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Full Stack Developer (React.js + Node.js)

Remote Office
Posted 7 days ago, valid for 13 days
Salary

Competitive

Contract type

Full Time

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Sonic Summary

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  • The company is seeking a Full Stack Developer skilled in React.js and Node.js for a remote, full-time position with a work roster from 10AM to 6PM AEST.
  • Candidates should have strong hands-on experience in frontend and backend development, ideally with a focus on building scalable web applications.
  • A minimum of 3 years of experience in software development is required, along with proficiency in JavaScript/TypeScript and REST APIs.
  • The role offers a competitive salary of $100,000 to $120,000 per year, depending on experience.
  • This position is ideal for those who thrive in a fast-paced startup environment and enjoy taking ownership of features from planning to production.

This is a remote position.

Job Title - Full Stack Developer (React.js + Node.js)
Location: Remote
Engagement Type: Full Time
Work Roster: 10AM-6PM AEST

About the Role

We are looking for a highly execution-focused Full Stack Developer who can build and ship scalable web applications in a fast-moving startup environment. The ideal candidate should be strong in both frontend and backend development, comfortable with AI-assisted coding workflows, and capable of taking ownership of features from idea to deployment.

This role is best suited for developers who enjoy building products, solving real-world problems, and working in a remote-first, high-accountability culture.


Key Responsibilities

  • Develop scalable frontend applications using React.js and Next.js
  • Build backend services and APIs using Node.js and Express.js
  • Integrate databases, authentication systems, and third-party APIs
  • Work with Supabase/Postgres for data modeling and management
  • Implement Stripe payment flows and webhook integrations
  • Improve performance and scalability using Redis and caching strategies
  • Deploy and maintain applications on Vercel/cloud platforms
  • Design, develop, and maintain automated tests for critical application workflows, APIs, and end-to-end scenarios where required.
  • Collaborate closely with product, design, and engineering teams
  • Use AI coding tools to improve development speed and efficiency
  • Participate in debugging, optimization, code reviews, and architecture discussions
  • Take ownership of features from planning to production release

Required Skills

  • Strong hands-on experience with React.js and Node.js
  • Good understanding of JavaScript/TypeScript fundamentals
  • Experience building and consuming REST APIs
  • Experience in designing and developing AI agents using modern LLM SDKs such as OpenAI, Claude, or Vercel AI SDK, including orchestration of tool-calling, prompt workflows, and multi-step reasoning systems.
  • Experience with test automation, including UI, API, regression, or end-to-end testing will have an edge.
  • Knowledge of SQL/Postgres databases
  • Experience with GitHub workflows and version control
  • Strong debugging and problem-solving skills
  • Ability to work independently in remote environments
  • Good communication and ownership mindset

Preferred Qualifications

  • Experience with test automation, including UI, API, regression, or end-to-end testing.
  • Experience with Supabase, Vercel, Stripe, and Redis
  • Hands-on experience with automation frameworks such as Playwright, Cypress, Selenium, or similar.
  • Startup or product company experience
  • Exposure to AI-assisted development workflows
  • Familiarity with Claude Code, Cursor, or GitHub Copilot
  • Experience shipping SaaS applications
  • Understanding of scalable architecture and deployment practices


Why Join Us

  • Remote-first work culture
    High ownership and impact-driven environment
  • Opportunity to work with modern AI development tools
  • Exposure to scalable SaaS/product engineering
  • Fast-moving engineering culture with learning opportunities




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By applying, a Sonicjobs account will be created for you. Sonicjobs's Privacy Policy and Terms & Conditions will apply.

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