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Full Stack Software Engineer

Full Stack Software Engineer

ReacherSan Francisco, CA, United States
4 hours ago
Job type
  • Full-time
Job description

About Reacher

We're the #1 TikTok Shop partner helping brands like Under Armour, Hanes, HeyDude, and Logitech scale their affiliate marketing. We've crossed 7 figures in ARR and are rapidly scaling our team this year.

Our vision is to become the Hubspot for creator marketing, powering brands and creators to connect and grow across all commerce platforms (Youtube Shopping, Instagram Shopping, Shopify, Amazon). We're building key infrastructure for the creator economy and implementing AI with the world's largest brands and creators.

Your work will directly impact users on day 1 - our user base depends on our product daily.

What You'll Do

  • Own and lead product features end-to-end : research, design, implement, test, and ship
  • Lead and shape engineering architecture - set standards for code quality, testing, and development practices across the stack
  • Mentor and guide other engineers , establishing best practices and patterns
  • Talk directly to customers and translate vague requirements into polished user experiences
  • Design scalable backend systems (Python, FastAPI, PostgreSQL, GCP)
  • Build responsive, delightful UIs (React, TypeScript, Tailwind, shadcn / ui)
  • Write clean, maintainable, and testable code with minimal oversight
  • Drive architectural decisions and engineering processes
  • Ship fast and learn fast - high urgency environment

You're a Fit If

  • 2-6 years of professional full-stack experience at a product-first company or FAANG-level environment (Senior SDE ownership expected)
  • Comfortable building features across the entire stack -from schema design and backend APIs to pixel-perfect, accessible frontend
  • Care deeply about product, design, and user experience -not just code
  • Have owned something meaningful end-to-end (a product module, infrastructure refactor, major feature launch)
  • Can be the technical expert and set standards for engineering quality
  • Resourceful and thrive in ambiguous environments -you figure things out independently
  • Have strong product intuition and can push back on requirements when needed to improve outcomes
  • Technical Skills We Value

    Backend :

  • Python, FastAPI, PostgreSQL
  • System design and scalable architecture
  • GCP / cloud infrastructure
  • API design (REST / GraphQL)
  • Frontend :

  • React, TypeScript, Next.js
  • Tailwind CSS, shadcn / ui
  • State management (Redux, Zustand, React Query)
  • Frontend performance optimization and accessibility (WCAG)
  • General :

  • Testing frameworks (Jest, React Testing Library, Cypress / Playwright)
  • Code reviews, documentation, and establishing conventions
  • Product analytics tools (Amplitude, Mixpanel) for data-driven development
  • Bonus Points If

  • You've worked at an early-stage startup or been a first / early engineering hire
  • You've built internal tooling, dashboards, or systems that scaled to thousands of users
  • You've led technical initiatives or mentored junior engineers
  • You've built or maintained design systems
  • You're curious about AI, e-commerce, or automation-we work in that space
  • You've shipped side projects or contributed to open-source
  • You've worked directly with designers and can contribute to design discussions
  • Why Join Us

  • Post-revenue company solving real problems for real customers
  • Be a technical leader -define our engineering culture and standards as we scale
  • High autonomy and visibility -no boring tickets
  • Your code reaches users within days, not months
  • Strong engineering-first culture
  • Shape both the product and the company
  • When Applying

    Feel free to send a short note about something you've built and why this role excites you. GitHub / LinkedIn / resume is great, but we care more about how you think and build!

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    Software Engineer • San Francisco, CA, United States

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