JavaScript Engineer

Full-time
Senior

About the job

This position is needed to build and deliver Voice functionality to our customers through the JavaScript SDK. Programmable Voice is one of Twilio’s foundational channels which empowers our customers and internal product team to build delightful solutions.

The features you deliver will be used by thousands of customers at scale, often as their business’ lifeline. Use cases range from contact centers to healthcare services, from warehouse staff to client advisors.

Responsibilities

In this role, you’ll:

  • Use your skills and creativity to solve problems and build functionality into Twilio’s Voice JavaScript SDK
    • Customers use the SDK on major desktop and mobile browsers – e.g. Chrome, Safari and Firefox
  • Drive the design, development and shipping of significant new features with predictable velocity
  • Work closely with a talented team of cross-functional engineers, designers and product managers.
  • Continuously adapt to the evolving JavaScript ecosystem to maximize engineering efficiency
    • CI/CD pipeline
    • Enhance automated tests
  • Own Twilio’s customer’s developer experience
    • Monitor and triage customer issues and Git repo issues
    • Enhance Twilio Voice reference apps

Qualifications: 

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!

Required:

  • JavaScript professional with extensive experience in building cross-browser JavaScript applications
    • Extensive experience with Typescript
    • Experience with MVC (Angular, Vue.js, React)
    • Experience with backend JS server – e.g. Node.js, express
  • 5+ years of software development experience
  • Extensive experience with
    • Code repositories, version control (Git preferable)
    • REST APIs, WebSockets
  • Experience with
    • Contributing to and creating JavaScript libraries
    • Building JS applications from scratch
    • Modern JS ecosystem – e.g. Webpack, Babel, Browserify
    • Building open source software
  • Champion of automated build and test pipelines and test-driven development – e.g. Mocha, Karma, Jest
    • Maintained high level of code coverage
  • Strong written communication: proven track record of delivering customer facing documentation

Desired:

  • Knowledgable or interested in WebRTC or comparable media engine
  • Experience with automated test tools – e.g. Selenium

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