Senior Specialist, Digital Innovation - Full Stack Developer

The Full Stack Developer will support the Celanese Digitalization effort. The ideal candidate should be proficient with for managing the interchange of data between the server and the users. The focus will be on developing user interface components and implementing them following well-known React.js workflows as well as the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. The candidate will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities

• Node.JS, React, Next, SQL Database, Azure Cloud experience
• Translating designs and wireframes into high quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Building reusable components and front-end libraries for future use
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React and its core principles
• Experience with popular React workflows (such as Flux or Redux)
• Knowledge of isomorphic React is a plus
• Developing new user-facing features using React
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• Experience with benchmarking and optimization
• Design and implementation of low-latency, high-availability, and performant applications
• Integration of user-facing elements developed by front-end developers with server-side logic
• Implementation of security and data protection
• Integration of data storage solutions (Azure SQL, Snowflake, etc.)

Qualifications

• Bachelor’s degree in Computer Science or another quantitative field
• Minimum 5 years of hands-on experience designing, developing and implementing Node.JS applications and solutions
• Basic understanding of front-end technologies, such as JavaScript, React JS and Next JS
• Understanding of Azure Cloud FunctionApps is a must
• Understanding of accessibility and security compliance
• Knowledge of user authentication and authorization between multiple systems, servers, and environments
• Understanding of fundamental design principles behind a scalable application
• Familiarity with event-driven programming in Python
• Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform
• Able to create database schemas that represent and support business processes
• Strong unit test and debugging skills
• Proficient knowledge in CI/CD 
• Understanding of code versioning tools such as Azure DevOps

Desirable Qualifications

• Knowledge of writing APIs and experience with several languages like JavaScript, etc.
• Experience using web services like Azure ML, ML Studio etc.
• ElasticSearch experience is a plus
• Experience with a B2B business especially in specialty chemicals, oil & gas or manufacturing.