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Senior Software Engineer

Smartleaf

Salary not specified
Jul 31, 2025
Boston, MA, US
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Smartleaf needs to evolve its architecture to double its capacity to handle 1 million accounts, making financial portfolio management scalable and easy to use.

Requirements

  • 5+ years of experience building production web applications
  • Proficiency in Ruby on Rails or similar MVC frameworks with demonstrated ability to learn our stack
  • Solid SQL skills for working with a complex data model and high-volume financial data
  • Understanding of multiprocessing and multithreading considerations
  • Competence working in a Linux environment: familiarity with common command-line utilities and Unix process management; comfortable with bash scripting
  • Are able to dive into unfamiliar codebases and quickly build up working knowledge of how multiple components interact
  • Enjoy learning domain and application logic

Responsibilities

  • Dive into our UI, API and back end to make financial portfolio management scalable and easy to use.
  • Work closely with our product management team and our users to gather requirements and design solutions.
  • Quickly wrap your head around complex user workflows.
  • Build internal tools or pick up new skills to achieve our goals.
  • Ramp up quickly and help us get things done.
  • Bring skill, attention to detail and focus on getting working code into the world.
  • Gather requirements, propose a variety of solutions and follow through with implementation.

Other

  • We are looking for a versatile generalist who thrives on a high degree of personal responsibility.
  • You want to be involved in the whole process, all the way from requirements through implementation and deployment, and you enjoy working across the entire application instead of being stuck in a silo.
  • Candidates must be authorized to work in the United States without current or future need for sponsorship.
  • Are communicative and self-organizing
  • Have a habit of effectively gaining new skills to suit the task