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UpstartUpstartUnited States

Senior Software Engineer, Marketplace Optimization

Senior Software Engineer building highly available backend services and real-time decision engines for Upstart's AI lending marketplace. Partners with ML, Product, and Capital Markets teams to optimize borrower-capital matching, offer construction, and monetization through scalable distributed systems.

167k – 231k
Remote5+ YOEFullstack Engineering

About the role

How you’ll make an impact

  • Design, build, and operate highly available backend services that power Upstart's real-time lending marketplace.
  • Develop scalable systems that enable rapid experimentation while maintaining the reliability of business-critical production services.
  • Partner with Product, Machine Learning, Capital Markets, and Analytics to translate complex business problems into elegant technical solutions.
  • Build flexible platform capabilities that enable new marketplace optimization and monetization strategies.
  • Improve the scalability, observability, and operational excellence of systems responsible for real-time marketplace decisions.
  • Participate in architecture discussions, code reviews, testing, and operational ownership of critical production systems.

Minimum Qualifications

  • Bachelor's degree in Computer Science, Engineering, Mathematics, or a related field (or equivalent practical experience)
  • 5+ years of professional software engineering experience building backend or distributed systems
  • Experience developing production services using one or more of Ruby on Rails, Python, or Kotlin
  • Experience designing APIs and building scalable distributed systems
  • Experience operating business-critical production services with an emphasis on reliability, monitoring, testing, and operational excellence
  • Experience with cloud platforms (AWS preferred) and modern cloud-native application development
  • Experience collaborating across engineering, product, and business stakeholders

Preferred Qualifications

  • Experience building marketplaces, recommendation systems, optimization engines, financial systems
  • Experience with event-driven architectures, Kafka, workflow orchestration, or real-time data processing
  • Experience partnering with Machine Learning or Data Science teams
  • Experience improving platform scalability and evolving distributed system architecture
  • Interest in solving complex optimization problems that combine technical and business tradeoffs

Skills

Ruby on RailsPythonKotlinAWSDistributed SystemsAPIsKafkaMachine Learning

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