# Senior Software Engineer, Frontend

**Company:** [Siftstack](https://hotfix.jobs/companies/siftstack)
**Location:** Marina Del Rey, CA, San Francisco, CA
**Role:** Frontend Engineering
**Salary:** $180k – $230k/yr
**Experience:** 5+ years
**Skills:** React, Next.js, TypeScript, Tailwind, Radix Ui, Webgl, D3.Js, Apache Echarts, Webassembly, Redux, Go, Kafka, AWS, Docker, Kubernetes
**Posted:** 2026-08-04

> Build high-performance frontend interfaces and reusable component libraries for exploring complex, real-time telemetry data. The role requires 5+ years of web application experience and strong React, NextJS, TypeScript, and performance optimization skills.

## Job Description

## Responsibilities
- Build high-performance data visualization interfaces and reusable component libraries for complex telemetry data.
- Create intuitive user interfaces for data exploration while optimizing for large real-time datasets.
- Collaborate with backend teams on API design and implementation for seamless user experiences.
- Write clean, maintainable code and participate in technical design discussions.

## Requirements
- 5+ years of professional experience building web applications and data-driven tools.
- Strong experience building production applications with React, NextJS, and TypeScript.
- Strong understanding of web performance optimization and browser rendering.
- Experience with modern CSS, including Tailwind, and component libraries such as Radix UI for building design systems.
- U.S. person status required: U.S. citizen, lawful permanent resident, or protected individual such as an asylee or refugee, in compliance with ITAR/EAR regulations.

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

## Technologies
- **Web:** React, TypeScript, Redux, Tailwind, WebAssembly, D3.js, WebGL, Go
- **Data:** Parquet, Flink, Kafka, Redpanda, Beam, DuckDB, Timescale, QuestDB, InfluxDB, Druid
- **Infrastructure:** GitHub Actions, AWS, Azure, Google Cloud, Docker, Kubernetes, Terraform

## Compensation and Benefits
- Salary range: **$180,000–$230,000 per year**.
- Equity and benefits included.

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