Principal Platform Architect Jobs

Principal Platform Architect

ACI Infotech

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Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

The Principal Platform Architect will lead the design and implementation of a secure, multi-tenant SaaS platform with strong tenant isolation, scalability, and enterprise-grade security. This role requires deep expertise in distributed systems, cloud infrastructure, and platform security, along with the ability to guide engineering teams and collaborate with product, security, and SRE stakeholders.

Job Responsibility:

Define reference architecture for a multi-tenant, zero-trust platform with clear SLOs
Own platform architecture across data, control, and execution planes
Design control planes to enable safe self-service and strong tenant isolation
Establish tenancy, identity, and policy models for SSO, RBAC, secrets, and encryption
Design APIs, contracts, and extension points for platform capabilities
Partner with product, security, and SRE to codify SLOs and error budgets
Drive build vs buy decisions, reference implementations, and blueprints
Review critical designs and support teams with hands-on prototyping in Go, Node.js, or Python
Develop runbooks, ADRs, and threat models to meet enterprise audit standards

Requirements:

Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
10+ years of experience in distributed systems and multi-tenant SaaS
Expertise in AWS/Azure/GCP, Kubernetes, and Infrastructure-as-Code (Terraform, Helm)
Strong security knowledge across SSO, RBAC, secrets, and encryption
Hands-on coding experience with Go, Node.js, or Python
Experience designing control planes and platform services
Strong communication, leadership, and problem-solving skills

Nice to have:

Experience with vector DBs, embeddings, and re-ranking (RAG and search)
Knowledge of LLM cost control, caching, and routing
Integrating workflow engines or low-code builders
Exposure to Slack, Teams, or Webex integrations

Additional Information:

Job Posted:
December 05, 2025

Employment Type:

Fulltime

Work Type:

Remote work

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