Frontend Engineer

Sirius

$120K — $150K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 1+ years of professional experience in frontend development for production-level applications.
  • Advanced proficiency in JavaScript/TypeScript and modern frontend frameworks.
  • Experience integrating frontend applications with backend APIs and third-party platforms.
  • Strong understanding of UI/UX principles, performance optimization, and frontend architecture.
  • Strong analytical skills with the ability to independently drive projects to completion.
  • Must be based in San Francisco or able to relocate; no visa sponsorship available.

Responsibilities

  • Architect and build robust, scalable, and user-friendly interfaces for new product features.
  • Collaborate with backend engineering, product, and design teams to deliver integrated solutions.
  • Provide technical leadership through mentoring and code reviews.
  • Drive adoption of modern frontend technologies and methodologies.
  • Identify and resolve complex technical challenges regarding user experience and security.
  • Contribute to a culture of continuous improvement and operational excellence.

Benefits

  • Flexible healthcare options tailored to individual and family needs.
  • Ownership of projects and contributions to the product.
  • Daily lunch, coffee, tea, and snacks provided.
  • Generous time-off policy to ensure work-life balance.
  • Engagement in company events to foster team connection.
Full Job Description
What You'll Do:

As a Frontend Engineer, you will play a key role in designing, developing, and maintaining the user-facing components of our core products. Your responsibilities will include:
  • Architecting and building robust, scalable, and user-friendly interfaces to support new product features and evolving business needs.
  • Collaborating effectively with backend engineering, product, and design teams to deliver high-quality integrated solutions.
  • Providing technical leadership by sharing best practices, mentoring team members, and actively participating in code reviews.
  • Driving the adoption of modern frontend technologies, frameworks, and methodologies to ensure product quality and maintainability.
  • Identifying and resolving complex technical challenges related to user experience, performance, and security.
  • Contributing to a culture of continuous improvement and operational excellence within the engineering team.


What You'll Bring:

  • +1 year of professional experience in frontend development for production-level applications.
  • Advanced proficiency in JavaScript/TypeScript and modern frontend frameworks
  • Demonstrated experience integrating frontend applications with backend APIs and third-party platforms.
  • Solid understanding of UI/UX principles, performance optimization, and frontend architecture.
  • Strong analytical skills and the ability to independently drive projects to completion.
  • Based in San Francisco or able to be here full-time. We're not offering visa sponsorship at this time.


Our Values:

Stewardship: We build for the long term. Every customer, partner, and teammate gets that same commitment from day one.

Trust: Earned through the integrity of our technology, the consistency of our commitments, and the honesty of our communication.

Customer Obsession: We win when our customers win. Every choice and conversation orbits around what makes them stronger.

Excellence: The same standard for the product we ship, the service we give, and the team we build. The bar is the bar.

Family: A constellation, not a single star. We back each other on hard days, celebrate the great ones, and protect the time teammates need to be parents, partners, and humans first.

Life at Sirius:

In-person, in San Francisco: We work side by side, on-site in San Francisco. Proximity helps us move faster, solve harder problems, and build something we're proud of together. Note: we're not able to offer visa sponsorship at this time.

Flexible healthcare: We offer flexible spending to direct your benefits toward what matters most to you and your family.

Own what you build: We're building something real, and we want you to own it.

Lunch, coffee & snacks: Daily lunch, plus coffee, tea, and snacks to keep you going.

Time off that's actually off: Take the time you need to show up as your best self. We mean it.

Company Events: Take the time you need to show up as your best self. We mean it.

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