Server Side API Engineer / Senior Server Side API Engineer at American Express (New York, NY)

We’re looking for a Server side API Engineer to work on Mobile application Service Layer that will be used by tens of millions of American Express cardholders around the world. We want someone with strong technical skills and creativity. Should enjoy solving tough problems and working with new technologies. You should not be shy about sharing your ideas, and be obsessive about user experience and beautiful code. You’ll be part of the Mobile Engineering team whose mandate is to develop new products and platforms for American Express customers.  Mobile Engineering’s aim is to build interactive experiences at all touch points of a consumer's journey whether before, at, or after the time of purchase. You’ll be working in a fast-paced environment with the stability of working for a Fortune 100 company. Your primary responsibilities will be to work on a small team of engineers developing mobile products. You should be familiar with modern software development methodologies, and be able to dive deep and rapidly iterate on ideas despite ambiguity. 

Responsibilities:

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• Contribute to the design, architecture, and development of Sever side APIs that are elegant, efficient, secure, highly available, and maintainable
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• Works closely with other developers (within the team and outside the team), and product owners to ensure technical compatibility and user satisfaction
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• Contribute insights into ways to improve our processes and tools
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• Be highly motivated and maintain a positive, “can-do” attitude in a fast moving environment
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• Follow and help cultivate consistent development best practices
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• Collaborates with project manager and other software developers to plan, design, develop, test, and maintain the Server side APIs
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• Provides thought-leadership regarding implementation best practices
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• Assists in estimation and assessment of feasibility of features
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• Foster a collaborative spirit across multiple teams
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Qualifications and Experience:

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• Bachelor’s degree in Computer Science, Computer Engineering, Information Systems Technology or related field.
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• Knowledge of developing trends and emerging standards in mobile apps (RxJava, Kotlin, etc), mobile payments, and wearables
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• Minimum of 1 years of experience in API/Web Service Development and 3 years of experience in Java/J2EE/Web Development
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• Excellent interpersonal and communication skills
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• Familiar with the complete software development life cycle (e.g. requirements, analysis, design, implementation, testing, and documentation) and execution models (e.g. Waterfall, Agile, etc.)
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• Great knowledge of Java design principles, patterns, and best practices
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• Excellent technical knowledge of Java, J2EE, Spring and RESTful API development
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• Thorough understanding of JSON, XML, SOAP, HTTP, web services technologies, and data structure fundamentals, with experience in multi-threaded programming
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• Experience with build (using Gradle, Maven, Ant, etc.) and deployments on application servers (like Websphere, Weblogic)
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• Experience working with testing libraries (like Junit, Mockito)
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• Familiar with Continuous Integration/Deployment (using Jenkins, Maven, JMeter, etc.)
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• Knowledge of the open-source Java ecosystem and the libraries available for common tasks
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• Understanding of code versioning using git, github and gitflow.
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• Understanding of accessibility and security compliance
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• Understanding of fundamental design principles behind a scalable enterprise application
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• Experience in creation and review of software and architecture designs
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• Basic understanding of Web Technologies like Javascript, CSS, and HTML5
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• Experience with Kotlin is a plus
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