Software Engineer, Context Engine

The role

You will join a full-stack data team building systems that make AI agents smarter. You will work on data foundations, real-time pipelines, and memory and personalization systems.

What you will do

• Architect and build core platform to handle data at scale with low latency
• Build real-time eventing infrastructure, streaming and batch ETL pipelines, and Iceberg-based data lakehouse
• Own systems for interactive OLAP querying, orchestration, and experimentation
• Develop systems for long-term agent memory
• Build reusable Customer Data Platform (CDP) primitives
• Implement optimization loops to allow agents to personalize interactions

Required qualifications

• 4-7+ years of hands-on development experience in building and shipping production systems or products
• Degree in Computer Science or related field, or equivalent professional experience
• Designed, built, and operated large-scale data systems using technologies like Spark, Flink, Trino/Presto, and Iceberg or Hudi
• Strong backend and distributed systems fundamentals in Go, Scala, or Python
• Understanding of storage engines, query plans, and data serialization formats
• Experience with data modeling best practices like dimensional modeling, star/snowflake schemas, and slowly changing dimensions
• Portfolio of shipped data products including analytics dashboards, data visualization tools, or alerting and exploration systems
• Skilled full-stack engineer in TypeScript/React and a service layer like Go
• Practical experience with ML-powered product features such as personalization, recommendations, or classification systems

Nice to have

• Deep experience with event streaming platforms like Kafka or Kinesis
• Experience with modern data visualization libraries like ECharts or D3.js
• Production experience with recommender systems or optimization loops
• Track record of leading complex technical projects or mentoring other engineers

Benefits

• Flexible (unlimited) paid time off
• Medical, dental, and vision benefits for you and your family
• Life insurance and disability benefits
• Retirement plan dependent on country of employment
• Parental leave
• Fertility and family building benefits
• Lunch, snacks, and coffee when working onsite
• Discretionary benefit stipend
• Free alphorn lessons
• Equity plans for eligible full-time employees

About the company

Sierra is a platform for customer-facing AI agents working with brands like The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank. The company is primarily an in-person company based in San Francisco.