Sr. C#/.Net Developer

2 weeks ago

Miami, FL, United States Just Write Full time
Project Scope:

We are seeking experienced Systems Modernization Consultants to support the transition of legacy systems-including PEN, MS Access, and Mainframe-into the GoldKey platform. The consultants will play a key role in maintaining data integrity and validation throughout the migration process. They will also be responsible for embedding Impervious Surface Reviews into Paving & Drainage workflows, optimizing the Building Permit process, and implementing automated workload assignment features.

Roles/Responsibilities:
  • Migrate and modernize legacy systems (PEN, MS Access, Mainframe) into the GoldKey platform.
  • Ensure data integrity, validation, and system compatibility during migration.
  • Integrate Impervious Surface Reviews into existing Paving & Drainage workflows.
  • Optimize the Building Permit review and approval process.
  • Design and implement features for automated workload assignments.
  • Support compliance with:
  • Impervious surface review regulations
  • Environmental and historical preservation requirements
  • Municipal Sewer Extension Permits
  • Collaborate with county analysts, stakeholders, and vendors throughout the project lifecycle.


Mandatory Skills:
  1. C# / .NET Framework: Proficiency in OOP, debugging, and clean code practices.
  2. JavaScript & jQuery: Strong understanding of core JS, DOM manipulation, AJAX, and asynchronous programming.
  3. Oracle / SQL (PL/SQL): Expertise in writing optimized queries, stored procedures, and maintaining normalized databases.
  4. MVC Frameworks: Experience in implementing MVC architecture with routing and security best practices.
  5. Windows & Web Services: Development experience with Windows applications, RESTful/SOAP APIs, and secure authentication.
  6. SSIS / SSRS: Deep understanding of ETL processes, report design, deployment, and performance tuning.
  7. System Integration: Proven experience with large-scale system modernization and multi-application integration.
  8. Process Automation: Ability to implement automated online submission, tracking, invoicing, payments, and ECM integration.
Desirable Skills:
  1. Experience working on government or municipal permitting systems.
  2. Strong written and verbal communication skills.
  3. Ability to collaborate effectively with cross-functional teams and external partners.
  4. Prior work in government agencies or organizations managing large-scale data migrations and system integrations preferred.


Just Write Inc. (JW Staffing) and Just Write Consulting, Inc. are equal opportunity employers. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other legally protected status in accordance with applicable federal, state, and local laws.

  • C#/ .Net Developer

    2 weeks ago

    Miami, FL, United States Just Write Full time

    Project Scope: The consultants will be responsible for leading the transition of legacy systems-including PEN, Microsoft Access, and Mainframe applications-into the modern Gold Key platform. This migration will require ensuring data integrity and validation throughout all phases. The consultants will play a critical role in embedding Impervious Surface...

  • C#/ .Net Developer

    1 week ago

    Miami, FL, United States Just Write Full time

    Project Scope: The consultants will be responsible for leading the transition of legacy systems-including PEN, Microsoft Access, and Mainframe applications-into the modern Gold Key platform. This migration will require ensuring data integrity and validation throughout all phases. The consultants will play a critical role in embedding Impervious Surface...

  • C#/ .Net Developer

    1 week ago

    Miami, FL, United States Just Write Full time

    Project Scope: The consultants will be responsible for leading the transition of legacy systems-including PEN, Microsoft Access, and Mainframe applications-into the modern Gold Key platform. This migration will require ensuring data integrity and validation throughout all phases. The consultants will play a critical role in embedding Impervious Surface...

  • C#/ .Net Developer

    2 days ago

    Miami, FL, United States Just Write Full time

    Project Scope: The consultants will be responsible for leading the transition of legacy systems-including PEN, Microsoft Access, and Mainframe applications-into the modern Gold Key platform. This migration will require ensuring data integrity and validation throughout all phases. The consultants will play a critical role in embedding Impervious Surface...

  • C#/ .Net Developer

    6 days ago

    Miami, FL, United States Just Write Full time

    Project Scope: The consultants will be responsible for leading the transition of legacy systems-including PEN, Microsoft Access, and Mainframe applications-into the modern Gold Key platform. This migration will require ensuring data integrity and validation throughout all phases. The consultants will play a critical role in embedding Impervious Surface...

  • .Net Developer

    1 week ago

    Miami, FL, United States Radise Internation LLC Full time

    We are looking for a .NET Developer position in West Palm Beach, FL.The position details are as follows. Please review and respond with the details requested below.Position:. Net Developer Location: Onsite - West Palm Beach, FL. Duration: 10 Months Approx. [ASAP to 09/30/2026]Specification of needed skill sets * Minimum (6) years Microsoft .NET (VB.NET...

  • .Net Developer

    2 weeks ago

    Miami, FL, United States Radise Internation LLC Full time

    We are looking for a .NET Developer position in West Palm Beach, FL.The position details are as follows. Please review and respond with the details requested below.Position:. Net Developer Location: Onsite - West Palm Beach, FL. Duration: 10 Months Approx. [ASAP to 09/30/2026]Specification of needed skill sets * Minimum (6) years Microsoft .NET (VB.NET...

  • .Net Developer

    2 weeks ago

    Miami, FL, United States Radise Internation LLC Full time

    We are looking for a .NET Developer position in West Palm Beach, FL.The position details are as follows. Please review and respond with the details requested below.Position:. Net Developer Location: Onsite - West Palm Beach, FL. Duration: 10 Months Approx. [ASAP to 09/30/2026]Specification of needed skill sets * Minimum (6) years Microsoft .NET (VB.NET...

  • .Net Developer

    6 days ago

    Miami, FL, United States Radise Internation LLC Full time

    We are looking for a .NET Developer position in West Palm Beach, FL.The position details are as follows. Please review and respond with the details requested below.Position:. Net Developer Location: Onsite - West Palm Beach, FL. Duration: 10 Months Approx. [ASAP to 09/30/2026]Specification of needed skill sets * Minimum (6) years Microsoft .NET (VB.NET...

  • Senior .NET C# Engineer

    7 days ago

    Miami, FL, United States INSPYR Solutions Full time

    Title: Senior .NET C# Engineer Location: Miami, FL OR Irving, TX Compensation: 65-75/hour Duration: 3 month contract to hire Senior .NET C# Engineer We are seeking a Senior .NET C# Engineer to join our fastpaced and collaborative IT team. The ideal candidate will have strong experience building and maintaining enterprise-level .NET applications and working...