Senior AI Backend Engineer | Scalable Systems | Hybrid

Relha LLC; Eagan, Northern (MN, KY); Hybrid; USD 110,000 - 235,000; Full time

Benefits offered by this job

Hybrid Work Model

Flexible vacation

Mental Health Days

Headspace access

Tuition Reimbursement

401k with company match

Paid holidays

Job summary

Thomson Reuters is seeking a Senior Software Engineer - AI (Materia AI) to architect and optimize backend services powering AI-enabled experiences for tax and accounting professionals. You will drive scalable, production-ready platforms, integrating with leading LLM providers and building robust data pipelines.

Join a fast-paced team focused on high-performance microservices, real-time AI interactions, and enterprise-grade reliability.

Qualifications

• Minimum 7+ years building backend systems, APIs, and microservices.
• Strong proficiency in Python, FastAPI, PostgreSQL, and AWS cloud services.
• Deep understanding of distributed systems, architecture, and data modeling.
• Experience with AI-driven systems or agent-based architectures.
• Proven ability to deliver production-ready, highly reliable systems.
• Excellent debugging skills and strong cross-functional communication.
• Comfortable operating in fast-paced, iterative environments.

Responsibilities

• Design and build backend services using Python, FastAPI, and PostgreSQL to support real-time AI interactions and large-scale data flows.
• Shape the architectural foundation of our AI platform by defining service boundaries, system interfaces, and scalable design patterns.
• Develop high-performance APIs and microservices that power AI agents, orchestration engines, and content pipelines, ensuring smooth operation under heavy load.
• Integrate backend systems with modern LLM providers (e.g., OpenAI, Anthropic) and implement reliable orchestration, routing, and execution safeguards.
• Productionize AI capabilities with robust error handling, guardrails, telemetry, and deep observability for performance and reliability.
• Lead core engineering decisions—driving architecture reviews, mentoring teammates, and promoting best practices in testing, resiliency, and maintainability.
• Strengthen CI/CD pipelines and DevOps automation to support fast, stable, cloud-native development workflows.
• Collaborate closely with ML engineers, product managers, and designers to turn early AI concepts into scalable backend solutions.
• Deliver backend systems that transform ambitious AI ideas into production-ready experiences used by thousands of professionals.

Skills

Python

FastAPI

PostgreSQL

AWS cloud services

Distributed systems

AI-driven systems

Debugging

Cross-functional collaboration

Tools

OpenAI API

Anthropic API

LLM orchestration frameworks

Job description

Thomson Reuters is seeking a Senior Software Engineer - AI (Materia AI) to architect and optimize backend services powering AI-enabled experiences for tax and accounting professionals. You will drive scalable, production-ready platforms, integrating with leading LLM providers and building robust data pipelines.

Join a fast-paced team focused on high-performance microservices, real-time AI interactions, and enterprise-grade reliability.