At Mastercard, we value and support flexibility as part of our hybrid workplace where every employee can do their best work.

Workplace flexibility

Get access to best-in-class inclusive wellbeing programs and resources to help you be your best self.

Wellbeing benefits

Mastercard offers Recognizing You globally—it’s our peer-to-peer recognition program that enables us to celebrate the big and small wins every day!

Recognizing You

Mastercard

Connecting everyone to priceless possibilities
At Mastercard, we connect and power an inclusive digital economy that benefits everyone, everywhere. As a global technology company in the payments space, we are looking for change makers who are committed to doing well by doing good.&nbsp;
We offer a wide variety of opportunities for passionate individuals who want a growing career with impact. Explore career opportunities with us and discover your next priceless possibility.
Source: <a href="https://careers.mastercard.com/us/en/" target="_self">careers.mastercard.com</a>

Who We Are

Be a force of good
At Mastercard, we’re powering economies and empowering people, building a sustainable economy where everyone prospers.
Our inclusion efforts
We believe in an equitable world, where humanity unites, prosperity is shared and opportunity is open to us all.
Learning and career development
Feed your curiosity through industry-leading content from Mastercard's Learning Academies and open new doors on Unlocked, your opportunity network to make impact and form mentorships.
Source: <a href="https://careers.mastercard.com/us/en/" target="_self">careers.mastercard.com</a>
&nbsp;

Our Values

Our PurposeMastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a&nbsp;sustainable&nbsp;economy where everyone can prosper. We support a wide range of digital payments choices, making transactions&nbsp;secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.Title and Summary<h3 aria-hidden="true"></h3>JavaScript Developer<h3 aria-hidden="true"></h3>Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview: Dynamic Yield by Mastercard is looking for an experienced JavaScript Expert to serve as the team’s JS/Web/Browser expert. You should have a passion for technology and a strong drive to get things done, the right way. If your passion is around client-side frameworks, browsers, and performance, we would be glad to meet you! You will deal with the full cycle of software development, from the conception and brainstorming phase through the research &amp; design, and finally, the implementation and deployment. You will consider software aspects such as performance, accuracy and quality. As a JavaScript Expert, you should be comfortable with both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Role: - Design high-scale client-side architectures and solutions, ensuring they are optimized for performance and compatibility to be seamlessly integrated and run on customers’ websites. - Lead cross browsers rendering process improvements, optimization techniques, and troubleshooting performance issues across different browsers. Oversee the technical design of new features, as well as the maintenance and optimization of existing systems. - Collaborate with development teams and product managers to brainstorm and develop software solutions. - Create comprehensive technical documentation, including detailed guides, system specifications, and troubleshooting manuals, to clearly communicate complex concepts, processes, and system functionalities to both technical and non-technical stakeholders. - Conduct thorough software testing to guarantee optimal efficiency, accuracy, and performance. - Design and optimize powerful client-side APIs to drive superior performance and functionality. - Lead our strategy and projects around measuring our script safety and marginal impact on web pages performance. This includes a large matrix of OS/Browser/Sites/Tools configurations, with many tradeoffs and considerations. All about you: - +5 years of JavaScript and browsers experience. At least a major part of it is in vanilla/core JS in the browser. - In-depth knowledge in Node.js. - Deep and broad knowledge of everything Web. JS, HTTP, Browser internals (optimization, performance, security, features/APIs). - Degree in Computer Science or a related field or relevant experience. - Strong knowledge of multiple front-end languages and libraries (e.g. JavaScript, HTML/CSS) and client-side frameworks such as React, Angular, Vue. - Strong understanding of cross-browser compatibility challenges and effective strategies for addressing them. - Held a large-scale production environment with real customers and users. - Knowledge of modern web standards and best practices for accessibility and usability. - Experience with front-end build tools like Grunt, GitHub, and CI/CD pipelines. - Experience with public cloud environments (AWS / GCP / Azure) and Linux-based containers/servers. - Experience with SQL/NoSQL databases (such as MySQL and Redis) is a plus. - Fluent in written and spoken English.<h3 aria-hidden="true"></h3><h3 aria-hidden="true"></h3>Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:<ul><li>Abide by Mastercard’s security policies and practices;</li><li>Ensure the confidentiality and integrity of the information being accessed;</li><li>Report any suspected information security violation or breach, and</li><li>Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.</li></ul>

This job is for a JavaScript Developer at Mastercard, where you&#x27;ll craft innovative web solutions and optimize performance. You might like this job because you’ll collaborate on cutting-edge technology while shaping a secure, digital economy globally!

Our PurposeMastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest p...

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