Senior .NET Developer

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    "requisitionDescription": "<div><div><div><p>Science Systems and Applications, Inc. (SSAI) is seeking experienced Senior .NET Developers to support mission-critical application development for a public sector client. Multiple openings may be available. The selected candidates will work on modern web-based and cloud-based systems, support complex application modernization efforts, and collaborate with technical teams, project leadership, and business sponsors to deliver high-quality software solutions.</p><ul><li style=\"font-family: arial, sans-serif; font-size: 14px;\"><span style=\"color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;\" data-pasted=\"true\"><u>This position is expected to be performed on-site in Los Angeles, CA.</u></span></li><li style=\"font-family: arial, sans-serif; font-weight: bold; font-size: 14px;\"><span style=\"color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;\" data-pasted=\"true\"><u>Candidates must be able to successfully complete fingerprint and criminal background check clearance before working.</u></span></li><li style=\"font-family: arial, sans-serif; font-weight: bold; font-size: 14px;\"><span style=\"color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;\" data-pasted=\"true\"><u>Position is contingent upon customer approval and work order requirements.</u></span></li><li style=\"font-family: arial, sans-serif; font-weight: bold; font-size: 14px;\"><span style=\"color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;\" data-pasted=\"true\"><u>Estimated Duration: 6 months, with a possible 6-month extension</u></span></li></ul><p style=\"margin-left:0in;\">This role is ideal for a senior developer with strong hands-on experience in .NET, C#, ASP.NET/MVC, API services, front-end development, Angular, Entity Framework, SQL Server, and enterprise application support. Candidates should be comfortable working in a fast-paced environment, leading technical efforts, troubleshooting issues across multiple environments, and providing clear communication to both technical and business audiences.</p><p style=\"margin-left:0in;\"><strong>Key Responsibilities:</strong></p><div style=\"margin-left:0in;\"><ul style=\"list-style-type: disc;margin-left: -0.25in;\"><li style=\"margin-left:0in;\">Design, develop, enhance, and support complex .NET web applications, API services, functions, workflows, and database-driven solutions.</li><li style=\"margin-left:0in;\">Coordinate application development activities, including requirements, schedules, troubleshooting, development support, and production support across multiple environments and platforms.</li><li style=\"margin-left:0in;\">Lead system design and development using modern development methodologies, tools, and standards.</li><li style=\"margin-left:0in;\">Perform unit testing, integration testing, load testing, and validation of complex websites, system integrations, and application interfaces.</li><li style=\"margin-left:0in;\">Support the design and implementation of database architecture, data loads, data quality assurance, and stored procedure development.</li><li style=\"margin-left:0in;\">Gather and analyze customer software requirements and recommend practical software solutions and technologies that address business needs.</li><li style=\"margin-left:0in;\">Establish and follow consistent development standards, practices, and procedures that support high-quality application delivery.</li><li style=\"margin-left:0in;\">Work with project managers, leadership, technical teams, and business users to estimate work, communicate project status, and support change revisions.</li><li style=\"margin-left:0in;\">Participate in application design strategy sessions, code reviews, and technical planning meetings.</li><li style=\"margin-left:0in;\">Mentor other team members as needed and support knowledge transfer across the development team.</li><li style=\"margin-left:0in;\">Create and maintain technical documentation, user guides, and support materials for system applications and end users.</li></ul><p><strong>Required Qualifications:</strong></p></div><div style=\"margin-left:0in;\"><ul style=\"list-style-type: disc;margin-left: -0.25in;\"><li style=\"margin-left:0in;\">5+ years of experience building complex .NET web applications, API services, functions, workflows, and SQL-based solutions.</li><li style=\"margin-left:0in;\">5+ years of ASP.NET/MVC development experience.</li><li style=\"margin-left:0in;\">5+ years of C# programming experience.</li><li style=\"margin-left:0in;\">5+ years of REST/SOAP API and web services design experience.</li><li style=\"margin-left:0in;\">5+ years of .NET Core development experience.</li><li style=\"margin-left:0in;\">3+ years of modern/mobile responsive front-end development using JavaScript, jQuery, Bootstrap, HTML5, and CSS3.