Istari
Istari

Sr. Platform Engineer

Anywhere
$145,000 – $190,000 per year

TLDR

Own end-to-end Core Platform architecture, including backend services, SDKs, APIs, and AI-enabled workflows driving scalable, observable systems.

Core Responsibilities
  • Own the end-to-end architecture of the Core Platform, including backend services, SDKs, AI-enabled components, and related infrastructure.
  • Design and implement scalable APIs, event-driven systems, distributed services, and AI-integrated capabilities (including AI/ML and MCP integrations).
  • Architect systems that reliably incorporate AI models into production environments, with strong attention to observability, latency, cost management, and failure handling.
  • Lead API design and implementation with a focus on usability, performance, and long-term maintainability.
  • Architect and evolve microservices using domain-driven design principles.
  • Build platform abstractions and primitives that enable AI-driven workflows and agent-based capabilities.
  • Partner closely with Product, Infra, and Customer Success teams to deliver seamless, customer-centric integration capabilities.
  • Provide technical leadership, mentorship, and architectural guidance to engineers.
  • Establish and elevate engineering best practices across design, development, testing, and operations.
  • Required Qualifications
  • 5+ years of professional software engineering experience.
  • Proven experience building scalable, reliable, and secure distributed systems, including systems that integrate AI/ML capabilities.
  • Experience integrating AI-powered features into production systems, with an understanding of performance, reliability, and governance considerations.
  • Deep expertise in REST API design and implementation.
  • Experience designing and operating event-driven architectures.
  • Strong coding skills across multiple layers of the stack (backend services, SDKs, developer tooling, and AI-integrated systems).
  • Strong understanding of microservices architecture and domain-driven design.
  • Strong proficiency in Python (object-oriented and functional programming).
  • Experience with Golang and TypeScript desired.
  • Track record of technical leadership, mentorship, and cross-functional collaboration.
  • Excellent communication skills with the ability to influence at both technical and strategic levels.
  • Must be a US citizen living within the United States.
  • About Istari Digital

    Istari is a digital engineering software company building open, scalable infrastructure for engineering data. Our platform lets customers simply and securely integrate engineering models across disciplines, organizations, and security levels — whether they're designing prototypes, performing virtual testing, or training AI and autonomy for complex systems.

    Focus is rewarded.  Finish is remembered.

    Facts are friendly.  Even when they are not fun.

    Fellowship is fundamental.  Make others successful.

    Benefits

    Remote-Friendly

    Fully remote role

    Istari is a digital engineering software company that empowers customers to transform the physical world into digital environments to achieve their specific missions. We are building an open and scalable digital engineering ecosystem, enabling seamless integration of engineering models across various disciplines and organizations. Our platform facilitates prototype design, virtual testing, and AI training, helping clients save time, resources, and reduce environmental impact.

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