Software Engineer, Agent - Tech, Media & Telecom

About the Role

Sierra is seeking a Software Engineer to join the Tech, Media & Telecom team. You will build and ship production-grade AI agents that are mission-critical and run at scale across telecommunications providers, media brands, and technology platforms.

What You'll Do

• Design and deliver production-grade AI agents: Build and ship highly performant, reliable, and intuitive AI agents running in production environments.
• Drive the Agent Development Life Cycle (ADLC): Take complete ownership from initial pilot through deployment and continuous iteration, defining ADLC best practices.
• Partner with large enterprises and cutting-edge startups: Work directly with business leaders and startups to understand challenges and embed AI agents across their stacks.
• Build the future of the platform: Surface unmet needs, prototype new tools and features, and collaborate across research, product, and platform teams.

What You'll Bring

• Experience building and scaling end-to-end production systems.
• Strong technical problem-solving skills in fast-changing, ambiguous environments.
• A builder and tinkerer's mindset with high agency to overcome obstacles and ship.
• Comfort working directly with customers to understand needs and solve real-world problems.
• Excellent communication skills across technical and non-technical audiences.
• Excitement about the Tech, Media & Telecom space.

Even Better

• Experience building or deploying AI/LLM systems in production.
• Experience as a founder or founding engineer balancing craft, ownership, and speed.
• Familiarity with AI agent tooling, eval frameworks, RAG pipelines, and prompt engineering.
• Prior experience with React, TypeScript, and/or Go.
• Experience interfacing with customers or leading technical projects with external stakeholders.