Full-Time

Frontend Software Engineer

Posted on 2/19/2026

Atomic Semi

Atomic Semi

51-200 employees

Compact semiconductor fab producing chips

Compensation Overview

$125k - $195k/yr

+ Equity

H1B Sponsorship Available

San Francisco, CA, USA

In Person

Category
Software Engineering (1)
Required Skills
Rust
React.js
TypeScript
Go
REST APIs
Requirements
  • Deep expertise in modern frontend stacks (e.g., React/Typescript) and tooling
  • Proven ability to ship production-quality UIs, evolving prototypes into robust products
  • Experience with state management, real-time data (WebSockets/Subscriptions), and testing
  • Strong programming skills in Rust and Go or Typescript plus a strong desire to learn
  • Experience building non-trivial software projects from scratch (personal, academic, or professional)
Responsibilities
  • Build and maintain the core web app UI for the fab
  • Design operator workflows, dashboards, and controls
  • Develop reusable components and design systems
  • Integrate with APIs and real-time data streams
  • Optimize performance, reliability, and UX
Desired Qualifications
  • Experience with interactive software such as Figma, Blender, CAD tools, KiCad, or scientific computing environments
  • Experience with complex data-heavy or hardware-adjacent UIs (e.g., live telemetry, control panels, visualization/WebGL)
  • Previous experience as founder or early engineer at a startup or in a zero-to-one role

Atomic Semi builds and operates a compact semiconductor fabrication facility to manufacture chips for electronics, automotive, telecom, and more. It uses its own tools and processes to create chips with smaller, more efficient geometries and can offer custom fabrication services to clients. The company distinguishes itself from large fabs by being small, fast, and agile, developing its own manufacturing tools to quickly adapt to new technologies and market needs. Its goal is to provide nimble, efficient chip manufacturing that helps a wide range of tech companies get high-quality chips faster and with flexibility for evolving technology trends.

Company Size

51-200

Company Stage

Seed

Total Funding

$15M

Headquarters

San Francisco, California

Founded

2023

Simplify Jobs

Simplify's Take

What believers are saying

  • 60 engineers across disciplines drive rapid low-cost fab development.
  • Small-scale tools support high-speed prototyping for tech firms.
  • SF-based fab pushes quickly to advanced chip geometries.

What critics are saying

  • ASML's 80% lithography dominance blocks Atomic Semi's tool performance.
  • Zeloof's garage tech fails at scale; zero chips shipped since 2023.
  • TSMC and Samsung billions crush small-fab high-volume viability.

What makes Atomic Semi unique

  • Atomic Semi builds compact fabs for smaller wafers unlike traditional 300mm giants.
  • Founders Sam Zeloof and Jim Keller bring garage fab and 40-year expertise.
  • In-house 3D printers and e-beam writers enable agile tool invention.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Unlimited Paid Time Off

401(k) Retirement Plan

Paid Parental Leave

Commuter Benefits

Wellness Program

Growth & Insights

Headcount

6 month growth

2%

1 year growth

8%

2 year growth

1%
INACTIVE