> Markdown version of [/jobs/ext/3976007-senior-software-engineer-frontend](https://www.wearedevelopers.com/jobs/ext/3976007-senior-software-engineer-frontend). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Software Engineer, Frontend

- **Company:** Sift
- **Location:** Long Beach, CA, United States
- **Experience:** Expert
- **Salary:** $180,000.0 - $230,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Apache HTTP Server, Cascading Style Sheets (CSS), D3.Js, Data Files, Data Visualization, Web Development, Design of User Interfaces, Human-Computer Interaction, Next.js, Scientific Computating, Software Engineering, Technical Data Management Systems, TypeScript, Web Applications, Web Performance Optimization, WebGL, Tailwind, ReactJS, Material UI, Tools for Reporting, Front End Software Development
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-frontend-marina-del-rey-ca--8709f4aa-a753-4211-a49b-506d5df1f025

## About the Role

Software Engineering, User Interface/Experience (UI/UX), Telemetry, Artificial Intelligence (AI), Data Visualization, Data Sets, User Interface/Experience (UI/UX), Application Programming Interface (API), Technical/Engineering Design, Internet Application, * 5+ years of professional experience building web applications and data-driven tools

 * Strong experience building production applications with technologies like React, NextJS, and TypeScript
 * Strong understanding of web performance optimization and browser rendering
 * Experience with modern CSS (Tailwind) and component libraries (Radix UI) for building design systems

Bonus Points:

 * Experience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series data
 * Knowledge of WebAssembly and browser-based computation
 * Background in scientific computing or technical data visualization
 * Experience building tools for technical users (dashboards, data-editing environments)
 * Built and launched side projects with consistent usage traffic