Open Position:
Closed Position:
Senior Frontend Software Engineer

Support the vitality and resilience of communities

This position closed on

General Info

East Bay CA & Austin Preferred, US Remote Friendly
Full Time
Software Engineering
Reports to:
Head of Engineering

General Context

At Underline, we are driven by a singular mission: to ensure the vibrancy of our nation through building intelligent community infrastructure. We work with communities across the United States to design, finance, and construct open-access fiber-optic networks. We believe these networks are the essential foundation for ultra-fast access to information, a competitive market for content and services, job formation and reskilling for workers, distributed healthcare services, new wireless solutions, and resilient modern infrastructure including responsible energy creation.  

We’re looking for a full-time senior frontend engineer to join our East Bay-based Engineering team, Austin, TX, or U.S. remote. 

Our Engineering team responds to the needs of the business, delivering well-designed and strategically aligned technology solutions in network architecture and design, customer acquisition, network service provider connectivity, and operations and support systems.

  • We offer bold solutions to drive positive, sustainable change 
  • We approach our work with humility, integrity, and intellectual rigor
  • We are agile and relentless in pursuit of our mission 
  • We have a mentality of service: to our mission, and to each other
  • We are dedicated to building and sustaining a culture of flourishing
  • We optimize our efforts to create positive-sum for community and capital

Does this sound like you?

  • You are hungry, humble, and curious
  • You have excellent attention to details, enjoy building amazing user interfaces and have excellent problem-solving skills
  • You are an intrinsic self-starter and enjoy taking on new challenges
  • You want to be part of the early stages of a company where everything you build matters
  • You want a highly collaborative environment, comprised of diverse subject matter experts in broadband networking, data center infrastructure, software development, and design
  • You care about building critical intelligent infrastructure to increase community vitality and improve resilience


  • Collaborate with product and design to iterate on the design of user-facing features
  • Develop application features by leveraging open-source frameworks as well as building new technologies in house
  • Build and maintain reusable components across projects
  • Work closely with Backend Engineers to conceptualize new features in backend services
  • Maintain high standards of software development and quality through unit testing, integration testing, continuous integration, and automated deployment


  • 4+ Years of experience as a software engineer
  • Experience with modern web frameworks like Ember, React, Vue, etc. (We use Ember Octane!)
  • Strong experience with test-driven development, continuous integration, and automated testing
  • Experience working with Git and CI/CD toolchains
  • Passion for delivering good UI/UX
  • Able to create clean and maintainable code with modern JavaScript, TypeScript, CSS, and HTML
  • Familiarity with GraphQL APIs
  • Familiarity with TailwindCSS
  • Passion for open source
  • Travel to 4 quarterly off-site company retreats is required

Bonus Characteristics

Hiring Manager

Senior Frontend Software Engineer
Josemar Luedke
Principal Software Engineer

Apply Here

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