Principal Software Architect
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Job Description
Principal Software Architect at HostPapa defining technical vision for CloudBlue’s revenue automation platform. Designing scalable architectures and leading cross-functional collaboration for growth.
Responsibilities:
- Design and evolve hyper-scale systems capable of handling millions of transactions per second using advanced sharding, event-driven architectures, and high-performance caching strategies
- Lead architectural decision-making through RFC processes, ensuring scalability, reliability, and long-term maintainability
- Collaborate cross-functionally with engineering, SRE, and DevOps teams to align infrastructure with application needs
- Contribute hands-on by building proofs of concept (PoCs) for new technologies such as messaging systems or storage solutions
- Define system architecture for a microservices-based, cloud-native SaaS platform integrating APIs, relational and non-relational databases, and AI-driven workflows
- Mentor and guide senior engineers, fostering strong systems thinking, design excellence, and technical leadership across teams
- Drive innovation in AI-enabled architectures and support the evolution of intelligent, scalable platform capabilities
- Support other tasks or projects as assigned to meet team and business needs
Requirements:
- Proven experience scaling platforms from thousands to millions of transactions in high-growth environments
- Deep expertise in distributed systems, including eventual consistency, idempotency, and distributed tracing
- Strong architectural design experience (5-10+ years) building large-scale, high-performance systems
- Strong English communication skills, with the ability to engage effectively across all levels, from executive stakeholders to junior engineers
- Hands-on mindset with the ability to move between strategy and implementation
- Experience working in cloud-native environments with microservices architectures
- Exposure to designing billing and rating systems, particularly in consumption-based or usage-driven models would be considered a plus
- Practical experience integrating AI capabilities into production systems (e.g., APIs, intelligent workflows, or RAG-based architectures) would be a strong advantage
- Familiarity with Kubernetes, cloud infrastructure, and performance optimization at scale would be good to have
Benefits:
- Work from anywhere - this is a remote opportunity, with a primary hiring focus on candidates located within the European Union, in line with team needs and operational coverage
- 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
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