Senior Application Developer

Engagement Type

Contract

Short Description

PSP requires the services of two Senior Application Developer staff augmentation consultants to assist with CLEAN project.

Complete Description

***This requisition is funded through 6/30/27, so use that date in the RTR. Please note contract end date is dependent on the final schedule and projected needs. Historically, additional funding occurs in 1-year increments.***





The candidate should have all the following requirements:







IT

expertise in development and support of large, complex, mission critical,

enterprise software systems







Provide

a highly stable and supportable environment improving all aspects of the

Enterprise system







Provide

ongoing assessment of the operational state of the network, compute, and

security





operations and drive

continuous improvements







Continuously

evaluate the evolving needs of the Enterprise systems and ensure sufficient





capacity is planned and in

place to meet the needs of the agencies and customers







Lead

the identification and mitigation of risks, troubleshoot, and provide

resolution to





complex end to end scenarios

involving multiple external agencies, products, protocols,





networks and technology

stacks







Develop

and document standards, policies, processes, roles, and responsibilities to

support





the operations







XML

Schema Mastery: Expert-level proficiency in XSD (XML Schema Definition),

including the ability to navigate and extend the NIEM core and individual

justice domain schema







Transformation

Logic: Extensive experience with XSLT 2.0/3.0 and XPath for mapping legacy

GJXDM elements to their corresponding NIEM components







Tooling

Proficiency: Hands-on experience with NIEM-specific tools such as the Altova

XMLSpy for schema management







Maintain

and enhance documentation of architecture, infrastructure, and system trouble





shooting methods







Develop,

measure, and maintain KPI s for the core network, compute, and security





operations and supporting

reports, dashboards, and executive summaries







Unique

combination of expertise in Solution Management applications







Understanding

of OO concepts and design patterns







Good

understanding of TFS, build and deployment process







Problem

solving and critical thinking







Must

be able to work independently







Can

communicate effectively with multiple team members at a given time







Strong

team-building, vendor and customer relations skills

















Required skills and Experience







Required:

4 Year college degree







Required: .NET Framework (1.1 - 4.6.x) - 5 years







Required:

.NET Core - 2

years







Required: ASP.NET - 5

years







Required: After hours support







Required:

C# - 5 years







Required: WCF Web

Services - 5 years







Required: Object

Oriented Development - 5 years







Required: Web API -

2+ year







Required: MS SQL

Server - 5 years







Required: Visual

Studio - 5 years







Required: IEPD

Lifecycle Management: Proven track record of developing and documenting IEPD

according to the NIEM specification - 3 years







Required: ESB

Migration: Experience refactoring custom client interfaces and web services

(SOAP/REST) to consume NIEM-conformant messages without breaking downstream

legacy consumers - 3 years







Namespace Management:

Ability to manage XML namespaces and versioning strategies to ensure backward

compatibility during a multi-phased migration - 3 years







Required:

Broad experience in software development including coding, testing, deployment

and maintenance of applications developed on Microsoft stack - 6 years







Required:

Experience maintaining and extending technical documentation - 5 years







Required:

Understanding and working experience with Microsoft SQL Server - 5 years







NICE

TO HAVE: Experience with Azure

Required/Desired Skills

Skill	Required/Desired	Amount	of Experience
4 Year college degree	Required
Broad experience in software development including coding, testing, deployment and maintenance of applications developed on Microsoft stack	Required	6.0	Years
.NET Framework (1.1 - 4.6.x)	Required	5.0	Years
ASP.NET	Required	5.0	Years
C#	Required	5.0	Years
WCF Web Services	Required	5.0	Years
Object Oriented Development	Required	5.0	Years
MS SQL Server	Required	5.0	Years
Visual Studio	Required	5.0	Years
Experience maintaining and extending technical documentation	Required	5.0	Years
Understanding and working experience with Microsoft SQL Server	Required	5.0	Years
IEPD Lifecycle Management: Proven track record of developing and documenting IEPD according to the NIEM specification	Required	3.0	Years
ESB Migration: refactoring custom client interfaces & web services (SOAP/REST) to consume NIEM-conformant messages w/o breaking downstream consumers	Required	3.0	Years
Namespace Management: Ability to manage XML namespaces and versioning strategies to ensure backward compatibility during a multi-phased migration	Required	3.0	Years
.NET Core	Required	2.0	Years
Web API	Required	2.0	Years
Afterhours support	Required
Experience with Azure	Nice to have