Senior Backend Engineer: Secure, Scalable APIs (Remote)

Crown Cloud AI; Hinoba-an; Hybrid; PHP 994,000 - 1,392,000; Full time

Job summary

Crown Cloud AI Limited is seeking a Senior Backend Engineer to build scalable server-side architecture, APIs, databases, and core business logic across its digital platforms. The role focuses on secure, reliable backend services that power marketplace, CRM, training, and administration functions.

The candidate will design databases, implement authentication, and integrate third-party services while adhering to security and data-protection requirements.

Qualifications

• 5+ years of professional backend software-development experience.
• Strong proficiency in Node.js, Python, Java, or .NET.
• Strong knowledge of REST APIs, service-based architecture, and asynchronous processing.
• Experience with PostgreSQL, MySQL, MongoDB, or comparable database technologies.
• Strong understanding of authentication, authorization, encryption, data privacy, and secure coding practices.
• Experience integrating third-party APIs, communication services, and payment providers.
• Familiarity with cloud deployment, containers, monitoring, and CI/CD practices.
• Experience with Git and collaborative software-development processes.
• Bachelor’s degree in Computer Science, Engineering, or a related discipline.

Responsibilities

• Develop backend services, APIs, platform workflows, and core business logic.
• Design, implement, and maintain relational and non-relational databases.
• Build secure user authentication, permissions, and role-based access controls.
• Develop backend modules supporting marketplace, CRM, training, and administration functions.
• Integrate payment gateways, email services, notifications, and approved third-party platforms.
• Write secure, maintainable, testable, and production-ready code.
• Optimise backend performance, database queries, reliability, and error handling.
• Create unit tests, integration tests, and supporting technical documentation.
• Troubleshoot backend defects, integration failures, and production issues.
• Participate in code reviews, sprint planning, estimation, and technical design discussions.

Skills

Backend development

REST APIs

Service-based architecture

Asynchronous processing

Authentication & security

Third-party API integration

Cloud deployment

Containers & CI/CD

Git

Problem solving

Education

Bachelor's degree in Computer Science, Engineering, or related

Tools

PostgreSQL

MySQL

MongoDB

Git

Job description

Crown Cloud AI Limited is seeking a Senior Backend Engineer to build scalable server-side architecture, APIs, databases, and core business logic across its digital platforms. The role focuses on secure, reliable backend services that power marketplace, CRM, training, and administration functions.

The candidate will design databases, implement authentication, and integrate third-party services while adhering to security and data-protection requirements.