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Software Engineer Intern Jobs in Princeton, NJ (NOW HIRING)

Danaher

Software Engineer Internships

Edison, NJ

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing diagnostic software that powers critical healthcare tools used across the globe. What You Might ...

Danaher

Software Engineer Internships

Trenton, NJ · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing diagnostic software that powers critical healthcare tools used across the globe. What You Might ...

Danaher

Software Engineer Internships

Trenton, NJ

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing diagnostic software that powers critical healthcare tools used across the globe. What You Might ...

Danaher

Software Engineer Internships

Edison, NJ · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing diagnostic software that powers critical healthcare tools used across the globe. What You Might ...

Danaher

Software Engineer Internships

New Brunswick, NJ · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing diagnostic software that powers critical healthcare tools used across the globe. What You Might ...

Clerkie

Software Engineer Internship

New York, NY · On-site +1

$80/hr

About the internship As the newest addition to Team Clerkie, this Software Engineer Intern will work across our Engineering function to contribute to Clerkie Fiber, our B2B CRM, designed to transform ...

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All JobsSoftware Engineer Intern JobsSoftware Engineer Intern Jobs in Princeton, NJ

Software Engineer Intern information

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How much do software engineer intern jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for software engineer intern in Princeton, NJ is $26.64, according to ZipRecruiter salary data. Most workers in this role earn between $21.68 and $30.24 per hour, depending on experience, location, and employer.

What does a software engineer intern do?

A Software Engineer Intern assists in designing, developing, and testing software applications under the guidance of experienced engineers. Interns typically work on coding tasks, bug fixes, documentation, and sometimes participate in team meetings or code reviews. The primary goal is to gain hands-on experience with real-world software development processes and tools while contributing to ongoing projects. This internship provides valuable exposure to industry practices and helps interns build technical and collaborative skills.

What does a software engineer intern do?

A software engineer intern works under the guidance of an experienced software engineer who is usually mid or senior level. As a software engineer intern, your responsibilities are to learn as much as you can about software engineering as well as learn how to navigate the politics and dynamics of a corporate or startup setting. Your job duties as a software engineer intern include tasks like coding and debugging software applications and experimenting with design elements. You also review other engineers’ code, test software applications and patches, and implement changes and updates when necessary.

What types of projects and tasks are software engineer interns typically assigned, and how do these contribute to their learning and development?

Software Engineer Interns are often assigned to real-world projects that align with the team's current goals, such as developing new features, fixing bugs, or writing automated tests. Interns usually work under the guidance of experienced engineers and participate in code reviews, stand-up meetings, and collaborative problem-solving sessions. These tasks help interns gain practical experience with industry-standard tools and workflows, while also building their technical and teamwork skills. As a result, interns can expect to leave the internship with concrete contributions to the product and a better understanding of software development processes.

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

To thrive as a Software Engineer Intern, you need a solid understanding of programming fundamentals, problem-solving skills, and typically be pursuing a degree in computer science or a related field. Familiarity with coding languages like Python, Java, or C++, version control systems such as Git, and exposure to development environments are commonly expected. Strong communication, eagerness to learn, and teamwork set standout interns apart. These skills allow interns to effectively contribute to projects, adapt to new technologies, and collaborate within software development teams.
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Software Engineer Intern jobs near you
Infographic showing various Software Engineer Intern job openings in Princeton, NJ as of August 2026, with employment types broken down into 1% Internship, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $55,419 per year, or $26.6 per hour.

Intern Software Engineer - Trading Systems

RTX Fintech & Research LLC

New York, NY • On-site

$22/hr

Temporary

This job post has expired today. Applications are no longer accepted.

Job description

Job Title: Intern Software Engineer - Trading Systems
Company Description
RTX Fintech and Research develops and operates the 1st fully electronic inter-dealer marketplace for interest rate swaps and other derivatives. The marketplace is an innovative platform that provides dealers with fast, efficient price discovery, electronic execution and straight-through processing.
RTX is regulated Swap Execution Facility (SEF) in the US and a Multilateral Trading Facility (MTF) in Europe.
Role Description
Opportunity to develop, test and operate a global, real-time interactive trading system for the interdealer marketplace. This is a hands-on, full-stack software engineering role in Java, JavaSript and node.js.
Role Type
  • Internship: Sep - Dec 2026 (12 weeks) - can be extended
  • Full time in office (lower Manhattan, NYC) - remote work not available for this role.

Responsibilities and Deliverables
  • Design and develop trading system components covering UI, order management, trading matching, routing and post-trade processing
  • Design and develop automated testing, monitoring and alerting for the trading platform
  • Work closely with the trading desk to understand system operations
  • Triage critical production issues and provide rapid response during trading system incidents as part of the level 3 response team

Mandatory Experience
  • None - this is an entry-level position

Desired Experience
  • Software engineering and/or test automation for high volume transaction processing
  • Start-up environment

Key Skills
  • Strong work ethic and an entrepreneurial spirit; thrive in a high-pressure environment
  • Willingness and ability to learn
  • Exceptional analysis and triage of real-time production systems
  • Clear, concise and accurate written communication skills

Qualifications
  • Candidate for Bachelor of Science, Master of Science or equivalent degree in computer science, computer engineering

Apply