Job DescriptionWhat you'll do:Create reusable Java script libraries that can be used for web applications.Upgrade legacy Java script and Node JS based application to latest JS and Node JS libraries including its dependencies.Design and implement new features for device orchestration and API integration at scale for retail checkout application.Decompose vague and poorly defined requirements into well-structured functional and non-functional requirements.Drive independently the requirement clarification, coding and testing of application.You will communicate effectively in writing and verbal to small and wider working groups.Highlight context, problems, and impacts.What you'll bring:A mindset that operational excellence guarantees data at each layer, which includes from design, development, testing and deployment.Very deep understanding of TypeScript, JavaScript, Redux, React5+ years of large-scale project experience using TypeScript, JavaScript, Redux, React, Java, Jest, Git, VS Code, messaging framework,5+ years designing application and practicing SOLID principles in each development5+ years deploying TDD on a large scale of software5+ years developing contract first development5+ years monitoring and addressing production issues at scale.3+ years of developing dashboard and data analysis using Splunk, Grafana and Big QueryAbility to create automated unit and integration testingPreferred:Migrated at least 2 to 3 large scale projects from older TypeScript to latest TypeScript and Node JS frameworkExperience with orchestrating Point of Sale devices such as payment terminals (pin pads) or barcode scanners, or other types of peripheral devicesRequired Skills: NodeBackground Check: YesDrug Screen: YesNotes: Selling points for candidate: Project Verification Info: The information provided below is for Apex Systems AV use only and is not to be distributed publicly, or to any third party. Any distribution of the below information will result in corrective action from Apex Systems Vendor Management.