# Senior Software Engineer - Frontend

**Company:** [Sigma](https://hotfix.jobs/companies/sigma)
**Location:** San Francisco, CA
**Role:** Frontend Engineering
**Salary:** $170k – $240k/yr
**Experience:** 5+ years
**Skills:** React, GraphQL, TypeScript, Node.js, JavaScript, Frontend Development, Data Visualization, Computer Science Fundamentals, UX Design, Performance Optimization
**Posted:** 2026-06-10

> Develop responsive user experiences and novel data visualizations using React, GraphQL, TypeScript, and Node.js. Own product features from design to launch while collaborating with product and backend teams.

## Job Description

## What You Will Be Doing

- Develop elegant and responsive user experiences using the latest front-end technologies
- Own substantial pieces of the product, from design to launch
- Work with product, UX design, and backend development teams to develop new features and technologies that simplify the user experience for non-technical users
- Create novel visualizations for structured and unstructured data
- Develop new techniques for improving the performance and interactivity of the application
- Use modern frontend frameworks like React, GraphQL, TypeScript and Node.js

## Qualifications We Need

- 5+ years industry experience building and maintaining high-quality software
- An eye for great design and a passion for building products that provide a great user experience
- Ability to make the right trade-offs between functionality and delivery speed
- Desire to be a great teammate with strong ownership
- Strong sense of craftsmanship and academic curiosity
- Strong computer science fundamentals

## Qualifications We Want

- Experience building software capabilities for analyzing large scale data web applications
- Prior experience working at high growth company solving technical problems

## Compensation & Benefits

- Base salary range: $170k - $240k annually
- Eligible for stock options
- Comprehensive benefits package including equity, generous health benefits, flexible time off, paid bonding time, 401k, commuter and FSA benefits, lunch program, dog friendly office

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**Apply:** https://hotfix.jobs/jobs/0ee045c0-0901-4add-a252-4c1f62f3303c
**Canonical:** https://hotfix.jobs/jobs/0ee045c0-0901-4add-a252-4c1f62f3303c