Platform Architect & Tech Lead, AI-Driven Core Infra

Juniper Square; United States; Remote; USD 180,000 - 260,000; Full time

Job summary

Juniper Square is seeking a Principal Engineer to join our Platform team, owning CIAM, Authorization, Search, API Infrastructure, and the tools, frameworks, and developer experience improvements that power engineering at Juniper Square. You'll be the senior-most technical voice on the team, blending hands-on engineering with technical leadership, architectural ownership, and cross-functional influence.

You'll drive end-to-end delivery, mentor engineers, establish platform standards, and promote

Qualifications

• 12+ years of experience designing, building, and operating large-scale distributed production systems.
• Strong backend engineering with Python frameworks (FastAPI, Flask, Pyramid, or Django).
• Experience leading technical design for complex systems and guiding implementation across teams.
• Relational/NoSQL databases: schema design, performance tuning, data modeling.
• Cloud-native systems on AWS, GCP, or Azure with Docker and Kubernetes.
• Solid understanding of CI/CD, observability, reliability, and operational excellence.

Responsibilities

• Operate as the Directly Responsible Individual (DRI) for high-impact initiatives.
• Take full ownership of project health, system design, and end-to-end delivery.
• Partner with Product Management to clarify requirements and map business goals to technical scope.
• Drive architectural design and execution planning, leading engineers toward incremental deliverables.
• Establish reusable patterns and platform primitives for other teams to build on.
• Improve engineering efficiency via tooling, automation, and documentation.

Skills

Distributed systems

Python backend

Technical leadership

CI/CD

Observability

Ambiguity handling

Developer experience

Tools

Docker

Kubernetes

Job description

Juniper Square is seeking a Principal Engineer to join our Platform team, owning CIAM, Authorization, Search, API Infrastructure, and the tools, frameworks, and developer experience improvements that power engineering at Juniper Square. You'll be the senior-most technical voice on the team, blending hands-on engineering with technical leadership, architectural ownership, and cross-functional influence.

You'll drive end-to-end delivery, mentor engineers, establish platform standards, and promote