
Senior Software Engineer, Frontend (Agentic AI)
Sift Stack, Inc.4 months ago
Marina del Rey, CA, USASenior / Staff+
H1B sponsor
Base Salary
$160k - $200k/yr
Responsibilities
- Engage with customers to understand their review workflows and translate them into agent capabilities.
- Develop and enhance the frontend surfaces for Sift Agents.
- Design interaction patterns for agentic UX, including streaming responses and long-running tasks.
- Render agent findings alongside telemetry data while maintaining performance.
- Utilize advanced browser technologies to optimize data handling.
- Contribute to the component library for consistent UI patterns.
- Collaborate with backend engineers on API design for agent sessions.
Requirements
- 8+ years of professional software engineering experience.
- Experience in building complex, high-performance web applications using React, NextJS, TypeScript, or similar technologies.
- Strong attention to detail in user interface design and performance.
- Curiosity about new AI products and features.
- Willingness to take ownership of product areas and engage with customers.
Benefits
- Equity and benefits package.
- Flexible work arrangements with in-person collaboration twice a week.
- Opportunity to work in a dynamic startup environment with a focus on innovation.
Tech Stack
Apache BeamApache FlinkApache KafkaAWSAzureD3.jsDockerGitHub ActionsGoGoogle Cloud PlatformInfluxDBKubernetesNext.jsReactReduxTailwind CSSTerraformTypeScript
Categories
About Sift Stack, Inc.
Sift Stack builds a data infrastructure and telemetry analysis platform for hardware engineering teams in aerospace, defense, autonomy, and energy. Its software ingests, stores, and analyzes high-frequency machine data to automate anomaly detection, accelerate testing, and support operations for rockets, satellites, autonomous vehicles, and other mission-critical systems. Founded in 2022 and privately held, Sift is headquartered in El Segundo, California, and was started by former SpaceX engineers.