Web Developer

Full Time


Team Building Skills Training Health Insurance

Job Details

The Digital Experience organization of MassMutual’s Customer Experience Business Group seeks an exceptional and experienced Web Developer. This is an opportunity to work in a fast paced, innovative, and collaborative environment on exciting technology directives. This position can be located in our Boston, New York City or Springfield offices.


  • HTML5: expertise in cross-browser design and implementations; expertise crafting pages with semantic markup; expertise in DOM manipulation; familiarity with W3C standards
  • JavaScript: expertise building single-page applications or progressive web applications; expertise building applications in one of: React, Vue, Angular, underscore, require; proficiency in ES6; proficiency with web bundlers, such as webpack or parcel; proficiency with package managers; proficiency with templating syntax, like ejs
  • Progressive Web App/Graceful Degradation: experience in implementations across devices, including: desktop, tablet, and mobile browsers
  • Git: expertise with workflow steps, including: branching, merging, rebasing, pull requests; working knowledge of reversion and alternative git flows
  • Docker: experience building images, Dockerfile syntax, secrets, volumes, and port binding; working knowledge of docker-compose
  • Virtualization: experience with virtual machines; one of: Vagrant, VirtualBox, Parallels, VMWare; experience mounting volumes and port binding
  • Agile: experience working in an Agile development environment; experience with an online planning system, such as JIRA, Trello, Pivotal Tracker, etc.
  • Authorized to work in the USA with or without sponsorship
  • Bachelor’s degree is required

Preferred Qualifications

  • Cloud Architecture: understanding of stateless/”12 factor” application principles
  • APIs: experience with RESTful APIs; understanding of API specifications, such as Swagger docs
  • Deployments: experience with “blue/green” (or “red/black”), rolling, or canary deployment strategies
  • Advanced React: experience with higher order components, and composition of components
  • Redux or Flux: experience with application data architecture
  • Webpack: experience customizing webpack configurations for multi target builds.
  • Testing: experience writing unit, integration, integration and load tests; expertise with one of jest, mocha, chai, enzyme, and sinon; proficiency with cross-browser testing tools and/or platforms
  • Code Quality: experience with eslint, csslint
  • Continuous Integration: experience using pipelines to support continuous delivery; understanding of the value stream
  • Documentation: proficiency with technical writing; proficiency with markdown syntax; proficiency writing wiki pages for technical documentation including troubleshooting, tutorials, and reference material


  • Focus on the Customer: Know your customers well; add value with a sense of urgency.
  • Act with Integrity: Be trustworthy, adhere to high ethical standards and adhere to the letter and spirit of applicable laws, rules, regulations and company policies.
  • Value People: Lead people to success; appreciate diverse backgrounds, ideas and experiences.
  • Work Collaboratively: Partner with others to achieve results that leverage the right resources.  Achieve Results: Focus on winning; consistently exceeds expectations, beat the competition.


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