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Full Stack Developer – Customer Portal Web App

  • Canada

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Job details

Job type
Contract
Posting language
English
Posted

Original job description

This role involves building a custom, responsive web application designed to provide a seamless customer experience across both mobile and desktop platforms. The project requires the development of secure user authentication features, including sign-up, login, and password reset, as well as a self-service dashboard that aligns with the existing brand’s modern aesthetic. Additionally, an admin area must be created for managing users, content, orders, and generating reports. The application will integrate online payment solutions and external tools to streamline business operations.

Deliverables

  • Develop a responsive web application with secure customer authentication (sign-up, login, password reset)
  • Design and implement a self-service dashboard for customers
  • Build an admin area for user, content, order, and report management
  • Integrate Stripe or PayPal for online payments
  • Set up automated transactional emails (welcome messages, payment receipts)
  • Integrate with external tools such as a CRM or Google Sheets
  • Use a maintainable stack (Python or Node.js with React or Next.js)
  • Ensure sound database design and robust API integrations
  • Provide an initial requirements call and regular progress updates with a preview link
  • Deliver clearly documented source code, handover files, and simple usage instructions
  • Offer two weeks of post-launch support for fixes

Requirements

  • Proven experience developing full stack web applications using Python or Node.js with React or Next.js
  • Strong understanding of responsive design principles and modern UI/UX best practices
  • Experience with secure authentication and user management systems
  • Proficiency in integrating payment gateways (Stripe or PayPal)
  • Familiarity with transactional email setup and third-party API integrations (e.g., CRM, Google Sheets)
  • Solid database design and implementation skills
  • Ability to deliver clean, well-documented code and clear handover documentation
  • Excellent communication skills for requirements gathering and progress updates
  • Availability for an initial requirements call, regular updates, and two weeks of post-launch support

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.
More about this job

Responsibilities

Build a responsive customer web application with secure authentication, a self-service dashboard, and an admin area for managing users, content, orders, and reports. Integrate payment services, transactional emails, and external tools, and provide documented code, progress updates, handover materials, and two weeks of post-launch support.

Requirements

Candidates should have proven full stack development experience with Python or Node.js and React or Next.js, along with skills in responsive UI/UX, secure authentication, payment gateways, APIs, and database design. Strong communication, clear documentation, and availability for requirements discussions, regular updates, and two weeks of post-launch support are also required.

Skills

  • Full Stack Development
  • Python
  • Node.js
  • React
  • Next.js
  • Responsive Design
  • UI/UX Design
  • Secure Authentication
  • User Management
  • Stripe
  • PayPal
  • Transactional Email
  • API Integration
  • Database Design
  • CRM Integration
  • Google Sheets Integration

Visa sponsorship

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Categories

  • Software
  • Technology
  • Customer Service & Support

Keywords

  • Full Stack Development
  • Customer Portal
  • Web Application
  • Python
  • Node.js
  • React
  • Next.js
  • Responsive Design
  • Mobile
  • Desktop
  • User Authentication
  • Sign-Up
  • Login
  • Password Reset
  • Self-Service Dashboard
  • Admin Area
  • User Management
  • Content Management
  • Order Management
  • Reporting
  • Stripe
  • PayPal
  • Online Payments
  • Transactional Emails
  • CRM
  • Google Sheets
  • API Integration
  • Database Design
  • UI/UX
  • Post-Launch Support

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