Application Developer Specialist

Job Description

Responsibilities:
• Perform detailed and quality application design, database design, coding, and unit/ integration/ performance testing.
• Develop and integrate complex application modules using .NET 4.8, ASP.NET, .NET Core, C#, n-Tier architecture, SOA, XML/JSON-based web services and application development tools such as Microsoft Visual Studio 2019/2022 and SQL Server Management Studio.
• Implement web-based user interfaces in .NET using Razor/MVC4/MVVM architectural patterns, AJAX, HTML5, CSS and JavaScript (React, Angular or Backbone).
• Develop relational database design, normalization, T-SQL/stored procedures and manage databases in SQL Server 2017/2019 and Azure SQL.
• Build secure web applications with user authentication and role-based access control.
• Institute graphic user interfaces following user experience and accessibility best practices.
• Generate reports using Microsoft SQL Reporting Services (SSRS), ad-hoc reporting, and data migration/transformation using SSIS packages.
• Perform configuration management, continuous integration, and version control utilizing Azure DevOps.
• Implement web services using Windows Communication Foundation (WCF).
• Adhere to Software Development Life Cycle (SDLC) processes. The following methodologies are currently being used for different projects Waterfall, RUP and Agile.
• Create/update design artifacts and deliverables such as use case diagrams, application architecture, class/sequence diagrams and high-level/detailed design documentation.
• Collaborate with business analysts, quality assurance specialists and application developers during the design, development, testing, and implementation of applications.
• Understand high level application architecture/design, network design, performance constraints and security frameworks.
• Participate in and contribute to formal/informal technical reviews and presentations.
• Research, present and/or make recommendations on technical issues.


MANDATORY SKILLS/EXPERIENCE:
Note: candidates who do not have the mandatory skills will not be considered.
Minimum of 5 years' experience with writing application software, data analysis, data access, data structures, data manipulation, databases, programming, testing and implementation, technical and user documentation, software conversions; environments include but are not limited to mainframe, mid-range, personal computers, laptop; available to assist and/or lead in the design of program specifications and the implementation of software solutions.

Preferred Skills/Experience for Consultant Candidates:
• BA/BS Degree or equivalent, in a technology related field or other degree preferred.
• Advanced-level certifications and/or training in application development.
• Microsoft Certified Professional.
• 5 years of total experience in object-oriented design, development, testing and deployment of mission critical business applications, at least 6 of which are in a web/client-server environment.
• 3-5 years of hands-on development experience with projects involving Microsoft.NET and SQL Server technologies for web, web service and desktop application development using C#.NET, ASP.NET, ADO.NET, HTML 5, AJAX, WPF, WCF, MVC, jQuery, Entity Framework, LINQ, Redux, Visual Studio 2017/2019/2022.
• 4+ years of relational database design, normalization, T-SQL, stored procedures, SQL Server 2014/2017/2019, SSIS packages, data modeling tools (ERwin/ERStudio).
• Proficiency in data analysis and ad-hoc reporting using T-SQL, Microsoft SQL Server, and Microsoft Excel.
• Expertise in map-based application development and GIS mapping software, with ESRI ArcGIS Desktop, ArcGIS Online, Open Layers and/or Mapbox preferred.
• Advanced working knowledge of Microsoft Team Foundation Server, Azure DevOps, or a similar application lifecycle management tool.
• Experience in UML/Rational tools or other design tools.
• Strong communication, presentation, and leadership skills.
• Proficient in JavaScript frameworks: React, Backbone, and Angular.
• Proficient in responsive design frameworks, such as Bootstrap.
• Proficient in Wireless/Mobile/Disconnected architecture/applications.
• Experience with online payment implementation / integration.
• Working knowledge in Business Intelligence and Decision Support Systems.
• Prior experience working in federal, state, or local government projects.