1

Senior Net Software Developer Jobs in Delaware (NOW HIRING)

... impact software solutions using methodologies such as Waterfall, Scrum, DevOps, and continuous ... NET. Experience developing and maintaining automated applications, primarily in BizTalk. Strong ...

Senior C# Software Engineer at DE

Dover, DE · On-site

$122.40K - $161.40K/yr

Senior C# Software Engineer Location: Dover, DE (19904) Client: State of Delaware Duration: 12+ Months We are seeking a skilled Senior C# Software Engineer to join our dynamic Platform Engineering ...

Sr. Software Engineer

Newark, DE · On-site

$120.70K - $159.10K/yr

POSITION TITLE: Sr. Software Engineer POSITION DUTIES: Analyze business user needs, design, develop ... Developer/Analyst or related occupations working with Azure, Java, J2EE, SQL, Kubernetes, Visual ...

Sr. .NET Developer

Wilmington, DE · On-site

$53 - $69.75/hr

Position title: Sr. .NET Developer Work Location : Wilmington, Delaware. Duration: 12 Months ... and quality software solutions for product Writing, refurbishing and implementing code ...

next page

Showing results 1-20

People also search for

Senior Net Software Developer information

See Delaware salary details

$36

$60

$78

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

As of May 29, 2026, the average hourly pay for senior net software 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 NET Software Developer Do?

A senior .NET software developer helps to create the framework for a web application or piece of software. In this career, you meet with clients or project managers to determine the scope of the project and then begin developing the project with your team. Your duties are to work with other developers, quality assurance analysts, and coders to program, code, and test software. .NET software development projects often require you to integrate database solutions into the project. As a senior developer, you may also have high-level supervisory responsibilities.

What are the key skills and qualifications needed to thrive as a Senior .NET Software Developer, and why are they important?

To thrive as a Senior .NET Software Developer, you need advanced proficiency in C#, ASP.NET, object-oriented design, and a bachelor’s degree in computer science or related field. Familiarity with tools like Visual Studio, Azure DevOps, SQL Server, and experience with source control systems such as Git are typically required. Strong problem-solving, leadership, and effective communication skills help you navigate complex projects and mentor junior team members. These skills ensure robust, scalable application development and effective collaboration within software teams.

What are some common challenges a Senior .NET Software Developer faces when leading a project, and how can they be addressed?

As a Senior .NET Software Developer, one common challenge is balancing hands-on coding with mentoring junior team members and overseeing project architecture. Managing tight deadlines while ensuring code quality and maintaining up-to-date documentation can also be demanding. To address these challenges, it's important to establish clear communication channels, delegate tasks appropriately, and leverage agile methodologies for iterative progress. Regular code reviews and collaboration with cross-functional teams like QA and DevOps help ensure project success and professional growth.

What are Senior .NET Software Developers?

Senior .NET Software Developers are experienced professionals who design, develop, and maintain software applications using the Microsoft .NET framework. They are responsible for writing high-quality code, leading technical projects, and mentoring junior developers. Their work often involves collaborating with other teams, ensuring application performance, and implementing best practices in software development. Senior .NET Developers are also expected to troubleshoot complex issues and contribute to the architectural decisions of their organization.

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

AspectSenior Net Software DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related field, certifications like MCSD often preferredBachelor's or higher in CS or related field, certifications vary
Work EnvironmentTypically in enterprise or corporate settings, focusing on .NET technologiesVaries from startups to large companies, working on diverse projects
Industry UsageCommon in finance, healthcare, and enterprise software sectorsWidely used across tech, finance, healthcare, and more

Both roles require strong programming skills and experience with software development. Senior Net Software Developers focus specifically on .NET frameworks and enterprise applications, while Software Engineers may work across multiple platforms and technologies. The choice depends on the specific tech stack and industry focus.

What are popular job titles related to Senior Net Software Developer jobs in Delaware? For Senior Net Software Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Senior Net Software Developer jobs in Delaware look for? The top searched job categories for Senior Net Software Developer jobs in Delaware are:
What are popular job titles related to Senior Net Software Developer jobs in DE? For Senior Net Software Developer jobs in DE, the most frequently searched job titles are:
Infographic showing various Senior Net Software Developer job openings in Delaware as of May 2026, with employment types broken down into 57% Full Time, 15% Part Time, 3% Temporary, and 25% Contract. Highlights an 90% Physical, 3% Hybrid, and 7% Remote job distribution, with an average salary of $125,327 per year, or $60.3 per hour.
Senior Full Stack Software Engineer

