Senior Software Engineer - AI (Materia AI)

Location: Hybrid in New York, New York, US

Company

hirify.global is partnering with a well-established global technology company building AI-native platforms for tax and accounting professionals.

What you will do

• Design and build Python, FastAPI, and PostgreSQL backend services for real-time AI interactions and large-scale data flows.
• Define AI platform service boundaries, interfaces, and scalable architecture patterns.
• Build high-performance APIs and microservices for AI agents, orchestration engines, and content pipelines under heavy load.
• Integrate LLM providers and develop orchestration, routing, execution safeguards, error handling, guardrails, telemetry, and observability.
• Lead architecture reviews, mentor engineers, and set standards for testing, resilience, and maintainability.
• Strengthen CI/CD and DevOps automation and collaborate with ML engineering, product, and design teams.

Requirements

• 4+ years of experience building backend systems, APIs, and microservices.
• Strong Python, FastAPI, PostgreSQL, and AWS skills.
• Deep understanding of distributed systems, software architecture, and data modeling.
• Experience with AI-driven systems or agent-based architectures.
• Track record of shipping highly reliable production systems.
• Excellent debugging skills and clear cross-functional communication.
• Comfort working in fast-paced, iterative environments.

Nice to have

• Experience with embeddings, vector search, or RAG retrieval patterns.
• Hands-on experience with LLM APIs or orchestration frameworks.
• Strong opinions on testing, automation, and operational robustness.

Culture & Benefits

• Newly formed AI team operating with startup pace and the backing of a large, stable business.
• Hybrid working model with strong benefits and investment in professional growth.
• Products are delivered to thousands of tax and accounting professionals.
• Permanent position.

Hiring process

• Apply for more information.
• Underrepresented candidates and candidates requiring accessibility support are encouraged to apply; an exact match with every listed qualification is not required.