
Senior Software Engineer
Istari
full-time
Posted on:
Location Type: Remote
Location: Massachusetts • United States
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Salary
💰 $160,000 - $200,000 per year
Job Level
About the role
- 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.
Requirements
- 5+ years of professional software engineering experience, with at least 2 years in senior roles.
- 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.
- 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.
Benefits
- Medical/Dental/Vision
- Employee Premiums are 100% Company Paid
- Life Insurance
- Flexible Work Hours
- Unlimited Paid Time Off (PTO) with federal government holidays
- Competitive Compensation
- 401k
- Company Stock Options
- Home Office Setup Budget
- Reimbursement for approved trainings and subscriptions
- Conferences (travel, lodging, and fees)
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
API designevent-driven systemsdistributed systemsAI integrationmicroservices architecturedomain-driven designPythonGolangTypeScriptscalable systems
Soft Skills
technical leadershipmentorshipcross-functional collaborationcommunicationinfluence