Principal System Designer

2 days ago

Mumbai, Maharashtra, India beBeeEngineering Full time ₹ 1,80,00,000 - ₹ 2,40,00,000
System Architect for Customer Experience Engineering

This is an exceptional opportunity to contribute to the design and development of foundational systems that power customer billing, contracting, and enterprise account management.

Job Description

The successful candidate will be responsible for designing, developing, and maintaining high-impact systems that drive customer experience and business operations.

Key Responsibilities:
  • Design and develop a robust billing engine infrastructure with focus on accuracy, performance, and scalability.
  • Implement and optimize rate card systems to support complex pricing models and billing scenarios.
  • Evaluate billing calculations for precision, auditability, and handling edge cases.
  • Build robust invoicing systems integrating seamlessly with Enterprise Resource Planning (ERP) systems; implement invoice generation, delivery, and tracking capabilities.
Requirements

The ideal candidate will have:

  • 5+ years of software engineering experience with increasing responsibility.
  • Strong proficiency in TypeScript and modern JavaScript ecosystem.
  • Extensive experience with Prisma ORM and database modeling.
  • Experience with PostgreSQL, including query optimization and database design.
  • Experience with Firebase for application deployment and management.
  • Understanding of financial systems, bi ling processes, or fintech applications.
  • Experience building Backend for Frontend (BFF) architectures and API design patterns.
Preferred Qualifications

The following experiences are highly desirable:

  • Experience building billing engines, payment systems, or financial software.
  • Knowledge of contract management systems and business process automation.
  • Background in user authentication and authorization systems.
  • Experience with high-scale, high-availability systems.
  • Familiarity with compliance requirements (SOX, PCI, etc.).
  • Strong system design skills with ability to architect scalable, maintainable solutions.
  • Experience with test-driven development and maintaining high code quality standards.
  • Proficiency in debugging complex distributed systems.
  • Understanding of security best practices for financial and user data.
Collaboration and Leadership

The successful candidate will be able to:

  • Communicate technical concepts effectively to non-technical stakeholders.
  • Mentor junior engineers and conduct code reviews.
  • Collaborate with cross-functional teams, including product, finance, and operations.
  • Understand how technical decisions impact customer experience and business metrics.

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