Senior Software Engineer

Location: Jacksonville FL Work Type: Hybrid Department: Development

Are you ready to take on your next challenge Are you ready to take the reins of a capable technical team Are you ready to contribute to the development of the next generation of products

Advantage Design group is looking for an experienced C# Senior software engineer that will be working with and leading a 5 person team.

The Role

As a Senior Software Engineer you will design build and maintain scalable CMS-driven platforms that power ADGs orientation and recruiting experiences. You will lead the development of enterprise-ready solutions from end-to-end solutions while mentoring developers and helping shape best practices. You will be provided with strong mentorship and have a chance to grow and develop your own leadership style.

About Advantage Design Group

We create interactive video-driven recruiting and orientation platforms that help people start strong. With more than 400 institutions and organizations served we are the market leader in powering welcoming accessible and data-driven onboarding experiences. We are a 50-person company located in Jacksonville FL that provides online orientation platform to clients across the US and Canada.

Why Youll Love It Here

• Impact on a scale: Your work improves first-day experiences for students and employees nationwide.

• Tech stack: Microsoft Azure MS SQL Core Shibboleth Umbraco C# Visual Studio Azure DevOps and CI/CD.

• Our Platform: Cloud hosted platform with a web front end back office reporting user management single sign-on and systems integrations.

• Tight-knit development team within a mid-sized company: Youll enjoy the best of both worlds collaborating closely with developers while being part of a company where your contributions are visible and valued.

Key Responsibilities

• Architect develop enhance and maintain our Advantage Platform Product which is a customizable web-based orientation and recruiting platform.

• Work with web and graphic design teams to build content models and content editors for creating unique custom and engaging customer experiences.

• Work with clients to integrate Single Sign-On REST APIs Web Services Batch Processing and Reporting with their Information Systems.

• Configure and manage Azure deployments (App Service Azure SQL Storage Key Vault App Insights) with CI/CD pipelines.

• Troubleshoot debug and optimize performance across front-end and back-end systems.

• Champion development standards peer reviews automated testing and observability.

• Collaborate with project managers designers and media teams to deliver responsive and accessible digital experiences.

• Work with customers to achieve their vision for recruiting and orientation.

• Lead the vision for product development and improvements.

Required Skills

• 5 years of professional experience in web development with a strong focus on enterprise applications.
• Development Team Lead experience for software development enhancement and maintenance.

• Expertise (C#) Core/MVC Razor SQL Server and Git.

• Hands-on experience with industry standard Content Management Systems (CMS).

• Experience with SOAP REST APIs AJAX Open API (Swagger) and API testing tools such as Postman.

• Working knowledge of Azure services and application hosting in IIS/Kestrel.

• Familiarity with authentication protocols (OAuth2 SAML) and SSO patterns.

• Understanding accessibility standards (WCAG) and security best practices.

• Familiarity with networking concepts including DNS SSL Load Balancing Firewalls Security Groups and DKIM.

• Experience with microservices architecture

Experience/Education

• B.S or equivalent experience

• 5 years relevant work experience

• Proficient in design patterns SOLID principles and best practices.

• Knowledge of DevOps practices and continuous integration/continuous deployment (CI/CD).

Nice to Have

• Experience with Umbraco Forms Examine search headless Content Delivery API

• Familiarity with Serverless Application Architectures including Docker or Kubernetes.

• Experience integrating with Salesforce Workday HRIS or Ellucian systems.

• Azure or AWS certification

• Leading development projects and mentoring junior team members.

• Designing architecting and implementing complex software solutions.

• Optimizing application performance and scalability.

• Lead collaborating with stakeholders including client meetings to gather requirements and provide technical insights.

Growth Opportunities

• Actively involved in technological decision-making processes.

• Lead architectural design and implementation.

• Pursue further certifications (e.g. Microsoft Certified Solutions Developer - MCSD).

• IT Certifications (Azure dev fundamentals DevOps Expert)

Candidate Profile

• Technical leader who can take ownership of solutions and guide best practices.

• Collaborative teammate who thrives in cross-functional environments.

• Problem solver who balances technical depth with client needs.

• Continuous learner who explores emerging tools and technologies.

Compensation and Benefits

• Competitive base salary with annual performance-based raises.

• 401(k) with company match.

• Profit-sharing program.

• Group Health Dental and Vision Insurance.

• Paid vacation and holidays.

• Hybrid work schedule after onboarding.

• Gym membership and stocked breakroom (coffee snacks tea).

• Ongoing training mentorship and career development.

• A beautiful office in coastal Jacksonville FL near beaches and with no state income tax.

Ready to Apply

• If you thrive on solving complex technical challenges and want your work to make a real impact we would love to meet you.

Apply Now at Senior Software Engineer Application
Learn more about what its like to join our team by visiting our welcome page: Welcome!.