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Cybersecurity Expert for Securing Next.js, React, Node.js & Firebase Application - Contract to Hire
Upwork • , US • Remote
Posted on: 5th March, 2025
Employment Type: CONTRACTOR
Job Description
Description:We are seeking an experienced cybersecurity specialist to enhance the security of our web application built using Next.js, React, Node.js, and Firebase. The ideal candidate must have expertise in web application security, encryption, and threat mitigation to ensure the safety of user data and privacy.
Project Overview:
Our platform consists of:
Client App: Next.js (Buyer-side)
Seller App: React.js
Backend: Node.js
Database: Firebase Realtime Database & Storage
Hosting: VPN server for enhanced privacy
Scope of Work:
1. Security Audit & Hardening:
Review all backend functions to ensure they are secure and protected against unauthorized access.
Implement best security practices for Firebase rules and server-side authentication.
Identify and fix vulnerabilities to prevent data manipulation and unauthorized access.
2. Secure Chat System:
Ensure the chat between Next.js and React apps remains fully end-to-end encrypted.
Prevent unauthorized access to messages and reinforce the self-deleting message feature.
3. VPN Server Implementation:
Configure the VPN server for hosting to ensure user location privacy when accessing the seller's React app.
Implement secure communication between the server and client apps.
4. Protection Against Web Attacks:
Implement security measures against:
SQL Injection
Cross-Site Scripting (XSS)
Cross-Site Request Forgery (CSRF)
Brute force attacks
Other common web security threats
5. Automated Backup & Recovery:
Develop a weekly automated backup function for Firebase Realtime Database & Storage.
Implement a data recovery system to restore lost or corrupted data when necessary.
Ideal Candidate:
We are looking for a highly skilled cybersecurity expert with:
Strong experience in web application security.
Expertise in Next.js, React, Node.js, and Firebase security best practices.
Proficiency in VPN hosting and data encryption techniques.
Proactive approach in identifying and fixing vulnerabilities.
Experience securing similar applications – please provide examples of past projects.
How to Apply:
If you are a seasoned security expert who can secure our platform against potential threats, please provide:
A brief explanation of how you would approach this project.
Examples of previous security-related projects.
Your estimated timeline and budget expectations.
We look forward to working with an expert who can fortify our platform and ensure user data privacy and security!
Project Overview:
Our platform consists of:
Client App: Next.js (Buyer-side)
Seller App: React.js
Backend: Node.js
Database: Firebase Realtime Database & Storage
Hosting: VPN server for enhanced privacy
Scope of Work:
1. Security Audit & Hardening:
Review all backend functions to ensure they are secure and protected against unauthorized access.
Implement best security practices for Firebase rules and server-side authentication.
Identify and fix vulnerabilities to prevent data manipulation and unauthorized access.
2. Secure Chat System:
Ensure the chat between Next.js and React apps remains fully end-to-end encrypted.
Prevent unauthorized access to messages and reinforce the self-deleting message feature.
3. VPN Server Implementation:
Configure the VPN server for hosting to ensure user location privacy when accessing the seller's React app.
Implement secure communication between the server and client apps.
4. Protection Against Web Attacks:
Implement security measures against:
SQL Injection
Cross-Site Scripting (XSS)
Cross-Site Request Forgery (CSRF)
Brute force attacks
Other common web security threats
5. Automated Backup & Recovery:
Develop a weekly automated backup function for Firebase Realtime Database & Storage.
Implement a data recovery system to restore lost or corrupted data when necessary.
Ideal Candidate:
We are looking for a highly skilled cybersecurity expert with:
Strong experience in web application security.
Expertise in Next.js, React, Node.js, and Firebase security best practices.
Proficiency in VPN hosting and data encryption techniques.
Proactive approach in identifying and fixing vulnerabilities.
Experience securing similar applications – please provide examples of past projects.
How to Apply:
If you are a seasoned security expert who can secure our platform against potential threats, please provide:
A brief explanation of how you would approach this project.
Examples of previous security-related projects.
Your estimated timeline and budget expectations.
We look forward to working with an expert who can fortify our platform and ensure user data privacy and security!
Responsibilities
- Security Audit & Hardening:
- Review all backend functions to ensure they are secure and protected against unauthorized access
- Implement best security practices for Firebase rules and server-side authentication
- Identify and fix vulnerabilities to prevent data manipulation and unauthorized access
- Secure Chat System:
- Ensure the chat between Next.js and React apps remains fully end-to-end encrypted
- Prevent unauthorized access to messages and reinforce the self-deleting message feature
- Configure the VPN server for hosting to ensure user location privacy when accessing the seller's React app
- Implement secure communication between the server and client apps
- Protection Against Web Attacks:
- SQL Injection
- Cross-Site Request Forgery (CSRF)
- Develop a weekly automated backup function for Firebase Realtime Database & Storage
- Implement a data recovery system to restore lost or corrupted data when necessary
Requirements
- The ideal candidate must have expertise in web application security, encryption, and threat mitigation to ensure the safety of user data and privacy
- Hosting: VPN server for enhanced privacy
- Cross-Site Scripting (XSS)
- Automated Backup & Recovery:
- We are looking for a highly skilled cybersecurity expert with:
- Strong experience in web application security
- Expertise in Next.js, React, Node.js, and Firebase security best practices
- Proficiency in VPN hosting and data encryption techniques
- Proactive approach in identifying and fixing vulnerabilities
- Experience securing similar applications – please provide examples of past projects
- Examples of previous security-related projects
Upwork
Technology
Job Type
CONTRACTOR
Benefits
- Other common web security threats
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