Cloaking Development for Personal Use
Budget: $50 – $300 USD
Job Post: Backend Engineer (Traffic Identification & Routing)
What We're Building:
We need to build a "smart link routing system." In simple terms, it's a system where different people clicking the same short link will see completely different content.
Your Main Responsibilities:
Manage the "Short Links" (The Bait):
Build a service like t.cn or bit.ly for generating and managing short links.
The core task is simple: when a user visits a short link, your server tells their browser, "Please redirect to this other address."
Develop the Core "Brain" (The Decision Engine):
This is the most critical part! You will write a program that, in the split second before redirecting the user, identifies who they are.
How? By checking the visitor's information:
Check the User-Agent: Identify if the visitor is a search engine crawler (like Googlebot) or a real user on an iPhone or Android.
Check the IP Address: Determine if the IP belongs to a datacenter (like AWS, Google Cloud) or is from a known security/virus scanning company.
Then what? Based on your analysis, you take different actions:
IF it's a crawler or a security scanner -> Show them a harmless, normal page (like a generic image or article).
ELSE (if it's a real user) -> Seamlessly redirect them to our intended target page.
System Integration & Maintenance:
Ensure the "Brain" works reliably with the short link service and third-party platforms (like Google Docs).
Maintain and update IP blocklists and crawler signature databases to make the system smarter over time.
Skills We're Looking For:
Technical Skills:
Proficiency in at least one backend language: Python (Preferred), Go, Java, or Node.js.
Solid understanding of HTTP protocols (know how 301/302 redirects work inside and out).
Experience handling high-concurrency requests to make the "Brain" lightning-fast.
Core Competence:
Ability to write clean and efficient "if/else" decision-making logic.
Know how to parse and utilize User-Agent strings and IP addresses for identification.
Experience with caching like Redis is a big plus.
Soft Skills:
A self-starter who can solve problems independently and enjoys technical challenges.
An interest in cybersecurity and the "cat-and-mouse" dynamics of web traffic.
Why Join:
You'll build a core system that handles complex logic, not just simple CRUD apps.
Great technical challenge that will rapidly advance your skills in network protocols, traffic analysis, and high-performance systems.
Remote work, flexible hours, and highly competitive pay.
What We're Building:
We need to build a "smart link routing system." In simple terms, it's a system where different people clicking the same short link will see completely different content.
Your Main Responsibilities:
Manage the "Short Links" (The Bait):
Build a service like t.cn or bit.ly for generating and managing short links.
The core task is simple: when a user visits a short link, your server tells their browser, "Please redirect to this other address."
Develop the Core "Brain" (The Decision Engine):
This is the most critical part! You will write a program that, in the split second before redirecting the user, identifies who they are.
How? By checking the visitor's information:
Check the User-Agent: Identify if the visitor is a search engine crawler (like Googlebot) or a real user on an iPhone or Android.
Check the IP Address: Determine if the IP belongs to a datacenter (like AWS, Google Cloud) or is from a known security/virus scanning company.
Then what? Based on your analysis, you take different actions:
IF it's a crawler or a security scanner -> Show them a harmless, normal page (like a generic image or article).
ELSE (if it's a real user) -> Seamlessly redirect them to our intended target page.
System Integration & Maintenance:
Ensure the "Brain" works reliably with the short link service and third-party platforms (like Google Docs).
Maintain and update IP blocklists and crawler signature databases to make the system smarter over time.
Skills We're Looking For:
Technical Skills:
Proficiency in at least one backend language: Python (Preferred), Go, Java, or Node.js.
Solid understanding of HTTP protocols (know how 301/302 redirects work inside and out).
Experience handling high-concurrency requests to make the "Brain" lightning-fast.
Core Competence:
Ability to write clean and efficient "if/else" decision-making logic.
Know how to parse and utilize User-Agent strings and IP addresses for identification.
Experience with caching like Redis is a big plus.
Soft Skills:
A self-starter who can solve problems independently and enjoys technical challenges.
An interest in cybersecurity and the "cat-and-mouse" dynamics of web traffic.
Why Join:
You'll build a core system that handles complex logic, not just simple CRUD apps.
Great technical challenge that will rapidly advance your skills in network protocols, traffic analysis, and high-performance systems.
Remote work, flexible hours, and highly competitive pay.