Perficient currently has career opportunities for a Senior React Developer in multiple office locations, or remote if not located in a city with a Perficient office. At Perficient you'll deliver mission-critical technology and business solutions to Fortune 500 companies and some of the most recognized brands on the planet. And you'll do it with cutting-edge technologies, thanks to our close partnerships with the world's biggest vendors. Our network of offices across North America, as well as locations in India and China, will give you the opportunity to spread your wings, too. We're proud to be publicly recognized as a "Top Workplace" year after year. This is due, in no small part, to our entrepreneurial attitude and collaborative spirit that sets us apart and keeps our colleagues impassioned, driven, and fulfilled. Job Overview: As a Senior React Developer you will participate in all aspects of the software development lifecycle which includes estimating, technical design, implementation, documentation, testing, deployment and support of application developed for our clients. As a member working in a team environment you will take direction from solution architects and Leads on development activities. Responsibilities Responsible for development, programming, coding of complex and business critical Information Technology solutions using React, NodeJS and MongoDB. Responsible for documentation of the system, conduct unit tests, peer code reviews and maintenance of internally developed applications, evaluation and performance testing of purchased products Responsible for including IT Controls to protect the confidentiality, integrity, as well as availability of the application and data processed or output by the application. Write code for the most complex system designs and provides consultative guidance on project with extensive size, scope and risk. Write programs that span platforms. Code to and/or create RESTful APIs Develops web-based applications using ReactJS, NodeJS, D3 and other JavaScript based frameworks and libraries. Develops micro services and has extensive experience using GitLab, Jenkins, PM2, Clustering, other tools and technologies for developing a scalable application. Work on integration issues and determines the integration approach. Coordinate with other areas for integration architecture solutions Review code developed by other Developers Write detailed technical specifications for entire systems (made up of several subsystems). Identify integration points. Review technical specs created by other developers. "Scope" time, resources, etc. required to complete programming projects. Seek review from other Developers, Business Analysts, Systems Analysts or Project Managers on estimates. Perform unit testing and debugging. Able to debug most program errors. Support transition of application throughout the Product Development life cycle. Document what must be migrated. Often requires more coordination points for transitioning systems. Document what must be migrated / file properties Demonstrate the ability to adapt and work with team members of various experience level. Qualifications Passionate coder with 5 years of application development experience. At least 2 years of experience and proficiency in developing application using React, NodeJS, ExpressJS, MongoDB and has extensive experience is designing developing micro services. Experience and proficiency in developing application using ReactJS, D3.js and other supporting JavaScript frameworks Good understanding of micro services architecture Working experience using GitLab, Jenkins, PM2 and similar tools and technologies bachelor's degree in an IT related field or equivalent work experience Expert level experience and understanding with unit testing, release procedures, coding design and documentation protocol as well as change management procedures. Experience developing web-based user interface for business applications Integration experience using web services SOAP and/or REST. Strong debugging, problem solving and investigative skills. Ability to assimilate disparate information (log files, error messages etc.) and pursue leads to find root cause problems. Experience with Agile/Scrum methodology. Self-starter who can work independently. Bachelor's Degree in MIS, Computer Science, Math, Engineering or comparable major. Strong consulting and communication skills. Ability to work effectively with various organizations in pursuit of problem solutions.