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Web Application Developer (Ref: 18821)

Professional Technology Integration, Inc.
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Position:  Web Application Developer (Ref: 18821)

Location:  Harrisburg, PA USA, 17120

Salary:  DOE

Duration:  11 Months 8 Days - Contract

Openings:  1

Deadline:  10/26/2026

Description:

***Local Candidates

*** Hybrid – Remote with Onsite availability as needed

 

We are seeking a Lead Web Application Portal Developer to drive the architecture, user interface design, full-stack programming, and quality assurance testing for the initial rollout of a major enterprise public-sector portal initiative.

 

In this role, you will take ownership of translating organizational specifications into modern, responsive, and robust web applications. You will serve as the primary hands-on technical lead—collaborating directly with cross-functional architecture, IT infrastructure, and project management teams to deliver scalable enterprise solutions.

 

Key Responsibilities

  • UI/UX & Front-End Design: Create conceptual front-end design artifacts, including interactive wireframes and UI mockups, ensuring full compliance with enterprise design system standards and accessibility requirements.
  • Technical Architecture & Data Modeling: Author comprehensive back-end technical documentation, including data dictionaries, Entity-Relationship Diagrams (ERDs), and system architecture schematics.
  • Full-Stack Development: Serve as the lead hands-on developer for the portal web application, writing clean, maintainable, and secure production code.
  • Infrastructure & Systems Alignment: Partner closely with enterprise IT teams to establish network, database, application hosting, and security specifications.
  • Testing & Quality Assurance: Lead application test planning, develop and execute comprehensive test cases, and drive bug triage and defect remediation.
  • Project Delivery & Risk Management: Work with project managers to report sprint progress, identify blockers, manage technical debt, and ensure milestone alignment across the development roadmap.

 

Experience & Qualifications

  • 5+ years of professional full-stack web application development experience building, deploying, and maintaining enterprise-grade web portals.
  • Proven track record leading the technical architecture and coding phases of multi-tier web projects.
  • Strong background in front-end wireframing, mockup design, and implementing structured design systems.
  • Demonstrated experience developing back-end architectural assets (ERDs, relational database models, data dictionaries).
  • Hands-on expertise with end-to-end testing, defect remediation, and web security best practices.
  • Excellent communication skills with the ability to coordinate across cross-functional engineering, infrastructure, and PM teams.
  • Location: Dauphin County, PA (Hybrid – Remote with Onsite availability as needed)
  • Engagement Type: Contract
  • Work Schedule: 40 hours/week (Monday – Friday, 8 hours/day)
  • Interview Mode: Virtual

 

Required / Desired Skills

  • Proficiency in C# and .NET (preferably .NET 8–10), including asynchronous programming, dependency injection, and modern design patterns. Required - 3 Years
  • Hands on experience building applications with Blazor and Razor components. Required - 3 Years
  • Strong understanding of routing, component lifecycle, state management, data binding, and general web application architecture Required - 3 Years
  • Experience developing RESTful APIs in ASP.NET Core and integrating them with front end Blazor components. Required - 3 Years
  • Solid experience with SQL Server 2022, including database schema design, stored procedures, functions, triggers, indexes, and performance optimization Required - 3 Years
  • Strong T SQL skills for writing and optimizing complex queries. Required - 3 Years
  • Experience with Entity Framework Core, including migrations, LINQ, and best practices for building data access layers. Required - 3 Years
  • Ability to design normalized, efficient, scalable databases and integrate them cleanly with application logic. Required - 3 Years
  • Ability to interpret business requirements and convert them into technical specifications and application architecture diagrams. Required - 3 Years
  • Experience designing modular, maintainable, and scalable applications. Required - 3 Years
  • Understanding of authentication, authorization, and security frameworks such as Identity, JWT, or Azure AD. Required - 3 Years
  • Familiarity with SOLID principles and clean architecture concepts. Required - 3 Years
  • Familiarity with logging, configuration management, exception handling, and API versioning. Required - 3 Years
  • Proficiency with Azure DevOps and common branching strategies. Required - 3 Years
  • Experience using Azure DevOps for CI/CD pipelines, automated builds, and work item management. Required - 3 Years
  • Ability to create meaningful unit tests and integration tests Required - 3 Years
  • Knowledge of secure coding practices and common application vulnerabilities. Required - 3 Years
  • Experience creating Power BI datasets, models, and reports, or integrating Power BI into applications. Required - 1 Years
  • Experience with front end styling or UI frameworks (CSS, Bootstrap, Tailwind) to enhance Blazor interfaces. Required - 1 Years