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Senior Dot Net Developer Jobs in Delaware (NOW HIRING)

Senior Software Engineer, Medical Device

Newark, DE ยท On-site

$119K - $157K/yr

We are seeking a Senior Software Engineer (C#/ .NET, Full Stack) to design, develop, troubleshoot, and debug software for new and existing products. The person in this role will work as part of a ...

Lead AI Engineer

Wilmington, DE ยท On-site

$186K - $285K/yr

... .NET, Angular, Python, and related technologies * Define reusable reference architectures ... Mentor senior engineers, foster communities of practice, and promote architectural thinking ...

Networks with senior internal and external personnel in own area of expertise. The incumbent may be ... as C/C++/.net, LabVIEW/CVI, Visual Basic, and/or PLC Ladder Logic Working knowledge of ...

Software Engineer II

Wilmington, DE

$94K - $129K/yr

The position interacts with senior management, other technology personnel, clients and vendors. The ... NET Core * ETL Frameworks and Data Architecture * Familiar with application development software ...

Software Engineer II

Wilmington, DE ยท On-site

$94K - $129K/yr

The position interacts with senior management, other technology personnel, clients and vendors. The ... NET Core * ETL Frameworks and Data Architecture * Familiar with application development software ...

Software Engineer II

Wilmington, DE ยท On-site

$94K - $129K/yr

The position interacts with senior management, other technology personnel, clients and vendors. The ... NET Core * ETL Frameworks and Data Architecture * Familiar with application development software ...

Software Engineer II

Wilmington, DE

$94K - $129K/yr

The position interacts with senior management, other technology personnel, clients and vendors. The ... NET Core * ETL Frameworks and Data Architecture * Familiar with application development software ...

SW Engineer III

Wilmington, DE ยท On-site

$55.75 - $75/hr

Requirement - SW Engineer III (WebForms, .Net MVC, C#, SQL Server, Angular) Location- Hybrid ... The position interacts with senior management, other technology personnel, clients and vendors. The ...

Showing results 21-37

Senior Dot Net Developer information

See Delaware salary details

$36

$60

$78

How much do senior dot net developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for senior dot net developer in Delaware is $60.25, according to ZipRecruiter salary data. Most workers in this role earn between $52.93 and $67.36 per hour, depending on experience, location, and employer.

What does a senior dot net developer do?

A Senior Dot Net Developer designs, develops, and maintains software applications using Microsoft's .NET framework. They work on complex projects, often leading development teams, architecting solutions, and ensuring code quality through best practices. Their responsibilities also include troubleshooting issues, optimizing application performance, and mentoring junior developers. They typically collaborate with other IT professionals and stakeholders to deliver scalable and efficient software solutions.

What are the key skills and qualifications needed to thrive as a senior dot net developer?

To thrive as a Senior Dot Net Developer, you need advanced proficiency in C#, .NET frameworks, object-oriented programming, and a bachelor's degree in computer science or a related field. Expertise with Visual Studio, SQL Server, Azure DevOps, and relevant certifications like Microsoft Certified: .NET Developer are highly valued. Strong problem-solving, leadership, and effective communication skills help drive complex projects and mentor junior team members. These competencies ensure robust, scalable software solutions and foster high-performing development teams.

How does a senior .NET developer typically collaborate with cross-functional teams during a project lifecycle?

As a Senior .NET Developer, you will frequently work alongside product managers, UI/UX designers, quality assurance testers, and other developers to deliver robust software solutions. Your role often involves clarifying technical requirements, providing input on architecture and feasibility, and ensuring seamless integration with other systems. Effective communication and proactive problem-solving are vital, as you'll help bridge the gap between technical and non-technical stakeholders. Regular code reviews and agile ceremonies like sprint planning and stand-ups are common in this collaborative environment.

What is the difference between Senior Dot Net Developer vs Software Engineer?

AspectSenior Dot Net DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related, .NET certificationsBachelor's in CS or related, various programming certifications
Work EnvironmentDeveloping .NET applications, coding, debuggingDesigning, coding, testing software across platforms
Employer & Industry UsageTech companies, finance, healthcare using .NETBroad industry use, including tech, finance, startups
Common Search & ComparisonYesYes

The main difference between a Senior Dot Net Developer and a Software Engineer lies in their focus areas. Senior Dot Net Developers specialize in building and maintaining applications using the .NET framework, often with specific certifications. Software Engineers have a broader scope, working across various programming languages and platforms. Both roles are vital in tech industries, but the Senior Dot Net Developer role is more specialized in Microsoft technologies.

What are popular job titles related to Senior Dot Net Developer jobs in Delaware?

For Senior Dot Net Developer jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Senior Dot Net Developer jobs in Delaware look for?

