MULTIPLE POSITIONS AVAILABLE - Employer: AMAZON DEVELOPMENT CENTER U.S., INC.,Offered Position: Front-End Engineer III - Job Location: Boston, Massachusetts. Job Number: AMZ 9765546 Position Responsibilities:Create and modify the front-end experience and maintainability of team tools or applications. Develop and improve large user-facing product features and components that fit seamlessly into the overall product architecture to ensure the creation of a cohesive customer experience. Design and implement production quality web applications that are performant, secure and accessibility compliant. Participate in engineering software design and user experience discussions. Contribute both collaboratively and independently in a rapidly changing environment to support user requirements. Resolve the root cause of complex front-end / UX issues to improve software. Use and apply the appropriate programming paradigms (e.g. object-oriented and/or functional programming) and front-end software design patterns. Conduct code reviews. Mentor junior engineers. Position Requirements:Master's degree or foreign equivalent degree in Computer Science, Engineering, Mathematics, or a related field and one year of experience in the job offered or a related occupation. Employer will accept a Bachelor's degree or foreign equivalent degree in Computer Science, Engineering, Mathematics, or a related field and five years of progressive post-baccalaureate experience in the job offered or a related occupation as equivalent to the Master's degree and one year of experience. Must have one year of experience in the following skill(s): (1) building large-scale web applications; (2) experience with JavaScript frameworks including React, Angular, Vue, or Backbone; (3) experience with responsive web design, media queries, resolution of independent image display, and delivering functionality across devices and platforms; and (4) developing rich applications with JavaScript, HTML, CSS, and integrating with REST APIs. Domestic and international travel up to 25% to perform role responsibilities may be required. Amazon.com is an Equal Opportunity-Affirmative Action Employer Minority / Female / Disability / Veteran / Gender Identity / Sexual Orientation .0 hours / week, 8:00 am-5:00 pm, Salary Range $168,100/year to $227,400/year. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, visit:https://www.aboutamazon.com/workplace/employee-benefits.#0000 Basic Qualifications. Position Requirements:Master's degree or foreign equivalent degree in Computer Science, Engineering, Mathematics, or a related field and one year of experience in the job offered or a related occupation. Employer will accept a Bachelor's degree or foreign equivalent degree in Computer Science, Engineering, Mathematics, or a related field and five years of progressive post-baccalaureate experience in the job offered or a related occupation as equivalent to the Master's degree and one year of experience. Must have one year of experience in the following skill(s): (1) building large-scale web applications; (2) experience with JavaScript frameworks including React, Angular, Vue, or Backbone; (3) experience with responsive web design, media queries, resolution of independent image display, and delivering functionality across devices and platforms; and (4) developing rich applications with JavaScript, HTML, CSS, and integrating with REST APIs. Domestic and international travel up to 25% to perform role responsibilities may be required.#0000 Preferred Qualifications. Please see job description and the position requirements above.