Seven AI
Senior Frontend Engineer
Boston, MA · Senior
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About the role
- Security teams won't trust an AI agent's call if they can't see how it got there, and most interfaces aren't built to make that reasoning visible.
- A core part of the job is making AI decisions explainable: you'll help users understand how the system reached a conclusion, not just what it output.
- A core part of the job is making AI decisions explainable:
Responsibilities
- Architect and build performant web interfaces for our AI-native cloud platform.
- Work with product, design, and backend teams to turn complex cybersecurity use cases into intuitive, user-centered experiences.
- Optimize performance across browsers and devices, and ensure accessibility and responsiveness.
- Give technical feedback on UX designs and feature requirements.
- 7+ years of professional frontend engineering experience, with a track record of building and scaling production-grade web applications.
- As a senior engineer, you'll shape our frontend architecture, mentor other engineers, and work closely with design and product.
Requirements
- Deep expertise in React (or similar frameworks such as Vue or Angular) and strong proficiency in JavaScript and TypeScript.
- Strong experience with frontend architecture, APIs, and performance optimization.
- Familiarity with cloud-based environments and integrating with backend APIs and services.
- Experience with UI/UX best practices, responsive design, and accessibility standards.
- Ability to make sound technical decisions in a fast-changing environment and communicate trade-offs clearly.
- Bachelor's degree in Computer Science or a related field, or equivalent practical experience.
Nice to have
- 7AI is the foundational AI security company.
- Our platform pairs a federated SIEM with AI agents that detect, investigate, respond, and hunt, plus dedicated threat hunting and threat intelligence, with humans on the loop.
- That's the appeal:
- you'll join at a pivotal stage where your work shapes what 7AI becomes, alongside security veterans who've built this before.
Company info
- Founded in 2024 by Cybereason co-founders Lior Div and Yonatan Striem-Amit, we came out of stealth in February 2025 to take on the non-human work of the SOC.
- Our culture runs on respect, collaboration, and a shared bar for excellence, all pointed at one goal, delivering real outcomes for the customers who trust us to defend them.
This listing is sourced directly from Seven AI's careers page and normalized into a canonical job model.