Sr. .Net Developer

Quantum Technologies. LLC; Cincinnati (OH); On-site; USD 100,000 - 140,000; Full time

Job summary

Quantum Technologies. LLC is seeking a senior software engineer in the Cincinnati area to advance web applications and services. You will own design, implementation, and deployment across .NET Core back-end and Angular front-end modules, collaborating with stakeholders to refine requirements and deliver scalable solutions.

You will drive technical planning, perform code reviews, and contribute to architecture decisions while mentoring junior developers and creating essential technical documents.

Qualifications

• Seven or more years of professional experience developing and supporting web applications.
• Strong proficiency in C# and .NET development with hands on experience in .NET Core.
• Experience with Angular or similar modern front end frameworks.
• Deep knowledge of SQL Server, relational database design, query tuning, and stored procedures.
• Strong understanding of application architecture, API design, and integration patterns.
• Demonstrated ability to own complex projects from design through deployment.

Responsibilities

• Lead the design and development of scalable applications, services, and integrations.
• Build responsive and intuitive front end applications in Angular.
• Drive estimation, technical planning, and delivery of assigned projects.
• Support production systems through advanced troubleshooting, performance tuning, and root cause analysis.
• Review code and provide guidance to junior developers to promote quality and consistency.
• Create and maintain technical documentation, architectural diagrams, and user materials.

Skills

C#/.NET

Angular

SQL Server

API design

Project ownership

Code review

Documentation

Tools

Azure DevOps

MVC/Blazor

Job description

• .NET Framework and .NET Core
• Microsoft SQL Server
• Angular for front end development
• Legacy internal web applications built in MVC, Blazor, and other Microsoft stacks
• Azure DevOps for source control, pipelines, and collaboration
• JAMS Enterprise Scheduler Responsibilities
• Partner with business and technical stakeholders to gather, refine, and validate requirements
• Lead the design and development of scalable applications, services, and integrations
• Build responsive and intuitive front end applications in Angular
• Drive estimation, technical planning, and delivery of assigned projects
• Support production systems through advanced troubleshooting, performance tuning, and root cause analysis
• Review code and provide guidance to junior developers to promote quality and consistency
• Create and maintain technical documentation, architectural diagrams, and user materials

Required Skillset:

• Seven or more years of professional experience developing and supporting web applications
• Strong proficiency in C# and .NET development with hands on experience in .NET Core
• Experience with Angular or similar modern front end frameworks
• Deep knowledge of SQL Server, relational database design, query tuning, and stored procedures
• Strong understanding of application architecture, API design, and integration patterns
• Demonstrated ability to own complex projects from design through deployment

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.