</li><li style=\"margin-left:0in;\">3+ years of Angular development experience.</li><li style=\"margin-left:0in;\">3+ years of Entity Framework and SQL Server 2012 or higher database experience.</li><li style=\"margin-left:0in;\">Experience using GitHub Copilot or another AI-assisted development tool.</li><li style=\"margin-left:0in;\">Strong analytical, evaluation, troubleshooting, and problem-resolution skills.</li><li style=\"margin-left:0in;\">Strong verbal and written communication skills, including the ability to communicate with developers, IT teams, project leadership, and business sponsors.</li><li style=\"margin-left:0in;\">Ability to provide demos, presentations, documentation, and knowledge transfer to technical and non-technical audiences.</li><li style=\"margin-left:0in;\">BS/BA degree in Computer Science, Information Technology, or a related field. Additional qualifying experience may be substituted for the degree requirement on a year-for-year basis.</li></ul><p><strong>Desired Qualifications:</strong></p></div><div style=\"margin-left:0in;\"><ul style=\"list-style-type: disc;margin-left: -0.25in;\"><li style=\"margin-left:0in;\">.NET Framework 4.5 or above, WebForms, Razor, Ajax, multithreading, and enterprise web application development.</li><li style=\"margin-left:0in;\">T-SQL, PL/SQL, stored procedures, database design, and database performance support.</li><li style=\"margin-left:0in;\">Oracle 11g or higher and PL/SQL programming.</li><li style=\"margin-left:0in;\">PostgreSQL version 9 or higher.</li><li style=\"margin-left:0in;\">TypeScript and Node.js scripting or development experience.</li><li style=\"margin-left:0in;\">SQL Server Reporting Services (SSRS) and SQL Server Integration Services (SSIS).</li><li style=\"margin-left:0in;\">Microservices architecture experience.</li><li style=\"margin-left:0in;\">Cloud hosting, deployment, or development experience with Azure or AWS.</li></ul></div><div style=\"margin-left:0in;\"><p><br></p></div><p data-pasted=\"true\" style='box-sizing: border-box; outline: none; --tw-shadow: 0 0 #0000; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59,130,246,.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; line-height: 1.25; margin-top: 0px; margin-bottom: 1rem; color: rgb(38, 35, 33); font-family: Circular, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Fira Sans\", \"Droid Sans\", \"Helvetica Neue\", sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; background-color: rgb(255, 255, 255);'><span data-olk-copy-source=\"MessageBody\" data-pasted=\"true\" style=\"box-sizing: border-box; outline: none; --tw-shadow: 0 0 #0000; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59,130,246,.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000;\">EEO/AA Veterans and Individuals with Disabilities</span></p><p style=\"box-sizing: border-box; outline: none; --tw-shadow: 0 0 #0000; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59,130,246,.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; line-height: normal; margin: 0in 0in 10pt; color: rgb(38, 35, 33); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 15px; font-family: Calibri, sans-serif; background: white;\"><strong style=\"box-sizing: border-box; outline: none; --tw-shadow: 0 0 #0000; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59,130,246,.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; font-weight: 700;\"><em style=\"box-sizing: border-box; outline: none; --tw-shadow: 0 0 #0000; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59,130,246,.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000;\"><span style='box-sizing: border-box; outline: none; --tw-shadow: 0 0 #0000; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59,130,246,.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; font-size: 11px; font-family: \"Segoe UI\", sans-serif; color: black;'>Physical Requirements:</span></em></strong><em style=\"box-sizing: border-box; outline: none; --tw-shadow: 0 0 #0000; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59,130,246,.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000;\"><span style='box-sizing: border-box; outline: none; --tw-shadow: 0 0 #0000; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59,130,246,.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; font-size: 11px; font-family: \"Segoe UI\", sans-serif; color: black;'> While performing the duties of this job, the employee is regularly required to stand, walk, and use hands to touch, handle or feel objects, tools or controls. The employee frequently is required to talk and hear and occasionally required to reach with hands and arms and stoop, kneel, crouch, or crawl. Must regularly lift and/or move up to 10 pounds, and occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, peripheral vision, depth perception and the ability to adjust focus.</span></em></p></div></div></div>\n",
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