Senior Software Engineer, AI

Job Overview

As a Senior AI Engineer on our Core AI team, you will architect, build, and scale the AI products that power our accounting automation platform and enable our vision of an AI accountant teammate. This role requires deep expertise in production AI systems and a passion for solving complex accounting workflow challenges.

Hybrid work: 3 times a week in our San Jose office. Visa sponsorship is not available.

• Architect and lead development of production AI products including intelligent chatbots, document processing systems, and agentic workflows using Python and modern AI frameworks.
• Design and implement our centralized AI platform covering model routing, provider management, vector search, and AI application frameworks with seamless MCP integrations.
• Build scalable AI products that integrate with diverse technologies such as accounting systems, document repositories, and external APIs while maintaining robust monitoring and observability.
• Master context engineering and system design for AI applications, ensuring optimal information retrieval, context assembly, and multi‑turn conversation management.
• Collaborate with Product, Engineering, and Security teams to ensure AI products are robust, compliant, and aligned with business objectives in the regulated accounting space.
• Provide technical leadership and mentorship to the growing AI team, establishing best practices for AI product development, deployment, and governance.

• 8+ years of professional software engineering experience, with 4+ years focused on building backend for production applications.
• Mastery of Python and familiarity with AI application frameworks, context engineering, and scalable system design for AI products.
• Expertise in designing products that integrate with multiple technologies, APIs, and data sources in cloud‑native environments (AWS preferred).
• Strong desire to develop deep hands‑on experience with LLM APIs, retrieval‑augmented generation (RAG), conversational AI, document processing, and MCP integrations.
• Proven ability to lead tech product initiatives, establish technical standards, and communicate complex system designs to both technical and business stakeholders.

• Experience building chatbots or conversational AI products in production.
• Background in system integration, API design, or enterprise software platforms.
• Familiarity with accounting workflows and financial data processing.
• Experience with AI observability, debugging tools, and production AI monitoring.
• Hands‑on experience with advanced RAG architectures, reranking systems, and retrieval optimization techniques.
• Knowledge of reinforcement learning from human feedback (RLHF) or other RL techniques for improving AI product performance.
• Experience building AI platform components like embedding pipelines, semantic search systems, or multi‑modal processing frameworks.

Base pay range: $144,000 - $216,000. Compensation may include bonuses, equity, and a comprehensive benefits package including medical, dental, vision, family planning benefits, life & disability insurance, and unlimited vacation.

Flo Qast, Inc. is committed to operating fair and unbiased recruitment procedures allowing all applicants an equal opportunity for employment, free from discrimination on the basis of religion, race, sex, age, sexual orientation, disability, color, ethnic or national origin, or any other classification as may be protected by applicable law. We aim to recruit the right people for the jobs we have to offer and to assess applications on the basis of relevant skills, education, and experience.

We welcome people of different backgrounds, experiences, abilities, and perspectives. We are an equal opportunity employer and strive to provide a professional and welcoming workplace for all employees.