Role: .Net FullStack Developer Location: Philadelphia, PA Duration: 6+Months Contract Mode of ... The Senior Software Engineer will play a key role in the development and maintenance of commercial ...
Role: .Net FullStack Developer Location: Philadelphia, PA Duration: 6+Months Contract Mode of ... The Senior Software Engineer will play a key role in the development and maintenance of commercial ...
Sr Staff Fullstack Developer (Frontend focused)
Exton, PA · On-site
$100K - $116K/yr
Exton, PA, Denver, CO, Huntsville, AL, DC area, or Dayton, OH We Are Synopsys is the leader in engineering solutions from silicon to systems, enabling customers to rapidly innovate AI-powered ...
Sr Staff Fullstack Developer (Frontend focused)
Exton, PA · On-site
$100K - $116K/yr
Exton, PA, Denver, CO, Huntsville, AL, DC area, or Dayton, OH We Are Synopsys is the leader in engineering solutions from silicon to systems, enabling customers to rapidly innovate AI-powered ...
Applications Engineering, Sr Staff Engineer - 18315
Exton, PA · On-site
$136K/yr
General Information Job Title Sr Staff Fullstack Developer (Frontend focused) Job ID 18315 City Exton State/Province Pennsylvania Date Posted 04-Aug-2026 Job Category Engineering Job Subcategory ...
Applications Engineering, Sr Staff Engineer - 18315
Exton, PA · On-site
$136K/yr
General Information Job Title Sr Staff Fullstack Developer (Frontend focused) Job ID 18315 City Exton State/Province Pennsylvania Date Posted 04-Aug-2026 Job Category Engineering Job Subcategory ...
Senior Software Engineer, Fullstack
Philadelphia, PA · On-site
$160K/yr
As a leader of Perpay's engineering team, you'll collaborate with stakeholders ranging from entry-level contributors to senior-level executives. This opportunity is both unique and pivotal, as it ...
Senior Software Engineer, Fullstack
Philadelphia, PA · On-site
$160K/yr
As a leader of Perpay's engineering team, you'll collaborate with stakeholders ranging from entry-level contributors to senior-level executives. This opportunity is both unique and pivotal, as it ...
Senior Software Engineer, Frontend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... code, developer experience, and user experience What You'll Bring: * 5+ years of experience ...
Senior Software Engineer, Frontend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... code, developer experience, and user experience What You'll Bring: * 5+ years of experience ...
Senior Software Engineer, Backend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... Contribute to infrastructure-as-code and CI/CD improvements to increase developer velocity and ...
Senior Software Engineer, Backend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... Contribute to infrastructure-as-code and CI/CD improvements to increase developer velocity and ...
Senior Software Engineer, Fullstack
Philadelphia, PA · On-site
$160K/yr
As a leader of Perpay's engineering team, you'll collaborate with stakeholders ranging from entry-level contributors to senior-level executives. This opportunity is both unique and pivotal, as it ...
Senior Software Engineer, Fullstack
Philadelphia, PA · On-site
$160K/yr
As a leader of Perpay's engineering team, you'll collaborate with stakeholders ranging from entry-level contributors to senior-level executives. This opportunity is both unique and pivotal, as it ...
Senior Software Engineer, Fullstack
Philadelphia, PA · On-site
$160K/yr
As a leader of Perpay's engineering team, you'll collaborate with stakeholders ranging from entry-level contributors to senior-level executives. This opportunity is both unique and pivotal, as it ...
Senior Software Engineer, Fullstack
Philadelphia, PA · On-site
$160K/yr
As a leader of Perpay's engineering team, you'll collaborate with stakeholders ranging from entry-level contributors to senior-level executives. This opportunity is both unique and pivotal, as it ...
... many Senior Leadership Team meetings Lead the standardization of all development practices ... DevOps Hands-on experience with java / fullstack technologies including SpringBoot, Node.js, ...
... many Senior Leadership Team meetings Lead the standardization of all development practices ... DevOps Hands-on experience with java / fullstack technologies including SpringBoot, Node.js, ...
... Senior Leadership Team meetings • Lead the standardization of all development practices ... with DevOps • Hands-on experience with java / fullstack technologies including SpringBoot ...
