Senior Software Engineer - Capital Insights

Upstart is an AI lending marketplace that partners with banks and credit unions to expand access to affordable credit. The Senior Software Engineer will build and operate backend services, data pipelines, data models, and reporting infrastructure that provide accurate and reliable portfolio data to capital partners. The role also focuses on system reliability, cross-product platform capabilities, partner collaboration, and mentoring engineers.

Responsibilities:

• Design and evolve backend services, data models, and reporting APIs that power partner-facing reporting across multiple lending products
• Build and maintain data pipelines and reporting systems that deliver accurate, timely loan and portfolio data under strict SLAs
• Improve system reliability and operational health by reducing incidents, automating manual processes, and strengthening observability
• Lead design and implementation of cross-product platform capabilities, including unified APIs and portals
• Partner with Capital Markets, Finance, and Data teams to define requirements, troubleshoot production issues, and deliver scalable solutions
• Identify structural inefficiencies in legacy systems and drive platform-level improvements that reduce operational burden
• Mentor engineers on best practices for data modeling, distributed systems design, and production operations in a regulated fintech environment

Requirements:

• Bachelor's degree in Computer Science, Engineering, Mathematics, or a related field (or equivalent practical experience) plus 4+ years of experience building and operating backend systems
• Experience with at least one modern backend stack (e.g., Ruby on Rails, Java, or similar) and relational databases (SQL)
• Hands-on experience with data pipelines or analytical data stores, such as Airflow, Spark, dbt, ClickHouse / Snowflake / BigQuery / Redshift, or equivalent technologies
• Experience owning systems end-to-end, including design, deployment, monitoring, and on-call support
• The team operates on the East/West coast time zones
• Experience in fintech, lending, capital markets, or financial reporting environments with high data accuracy requirements
• Knowledge of modern data platforms and analytics tools (e.g., Databricks, ClickHouse, Looker, dbt)
• Experience designing and maintaining external APIs (REST) or file-based data integrations for enterprise partners
• Ability to improve system reliability through observability, automation, and incident reduction practices
• Ability to collaborate across technical and non-technical teams to define requirements and deliver solutions