SENIOR ARCHITECT - SENIOR ARCHITECT

Open Source Architect – SaaS (PHP / Node.js / Vue.js / Cloud)

Role Summary

Open Source Architect

Key Responsibilities

1. SaaS Architecture & Platform Design

• Define end-to-end SaaS architecture including:

• Multi-tenancy models (pooled, siloed, hybrid)

• Tenant isolation (data, compute, networking)

• Subscription, billing, and metering architecture

• Design cloud-native architectures using managed services (AWS / Azure / GCP).

• Establish reference architectures and architectural standards.

2. SaaSification Strategy

• Lead transformation from:

• On-prem / single-tenant / VM-based systems

SaaS-first, elastic, consumption-based platforms

• Identify components for:

• Re-architecture vs refactoring vs re-platforming

• Define phased SaaS migration roadmap.

3. Multi-Tenancy & Scalability

• Design tenant onboarding, provisioning, and lifecycle management.

• Architect horizontal and vertical scaling strategies aligned with tenant usage.

• Implement resource isolation, throttling, and quota management.

4. Security, Compliance & Governance

Credit Union operations

• Define SaaS security architecture:

• IAM, RBAC, tenant isolation, encryption

• Data encryption (at rest & in transit)

• Support compliance needs (SOC2, ISO 27001, GDPR).

• Establish architecture governance and design review processes.

5. Data & Integration Architecture

• Design tenant-aware data models (shared DB, schema-per-tenant, DB-per-tenant).

• Architect event-driven and API-led integrations.

• Define strategies for:

• Data migration

• Backward compatibility

• Zero-downtime upgrades

6. DevOps & Platform Enablement

• Define CI/CD pipelines aligned with SaaS release models.

• Enable blue-green / canary deployments.

• Work with SRE teams on observability, SLAs, and resilience.

cloud platforms

7. Backend and Frontend oversight

• Lead backend architecture using 

  PHP frameworks (Laravel / Symfony)

  and/or 

  Node.js (NestJS / Express)

  .
• Design RESTful and/or GraphQL APIs for high-volume transactional systems.
• Guide frontend architecture using 

  Vue.js

  (Vue 3, Composition API, state management).
• Ensure seamless integration between frontend, backend, and third-party services.

8. Collaboration and Mentorship

• Work closely with product managers, engineering leads, and stakeholders.
• Mentor developers and architects across teams.
• Contribute to open-source strategy and evaluate third-party OSS components.

Required Skills & Experience

Technical Skills

• Strong experience in SaaS architecture & multi-tenancy

• Cloud platforms: AWS / Azure / GCP

• Microservices, containers, Kubernetes

• API-first and event-driven architectures (Kafka, Pub/Sub, EventBridge)

• Identity & access management (OAuth2, OIDC, SAML)

• Observability (logging, metrics, tracing)

• Strong experience in 

  Node.js and/or PHP

  (Laravel/Symfony) backend architecture.
• Solid expertise in 

  Vue.js

  frontend architecture.
• Deep understanding of 

  SaaS, microservices, and multi-tenant systems

  .
• Experience with 

  cloud-native architectures

  (AWS/Azure/GCP).
• Proficiency with databases (MySQL, PostgreSQL) and caching (Redis).
• API design (REST, GraphQL), message queues, and event-driven systems.

SaaS-Specific Expertise

• Tenant isolation strategies

• Subscription & billing systems

• Usage-based metering

• SaaS security best practices

• Zero-downtime upgrades

Domain and Soft Skills

• Experience in 

  banking, fintech, or credit union systems

  (preferred).
• Strong communication and documentation skills.
• Ability to translate business requirements into technical solutions.
• Leadership mindset with hands-on capability.

Experience

• 10–15+ years in software architecture

• 5+ years designing or transforming SaaS platforms

• Experience modernizing enterprise or legacy systems

Preferred Qualifications

• Experience with SaaS product companies

• TOGAF or Cloud Architect certification

• Experience with FinOps or cost optimization

• Knowledge of marketplace or partner ecosystems

Key Outcomes / Success Metrics

• Successful SaaS launch with multi-tenant scalability

• Reduced operational overhead via managed services

• Faster tenant onboarding

• Improved reliability, security, and cost efficiency