... Senior Leadership Team meetings • Lead the standardization of all development practices ... with DevOps • Hands-on experience with java / fullstack technologies including SpringBoot ...
Senior Software Engineer, Frontend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... code, developer experience, and user experience What You'll Bring: * 5+ years of experience ...
Senior Software Engineer, Frontend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... code, developer experience, and user experience What You'll Bring: * 5+ years of experience ...
Senior Software Engineer, Frontend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... code, developer experience, and user experience What You'll Bring: * 5+ years of experience ...
Senior Software Engineer, Frontend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... code, developer experience, and user experience What You'll Bring: * 5+ years of experience ...
Senior Software Engineer, Backend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... Contribute to infrastructure-as-code and CI/CD improvements to increase developer velocity and ...
Senior Software Engineer, Backend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... Contribute to infrastructure-as-code and CI/CD improvements to increase developer velocity and ...
Senior Software Engineer, Backend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... Contribute to infrastructure-as-code and CI/CD improvements to increase developer velocity and ...
Senior Software Engineer, Backend
Philadelphia, PA · On-site
$160K/yr
Much of our team is fullstack, so we look for team members excited to learn new technologies and ... Contribute to infrastructure-as-code and CI/CD improvements to increase developer velocity and ...
Tech Lead (Fullstack - React & Nodejs) | Onsite - Delaware
$56.50 - $72.25/hr
Run day-to-day delivery of the offshore senior developer team: sprint commitments, code review, real-time unblocking, and hands-on work on critical or time-sensitive pieces. * Report delivery status ...
Tech Lead (Fullstack - React & Nodejs) | Onsite - Delaware
$56.50 - $72.25/hr
Run day-to-day delivery of the offshore senior developer team: sprint commitments, code review, real-time unblocking, and hands-on work on critical or time-sensitive pieces. * Report delivery status ...
Tech Lead (Fullstack - React & Nodejs) | Onsite - Delaware
Wilmington, DE · On-site
$56.50 - $72.25/hr
Run day-to-day delivery of the offshore senior developer team: sprint commitments, code review, real-time unblocking, and hands-on work on critical or time-sensitive pieces. * Report delivery status ...
Tech Lead (Fullstack - React & Nodejs) | Onsite - Delaware
Wilmington, DE · On-site
$56.50 - $72.25/hr
Run day-to-day delivery of the offshore senior developer team: sprint commitments, code review, real-time unblocking, and hands-on work on critical or time-sensitive pieces. * Report delivery status ...
Sr Fullstack Developer information
See Wilmington, DE salary details
$23.33 - $28.80
1% of jobs
$28.80 - $34.27
3% of jobs
$34.27 - $39.74
5% of jobs
$39.74 - $45.21
7% of jobs
$48.04 is the 25th percentile. Wages below this are outliers.
$45.21 - $50.68
16% of jobs
$50.68 - $56.15
17% of jobs
The median wage is $56.31 / hr.
$56.15 - $61.62
18% of jobs
$64.93 is the 75th percentile. Wages above this are outliers.
$61.62 - $67.09
13% of jobs
$67.09 - $72.57
9% of jobs
$72.57 - $78.04
6% of jobs
$78.04 - $83.51
4% of jobs
$23
$57
$83
How much do sr fullstack developer jobs pay per hour?
What is a Sr Fullstack Developer?
What are some typical challenges a Sr Fullstack Developer faces when balancing front-end and back-end responsibilities?
What are the key skills and qualifications needed to thrive as a Sr Fullstack Developer, and why are they important?
What is the difference between Sr Fullstack Developer vs Backend Developer?
| Aspect | Sr Fullstack Developer | Backend Developer |
|---|---|---|
| Required Skills | Proficiency in both frontend (JavaScript, HTML, CSS) and backend (Node.js, Python, Java) | Specialized in server-side languages and database management |
| Work Environment | Works on both client-facing and server-side components | Focuses primarily on backend systems and APIs |
| Common Usage | Used across full product development teams | Primarily in backend-focused roles within development teams |
The main difference between a Sr Fullstack Developer and a Backend Developer is the scope of expertise. A Sr Fullstack Developer handles both frontend and backend tasks, while a Backend Developer specializes in server-side development. Both roles require strong programming skills, but the Fullstack role demands broader knowledge across the entire application stack.
