Senior Software Engineer – AI, Tax and Audit, FDE

About this role

### Job Description

Build and deploy production AI solutions that help tax and audit professionals improve accuracy, streamline complex work, and deliver better outcomes for their clients. As a Senior Software Engineer, you will combine Python, backend engineering, large language models (LLMs), and client-facing delivery to turn business needs into secure, reliable applications. You will work across client engagements, independently lead simpler builds, and partner with Staff and Principal engineers on complex solutions.

### Key Responsibilities

• **Own client delivery** on simpler builds and standard integrations, translating ambiguous needs into clear technical scope, working solutions, and effective handoffs for public accounting firms, corporate tax departments, and audit practices.
• **Build production AI applications** , including **retrieval-augmented generation (RAG) pipelines, custom agents, and multi-step agentic workflows** , for tax preparation and review, audit testing, workpaper automation, validation, and regulatory analysis.
• Develop **scalable, secure, and maintainable backend services** , applying architecture established with Staff and Principal engineers and partnering with Integration Engineers to connect solutions to Thomson Reuters products and client systems.
• Establish **AI evaluation, observability, monitoring, tracing, benchmarking, and adversarial testing** to improve solution accuracy, reliability, and production performance.
• Partner with **Tax & Audit AI Engineers** to translate tax rules and audit procedures into engineering plans, prototypes, and measurable evaluation criteria.
• Manage delivery across multiple engagements at agreed time allocations, contributing technical judgment during early discovery, rapid prototyping, and pre-sales discussions.
• Support deployments through **post-launch stabilization, incident resolution, runbooks, and support handoffs** , and contribute reusable components and engine...