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Software Engineer

LinkedIn Givebutter Seattle, WA
Not Applicable Posted March 14, 2026 2 variants Job link
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Requirements
  • 3+ years of experience in software development, ideally with full-stack exposure and backend depth.
  • Proficiency in PHP/Laravel or a similar backend framework.
  • Experience building frontend interfaces using React, TypeScript, and modern JavaScript (ES6+).
  • Strong understanding of relational databases like MySQL or PostgreSQL, including query optimization.
  • Experience with RESTful APIs, third-party integrations, and data import/export flows.
  • Familiarity with state management (TanStack Query, SWR, Zustand, Redux, etc.).
  • Understanding of frontend architecture, component design, and build tools (Vite, Webpack).
  • Strong debugging and performance tuning skills across the stack.
  • Excellent collaboration, communication, and documentation habits.
  • Experience with payment systems, financial APIs, or building fintech products.
  • Experience with accessibility (a11y) and WCAG compliance.
  • Background in testing frameworks (Vitest, Jest, Playwright) and test-driven development.
  • Knowledge of background jobs, message queues, and asynchronous processing.
Preferred Skills
  • Experience with payment systems, financial APIs, or building fintech products.
  • Familiarity with experimentation platforms (PostHog, Optimizely, LaunchDarkly) or A/B testing.
  • Experience with accessibility (a11y) and WCAG compliance.
  • Background in testing frameworks (Vitest, Jest, Playwright) and test-driven development.
  • Familiarity with monorepo tools like Turborepo, Nx, or Lerna.
  • Knowledge of background jobs, message queues, and asynchronous processing.
  • Experience with high-volume data, analytics platforms, or data pipelines.
  • Passion for working with nonprofits or other mission-driven organizations.