Principal AI Software Engineer

Job not on LinkedIn

🔥 19 hours ago

🇺🇸 United States – Remote

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 12%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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TAXWELL

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2003

⚖️ Legal

💸 Finance

💼 Consulting

Legal • Finance • Consulting

TAXWELL is a legal services firm specializing in international and national tax advice, litigation, mergers and acquisitions (M&A), and board room counseling. With over 20 years of experience, the firm consists of tax and corporate lawyers who are well-versed in Supreme Court litigation and have backgrounds in the Big Four accounting firms. TAXWELL is known for its niche focus and quality segment, boasting close cooperation with renowned arbitrators and foreign counsel while maintaining steady autonomous growth.

📋 Description

• Lead the design, development, and deployment of AI-powered systems across Taxwell • Design and build AI-powered tools that improve productivity across engineering and non-engineering teams • Develop internal AI platforms, shared services, and reusable components • Build and maintain retrieval-augmented generation systems grounded in internal documentation, codebases, tax knowledge, and proprietary data • Partner with DevOps, platform, and security teams to ensure AI systems are scalable, observable, secure, and compliant • Embed AI capabilities into existing Taxwell products to improve accuracy, usability, personalization, and customer outcomes • Architect and build new customer-facing products where AI is a core differentiator • Collaborate with product, design, and tax domain experts to translate user problems into AI-powered solutions • Ensure AI features meet standards for reliability, explainability, and trust in the regulated tax domain • Design and implement agent-based systems using LangChain, LangGraph, ADK, or similar frameworks • Evaluate and integrate commercial and open-source AI technologies, including frontier models and open-weight LLMs • Establish best practices for prompt engineering, evaluation, monitoring, and continuous improvement • Influence AI architecture and technical direction through design reviews and hands-on collaboration • Measure system effectiveness using telemetry, automated metrics, and qualitative user feedback

🎯 Requirements

• 10+ years of software engineering experience • 3+ years operating at a Principal- or Staff-level role • Proven experience designing and deploying production AI systems used by real users • Strong hands-on experience with LLM-enabled systems, including prompt engineering, RAG, and agent orchestration • Proficiency in Python and/or TypeScript • Experience integrating AI systems with real-world applications, workflows, and data sources • Familiarity with vector databases and embedding techniques, such as Pinecone, FAISS, and Chroma • Experience deploying and operating systems on AWS, GCP, or Azure • Strong architectural judgment and ability to balance experimentation with production rigor • Experience building AI platforms or internal copilots used across multiple teams or departments • Experience developing customer-facing AI products at scale • Background in regulated industries such as fintech, tax, or healthcare • Experience fine-tuning or customizing open-weight models, such as GPT-OSS-120B, Mistral 3, and GLM-4.7

🏖️ Benefits

• Supportive, open, and inclusive atmosphere • Equal employment opportunity environment • Disability accommodations during the hiring process