Automotive Marketplace LAMP Architect Needed
Budget: $40 – $70 USD
Job Description
We are looking for a Senior Technical Lead / Architect Developer to help audit, improve, and lead the technical development of our international automotive marketplace platform.
Our company exports used cars from Japan to customers worldwide. Our website currently contains 100,000+ vehicle listings and integrates with Japanese vehicle auctions and dealer inventory feeds.
This role is ideal for an experienced engineer who can both design system architecture and actively contribute to coding.
You will work directly with the business owner and help guide future development of the platform.
About Our Platform
Our system includes two main components:
1. Public Website (SEO Marketplace)
Used by international customers to:
browse fixed-price vehicle inventory
search and filter listings
view vehicle detail pages
send inquiries
calculate shipping costs
generate invoices
track orders
browse import regulations
This platform focuses heavily on SEO and organic traffic growth.
2. Private Auction Portal
A separate member-only system where registered users can:
access Japanese car auctions
search auction inventory
place bids
manage deposits and invoices
Auction data is updated daily through API feeds.
Current Technical Stack
The platform currently includes:
Custom PHP codebase
API vehicle inventory feeds
Cloudflare CDN
GoDaddy VPS hosting
WordPress blog (separate instance)
External auction system on subdomain
However, the platform requires:
technical audit
architecture improvements
bug fixes
performance optimization
improved developer workflow
Responsibilities
The Technical Lead will:
System Architecture
Review and improve the current system architecture
Design scalable infrastructure for large vehicle inventories
Improve database structure and API integrations
Optimize search and filtering performance
Development
Fix critical platform issues and bugs
Implement core backend improvements
Optimize performance and page speed
Improve SEO page generation
Technical Leadership
Guide and review work of other developers when needed
Establish coding standards and deployment processes
Recommend best technologies and frameworks
Platform Optimization
Improve scalability for large inventory datasets
Optimize system for SEO-driven traffic
Improve reliability of API integrations
Required Experience
Candidates should have strong experience with:
Large marketplace or eCommerce platforms
PHP / Laravel or modern backend frameworks
REST APIs and third-party integrations
Database architecture (MySQL / PostgreSQL)
High-performance search and filtering systems
Server architecture and cloud environments
Experience working with high-inventory marketplaces (50k+ listings) is strongly preferred.
Nice to Have
Experience with automotive marketplaces
Experience with large SEO-driven websites
Knowledge of scalable frontend frameworks (Next.js / Vue)
Experience working with API data feeds
Engagement Type
Initial engagement will focus on:
platform audit
bug fixing
architecture improvements
This may evolve into long-term technical leadership for the project.
Estimated commitment:
10–30 hours per month initially.
Important
Please include in your proposal:
Examples of large marketplace or eCommerce platforms you worked on
Your experience with high-scale database systems
Your preferred technology stack for a platform like this
We are looking for a Senior Technical Lead / Architect Developer to help audit, improve, and lead the technical development of our international automotive marketplace platform.
Our company exports used cars from Japan to customers worldwide. Our website currently contains 100,000+ vehicle listings and integrates with Japanese vehicle auctions and dealer inventory feeds.
This role is ideal for an experienced engineer who can both design system architecture and actively contribute to coding.
You will work directly with the business owner and help guide future development of the platform.
About Our Platform
Our system includes two main components:
1. Public Website (SEO Marketplace)
Used by international customers to:
browse fixed-price vehicle inventory
search and filter listings
view vehicle detail pages
send inquiries
calculate shipping costs
generate invoices
track orders
browse import regulations
This platform focuses heavily on SEO and organic traffic growth.
2. Private Auction Portal
A separate member-only system where registered users can:
access Japanese car auctions
search auction inventory
place bids
manage deposits and invoices
Auction data is updated daily through API feeds.
Current Technical Stack
The platform currently includes:
Custom PHP codebase
API vehicle inventory feeds
Cloudflare CDN
GoDaddy VPS hosting
WordPress blog (separate instance)
External auction system on subdomain
However, the platform requires:
technical audit
architecture improvements
bug fixes
performance optimization
improved developer workflow
Responsibilities
The Technical Lead will:
System Architecture
Review and improve the current system architecture
Design scalable infrastructure for large vehicle inventories
Improve database structure and API integrations
Optimize search and filtering performance
Development
Fix critical platform issues and bugs
Implement core backend improvements
Optimize performance and page speed
Improve SEO page generation
Technical Leadership
Guide and review work of other developers when needed
Establish coding standards and deployment processes
Recommend best technologies and frameworks
Platform Optimization
Improve scalability for large inventory datasets
Optimize system for SEO-driven traffic
Improve reliability of API integrations
Required Experience
Candidates should have strong experience with:
Large marketplace or eCommerce platforms
PHP / Laravel or modern backend frameworks
REST APIs and third-party integrations
Database architecture (MySQL / PostgreSQL)
High-performance search and filtering systems
Server architecture and cloud environments
Experience working with high-inventory marketplaces (50k+ listings) is strongly preferred.
Nice to Have
Experience with automotive marketplaces
Experience with large SEO-driven websites
Knowledge of scalable frontend frameworks (Next.js / Vue)
Experience working with API data feeds
Engagement Type
Initial engagement will focus on:
platform audit
bug fixing
architecture improvements
This may evolve into long-term technical leadership for the project.
Estimated commitment:
10–30 hours per month initially.
Important
Please include in your proposal:
Examples of large marketplace or eCommerce platforms you worked on
Your experience with high-scale database systems
Your preferred technology stack for a platform like this