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1X

Senior Frontend Engineer

1X is hiring a Senior Frontend Engineer. It pays $175k-$215k a year and Level rates it ; you can apply on 1X.

Level's read on this job

  • Level rates this software engineer role Little AI ●○○○: aI is not part of the work.
  • The listed pay starts close to the typical software engineer posting on Level.
  • Tools and skills the posting cites include frontend, react and typescript.
  • Level classifies it as a senior role.
  • Level lists 98 other open roles at 1X.

AI in this role

Build frontend applications and fleet management web interfaces for controlling humanoid robots.

frontendreacttypescriptweb-applicationsapis

About 1X

We’re building humanoid robots that work in home - doing the chores, handling the tasks, and giving people their time back. Simple, but it’s not.

To do this right, we have to solve robotics, AI, manufacturing - at the same time, at scale, in a form factor that has to be safe enough to live with your family. If you’re inspired by this, you’ll thrive here. We’ve been at this since 2014 and we’re at the point where the hard problems are behind us and the hard work is in front of us.

NEO is our flagship - a home robot designed to move, learn, and operate in the real world alongside real people. We’re not demoing it - we’re shipping it. We’re excited to meet you, if this excites you.

If you’ve spent your career working on problems that matter and want to see them actually reach the world - this is that moment. We’re scaling, we’re hiring with intention, and we need people who want to build something that will genuinely change how humans spend their time - safely creating abundance for all.

About the Team

The Apps team builds software for users to control Neo and the systems that developers use to build their own apps. Mobile and web apps built by this team are used to deploy, monitor, and manage humanoid robots in the real world; provide operational visibility; and give consumers an easy way to use their Neo in their home.

Your Charter

Build customer frontend experiences, starting with the 1X fleet management platform. You will design and develop intuitive, high-performance web applications and work with the backend team to build flexible platform APIs for developer use. Your work will directly impact the reliability, scalability, and operational success of every robot deployed by 1X.

Key Outcomes

  • Design and deliver highly performant frontend applications that provide real-time visibility and control of robots, both individual and fleets.

  • Build intuitive dashboards and customizable workflows that are simple to use.

  • Improve application performance, responsiveness, and usability while maintaining high engineering quality and reliability.

  • Partner closely with Backend, Product, Design, and Core teams to deliver scalable user experiences that support rapidly growing robot deployments.

  • Establish frontend architecture, component libraries, and engineering best practices that enable rapid product development across the platform.

Key Competencies

  • Deep expertise building modern frontend applications with exceptional attention to usability and performance.

  • Strong understanding of frontend architecture, state management, and scalable application design.

  • Ability to simplify complex operational data into intuitive user experiences.

  • Excellent collaboration skills across software engineering, design, and product teams.

  • Comfortable leading technical initiatives and operating independently in a fast-moving startup environment.

Minimum Requirements

  • 6+ years of professional frontend engineering experience developing complex web applications.

  • Bachelor's degree in Computer Science, Software Engineering, or a related technical field.

  • Strong proficiency with TypeScript, React, and modern frontend frameworks.

  • Experience building data-intensive dashboards, operational tooling, or enterprise web applications.

  • Experience integrating REST APIs, GraphQL, or real-time data streams into production applications.

Preferred Skills

  • Experience building fleet management, observability, monitoring, DevOps, cloud infrastructure, or operational tooling.

  • Experience with real-time data visualization using WebSockets, gRPC, or event-driven architectures.

  • Familiarity with robotics platforms, autonomous systems, IoT devices, or industrial automation.

  • Experience building reusable design systems and component libraries, including familiarity with mobile or cross-platform development.

  • Experience with cloud-native environments such as AWS, Kubernetes, or distributed systems.

What does a successful 1X Team Member look like:

Team members at 1X who thrive here are builders. They move fast, own their work completely, and treat time like it’s the one thing you can’t get back - because it is. They say what they mean, finish what they start, and hold themselves to a standard before anyone has to ask. We push each other to be better, and we do it with honesty and respect.

Compensation Range

175,000 – $215,000 + Equity

Benefits

  • Comprehensive medical, dental, and vision coverage

  • Generous paid time off, company holidays, and parental leave

  • 401(k) plan with company match (100% on the first 3% of contributions, 50% on the next 2%)

  • Flexible Spending Accounts (FSA) and Health Savings Accounts (HSA) options

  • Commuter benefits (transit and parking)

  • Short-term and long-term disability, and life insurance

  • Employee Assistance Program (EAP) for mental health, financial, and personal support

  • Onsite snacks and catered lunches

Equal Opportunity Employer

1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, justice system impact, or any other characteristic protected under applicable federal, state, or local law.

How we rate this

Senior Frontend Engineer at 1X rates 20 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.

Classification

Little AI. AI is not part of the work.

  1. ●●●● Builds AI80 to 100
  2. ●●●○ Works on AI60 to 79
  3. ●●○○ Uses AI40 to 59
  4. ●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

FrontendReactTypeScriptWeb ApplicationsAPIs

Also common in software engineer jobs at this level

Pay

This job starts at
$175k
Typical software engineer job
$168k

This posting starts close to the typical software engineer job. See software engineer jobs

Questions you could be asked

  1. Tell me about a project where frontend was part of your work. What did you do?
  2. Tell me about a project where react was part of your work. What did you do?
  3. Tell me about a project where typescript was part of your work. What did you do?
  4. Tell me about a project where web applications was part of your work. What did you do?
  5. Tell me about a project where apis was part of your work. What did you do?

Adapt your resume

  • List these exact terms on your resume: Frontend, React, TypeScript, Web Applications, and APIs. An applicant tracking system matches the wording, not the idea.
  • Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.

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