Senior Platform Engineer: AI-Driven Backend & API Architect

Devopsroles; United States; Hybrid; USD 140,000 - 210,000; Full time

Job summary

Istari Digital seeks a Senior Platform Engineer to own the end-to-end architecture of the Core Platform, including backend services, SDKs, AI-enabled components, and supporting infrastructure.

You will design scalable APIs, event-driven systems, and distributed services, mentor engineers, and collaborate with product, infra, and customer success to deliver extensible platform capabilities for traditional integrations and AI-driven use cases.

Qualifications

• 5+ years of professional software engineering experience.
• Experience building scalable, reliable distributed systems with AI/ML capabilities.
• Experience integrating AI-powered features into production systems with attention to performance and governance.
• Proficiency in REST API design and event-driven architectures.
• Strong coding skills across backend services, SDKs, and AI-integrated systems.
• Strong understanding of microservices architecture and domain-driven design.
• Proficiency in Python; experience with Golang and TypeScript is preferred.
• Track record of technical leadership and cross-functional collaboration.
• Excellent communication with ability to influence at technical and strategic levels.
• Must be a US citizen living within the United States.

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.
• Architect systems that reliably incorporate AI models into production environments with observability and cost management.
• Lead API design and implementation with a focus on usability, performance, and maintainability.
• Architect and evolve microservices using domain-driven design principles.
• Build platform abstractions and primitives enabling AI-driven workflows and agent-based capabilities.
• Partner with Product, Infra, and Customer Success teams to deliver seamless integration capabilities.
• Provide technical leadership, mentorship, and architectural guidance to engineers.
• Establish and elevate engineering best practices across design, development, testing, and operations.

Skills

Distributed systems

API design

Python

Golang

TypeScript

Leadership

Communication

Job description

Istari Digital seeks a Senior Platform Engineer to own the end-to-end architecture of the Core Platform, including backend services, SDKs, AI-enabled components, and supporting infrastructure.

You will design scalable APIs, event-driven systems, and distributed services, mentor engineers, and collaborate with product, infra, and customer success to deliver extensible platform capabilities for traditional integrations and AI-driven use cases.