Principal Engineer Digital Innovation

Job Overview 综述

Celanese is a Fortune 500 global chemical innovation company that engineers and manufactures chemicals used in products essential to everyday living. Headquartered in Dallas, TX, we employ over 7,700 dedicated people working between 43 facilities across 18 countries. We are committed to employee growth and creating shareholder value to ensure continued opportunities make a difference. Our company focuses on the safety of its employees, provides competitive compensation (including benefits starting day 1), and emphasizes giving back to the community. For more information about Celanese and our products please visit www.celanese.com.

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 职责

• 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 要求

Qualifications

• Bachelor’s degree in Computer Science or another quantitative field
• Minimum 7 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.
• ElasticSearch experience is a plus
• Experience with a B2B business especially in specialty chemicals, oil & gas or manufacturing.