Back-End Developer

UAPP.AI Verified Employer

We are a product IT company building and scaling our own digital products for global markets.
We are looking for a Backend Developer to join our team and work on the development and maintenance of server-side logic, databases, and API integrations for subscription-based digital products.
The role involves building reliable backend infrastructure, implementing payment and subscription systems, and integrating third-party services.

Key Responsibilities:
API Development

  • Design and develop RESTful or GraphQL APIs for communication between frontend interfaces and backend systems
  • Build scalable and maintainable backend architecture
  • Ensure high performance and reliability in high-traffic environments

Subscription & Billing Logic

  • Develop server-side logic for subscription management
  • Implement recurring billing workflows
  • Manage subscription lifecycle using webhooks and event-driven logic
  • Handle user authentication and access management

Payment Integrations

  • Integrate payment gateway APIs (such as Stripe, PayPal)
  • Configure and maintain webhooks for automated payment processing
  • Build and maintain payment workflows and billing systems

Database Management

  • Design and maintain databases storing user, payment, and subscription data
  • Work with SQL databases such as PostgreSQL or MySQL
  • Work with NoSQL databases such as MongoDB when required

Third-Party Integrations

  • Integrate external services and APIs
  • Work with CRM tools and other third-party platforms
  • Maintain and improve reliability of integrations

Performance & Security

  • Ensure data security and protection standards
  • Optimize backend performance and scalability
  • Maintain reliable systems under high traffic conditions

Required Skills and Qualifications:

  • 3+ years of commercial backend development experience
  • Strong proficiency in Node.js or Python
  • Experience building and maintaining RESTful APIs
  • Strong understanding of API standards and backend architecture
  • Experience working with payment APIs (Stripe, PayPal or similar)
  • Experience working with SQL databases (PostgreSQL or MySQL)
  • Understanding of webhooks and asynchronous workflows
  • Experience designing scalable backend systems

Nice to Have:

  • Experience working with subscription-based products
  • Experience implementing recurring billing systems
  • Experience with GraphQL
  • Experience with Docker and containerized environments
  • Experience working with cloud platforms (AWS, GCP or similar)
  • Experience with message queues or event-driven architectures.

We offer:

  • Competitive salary
  • Remote
  • Opportunities for professional growth and development
  • A dynamic and fast-growing team environment
  • The ability to make a real impact on the product and see tangible results.

Required languages

English B1 - Intermediate
Published 5 March
50 views
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24 applications
13% read
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