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Backend Engineer

7 hours ago

San Francisco, California, United States Tenex Engineer Full time


Backend Software Engineer (Python / Data-Driven Retail & Personalization)


(Location: San Francisco, California, USA)
|
$150K–$190K + Equity
|
Unlimited Vacation
|
Medical & Dental

We're partnered with a YC-backed, award-winning, technology-powered specialty retailer built for petite women. They're reinventing retail with a data-driven learning system that uses customer feedback to create better, more personalized products—and a shopping experience that feels effortless.

They're hiring a Software Engineer to build software used by both customers and internal teams, creating trustworthy user experiences and turning company vision into an executable roadmap alongside senior leadership.

Responsibilities

  • Build software for internal tools and customer-facing experiences
  • Engineer reusable components and libraries for regular use
  • Translate designs and wireframes into high-quality, production-ready code
  • Troubleshoot UX issues and fix edge cases with speed and care
  • Collaborate with internal stakeholders on core workflows, tooling, and product improvements
  • Document changes, manage iterations, and help roadmap future improvements
  • Participate fully in weekly sprints with urgency, ownership, and positivity
  • Set direction for software design internally and externally when needed
  • Take ownership of the user experience and continuously improve it

Requirements

  • Strong grounding in CS fundamentals with broad backend understanding
  • 3+ years of Python experience building production systems
  • Strong communication skills (including async via Slack)
  • Comfortable balancing design, planning, and implementation
  • Thrive in an early-stage environment: you like building structure where it doesn't exist yet
  • High attention to detail and a high bar for quality

Nice to Have

  • PostgreSQL experience (schemas, migrations, query performance)
  • Startup experience (or the temperament: high ownership, low ego, high output)
  • Familiarity with Heroku and AWS
  • Interest in personalization systems and feedback loops (using data to improve product)

Why Join

  • Early-stage, YC-backed environment where you can help shape the culture
  • Build a unique consumer business from the ground up
  • Work on meaningful personalization and data-driven product problems
  • Own internal tooling that directly accelerates the company
  • Build products that support an underserved customer segment in a real way

TL;DR:
If you're strong in Python, enjoy building reliable internal tools + customer-facing systems, and want to work on personalization in retail, this role is for you.