Sierra - IT - Software Development, On-site work

Join Sierra in San Francisco as a Software Engineer on the Payments Infrastructure team. Build secure, real-time card capture and tokenization systems in Go, with 5+ years of backend experience required. Enjoy unlimited PTO and great benefits.

Join Sierra in San Francisco as a Software Engineer on the Agent Builder team. Build full-stack solutions for customer-facing AI agents with 4+ years of production experience. Enjoy unlimited PTO and great benefits.

Join Sierra as a New Grad Software Engineer in London building production-grade AI agents for major brands. Own the full agent lifecycle, solve real customer problems, and enjoy unlimited PTO and great benefits.

Join Sierra in San Francisco as a Software Engineer on the Insights team. Build full-stack systems for AI agent analytics, A/B testing, and monitoring. Requires 4+ years experience and a CS degree.

Join Sierra in San Francisco as a Software Engineer on the Context Engine team. Build large-scale data systems with Spark, Flink, and Iceberg while powering AI agent memory and personalization.

Join Sierra in San Francisco as a Software Engineer on Horizon, building self-improving AI agents that handle complex business outcomes. Requires 2+ years experience with Python, TypeScript, or Go and React.