employment, payroll, benefits, and compliance, while placing employees directly within client teams to work on high-impact initiatives.

Roles hired through Cincinnatus are not project-based or freelance engagements. They are structured, role-based positions that typically involve full-time or fixed-term commitments, close collaboration with a client's internal teams, and integration into standard enterprise workflows.

Cincinnatus is a legal entity separate from Mercor. While opportunities may be discovered through Mercor's platform, employment, onboarding, payroll, and benefits for these roles are administered by Cincinnatus.

Equal Employment Opportunity

Cincinnatus is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or any other legally protected characteristic.

Cincinnatus is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans throughout the job application process.