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Full Stack Software Engineer Intern Jobs in New Castle, DE

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Lead SWE, Full Stack

Newark, DE · On-site

As Lead Software Engineer, you'll drive the design, development, and improvement of tools ... NET full stack development (WPF a plus); comfortable in complex, multi-component systems * Strong ...

Inframatix Inc

Sr Java Full Stack Developer

Wilmington, DE · On-site

$51 - $65.75/hr

The company seamlessly integrates software, deep professional services & expert support for all ... Nice To Have KEY SKILLS - Need a Distributed Systems Engineer with • CQRS (Command Query ...

Inframatix Inc

Lead Java Full Stack Developer

Wilmington, DE · On-site

$51 - $65.75/hr

The company seamlessly integrates software, deep professional services & expert support for all ... Nice To Have KEY SKILLS - Need a Distributed Systems Engineer with • CQRS (Command Query ...

Ampcus Inc

Java Full Stack Developers

Wilmington, DE · On-site

$51 - $65.75/hr

... Full Stack Developer. The role involves working on system design, application development, and ... whole Software Development Life Cycle. • Exposure to agile methodologies such as CI/CD ...

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All JobsFull Stack Software Engineer Intern JobsFull Stack Software Engineer Intern Jobs in New Castle, DE

Full Stack Software Engineer Intern information

See New Castle, DE salary details

$43.2K

$130.7K

$184.7K

How much do full stack software engineer intern jobs pay per year?

As of Sep 2, 2026, the average yearly pay for full stack software engineer intern in New Castle, DE is $130,689.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,600.00 and $153,200.00 per year, depending on experience, location, and employer.

What does a full stack software engineer intern do?

A Full Stack Software Engineer Intern assists with the development of both the front-end and back-end components of web applications. They work under the guidance of experienced engineers to write code, debug issues, and help integrate different technologies across the software stack. Typical tasks include building user interfaces, connecting to databases, and testing new features. This role helps interns gain hands-on experience with various programming languages, frameworks, and tools commonly used in software development.

What are the key skills and qualifications needed to thrive as a full stack software engineer intern?

To thrive as a Full Stack Software Engineer Intern, you need a solid understanding of programming languages (such as JavaScript, Python, or Java), basic web development concepts, and enrollment in a relevant degree program like computer science. Familiarity with frameworks (like React or Node.js), version control systems (such as Git), and cloud platforms are often expected. Strong problem-solving abilities, eagerness to learn, and effective teamwork set standout interns apart. These skills and qualities enable interns to contribute meaningfully to projects, adapt quickly to new technologies, and collaborate efficiently in dynamic development environments.

What types of projects and technologies do full stack software engineer interns typically work on during their internship?

Full Stack Software Engineer Interns often work on a variety of projects that span both front-end and back-end development. This may include building user interfaces with frameworks like React or Angular, developing APIs using Node.js or Python, and working with databases such as MongoDB or PostgreSQL. Interns usually collaborate closely with senior engineers, designers, and product managers, gaining exposure to the full software development lifecycle. The work environment tends to be fast-paced and collaborative, offering valuable opportunities to learn modern development practices and tools.

What is the difference between Full Stack Software Engineer Intern vs Software Developer Intern?

AspectFull Stack Software Engineer InternSoftware Developer Intern
Required SkillsKnowledge of both front-end and back-end technologies, basic understanding of databasesFocus on specific programming languages or platforms, such as Java, Python, or mobile development
Work EnvironmentCollaborates on full application development, often in agile teamsWorks on specific modules or features, may focus on front-end or back-end
Industry UsageCommon in tech companies, startups, and software firmsWidely used across various tech sectors, including web and mobile app development

In summary, a Full Stack Software Engineer Intern has a broader scope, working on both front-end and back-end development, while a Software Developer Intern may focus on a specific area. Both roles provide valuable experience in software development but differ in technical breadth and project involvement.

What are the most commonly searched types of Full Stack Software Engineer jobs in New Castle, DE?

The most popular types of Full Stack Software Engineer jobs in New Castle, DE are:

What are popular job titles related to Full Stack Software Engineer Intern jobs in New Castle, DE?

For Full Stack Software Engineer Intern jobs in New Castle, DE, the most frequently searched job titles are:

What cities near New Castle, DE are hiring for Full Stack Software Engineer Intern jobs?

Cities near New Castle, DE with the most Full Stack Software Engineer Intern job openings:

Full Stack Software Engineer Intern jobs near you
Infographic showing various Full Stack Software Engineer Intern job openings in New Castle, DE as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $130,689 per year, or $62.8 per hour.

Full Stack Developer

Syntricate Technologies

Wilmington, DE • On-site

Full-time

Re-posted 22 days ago

Job description

Job Summary:
Syntricate Technologies is seeking a Full Stack Developer to join their team in Wilmington, DE. The role requires expertise in backend and frontend development, with a focus on Java and React, in an enterprise environment or financial services setting.
Qualifications:
Required:
• 4+ YEARS OF EXPERIENCE IN ENTERPRISE ENVIRONMENT OR FINANCIAL SERVICES.
• JAVA 17 (STRONG HANDS ON)
• REACT (1-2 YEARS)
• SPRING BOOT
• AWS (EKS, ECS)
• RDBMS OR NOSQL
• APIS
Company:
Syntricate Technologies offers quality assurance, validation, regulatory, business analysis, and project management services. Founded in 2004, the company is headquartered in Boston, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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