Full Stack Software Engineer (Python / React) Job at Arrayo, Hayward, CA

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  • Arrayo
  • Hayward, CA

Job Description

Role Overview

We’re seeking a Full Stack Software Engineer with strong backend development skills in Python and frontend expertise in React.js. You’ll help design, implement, and scale full stack web applications that are secure, performant, and user-centric.

Responsibilities

  • Architect, build, and maintain backend services using Python (FastAPI, Flask, Django)
  • Design and implement dynamic and responsive frontends using React.js and/or Vue.js
  • Create and consume RESTful and GraphQL APIs
  • Build reusable components and libraries for frontend use
  • Collaborate across teams to gather requirements, define solutions, and ensure quality
  • Optimize performance and scalability of applications
  • Write unit, integration, and end-to-end tests across the stack
  • Participate in peer code reviews and provide mentorship where appropriate

Required Qualifications

  • 5+ years of experience in full stack development
  • M.S. degree in relevant domain required
  • Proficiency with Python and one or more major web frameworks (e.g., FastAPI, Django)
  • Advanced skills in React.js, including Hooks, Context, and state management libraries (e.g., Redux, Zustand)
  • Experience with Vue.js or interest in working across multiple frontend frameworks
  • Familiarity with modern frontend tooling: Webpack, Vite, Babel, ESLint
  • Solid experience with HTML5, CSS3, SASS/SCSS, and responsive UI design
  • Strong understanding of RESTful services, API security, and performance optimization
  • Knowledge of relational databases (PostgreSQL, MySQL) and NoSQL options (MongoDB, Redis)
  • Git and CI/CD best practices (GitHub Actions, CircleCI, GitLab CI)
  • Strong communication skills and a collaborative approach to engineering

Preferred Qualifications

  • Familiarity with TypeScript
  • Experience with cloud platforms (AWS, GCP, or Azure)
  • Experience with Docker, Kubernetes, or container orchestration
  • GraphQL and Apollo Client experience
  • Familiarity with microservice architecture
  • Experience working with real-time data (WebSockets, MQTT)

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