Senior Software Engineer, Billing Platform

HostPapa is one of the fastest-growing web hosting companies, providing tools and services for online success. The Senior Software Engineer for the Billing Platform will design and build billing capabilities within the CloudBlue platform, focusing on backend logic, API-driven services, and AI integration.

Responsibilities:

• Architect and operate backend services driving complex billing logic and transaction processing
• Develop Python-based APIs and services, leveraging AI-assisted tools to accelerate delivery and quality
• Own features end-to-end, from initial design and technical scoping through implementation, testing, deployment, and ongoing production support, ensuring high quality, scalability, and maintainability
• Drive AI adoption across the platform by identifying opportunities to integrate AI into backend services and workflows, and developing AI-powered solutions that improve automation, efficiency, and developer productivity
• Develop and support single-page applications (SPAs) using Vue, contributing to frontend components that enable seamless interaction with backend services and APIs
• Collaborate within small, cross-functional engineering teams to deliver features iteratively, contributing to design discussions, code reviews, and shared ownership of system architecture and quality
• Work closely with Product Managers and other CloudBlue teams to translate business requirements into technical solutions, align on priorities, and ensure successful delivery of platform capabilities
• Partner with your Engineering Manager on growth and career development
• Support other tasks or projects as assigned to meet team and business needs

Requirements:

• 5 years or more of professional software engineering experience, with a minimum of 3 years of hands-on Python development
• Hands-on experience designing and developing billing systems, including pricing logic, invoicing flows, and transaction processing
• Hands-on experience with AI-assisted development tools, combined with a strong interest in applying AI to solve real-world problems and streamline workflows
• Strong experience designing and integrating APIs
• Solid understanding of PostgreSQL and relational databases
• Experience with unit and end-to-end testing
• Strong communication skills in English, with the ability to collaborate effectively across cross-functional teams
• Experience with event streaming platforms (e.g., Kafka) and exposure to distributed systems patterns is considered a plus
• Familiarity with Python frameworks such as Django, DRF, or FastAPI would be beneficial
• Exposure to additional backend languages such as Java, Go, or Rust is an added advantage
• Hands-on experience integrating LLMs or AI services (e.g., OpenAI APIs, RAG) is a strong plus
• Recent experience with JavaScript frameworks such as Vue or React is helpful
• Experience with cloud platforms (AWS, Azure, or GCP), Kubernetes, and modern DevOps practices (infrastructure as code, CI/CD, monitoring, and alerting) is advantageous