Principal Software Engineer
United StatesJob Description
Key Skills Required
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What You'll Do:
Design, build, and maintain APIs, interfaces, and technical infrastructure that power Ollie’s subscription platform.
Contribute to all stages of the software development lifecycle- from planning to implementation, deployment, and maintenance.
Collaborate closely with engineers and product managers in an agile environment to deliver high-quality, impactful features.
Develop and integrate 3rd-party services to enhance functionality and improve the customer experience.
Write reliable, performant, and well-tested code that scales with our growing business.
Continuously improve existing systems through refactoring, performance optimization, and automation.
Participate in code reviews, knowledge sharing, and technical discussions to uphold best practices and foster team learning.
Troubleshoot production issues and help maintain a stable and resilient platform.
Stay curious- explore new tools, technologies, and techniques to improve developer experience and product quality.
Who You Are:
You have 7+ years of professional experience building applications in a Python framework (Django, Flask, etc.)
You have 10+ years of experience building API systems, including technologies such as REST, OAuth2 and integrations with 3rd party services using REST APIs and JSON
You have an understanding and professional experience working in a Javascript frontend framework (React, Angular, Etc.)
You have an understanding of and professional experience using a relational database (PostgreSQL, MySQL, etc.) including SQL language.
You have strong technical knowledge and deep understanding of time/maintainability/quality trade-offs
You have experience writing unit tests
You have experience with using version control (git, svn, etc.)
You have excellent communication & collaboration skills
You have experience using AI models and tooling (Claude code, Cursor, etc)
You’re a self-starter, positive and excited to work with a small dedicated team
You are passionate about using technology to streamline business processes
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