.Net Application Developer, Tier 1

thunder::tech empowers midsize brands to grow through integrated marketing solutions that blend creativity and technology. The Application Developer (.NET Core), Tier 1 designs, builds, and maintains scalable back-end systems and APIs, collaborates with cross-functional teams, and contributes to secure, reliable digital experiences from concept through launch.

Responsibilities

Design, develop and maintain applications and APIs using .NET Core / .NET

Build, extend and support CMS-driven and custom web applications

Write clean, object-oriented, testable and maintainable code

Design, manage and optimize Microsoft SQL Server databases, including schema and stored procedures

Collaborate with front-end developers, designers and sysops to deliver complete, integrated solutions

Assess technical requirements and contribute to project scope, timelines and estimates

Participate in code reviews, architecture discussions and technical planning

Provide ongoing project status updates to internal teams and management

Present back-end architecture and implementation details to internal teams and clients as needed

Contribute to building scalable, secure and maintainable systems

Stay current with evolving Microsoft technologies, web development trends and cloud platforms

Preferred

• Experience working in an agency or client-service environment
• Exposure to cloud platforms (e.g., Azure) and modern deployment practices
• Familiarity with CI/CD pipelines and DevOps workflows
• Experience contributing to system architecture or technical design discussions

Agency Experience

Client Service

Cloud Platforms

Azure

Modern Deployment Practices

CI/CD Pipelines

DevOps Workflows

System Architecture

Technical Design Discussions

Benefits

Hybrid Work Atmosphere (Remote/In Office)

Medical, Dental, Rx and Vision Insurance

Long-term Disability, Short-Term Disability

Paid Parental Leave

Life Insurance

401K + Match Eligibility

Anniversary Recognition with Yearly Incentive

Vacation Time

Sick Time

Mental Health Days

Manager Discretion “Bonus” Days

Summer Fridays

Pet Bereavement Days

10 Paid Holidays, Including St. Patrick’s Day and Paid Day Off For Your Birthday and Work Anniversary

Company

Full-service digital marketing and advertising agency for midsize brands.

Cleveland, Ohio, USA

https://www.thundertech.com/

Founded in 1999

51-200 employees

Qualifications

• Bachelor's or Master's degree in Computer Science or a related field (or equivalent experience)
• 1–3 years of professional experience developing applications using Microsoft web technologies
• Experience building APIs and server-side applications in a professional setting
• Strong experience with .NET Core / .NET and C#
• Proficiency with Microsoft SQL Server, including database design and performance optimization
• Experience developing APIs and CMS-driven web applications
• Solid understanding of object-oriented programming and application architecture
• Experience with CMS platforms such as Kentico, Sitefinity or Sitecore
• Familiarity with Microsoft Visual Studio and Git-based source control
• Strong problem-solving and analytical thinking skills
• Ability to communicate technical concepts clearly to both technical and non-technical audiences
• Detail-oriented with a focus on writing high-quality, maintainable code
• Ability to manage multiple tasks and meet deadlines in a collaborative environment
• Team-oriented mindset with a proactive approach to learning and improvement

Location: Cleveland-Akron area with the ability to be in the office two days per week (Tuesday and Wednesday)

• Experience working in an agency or client-service environment
• Exposure to cloud platforms (e.g., Azure) and modern deployment practices
• Familiarity with CI/CD pipelines and DevOps workflows
• Experience contributing to system architecture or technical design discussions
• 1–3 years of professional experience developing applications using Microsoft web technologies.

Required skills

Represents the skills you have, click on the tags, .NET Core/.NET, C#, Microsoft SQL Server, Object-Oriented Programming, Application Architecture, CMS-Driven Web Applications, Kentico, Sitefinity, Sitecore, Microsoft Visual Studio

Preferred skills

• Familiarity with CI/CD pipelines and DevOps workflows

Experience

1-3 years