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Principal AI Engineer - Remote

TaxAct
2 hours ago
Full-time
On-site
East New York, New York, United States
Taxwell is a leading digital tax filing platform formed in 2022 from the combination of Drake Software® and TaxAct®. These two longstanding organizations offer customers professional and do-it-yourself digital and downloadable products that are easy-to-use, best-in-class technology, and provide unparalleled customer support. Taxwell brands are a trusted solution for all users including those with complex tax returns. We strive to attract and retain candidates who exemplify our values: performance, perseverance, progress and partnership. We are seeking a Principal AI Engineer to lead the design, development, and deployment of AI-powered systems across the company. This role spans customer-facing AI capabilities, internal AI platforms and automation, and the creation of new AI-native products. This is a hands-on leadership role for an engineer who has successfully built production AI systems and can translate emerging AI technologies into measurable business outcomes.

Design and build AI-powered applications for internal users and customers. Build and optimize retrieval-augmented generation (RAG) systems using proprietary data and knowledge sources. Fine-tune, adapt, and evaluate foundation models for domain-specific use cases. Develop shared AI platforms, services, and tooling that enable teams to build AI-powered solutions efficiently. Evaluate and integrate commercial, open-weight, and frontier AI models. Partner with Product, Engineering, Operations, Security, and business stakeholders to identify and deliver high-impact AI initiatives. Establish best practices for AI architecture, evaluation, observability, governance, and reliability. 8+ years of experience in software engineering, ML, NLP, applied AI, Data Science, or related disciplines. ~ Proven experience designing, deploying, and operating production AI systems. ~ Strong hands-on experience with LLMs, RAG, agent orchestration, and AI-powered applications. ~ Experience fine-tuning, adapting, or evaluating foundation models using techniques such as SFT, LoRA, QLoRA, reinforcement learning approaches, or other parameter-efficient methods. ~ Strong understanding of model behavior, embeddings, retrieval systems, evaluation frameworks, and AI system performance. ~ Strong Python development skills. ~ Experience with vector databases and semantic retrieval architectures. ~ Experience deploying cloud-native applications on AWS, Azure, or GCP. ~ Background in machine learning, NLP, information retrieval, applied AI, or data science. Experience building AI platforms, copilots, or workflow automation solutions. Experience developing customer-facing AI products. Experience building vertical AI applications or domain-specific AI products. Experience in regulated industries such as fintech, tax, healthcare, or financial services.

As such, Taxwell welcomes and celebrates diversity and inclusion and is committed to equal opportunity employment. Taxwell is committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants without regard to race, color, religion, sex, national origin, age, disability, marital status, sexual orientation, gender identity, veteran status, and any other status protected under applicable law. Taxwell considers information gathered in the hiring process, including information on this application, confidential, and only shares it on a need-to-know basis or as required by law. If you need assistance or accommodation due to a disability, you may contact us at HR@Taxwell.