.Net Front End React Developer - NYC DOT

.Net Front End React Developer
NYC Department of Transportation
Location : New York City, NY (On-site)
Duration : 24-month contract position.
Visa : USC and GC only


Key Responsibilities:
Front-End React Developer will be responsible to design, develop, and deploy secure, modern, web-based applications to support the lifecycle management of permits, licenses, and public infrastructure assets across NYC roadways, sidewalks, highways, and bridges. The candidate will build accessible client-facing portals and integrated back-office systems that enable application intake, fee processing, review and approval workflows, inspection scheduling, document exchange, and bi-directional communication between DOT staff and external applicants. The candidate will integrate GIS-based mapping features, implement functionality to minimize construction conflicts across agencies, and develop asset management modules to track inspections, assign crews, and manage maintenance activities. All systems will be developed in compliance with OTI cybersecurity policies and accessibility standards.

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.

• 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.

• 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.