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Senior Application Software Engineer Jobs in Delaware

Software Engineer POSITION DUTIES: Design, develop, implement, validate and maintain software ... Design and implement recovery strategies, coordinate and execute application deployment, building ...

Sr Software Engineer - 90404987

Wilmington, DE · On-site

$118K - $156K/yr

Job Summary We are seeking a Senior Software Engineer to deliver high-quality software solutions ... Understanding of information systems and application architectures * Ability to work under ...

Job Summary We are seeking a Senior Software Engineer to deliver high-quality software solutions ... Understanding of information systems and application architectures * Ability to work under ...

Software Engineer

Wilmington, DE · On-site

$80 - $90/hr

Software Engineer III / Software Engineer II Location: Wilmington, DE 19801 (Hybrid Role) Duration ... Skill Set Azure Application Architecture C# .NET Core ETL Frameworks and Data Architecture This ...

Senior Embedded Software Engineer

Newark, DE · On-site

$121K - $158K/yr

We're looking for a Senior Embedded Software Engineer to design, develop, and maintain embedded software for our next-generation breast and skeletal health systems. In addition to core embedded ...

Senior Embedded Software Engineer

Newark, DE · On-site

$121K - $158K/yr

We're looking for a Senior Embedded Software Engineer to design, develop, and maintain embedded software for our next-generation breast and skeletal health systems. In addition to core embedded ...

Software Engineer

Wilmington, DE · On-site

$73 - $78/hr

Software Engineer, Full Stack (Java/React) We are not accepting C2C or 1099 arrangements. Location ... your job application, and for other related purposes. Message & data rates apply and message ...

Showing results 21-40

Senior Application Software Engineer information

See Delaware salary details

$44

$70

$109

How much do senior application software engineer jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for senior application software engineer in Delaware is $70.92, according to ZipRecruiter salary data. Most workers in this role earn between $57.74 and $79.38 per hour, depending on experience, location, and employer.

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

AspectSenior Application Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; experience varies, often less than 5 years
Work EnvironmentDesigning, developing, and maintaining complex applications; often involved in architecture decisionsWriting, testing, and debugging code; focused on specific features or modules
Industry UsageCommon in tech, finance, healthcare, and enterprise sectorsWidespread across all industries requiring software solutions

Senior Application Software Engineers typically have more experience and responsibilities, including system design and mentorship, compared to Software Developers who focus more on coding and implementation. Both roles require strong programming skills, but the senior role involves broader project oversight and strategic input.

What does a senior application software engineer do?

A Senior Application Software Engineer is responsible for designing, developing, and maintaining complex software applications. They often lead technical projects, mentor junior engineers, and collaborate with cross-functional teams to deliver high-quality solutions. Their role includes analyzing user needs, writing code, troubleshooting issues, and ensuring software scalability and security. Senior engineers are also involved in architectural decisions and may help define software development standards within their organization.

How does a senior application software engineer typically collaborate with cross-functional teams during the development lifecycle?

Senior Application Software Engineers frequently work alongside product managers, UX/UI designers, QA specialists, and other engineers to ensure software solutions meet business objectives and user needs. They often lead technical discussions, clarify requirements, and provide mentorship to junior developers. Effective communication and a proactive approach to problem-solving are crucial, as these engineers serve as a bridge between technical and non-technical stakeholders throughout the development, testing, and deployment phases.

What are the key skills and qualifications needed to thrive as a senior application software engineer, and why are they important?

To thrive as a Senior Application Software Engineer, you need advanced proficiency in programming languages (such as Java, Python, or C#), software architecture, and a bachelor’s or master’s degree in computer science or a related field. Experience with development frameworks, cloud platforms, version control systems (like Git), and often certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate are highly valued. Strong problem-solving ability, leadership, and effective communication set standout professionals apart in this role. These skills and qualities are crucial for designing robust software solutions, mentoring teams, and ensuring successful project delivery in complex technical environments.
What cities in Delaware are hiring for Senior Application Software Engineer jobs? Cities in Delaware with the most Senior Application Software Engineer job openings:
What are popular job titles related to Senior Application Software Engineer jobs in DE? For Senior Application Software Engineer jobs in DE, the most frequently searched job titles are:

Senior Principal Software Developer

Waters Corporation

New Castle, DE • Hybrid

$121K - $167K/yr

Other

Re-posted 2 days ago


Job description

OverviewInterested in joining our Software Team?   At TA Instruments, we're looking for creative and innovative engineers who bring fresh ideas from all areas, including data processing, distributed computing, large-scale system design, networking and data storage, security, UI design and mobile-the list goes on and is growing every day. We encourage all our engineers to constantly add value to themselves and the business through learning and collaboration. We are seeking a Sr. Principal Software Engineer to lead the development and architecture of an innovative platform incorporating advanced AI capabilities. This is a high-impact role requiring deep technical expertise, strategic thinking, and leadership in building scalable, secure, and high-performance cloud-native applications.   This is a hybrid position requiring on-site work for three days a week.Typical tasks of the position include, but are not limited to

As a Sr. Principal Software Engineer, you will:

  • Lead the architecture and design of a new SaaS platform with integrated AI/ML capabilities.
  • Define and drive the technical roadmap, ensuring alignment with business goals and scalability requirements.
  • Research, design, develop, and maintain applications, user interfaces, data analysis tools, and instrument control software for thermal analysis, rheological, and calorimetric instruments.
  • Evaluate system specifications and translate system requirements into detailed technical designs.
  • Provide architectural guidance and mentorship to engineering teams across the full development lifecycle.
  • Collaborate with cross-functional teams to ensure seamless integration of AI models and services into the SaaS platform.
  • Ensure software quality through code reviews, automated testing, and adherence to SOLID principles and secure coding practices.
  • Contribute to the application architecture with a focus on scalability, maintainability, security, and performance.
  • Support current programs, including performance tuning, troubleshooting, and enhancements.
  • Provide technical support to internal and external users as needed. 

 As a Team Member you will:

  • Participate in agile ceremonies and collaborate with global teams.
  • Share knowledge through demos, documentation, and mentoring.
  • Demonstrate continuous technical improvement and thought leadership.
The successful candidate will have a combination of knowledge, skills, and experience that would include the following
  • Bachelor's Degree preferred, or equivalent combination of education, training, and experience
  • 12+ years of experience in software engineering, preferably in a regulated development environment.
  • 3+ years of technical leadership experience, guiding software teams through architecture, design, and delivery of complex software solutions
  • 5+ years of proven experience designing and architecting SaaS solutions, including multi-tenant architecture, CI/CD pipelines, and cloud-native services with major cloud service providers such as AWS, Azure, or Google.
  • Strong experience with C#, .NET Core, and object-oriented design.
  • Front-end development expertise using React or Angular with TypeScript.
  • Proficiency in web technologies: HTML, CSS, REST APIs.
  • Hands-on experience with AWS or Azure Cloud, Docker containers, and microservices.
  • Familiarity with development tools such as JIRA, Visual Studio, VS Code, GitHub, YAML, Confluence, and Datadog.
  • Experience integrating AI/ML models into production systems is a strong plus.
  • Strong understanding of software security best practices and implementation.

Desired / Nice To Have:

  • Experience in analytical or medical device domains.
  • Knowledge of TCP/IP sockets and RS232-serial communications.
  • Experience with Azure DevOps, GitHub, BDD (Gherkin & SpecFlow), and continuous delivery pipelines.
  • Ability to create roadmaps, manage risks, and communicate progress to stakeholders.
  • Experience bridging technical and non-technical teams.
  • Background in cross-functional product development involving hardware and software components.
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