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Senior Software Developer Engineer Jobs in Delaware

Senior Software Engineer -- AI As a Senior Software Engineer -- AI, you will build and ship production-grade, multi-agent AI systems used daily by thousands of engineers. You'll work on an applied AI ...

The Senior Software Developer .NET is responsible for complex analysis, design, design review, development, code review, and unit testing from user requirements of custom software applications for ...

Senior .Net Software Developer

Newark, DE ยท On-site

$75K - $124K/yr

The Senior Software Developer .NET is responsible for complex analysis, design, design review, development, code review, and unit testing from user requirements of custom software applications for ...

The Senior Software Developer .NET is responsible for complex analysis, design, design review, development, code review, and unit testing from user requirements of custom software applications for ...

The Senior Software Design Assurance Engineer is responsible for ensuring the quality, safety, reliability, and regulatory compliance of medical device software throughout the product lifecycle. This ...

Senior Software Engineer

Dover, DE ยท On-site

$97K - $128K/yr

Comscore, Total Visits, March 2025) Day to Day As a Software Engineer III on the AI Gateway & Guardrails team at Indeed, you will own and drive the development of platform services that connect ...

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 ... Strong familiarity with developer tooling, including version control , CICD build pipelines, and ...

Senior Software Engineer II

Dover, DE ยท On-site +1

$197K - $232K/yr

Senior Software Engineers II at Confluent take ownership of critical backend systems that underpin our data streaming platform. You'll lead the design and delivery of large-scale, distributed ...

Senior C# Software Engineer at DE

Dover, DE ยท On-site

$122K - $161K/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 ...

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Senior Software Developer Engineer information

See Delaware salary details

$15

$61

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

As of Jun 23, 2026, the average hourly pay for senior software developer engineer in Delaware is $61.78, according to ZipRecruiter salary data. Most workers in this role earn between $52.45 and $69.28 per hour, depending on experience, location, and employer.

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

A Senior Software Developer Engineer requires advanced programming skills, deep understanding of software architecture, and several years of experience with a relevant degree in computer science or a related field. Familiarity with modern development frameworks, version control systems like Git, and certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate are often expected. Strong problem-solving abilities, effective communication, and leadership skills help in mentoring teams and collaborating on complex projects. These competencies ensure high-quality software delivery, efficient teamwork, and innovation within dynamic tech environments.

What are Senior Software Developer Engineers?

Senior Software Developer Engineers are experienced professionals who design, develop, and maintain complex software systems. They lead technical projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality solutions. Their responsibilities often include architecting software, reviewing code, ensuring best practices, and troubleshooting critical issues. Senior developers play a key role in shaping technical strategies and guiding the overall direction of software projects.

What are some common challenges faced by Senior Software Developer Engineers when leading project teams?

Senior Software Developer Engineers often encounter challenges such as balancing technical leadership with hands-on coding, managing cross-functional communication, and aligning team members with project goals. They may also need to mentor junior developers while ensuring code quality and timely delivery of features. Navigating competing priorities and rapidly changing requirements requires strong problem-solving skills and adaptability, as well as effective collaboration with project managers, designers, and QA teams.

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

AspectSenior Software Developer EngineerSoftware Developer
Required CredentialsBachelor's degree in CS or related field; 3+ years experience; sometimes certifications like Microsoft or AWSBachelor's degree in CS or related field; 0-2 years experience; certifications are optional
Work EnvironmentTeam lead roles, project planning, mentoringDevelopment tasks, coding, testing
Employer & Industry UsageTech companies, software firms, startupsSame as Senior Software Developer Engineer

The main difference is experience level and responsibilities. Senior Software Developer Engineers typically have more experience, take on leadership roles, and mentor junior developers, while Software Developers focus on coding and implementing features. Both roles are essential in software development teams, but the senior position involves more strategic and supervisory duties.

Senior Principal Software Developer

Senior Principal Software Developer

Waters Corporation

New Castle, DE โ€ข Hybrid

$121K - $167K/yr

Other

Posted 18 days ago


Job description

Overview

Interested 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.

Responsibilities

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.ย 

ย 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.
Qualifications
  • 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)ย 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.ย 

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,ย 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,ย 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.

Key Words#TAIEmployment Type: OTHER