Senior Software Engineer II, BrazeAI Operator

At Braze, we have found our people. We’re a genuinely approachable, exceptionally kind, and intensely passionate crew. We seek to ignite that passion by setting high standards, championing teamwork, and creating work-life harmony as we collectively navigate rapid growth on a global scale while striving for greater equity and opportunity – inside and outside our organization. To flourish here, you must be prepared to set a high bar for yourself and those around you. There is always a way to contribute: Acting with autonomy, having accountability and being open to new perspectives are essential to our continued success. Our deep curiosity to learn and our eagerness to share diverse passions with others gives us balance and injects a one-of-a-kind vibrancy into our culture. If you are driven to solve exhilarating challenges and have a bias toward action in the face of change, you will be empowered to make a real impact here, with a sharp and passionate team at your back. If Braze sounds like a place where you can thrive, we can’t wait to meet you. WHAT YOU'LL DO Braze’s product is the control center for thousands of the world’s most sophisticated marketing teams. The BrazeAI Operator is a chat assistant embedded in the frontend of the product, and it uses agentic AI to help marketers do their work more efficiently. The team owns the agentic runtime that powers Operator, including tool orchestration, prompt engineering, streaming transport, integrations with LLM providers, integrations with Braze features, and integrations with third-party vendors. As a Senior Engineer on the BrazeAI Operator team, you will build AI-powered product experiences that are reliable, useful, and deeply integrated into the Braze product. You will lead important technical projects, design systems that make agentic behavior safe and observable, and help define what excellent AI assistance looks like for sophisticated marketing teams. In this role you will: Design and build AI-powered product experiences using TypeScript, React, and LLM provider APIs Develop the agentic tool runtime that lets BrazeAI Operator take actions inside the product on behalf of users Build integrations between Operator and core Braze product surfaces, third-party vendors, and AI model providers Improve the reliability, observability, and safety of LLM-backed systems, including streaming responses, error handling, evaluation, and rollout controls Lead projects from ambiguous product or technical goals through implementation, launch, and iteration Collaborate with other engineers through technical design, code review, and clear engineering practices Recent and ongoing work on the team includes: Building the agentic tool runtime for Operator Designing a streaming architecture for real-time AI responses and product notifications Integrating with LLM providers such as Gemini, OpenAI, Anthropic, and AWS Bedrock Integrating Operator with Braze product workflows and third-party systems Building AI-assisted authoring, search, validation, and support experiences inside the product Parts of our stack with which you will work: TypeScript, React Ruby on Rails LLM provider APIs: Gemini, OpenAI, Anthropic, AWS Bedrock Real-time transports: web sockets, server-sent events Cypress, Jest, RSpec WHO YOU ARE Have 5+ years of software engineering experience with a strong track record of technical impact Are strong in modern frontend development and comfortable working across the stack into backend systems Have experience building production systems that integrate with AI/ML models, LLM APIs, or other complex external services Care about reliability, observability, safety, and user trust in AI-powered products Are comfortable working in ambiguous problem spaces where product behavior, technical architecture, and model capabilities all shape the solution Communicate clearly, collaborate well across teams, and help raise the technical bar for those around you Bonus experience with: Prompt engineering, LL