Senior Software Engineer, Billing Platform

Position Summary: With team members and customers in 39 countries around the globe, HostPapa is currently one of the fastest-growing web hosting companies with a wide range of products available. At its core, we provide individuals and small and medium-sized businesses with access to valuable tools and services critical to their online success, including a Website Builder service for making website creation an ultra-easy task for anyone. Tailored to meet every user's unique needs, our award-winning customer support, email, and cloud-based solutions keep HostPapa at the cutting edge of the web hosting industry and innovation by putting our customers first. This role focuses on CloudBlue, a HostPapa business that powers cloud commerce for many of the world s largest service providers, including major Telcos, distributors, and MSPs. CloudBlue enables partners to monetize and manage cloud services and subscriptions at scale, combining the agility of a high-growth business with the backing of a global organization. As the Senior Software Engineer, Billing Platform,you will play a key role in designing, building, and evolving billing capabilities within our CloudBlue platform, involving complex backend logic, pricing-related data flows, and API-driven services. You ll help embed AI into backend systems and business processes. You will be part of an international engineering team. What you ll do • 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 About you • 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 What we offer: • Work from anywhere - this is a remote opportunity, open to candidates located within the European Union only, in line with team needs and operational requirements • A competitive salary that values you and your unique skill sets • Career advancement & professional development opportunities to help you reach your full potential • Flexible work arrangements to support work/life balance About us: At HostPapa, we ve been committed to providing a complete array of enterprise-grade cloud services solutions to every business owner since 2006. These services, traditionally out of reach to smaller businesses, are offered in a one-stop shop, making it quick and easy for customers to select the services they need to grow. We back these offerings with 24/7 award winning customer support in four languages. Our HostPapa team values diversity ...