.NET developer

Sr. DOT NET DEVELOPERThe NYC DOT IT Project Management Office specializes in developing multiple large scale, workflow software applications that improve the efficiency and efficacy of the NYC DOT business teams that perform operations such as permitting, inspections, roadway repair, bridge maintenance and street sign management. Some examples of projects that the IT PMO has recently initiated are: an application that allows restaurants to apply for the new outdoor dining license program, and allows DOT staff to review, approve, and deny the outdoor dining license requests; an application that allows the roadway repair team to track the bike lane installation and resurfacing work they do; an application to track the work required to perform installation of pavement markings, and renewal of pavement markings that are fading; a workflow and asset management system used to manage the installation and replacement of signs on the streets of New York City, and to document the current and historical inventory of signs by location; and a workflow system that is used to manage the preventative and unplanned New York City bridge and infrastructure maintenance. The selected Lead Technical Developer will assist the IT PMO with implementing projects similar to the applications previously mentioned above.DOT seeks an experienced consultant that can: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/MVC5/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 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.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 issuesLead technical teams through SDLC phases of analysis, design, development, unit/integration/performance testing and implementation as per specifications and system design.Develop/code application modules based on prototypes and design specifications using standards and coding principles and patterns.Document, publish and adhere to coding standards and practices.Review requirement specifications and business process artifacts for proposed solution implementationsWork closely with business analysts, subject matter experts and development teams in design, development, testing, implementation, and support of application projects.Maintain effective communications with business analysts and clients to identify needs and evaluate alternative business solutions with project management.Work closely with architects, senior developers, business analysts and development teams for design, development, testing, implementation, and support of application projects.Minimum of 11/12 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.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. AWS Certification or Azure Cloud Certification8 years of experience in object-oriented design, development, testing and deployment in a web/client-server environment. 6-7 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, Microservices, jQuery, Entity Framework, LINQ, Visual Studio 2017/2019. 6+ 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 Map box 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 analytical, decision-making, and problem-solving skills. Good 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.