Sr. Platform Engineer

Posted An Hour Ago
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Hiring Remotely in Arlington, VA, USA
In-Office or Remote
145K-190K Annually
Senior level
Aerospace • Software • Agriculture
The Role
Own and evolve the Core Platform architecture: design and operate scalable APIs, event-driven distributed services, SDKs and AI-integrated workflows. Ensure reliability, observability, performance, and security; provide technical leadership, mentor engineers, and drive best practices.
Summary Generated by Built In
We are seeking a Senior Platform Engineer to join our Core Platform team. In this role, you will own and evolve the end-to-end architecture of the Core Platform, including backend services, SDKs, AI-enabled capabilities, and supporting infrastructure.
You will design and operate scalable APIs, event-driven systems, distributed services, and AI-integrated workflows, ensuring high standards for reliability, performance, observability, and security. This role requires strong architectural judgment, hands-on technical leadership, and the ability to collaborate cross-functionally to deliver extensible platform capabilities that support both traditional integrations and AI-driven use cases.
You will help set technical direction, mentor engineers, and drive engineering best practices across the team.

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.

Skills Required

  • 5+ years of professional software engineering experience
  • Proven experience building scalable, reliable, and secure distributed systems
  • Experience integrating AI/ML capabilities into production systems
  • Deep expertise in REST API design and implementation
  • Experience designing and operating event-driven architectures
  • Strong coding skills across 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
  • Track record of technical leadership, mentorship, and cross-functional collaboration
  • Excellent communication skills with ability to influence at technical and strategic levels
  • Must be a US citizen living within the United States
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The Company
HQ: Arlington, VA
48 Employees
Year Founded: 2022

What We Do

Digital twins are revolutionizing industries from aerospace to agriculture. Istari Digital makes them simple and more secure, unlocking models and simulations for better products - better everything. A faster, cheaper, greener digital future awaits. With Istari Digital, simple and secure collaboration finally comes to software-enabled physical systems, empowering your team with internet-like possibilities.

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