Solutions Architect

Role Description

We are seeking a highly experienced Solutions Architect with 15–20 years of software engineering and architecture experience to lead the design, evolution, and scalability of C3's core platform. This role will serve as a technical leader responsible for architecting complex cloud commerce, subscription management, billing, reconciliation, taxation, and automation capabilities while mentoring engineering teams and partnering closely with Product, Customer Success, and Leadership teams. The ideal candidate combines deep technical expertise with strong business understanding and has experience building and operating mission-critical SaaS platforms at scale.

Key Responsibilities

• Platform Architecture & Engineering Leadership
  • Define and evolve the overall architecture of CSP Control Center.
  • Design scalable, secure, highly available, and maintainable platform services.
  • Lead architectural decisions across billing, subscriptions, cloud operations, integrations, reporting, and AI initiatives.
  • Establish engineering standards, design patterns, and best practices.
• Billing Engine & Cloud Commerce Platform
  • Own the architecture and evolution of C3's billing and commerce engine.
  • Ensure auditability, compliance, scalability, and data integrity across all financial operations.
  • Design and optimize:
    • Subscription lifecycle management
    • Usage-based billing
    • Azure reconciliation
    • Invoicing
    • Taxation
    • Pricing engines
    • Revenue calculations
    • Multi-currency and multi-country billing
• Database Architecture & Performance Optimization
  • Design and optimize large-scale transactional database systems.
  • Lead performance tuning initiatives for mission-critical workloads.
  • Drive improvements in:
    • Query performance
    • Indexing strategies
    • Data partitioning
    • Scalability
    • High availability
    • Data archival strategies
• Cloud & Modern Application Architecture
  • Design cloud-native architectures using Microsoft Azure.
  • Collaborate on future AWS and multi-cloud expansion initiatives.
  • Guide adoption of:
    • Microservices
    • Event-driven architectures
    • API-first design
    • Distributed systems
    • Containerization
    • Observability and monitoring
• AI & Platform Innovation
  • Drive adoption of AI across engineering and product teams.
  • Help shape the future AI strategy for C3.
  • Evaluate opportunities for:
    • AI-assisted development
    • Intelligent billing insights
    • AI-powered customer experiences
    • Predictive analytics
    • Agentic workflows
• Technical Leadership & Mentorship
  • Mentor and coach engineering teams.
  • Conduct architecture reviews and code reviews.
  • Establish technical governance and quality standards.
  • Guide teams on scalability, reliability, security, and performance best practices.
• Production Support & Stakeholder Engagement
  • Act as the senior technical escalation point for critical platform issues.
  • Lead root cause analysis and remediation efforts.
  • Communicate technical findings effectively to executives, customers, and non-technical stakeholders.
  • Support strategic customer implementations and complex technical discussions.

Qualifications

• 15–20 years of software engineering experience.
• 8+ years in Solution Architecture, Technical Architecture, or Principal Engineering roles.
• Proven experience building and scaling enterprise SaaS platforms.
• Strong experience architecting billing, financial, subscription, commerce, or transaction-intensive systems.

Requirements

• Technical Expertise
  • Backend Technologies
    • Expert-level C# and .NET/.NET Core
    • REST APIs
    • Distributed systems
    • Event-driven architectures
    • Microservices
  • Database Technologies
    • SQL Server
    • Database design and optimization
    • Query tuning
    • Indexing strategies
    • High-volume transactional systems
    • Performance engineering
  • Cloud Platforms
    • Microsoft Azure (required)
    • Azure Services, App Services, Functions, Service Bus, Storage, Identity Services
    • AWS exposure preferred
  • SaaS & Domain Expertise
    • Strong preference for candidates with experience in:
      • SaaS platforms
      • Subscription management
      • Billing engines
      • Revenue platforms
      • FinOps
      • Cloud commerce
      • Microsoft CSP ecosystem
      • Azure
      • ERP integrations
      • Taxation and invoicing systems
  • Leadership & Communication
    • Exceptional problem-solving and analytical skills.
    • Strong mentoring and technical leadership capabilities.
    • Excellent written and verbal communication skills.
    • Comfortable presenting architecture decisions to executive leadership.
  • AI & Modern Engineering Skills
    • Experience leveraging AI to improve engineering productivity, architecture design, documentation, code quality, and development workflows is highly desirable.
    • Candidates should have hands-on experience using modern AI tools such as:
      • GitHub Copilot
      • Claude
      • Microsoft Copilot
• Nice-to-Have
  • Microsoft Azure certifications
  • TOGAF certification
  • Cloud Architecture certifications
  • Experience with Avalara, payment gateways, ERP integrations, or financial systems
  • Exposure to Microsoft Partner Center APIs and CSP ecosystem

What We're Looking For

We are looking for a hands-on architect who can think strategically while remaining close to the technology. The ideal candidate has deep expertise in SaaS platforms, cloud architecture, billing systems, and large-scale transactional applications. They are equally comfortable discussing architecture with engineers, solving production challenges, mentoring teams, and advising leadership on long-term technology strategy. Most importantly, they should be passionate about building world-class cloud commerce infrastructure that powers the next generation of CSP Control Center.