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For Sr Fullstack Developer jobs in Wilmington, DE, the most frequently searched job titles are:
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The top searched job categories for Sr Fullstack Developer jobs in Wilmington, DE are:

Job description
Headquartered in New Jersey (U.S), Cygnus Professionals Inc. is a next generation global information technology Solution and Consulting company powered by strong management and leadership team with over 30 person years of experience. Today, Cygnus has strong footprints in more than 4 countries with more than 25 satisfied customers. We strive to extend our presence across industries and geographies with our industry-focused business excellence.
Cygnus Professionals Inc. has been named by the US Pan Asian American Chamber of Commerce Education Foundation (USPAACC) as one of the "Fast 100 Asian American Businesses" - joining the country's fastest-growing Asian American-owned companies, based on percentage revenue growth over the immediate past two years.
Role: .Net FullStack Developer
Location: Philadelphia, PA
Duration: 6+Months Contract
Mode of Interview: Skype After Phone
! Need Green Card OR US Citizen OR EAD GC Candidates Only !
Note: Remote work will be allowed but the team does want this person to be in the Philadelphia area to come onsite as needed (they will need to be in the office sometimes - likely quite a bit in the beginning at the onset of the engagement and then possiby 1 - 2 times per week as the project moves forward). They must understand that they could be called into the office at any point and they have to be okay with that.
Must Have:
E Commerce exp is needed
Comfortable in FullStack all layers
More as the front end and business logic layer
Description:
The Senior Software Engineer will play a key role in the development and maintenance of commercial software product(s) to build reliable, testable, scalable and high-performing enterprise class solutions for our global Fortune 500 customers.
The successful candidate must be able to create full stack components and features that are directly accessed by a user through a UI or API. You will also work with production support teams to triage priority issues.
You will work with all software product development disciplines (including engineering, architecture, product owners, testers and analysts) to develop and maintain solutions that meet the needs of the business, utilizing industry standard best practices and modern software engineering techniques. Some key responsibilities include but are not limited to:
Design, code, test and debug new product enhancements for commercial software product(s)
Drive maintainable and reusable solutions that are both secure and adhering to acceptable performance benchmarks
Embrace, implement and evangelize test automation as part of the fabric of the team
Requirements Qualifications
Bachelor's degree and 6+ years of related development experience
Demonstrated understanding and implementation of software design principles such as SOLID, DI/IoC, CI, TDD
Experience working with the full Microsoft technology stack, including .NET/C# ,SQL Server, ASP.NET, , MVC and Web API
RESTful Architecture experience
Object Relation Mapping such as Entity Framework or Hibernate
Experience with HTML5, Javascript and CSS3
Experience with front-end libraries, AngularJS, Angular, and jQuery. Bootstrap is a plus.
Experience with browser-based web applications delivered over the Internet that support user concurrency
SQL development experience
Experience using Agile Scrum software development life cycle
Experience using source control management tools such as GIT
Excellent organizational skills, multitasking ability and proven analytical, methodical thinking, problem solving and decision making skills
Excellent verbal and writing skills, including the ability to research, design, and write new documentation, as well as to maintain and improve existing material
Experience working for a national or global commercial software product company requiring software product usage and high availability in a 24/7/365 model.
Experience working with collaboration and issue tracking tools such as Confluence and JIRA
Experience working in a large, fast-paced project environment
Demonstrated understanding of cloud enabled applications and how they differ from standard enterprise applications
Strong work ethic is a must
Proactive: Must be willing to seek out information and solutions that are pertinent to their responsibilities and key to their delivery
Must be willing to remediate code written by others
Team player attitude with a focus on the success of the team is a MUST
Must be able to work in a structured development environment and follow coding standards and design patterns.
** U.S. Citizens and those who are authorized to work independently in the United States are encouraged to apply. We are unable to sponsor at this time.
** All your information will be kept confidential according to EEO guidelines.
About Cygnus Professionals
Sourced by ZipRecruiter
Industry
It services
Company size
51 - 200 Employees
Headquarters location
Princeton, NJ, US
Year founded
2010