We develop and scale our own iOS applications and web-based subscription funnels. The company operates through three specialized units:
- iOS Development Unit – focused on building high-quality mobile applications for Tier-1 markets.
- Web Funnels Unit – responsible for crafting and optimizing subscription-based web funnels that drive user acquisition and maximize LTV.
- Media Buying & Monetization Unit – manages high-volume paid traffic, product offers, and campaign performance across platforms like Facebook, TikTok, Google, and DSP networks.
Our media buying team works closely with product and analytics teams to optimize conversion rates, reduce CAC, and scale profitable campaigns globally.
Website:
https://cjapps.com
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· 117 views · 19 applications · 28d
PHP developer (senior/middle+)
Full Remote · Ukraine · 3 years of experienceWe’re looking for a skilled PHP Developer to join our performance marketing team. You’ll be working on the technical backbone of our media buying operations — building and maintaining high-converting landers, integrating payment systems (Stripe, Apple...We’re looking for a skilled PHP Developer to join our performance marketing team. You’ll be working on the technical backbone of our media buying operations — building and maintaining high-converting landers, integrating payment systems (Stripe, Apple Pay), and supporting internal CRM and analytics tools.
What You’ll Do
- Develop and maintain custom PHP-based landers and backend systems
- Integrate payment providers (Stripe, Apple Pay) with secure and optimized flows
- Set up APIs and server-to-server (S2S) integrations for tracking and automation
- Support internal tools and CRM systems to manage leads and conversions
- Collaborate closely with media buyers, designers, and data analysts
- Optimize existing codebase for performance and scalability under traffic load
Requirements
- Strong experience in PHP (Laravel/Symfony or vanilla)
- Solid understanding and hands-on experience with Stripe API and Apple Pay
- Good knowledge of REST APIs, Webhooks, JSON, and backend integrations
- Familiarity with frontend basics (HTML/CSS/JS) for lander work
- Experience with server-side tracking and event logging
- Proficiency with MySQL/PostgreSQL
- Experience working in high-traffic environments, preferably in performance marketing or affiliate industry
- English proficiency for tech communication
Nice to Have
- Experience with Meta Ads Conversion API (server-side event tracking)
- Experience in CRM development or integration
- Knowledge of Keitaro, Binom, or other tracking platforms
- Familiarity with cloud/VPS setup (NGINX, Docker, etc.)
- Understanding of GDPR, PCI DSS, and security best practices for handling payments