Sr. Fullstack Software Engineer, Segment UX

Posted Aug 4

This position is needed to build the next generation of a unified user experience within our Twilio Segment app.

This role is a high-visibility opportunity to help evolve the #1 customer data platform (Segment) into the foundational data and growth arm of Twilio. In the first phase of this evolution, you will lead a high visibility initiative, which is implementing the migration of the Segment product suite off its existing design system and onto Twilio's design system. As implementation work finishes, this role will evolve into focusing on app-wide customer experience projects that ensure we move towards consistency and cohesion across the entirety of our product surface area. You will work side-by-side with other engineers, designers, and product managers, pushing the Segment product forward and delivering a world-class experience for our customers!


In this role, you’ll:

  • Become an expert on the Evergreen and Paste design systems used across our products, identifying gaps between the two systems and driving technical decisions that enable our teams’ transition to Paste
  • Partner closely with Product Designers and Product Managers to plan, lead, and execute the transition from Evergreen to Paste
  • Serve as the go-to expert for Paste to the Segment product engineering team, empowering engineers to adopt and scale Paste across our products, while also maintaining a deep knowledge of the Segment product and advocating for the best customer experience
  • Use your full-stack engineering knowledge to build delightful user experiences, components, patterns, and robust engineering systems. You’ll primarily be working in TypeScript, React, Node, GraphQL, and SQL.
  • Reviewing code, offering improvements to practices and processes to impact the team and larger organization.
  • Put yourself in the customers’ shoes by understanding how they use our products and advocating for solutions that represent their needs


Not all applicants will have skills that match a job description exactly. Twilio values diverse experiences in other industries, and we encourage everyone who meets the required qualifications to apply. While having desired qualifications make for a strong candidate, we encourage applicants with alternative experiences to also apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!


  • 3+ years hands-on experience developing customer-facing full-stack web applications using React, Typescript, Golang, Java, GraphQL or similar technical stacks.
  • 2+ years experience building UI products using frontend frameworks
  • Fluent in HTML / CSS, and can build scalable interfaces that work across a variety of screen-sizes, devices, and data constraints.
  • Exposure to architectural patterns of high-scale web applications (e.g., well-designed APIs, good database schema design, efficient algorithms and query patterns)
  • Familiar with operating services end-to-end, including debugging and testing, release management and operational monitoring
  • You are comfortable working across functions and across teams in order to express and recommend trade offs, drive alignment, and lead projects forward
  • You provide a deep understanding of the complexities involved in writing large single-page applications.
  • Write meaningful tests and understand the value of great logging, proper monitoring, and error tracking while also ensuring the user experience is pixel perfect.


  • You have a strong background in building UX that delights customers
  • You love partnering with design to create impactful customer experiences and not just implementing designs that are tossed over the fence
  • Hands-on experience with Evergreen or Paste design systems preferred


This role will be remote and based in the USA or Canada.

Occasional travel to the San Francisco office or other locations for offsites is anticipated.

What We Offer

There are many benefits to working at Twilio, including, in addition to competitive pay, things like generous time-off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Twilio thinks big. Do you?

We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values.

So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now!

Please note this role is open to candidates outside of Colorado as well. The information below is provided for those hired in Colorado only.

If you are a Colorado applicant:

  • The estimated pay range for this role, based in Colorado, is 132,320.00 - 165,400.00.
  • Additionally, this role is eligible to participate in Twilio's equity plan.

The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location within the state. This role is also eligible to participate in Twilio’s equity plan and for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.

Misc Info For This Position:

Remote Mix: 100% Remote

Position Level: Senior

Job Type: Full-Time

Regional Restrictions: USA Only

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United States


Job Info:
100% Remote

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