Comprehensive Web App Upgrade
Budget: $250 – $750 USD
Job Title: Full Stack Web App Overhaul
Overview
We have an MVP web application already built and working. We’re looking for a skilled Full Stack Developer to overhaul the product, improve UI/UX, fix bugs, and add new features on both the frontend and backend.
High Level Scope of Work
1. Landing Page
Design + implement a modern, responsive landing page
Clear sections for product overview, features, CTA, and contact
2. UI/UX Improvements (Existing App)
Improve layout consistency, spacing, typography, and responsiveness
Upgrade user flows for key actions (login/signup, navigation, core workflows)
Create/refresh reusable UI components for a cleaner design system
3. Bug Fixes Across the Product
Identify, prioritize, and resolve existing bugs
Improve stability, validation, error handling, and edge-case behavior
Provide a short bug-fix report
4. Admin Management System
Build an admin dashboard to manage users and projects
Admin can track which user is working on which project
Features could include: assign/unassign employees, project status, filters/search, basic reporting
5. Third-Party API Integration (Backend)
Integrate specified third-party APIs into the backend
Secure authentication, rate-limit handling, retries, logging
Expose the integration to the frontend via clean endpoints/services
6. Custom Frontend + Backend Enhancements
Add new screens, endpoints, workflows as needed
Ensure scalable structure and clean code organization
7. Payment Gateway Integration
Add payment gateway to the existing app (Stripe/PayPal/Razorpay, etc. — to be confirmed)
Webhooks handling, payment status tracking, and UI updates for users
Basic security best practices around payments
Deliverables
Updated web app (frontend + backend) with all scope items implemented
Clean, documented code with clear setup steps
Admin management system fully functional
Payment flow end-to-end tested (including webhook handling)
Test coverage (unit/integration)
Deployment support or handoff notes
Expectations
Strong communication and ability to work with an existing codebase
Ability to propose better UX options where needed
Progress updates (or milestone-based updates)
Git-based workflow with PRs or clear commit history
Required Skills
Full stack web development experience (frontend + backend)
Experience improving UI/UX in existing apps
Experience building dashboards / internal tools
Experience integrating third-party APIs
Experience integrating payment gateways (and webhooks)
Familiarity with authentication, authorization, and secure coding practices
Tech Stack
Node.js, Python, PostgreSQL, React, Typescript, Tailwind CSS
Overview
We have an MVP web application already built and working. We’re looking for a skilled Full Stack Developer to overhaul the product, improve UI/UX, fix bugs, and add new features on both the frontend and backend.
High Level Scope of Work
1. Landing Page
Design + implement a modern, responsive landing page
Clear sections for product overview, features, CTA, and contact
2. UI/UX Improvements (Existing App)
Improve layout consistency, spacing, typography, and responsiveness
Upgrade user flows for key actions (login/signup, navigation, core workflows)
Create/refresh reusable UI components for a cleaner design system
3. Bug Fixes Across the Product
Identify, prioritize, and resolve existing bugs
Improve stability, validation, error handling, and edge-case behavior
Provide a short bug-fix report
4. Admin Management System
Build an admin dashboard to manage users and projects
Admin can track which user is working on which project
Features could include: assign/unassign employees, project status, filters/search, basic reporting
5. Third-Party API Integration (Backend)
Integrate specified third-party APIs into the backend
Secure authentication, rate-limit handling, retries, logging
Expose the integration to the frontend via clean endpoints/services
6. Custom Frontend + Backend Enhancements
Add new screens, endpoints, workflows as needed
Ensure scalable structure and clean code organization
7. Payment Gateway Integration
Add payment gateway to the existing app (Stripe/PayPal/Razorpay, etc. — to be confirmed)
Webhooks handling, payment status tracking, and UI updates for users
Basic security best practices around payments
Deliverables
Updated web app (frontend + backend) with all scope items implemented
Clean, documented code with clear setup steps
Admin management system fully functional
Payment flow end-to-end tested (including webhook handling)
Test coverage (unit/integration)
Deployment support or handoff notes
Expectations
Strong communication and ability to work with an existing codebase
Ability to propose better UX options where needed
Progress updates (or milestone-based updates)
Git-based workflow with PRs or clear commit history
Required Skills
Full stack web development experience (frontend + backend)
Experience improving UI/UX in existing apps
Experience building dashboards / internal tools
Experience integrating third-party APIs
Experience integrating payment gateways (and webhooks)
Familiarity with authentication, authorization, and secure coding practices
Tech Stack
Node.js, Python, PostgreSQL, React, Typescript, Tailwind CSS