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Senior Front-End Engineer

Top enterprises and brands rely on Braze (formerly Appboy) to deliver personalized messaging experiences that span across channels, platforms, and devices. Each month, tens of billions of messages associated with over a billion active users are managed through our technology. We’re solving the hard problem of humanizing brands - ensuring the world’s best brands can interface with hundreds of millions of users in a way that is highly personalized.


We're looking for a Senior Front-End Engineer to help us extend and improve the Braze Dashboard, a single page web app that enables the world's best brands to coordinate billions of personalized messages per month. Teams around the world use this dashboard every day and depend on it to do their jobs.

As a Senior Front-End Engineer at Braze you will encounter a variety of projects and kinds of work, including:

  • Designing foundational front-end infrastructure and libraries that the rest of the product depends on

  • Building complex user interfaces for composing messages, analyzing data, and orchestrating user journeys

  • Extending, optimizing, and future-proofing all parts of our front-end stack


  • 5+ years of relevant experience with a strong track record of success

  • Are a master at working in modern Javascript and frameworks (e.g. ES6, TypeScript, React, Vue, Angular)

  • Have a user-centric attitude and care deeply about UX

  • Pride yourself on writing elegant, maintainable code

  • Are comfortable working in a large front-end codebase with many stakeholders


Tech startup vibe including free daily lunches, snacks, and group events. Inclusive and diverse culture. Complete support from your teammates across all departments and a real “get it done” attitude for our customers. An opportunity to join a market leading company and have an impact.

  • Excellent medical insurance and life assurance coverage for you and your dependents

  • Matching 401K

  • Tuition reimbursement program

  • Daily lunches, snacks, and beverages

  • Collaborative, transparent, collegial, and fun loving office culture

  • Flexible time off policy to balance your work and life in the way that suits you best

In addition, this position is exempt under the provisions of the Fair Labor Standards Act.


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Sr Software Engineer/Front-end(JavaScript,SPA) REMOTE

We have several front-end Software Engineers opportunities, mid to senior level with T-Mobile’s Home +Entertainment (H+E) team in Boston. In this role, you will have the opportunity to work REMOTE, but you must be located in the greater Boston area or Denver area! You will have an enormous opportunity to impact the customer experience, design, architecture, and implementation of a cutting edge mobile product used every day, by people you know. We are looking for passionate, hardworking software engineers who have experience building innovative, mobile applications that customers love. We operate in a fast-paced environment using agile methodology. We encourage innovation and expect developers to take a high level of ownership throughout the software life cycle.

The H+E Division of T-Mobile is the next phase in T-Mobile’s Un-carrier mobile video strategy. T-Mobile acquired TV technology innovator Layer3 TV which is a next generation cable provider spearheading a new era of home media, combining the best of television, social, and digital life. Together they will be launching a disruptive new TV service in 2018 and We are doing to TV what we did to wireless: changing it for good!

Responsibilities include, but not limited:

  • Working with Typescript and other web technologies to deliver a performant, scalable, and responsive platform.

  • Building features and plugins that need to function on embedded, mobile, and any number of other devices.

  • Building web applications that need to be integrated seamlessly into both the in-home and on-the-go experience.

  • Ability to define T-Mobile specific requirements and work effectively with other organizations and peer engineering teams on developing, testing, implementing and supporting these requirements for existing and upcoming products

  • Proficient understanding of code versioning tools, such as Git.

  • Collaborate with other team members and stakeholders.

  • Facilitate good technical designs and solutions based on modern software development patterns and practices.

  • Write maintainable code, working in a professional software engineering environment (source control, shortened release cycles, continuous integration and deployment, etc.). Cowboy coders need not apply.

  • Work with device/network vendors on issues, log collection, analysis and troubleshooting.

  • Support the Device Design, Network Design, Network Performance, Network Validation and Marketing teams for new feature/product launches.

  • Support feasibility/analysis for validation of new technologies, products, features, and services. Work with device design as well as network design to formulate development strategies.

    Must have the following skills, abilities and knowledge:

  • Professional experience building front-end user experiences (5+ years)

  • Professional experience with any of the following JavaScript frameworks: Aurelia, VueJS, React, Angular, Ember

  • Technical expertise with automated test and build systems such as Karma, Mocha, Jasmine, Selenium and Webpack

  • SPA - Single Page Application (3+ years)

  • Solid understanding of HTML/CSS and W3C standards.

  • Solid understanding of the JavaScript and Node ecosystems.

  • Solid understanding of RESTful web services and networking.

  • Solid understanding of Typescript and static type checking methodologies.

  • Experience with building responsive application interfaces.

  • Knowledgeable about the latest ECMAScript JavaScript standards and features including ES7 and ESNext.

  • Knowledgeable about build and tooling systems like Webpack and Parcel

  • Able to write maintainable and functionally tested modules.

  • Proficient in database storage mechanics and efficient data retrieval.

  • Educated in browser and painting performance bottlenecks.

  • Experience in communicating with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.

  • Demonstrated passion for user experience design and improving usability.

  • Ability to manage time wisely across projects and competing priorities, meet agreed upon deadlines, and be accountable for work.

  • Experience in working with a cross-functional team or large-scale software development life cycle, including waterfall and agile methodologies.

  • Welcome change and complexity. Learn quickly and adapt fast. We are looking for folks to lead the charge, not just keep up with it.

  • You love learning and mentoring others.


  • 5+ years of experience building web based user interfaces.

  • Bachelors of Science degree or higher in Computer Science or Computer Engineering.

  • Masters of Science a plus

  • Work REMOTE, but must be willing to relocate to the greater Boston or Denver, CO

Please take a few minutes to apply using our ATS.