Senior Full Stack Software Engineer

Waters Corporation

New Castle, DE • Hybrid

Other

Posted 16 days ago


Job description

OverviewWe need your talent!  Waters Corporation is currently seeking a Senior Full Stack Software Engineer to joinourGlobal Software Engineering team.    Our team understands the value of their work in the real world. As a Senior Full Stack Software Engineer in New Castle, Delaware, you'll be working on instruments that are pivotal in:   Electric Cars, 3D Printing, batteries, recyclable plastics, space suits, candy that melts in your mouth and not your hands, paint that goes on smooth and dries without streaks, and even ensuring your French fries have the perfect crunch to them!  Material Science uniquely spans the fields of physics, chemistry, engineering, and manufacturing. Consider this: today's lab instruments can only be viewed in the lab - our mission here is to enable scientists to see their lab results from Starbucks, home, or anywhere you can access the internet.    We are just getting started with building our next-generation best-in-class platform with a goal of being the "best in the industry" to support our customers across life, materials, food, and environmental sciences.    We're looking for a passionate Senior Full Stack Software Engineerwith a talent for building quality software solutions. You will workin a fast-paced, agile environmentand engage in technical discussions, participate in technical designs, demonstrate problem-solving abilities, and present and share ideas through global collaboration.   This role follows a hybrid work model, requiring three days per week on-site at the TA Instruments headquarters located at 159 Lukens Dr, New Castle, DE 19072.  Typical tasks of the position include, but are not limited to

As a Senior Full Stack Software Engineer you will:

  • Research, design, develop and release/maintain: Application, User interface, Data analysis, Instrument control software for thermal analysis, rheological, and calorimetric instruments.
  • Evaluate system specifications and translate system requirements to task specifications.
  • Responsible for ongoing support of current programs including performance, diagnosis and troubleshooting of problem programs and designing solutions to problematic programming.
  • Working within a formal development process covering the full development lifecycle.
  • Work in collaboration with the agile team and appropriate experts to implement your designs.
  • Provide code and supporting documentation in accordance with the coding guidelines, quality processes and applicable procedures, including team's definition of DONE.
  • Work in collaboration with the agile team to generate automated and manual tests to verify implemented software.
  • Provide work estimation and tracking information to support management decisions and planning.
  • Keep a pro-active attitude to insure continuous improvement of the software quality, work process and individual skills.
  • Provide contributions to the application architecture with a focus on scalability, maintainability, security and performance.
  • Provide product specific and technical support to internal and external users where appropriate.

 As a Team Member you will:

  • Participate in all team meetings and ceremonies in direct collaboration with other sites, provide input and feedback, take ownership on identified improvements.
  • Actively participate in learning and sharing activities either during informal or formal training and demos.
  • Demonstrate continuous technical improvement.

This role follows a hybrid work model, requiring three days per week on-site at the TA Instruments headquarters located at 159 Lukens Dr, New Castle, DE 19072.

The successful candidate will have a combination of knowledge, skills, and experience that would include the following

Abilities that will help you be successful: 

  • Bachelor's Degree in Computer Science or similar, or equivalent relevant experience 
  • 5+ years' experience designing, building, and supportingcomplexlarge-scaleapplications/platform(s) and/or solutions.
  • 5+ years of experience designing, building, and scaling solutions using C#, .NET, ASP.NET, RESTful Web API, EF Core, and PostgreSQL.

  • Solid knowledge and proven experience as a software developer, with exposure to elements of our back-end technology stack (C#, .Net, ASP.NET, WEB API).

  • Knowledge of Front-End JavaScript Frameworks, especially React using Typescript.
  • Knowledge and application of software engineering practices (e.g., Unit testing, TDD, CI/CD, SOLID, etc.).
  • Proven ability to work as part of an Agile delivery team
  • Good knowledge of software engineering principles
  • Develop an application from end to end - from the database to the user interface.
  • Excellent written and verbal communication skills are essential.
  • Good knowledge of multi-threading & tasks
  • Database - Design and code databases with a specific language like SQL.

Desired:

  • Continuous delivery, with pipelines implemented in Kubernetes, Docker
  • Experience using GitHub and GitHub Actions
  • Behaviour Driven Development (BDD), with SpecFlow
  • Software security best practices and implementation (e.g. OWASP, PKI, X509 Certificates, TLS)
  • Software development for regulated environments (e.g. 21 CFR11)
  • Analytical Instrumentation Domain.
  • Building from the ground up in small teams
  • Knowledge and experience with multiple technologies such as application servers, n-tier applications, database management systems and open-source trends 
  • Strong understanding ofcomputer science algorithms, data structures, anddesign patterns.

You care about software; you have a passion for what you do which you can clearly convey by your actions and experiences. You have an eye for software design and can talk eloquently on a range of topics due to your experiences and from reading and experimentation.

Company Description

Waters Corporation (NYSE:WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service. With a focus on regulated, high-volume testing environments, our innovative portfolio harnesses deep scientific expertise across chemistry, physics, and biology. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Through a shared culture of relentless innovation, our passionate team of ~16,000 colleagues turn scientific challenges into breakthroughs that improve lives worldwide. 

Diversity and inclusion are fundamental to our core values at Waters Corporation. It benefits our employees, our products, our customers and our community. Waters complies with all applicable federal, state, and local laws. Qualified applicants are considered without regard to sex, race, color, ancestry, national origin, citizenship status, religion, age, marital status (including civil unions), military service, veteran status, pregnancy (including childbirth and related medical conditions), genetic information, sexual orientation, gender identity, legally recognized disability, domestic violence victim status, or any other characteristic protected by law. Waters is proud to be an equal opportunity workplace and is an affirmative action employer. All hiring decisions are based solely on qualifications, merit, and business needs at the time.

Employment Type: OTHER