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Senior Backend Software Engineer, Operations

SoFi

Salary not specified
Nov 4, 2025
Seattle, WA, US • San Francisco, CA, US
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Sofi is looking for a Senior Engineer to build state-of-the-art internal applications for front and back-office customer support agents to improve the efficiency and experience of hundreds of internal users.

Requirements

  • 5+ years of professional software development experience, with strong experience in backend development
  • Deep understanding of backend development with Spring Boot and Kotlin (or willingness to ramp up quickly on Kotlin)
  • Experience working with RESTful APIs, event-driven architecture, and microservices
  • Solid understanding of database systems (SQL and/or NoSQL) and backend scaling patterns
  • Ability to lead complex projects end-to-end and collaborate with stakeholders across product and operations
  • Experience working in a collaborative coding environment, refining designs together, working through code reviews and managing pull requests

Responsibilities

  • Lead the development and testing of system components/services, code and design reviews
  • Participate in shaping the technical architecture of the product
  • Help translate product requirements into user stories and technical solutions
  • Deliver highly available and scalable services in a production environment
  • Collaborate cross-functionally with product managers, designers, and other engineers to deliver high-impact features
  • Own major components of the agent platform — from architecture to implementation and rollout
  • Champion code quality through well-structured code, code reviews, and automated tests

Other

  • Strong communication skills and a pragmatic approach to solving business problems
  • Strong sense of responsibility; driving a project from inception to completion
  • Affinity for solving problems and shipping impactful features, not polishing perfect code or architecture
  • Mentor junior engineers and contribute to a culture of growth and innovation