Senior Developer (Full Stack)

Job Description Job Description Description : Potomac Haven is an award-winning IT and professional services firm with a mission to empower federal agencies through innovative, people-centered solutions. By delivering diverse, multi-talented professionals, we help our clients achieve their goals and fulfill critical missions. Our trusted partners include the Bureau of Industry and Security, DoD Washington Headquarters Services, U.S. Air Force, U.S. Coast Guard, USAID, CFPB, GSA, CDC, and ACF, among others. We are hiring a Senior IT Developer with experience in Full Stack and DevOps to provide technical expertise for software development, deployment, and maintenance. The ideal candidate will have a proven track record of working within the federal sector. Supporting a federal customer as directed and providing technical support and expertise to ensure the efficient development, deployment, and maintenance of software applications. Provisioning development environments to include local, virtual, or cloud-based Write programming scripts to enhance the functionality and / or appearance of the company website and / or correlated web applications as necessary Design, deploy, and maintain deployment scripts and artifact repositories Collaborate with development teams, troubleshoot technical issues, and implement solutions to optimize application performance. Software performance testing, debugging, and error correction Run and monitor software performance tests on new and existing programs to identify and correct errors, isolate areas for improvement, and facilitate general debugging Writing scripts to enhance the functionality and appearance of web applications Administer critical analysis of test results and deliver solutions to problem areas Install / upgrade software products as required Automating routine tasks (e.g., code formatting, testing, linting) Other tasks as assigned in support of operational needs Requirements : Bachelor's degree in an IT-relevant field Preferred Certifications : Certified Software Development Professional, (ISC)² CSSLP - Certified Secure Software Lifecycle Professional, GitHub Actions Certification, AWS Certified Developer, CompTIA Security+ Experience : Minimum of 7 years of similar work experience within the public sector Strong skills in developing applications and backend services using C#, ASP.NET MVC, Web API, JavaScript, jQuery, Node.js, and CSS, Cloud AWS, SQL, GitHub Enterprise Experience in automating tasks using scripted languages such as Bash, PowerShell, or Perl Development and maintenance of web services; experience with MVC, WCF, and Web APIs preferable Experience designing and maintaining user interfaces (UI) with HTML, JavaScript, CSS; experience working with JavaScript libraries such as jQuery, Node.js, Chart.js, Bootstrap, preferably with UI Ajax Experience developing and maintaining data in relational databases; heavy SQL experience with Stored Procedures, Functions, and performance tuning is required Proficiency in building web applications using ASP.NET Core, including experience with MVC (Model-View-Controller) architecture. Experience in developing RESTful APIs using ASP.NET Core Web API Understanding of ASP.NET Core middleware and the ability to implement custom middleware Knowledge of dependency injection principles and practices in ASP.NET Core Familiarity with ASP.NET Core security features, including authentication, authorization, and data protection Proficiency in using Razor syntax for dynamic content generation in views Proficiency in using jQuery for DOM traversal and manipulation Experience with jQuery event handling for creating interactive user interfaces Expertise in making asynchronous HTTP requests using jQuery’s AJAX methods, and in integrating and customizing jQuery plugins for various functionalities Experience in developing responsive web applications using Bootstrap Proficiency in using Bootstrap’s grid system for layout design Knowledge of Bootstrap components (modals, carousels, navbars, etc.) and customization techniques. Ability to customize Bootstrap themes using CSS and SASS Work Location :

Remote work is authorized; however, on-site work may be required at customer facilities in Washington, D.C. Security Requirements : FBI criminal checks and fingerprinting at U.S. Capitol Police headquarters, and a Public Trust Tier 2 clearance level required Company Benefits : Potomac Haven covers 70% of our full-time employees' health insurance premiums (medical, dental, vision) through Anthem BCBS Simple IRA and corporate match Educational, training, and certification assistance Complementary short and long-term disability insurance Paid time off (PTO) and Federal Holidays

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