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HostPapa

Principal Software Architect

HostPapa

. 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 .

Posted 4/22/2026full-timeRemote • 🇨🇦 CanadaLeadWebsite

Tech Stack

Tools & technologies
CloudDistributed SystemsKubernetesMicroservices

About the role

Key responsibilities & impact
  • 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

What you’ll need
  • 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

Comp & perks
  • 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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
distributed systemsevent-driven architecturemicroservices architecturecloud-native environmentshigh-performance systemsAI capabilities integrationscalabilityreliabilityperformance optimizationsharding
Soft Skills
architectural designcommunicationmentoringcollaborationleadershipsystems thinkinginnovationhands-on mindsetstrategic thinkingengagement