> Markdown version of [/jobs/ext/2242713-mean-stack-developer-sr-level](https://www.wearedevelopers.com/jobs/ext/2242713-mean-stack-developer-sr-level). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # MEAN Stack Developer - Sr Level - **Company:** A3 Technology, Inc. - **Location:** Egg Harbor, WI, United States - **Experience:** Expert - **Salary:** $50,000.0 - $175,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Applications Architecture, Application Lifecycle Management, Software Applications, Unit Testing, Cascading Style Sheets (CSS), Databases, Data Security, Relational Databases, Linux, Revision Control Systems, Human-Computer Interaction, IBM Notes, JQuery, Microsoft Office, Microsoft Visio, MongoDB, MySQL, Node.Js, NoSQL, OpenShift, Oracle (Applications), Software Engineering, System Software, Systems Integration, Extensible Markup Language (XML), ReactJS, Mean Stack, Containerization, AngularJS, Non-relational Database, Code Restructuring, Programming Languages - **Published:** August 26, 2026 - **Apply:** https://www.careerjet.com/job/us14432edcb57f35ea9e7ffd029f2e0790/eaa ## About the Role * Expertise in MEAN-stack (MongoDB, Express, AngularJS and Node.Js) * Development in a Linux based environment. * Extensive knowledge of JavaScript frameworks, both Server Side and Client Side (e.g. Angular, Node.js, React). * Proficiency with multiple Front-end languages/frameworks (e.g. HTML/CSS, XML, JQuery). * Proficiency with multiple Back-end languages/frameworks (e.g. Express). * Proficiency with databases (RDBMS and NoSQL) (e.g. Oracle, MySQL, Mongo). * Proficiency using versioning tools. * RedHat OpenShift. Highly Desired Skills: * MEAN-Stack development (Mongo, Express, Angular, Node.js). * Back-end languages (e.g. Java). * Containers and containerized applications. * Red Hat OpenShift. * Experience and understanding of unit testing, release procedures, coding design and documentation protocol as well as change management procedures. * Proficiency using standard desktop applications such as MS Suite & flowcharting tools such as Visio. * Legacy modernization code refactoring. * Application code conversion. * Experience with migration of Lotus Notes applications to MEAN STACK environment is a plus. Education: * HS/GED and twelve (12) years application development experience OR * Bachelor's degree and eight (8) years application development experience. Additionally, US Citizenship or documented proof of eligibility to work in the US is a must. Upon receiving a conditional offer of employment, candidates will undergo a Government investigation and must meet eligibility requirements for Government clearance. Verification of past employment, education and references is also required. It is imperative that candidates be either a US citizen or a current green card holder with the last 3 consecutive years as a resident of the US. ## Description * Application and Development support, support systems for projects, software integration and software conversions for projects'/users' systems. * Duties of this position includes but are not limited to: * Architect, develop, test and package web-based applications. * Build front-end and back-end systems. * Design and maintain relational and non-relational databases. * Develop and maintain system utilities. * Develop applications with a focus on security of data and user interface. * Develop custom procedures, database calls and scripts. * Perform requirements gathering and analysis, design/development, implementation, testing, documenting, training and maintenance plans for application development following the stages of application life cycle. * Create application documentation to include requirement documents, system design documents, user guides and administration guides. * Perform system problem analysis and resolution. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ## Related Articles - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development)