About the role

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

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

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