The top searched job categories for Senior Dot Net Developer jobs in Delaware are:

What are popular job titles related to Senior Dot Net Developer jobs in DE?

For Senior Dot Net Developer jobs in DE, the most frequently searched job titles are:

Infographic showing various Senior Dot Net Developer job openings in Delaware as of August 2026, with employment types broken down into 1% As Needed, 89% Full Time, 8% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $125,327 per year, or $60.3 per hour.

Senior Software Engineer, Medical Device

HK Recruiting

Newark, DE โ€ข On-site

$119K - $157K/yr

Full-time

Re-posted 11 days ago


Key responsibilities

  • Design, develop, troubleshoot, and debug software for new and existing medical device products.

  • Collaborate with test engineers to understand functionality, identify, diagnose, and resolve technical issues, and contribute to testing plans.

  • Act as a technical leader by mentoring junior engineers, improving team processes, and defining product improvements and new features.


Job description

Located in Newark, DE, our client's Innovation Center is continuing to offer job opportunities. We are seeking a Senior Software Engineer (C#/ .NET, Full Stack) to design, develop, troubleshoot, and debug software for new and existing products.

The person in this role will work as part of a team developing user-facing applications for medical devices related to breast and skeletal health. This team currently works to support applications using C#, WPF, .NET, Java and Android, for clinical and internal users.

In addition to technical skills, we are looking for someone to be a strong technical leader on this team. They should deeply understand and adhere to good coding practices and be able to effectively mentor junior engineers. We expect them to partner with management to improve team processes and efficiency. The most successful person in this role exhibits a high degree of technical excellence, is collaborative, and takes initiative to do whatโ€™s best for the product and customer.

While the ideal candidate would be able to work onsite full time, we are open to discuss hybrid flexibility for the right candidate.

Our client is committed to creating groundbreaking technology that enables healthier lives everywhere, every day. We strive to become global champions for women's health by delivering dependable technology that saves lives. Apply today and join a purpose you will be proud to stand behind.

Role Expectations

  • Develop an expert level of understanding of our products and their use in clinical practice, to maintain, design, develop and test them.
  • Design and develop high quality software.
  • Develop and maintain software under an Agile/Scrum/Continuous Integration methodology.
  • Contribute to technical documentation of new product , features, and functionality.
  • Identify, design, and implement appropriate software testing.
  • Collaborate with Test Engineers to understand functionality for the development and support of testing plans.
  • Identify, diagnose, prioritize, and resolve technical issues.
  • Analyze defects, provide feedback, and implement process improvements.
  • Train external teams on key product design elements, their operation, and how to use them properly.
  • Apply and share knowledge of new and emerging technologies and continually seek opportunities for potential product improvements.
  • Act as a technical leader by continuously searching for potential product improvements and insisting on the highest levels of product quality and usability.
  • Define and develop product improvements and new features in collaboration with Product Management and Domain Experts.
  • Perform software risk assessments (ex: FMEAs); evaluate and develop risk mitigations as applicable to component, subsystem, and system level testing.

Skills

  • Expert understanding of computer science concepts, including operating systems, databases, software systems, and networking.
  • Expert programming skills, including Object-Oriented coding skills in .NET/C#, C++, C, Java or similar language.
  • Demonstrated mastery of software design principles, algorithms, data structures, and multithreading concepts. Ability to recognize and leverage design patterns.
  • Ability to architect software, defining the high-level structure of a complex software system, to meet functional & performance needs and support future maintainability.
  • Strong debugging skills; Experienced in troubleshooting and resolving complex issues.
  • Ability to work with & contribute to appropriate technical documentation (ex: software requirement specifications, software design documentation, release notes, etc.)
  • Ability to conduct and participate in effective, thorough code reviews.
  • Strong familiarity with developer tooling, including version control , CICD build pipelines, and issue & project tracking tools.
  • Excellent written and verbal communication skills, particularly in communicating complex technical details with both technical and non-technical audiences.
  • Ability to adapt communication style to suit different audiences.
  • Strong contributor to high performing team.
  • Demonstrate ownership in executing project plans and meeting deadlines.
  • Strong awareness of both local and system-level impact of code written.
  • Ability to provide feedback on requirements and test cases for completeness, accuracy, and ability to implement and test.
  • Ability to support & drive departmental best practices and product or process improvements.
  • Familiarity & experience with secure coding principles or cybersecurity is a plus.
  • Medical device experience is a plus.
  • Medical imaging/general image processing is a plus.
  • Understanding DICOM/HL7 is a plus.

Education

  • Preferred Minimum Technical/Advanced Degree: Technical Bachelorโ€™s or Masterโ€™s Degree in a related field.

Technical Experience

  • Bachelors Degree โ€“ 5-8 yrs
  • Masters Degree - 4-6 yrs