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Reference # : 19-01054 Title : Node.js Developer ? Frontend
Location : Baltimore, MD
Position Type : Full Time/Contract
Experience Level : Start Date : 10/31/2019  
Basic Qualifications:
Minimum knowledge, skills, abilities needed.
  • Bachelor's degree and 7 years of relative experience, Master's degree and 5 years of relative experience, or 11 years of relative experience in an IT field in lieu of a degree.
  • 3+ years of Javascript front-end/back-end development experience
  • 1+ year of experience in at least two of the following technologies: Node.js, and/or React.js, Express.js, MobX, NGINX, and Redis
  • 1+ year experience using Express, Reactjs, Nodejs with a MySQL and/or PostgreSQL database.
  • 1+ year of experience in Agile/Scrum methodology and tools (e.g. such as Rally, JIRA, or Version One)
  • 2+ years Proficient in With Serialization Types Extensible Markup Language (XML) & JavaScript Object Notation (JSON)
  • Must be US Citizen or US Permanent Resident (Green card holder)
  • Must be able to obtain and maintain a US Public Trust clearance
Preferred Qualificaions: 
Candidates with these skills will be given preferential consideration.
  • Prior Social Security Administration (SSA) experience
  • E xperience with relational database systems including PostgreSQL, Oracle, MySQL, and DB2; and writing complex SQL queries
  • Underscore/Lodash, Async, Bluebird, and Grunt.
  • Strong proficiency working with database systems such as MySQL, MongoDB, Oracle, and/or PostgreSQL.
  • In-depth knowledge of HTTP protocol 
  • Experience building RESTful APIs
  • Experience with React.js frameworks (e.g. MOBX or FLUX)
  • Experience with ECMAScript 6
  • Experience with designing and developing distributed systems
  • Experience with microservices and respective architecture design principles and scalability best practices
  • Experience with Container Technologies Docker - (swarm, compose)
  • Experience with scheduling and orchestration technologies (kubernetes, zookeeper, etcd, consul)
  • Experience in creating API design/technical documentation (Raml, swagger)
  • Experience in using debugging and observability tools for live systems dtrace, strace dtruss
  • Experience in post-mortem analysis of a node process
  • Experience in messaging protocols such as AMQP (Rabbitmq, Kafka, Nats).