Job Openings INT-5BCA453 | SENIOR BACK END DEVELOPER

About the job INT-5BCA453 | SENIOR BACK END DEVELOPER

We are looking for a Senior Backend Developer with strong expertise in the .NET technology stack and proven experience integrating billing, payments, and financial platforms such as NetSuite, Wise, Chargebee, Stripe, and similar systems. This role will play a critical part in designing, building, and maintaining scalable backend services that support billing automation, financial accuracy, and secure payment processing across our platforms.

The ideal candidate is highly technical, detail-oriented, and comfortable working closely with Product Managers, Finance, and external vendors to deliver reliable, compliant, and scalable billing solutions.

  • You’ll be interacting with key players such as C-level executives from enterprise-level organizations which can expand your skills and network.
  • Making sound decision-making and flexibility to ensure team dynamics and productivity.
  • Hybrid work setup
  • Competitive salary and benefits
  • HMO + free dependent
  • Access to KMC's exclusive pantry (MadMax Coffee, Fresh Fridge)
  • Diverse learning & growth opportunities
  • Accessible Cloud HR platform (Sprout)
  • Above standard leaves

  • Design, develop, and maintain backend services using .NET / C# following clean architecture and best practices.

  • Lead and implement integrations with billing and payment platforms (e.g., NetSuite, Wise, Chargebee, Stripe, PayPal, or similar).

  • Build and maintain APIs for subscription management, invoicing, payments, refunds, reconciliation, and reporting.

  • Ensure data accuracy and consistency across financial systems and internal platforms.

  • Implement secure payment flows, handling sensitive financial data in compliance with industry standards (PCI-DSS, data privacy regulations).

  • Collaborate with Product, Finance, and Operations teams to translate business and billing requirements into technical solutions.

  • Optimize system performance, scalability, and reliability for high-volume financial transactions.

  • Write clean, well-tested, and maintainable code; enforce code quality through reviews and automated testing.

  • Troubleshoot and resolve complex production issues related to billing, payments, and integrations.

  • Mentor junior developers and contribute to technical standards and best practices.

  • 2+ years of professional backend development experience.

  • Proven track record of building and maintaining financial or billing-related systems.

  • Experience working in agile / scrum environments.

  • Strong experience in C# and .NET (ASP.NET Core, Web API).

  • Solid understanding of RESTful APIs, webhooks, and event-driven architectures.

  • Hands-on experience integrating billing and payment platforms such as:

    • NetSuite (ERP / financial integrations)

    • Wise (international payments)

    • Chargebee (subscription billing)

    • Stripe (payments, subscriptions, invoicing) or equivalent billing/payment systems

  • Experience working with relational databases (SQL Server, PostgreSQL, MySQL) and ORM tools (e.g., Entity Framework).

  • Strong knowledge of authentication, authorization, and security best practices.

  • Experience with background jobs, schedulers, and async processing.

  • Familiarity with cloud platforms (AWS, Azure, or GCP) and deployment pipelines.

  • Experience with microservices architecture.

  • Knowledge of financial reconciliation, tax handling, multi-currency support, and exchange rate management.

  • Exposure to event streaming or messaging systems (e.g., Kafka, RabbitMQ, Azure Service Bus).

  • Experience with CI/CD pipelines and DevOps practices.

  • Familiarity with compliance requirements related to finance and payments.


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