Software Development Engineer In Test Internships
Software development engineer in test internships give university students, recent graduates, and early-career switchers hands-on project experience building and running automated test frameworks alongside working engineers, and, at many employers, a path toward a full-time offer. Openings are concentrated across Technology & Software and Manufacturing, with TikTok, Sony Interactive Entertainment, and General Dynamics Mission Systems among the employers posting roles now.
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Do you want to change how the world creates?
At Formlabs, we're building the tools that make it possible for anyone to bring their ideas to life, from cutting-edge products to life-saving medical devices. Our 3D printing technology powers innovation at more than 50,000 industry leaders worldwide, including Apple, Google, Tesla, New Balance, and NASA. Together, we're helping everyone design, prototype, and manufacture faster than ever before.
We're a team of hands-on builders, engineers, and innovators reinventing how the world makes physical things. If you're ready to shape the future of fabrication, come build it with us.
Your Impact:
Software is at the center of our product development, as it bridges the transition from digital models to beautiful physical form in 3D printing. In addition to the software we ship to our customers, there is software everywhere behind the scenes at Formlabs. We have custom tools that allow our engineers to study and improve printer performance, as well as for calibration, manufacturing, and data analysis. As a manufacturing test software intern, you'll work at the intersection of hardware and software, developing critical functionality that enables us to build the best professional 3D printers on the market.
If you're passionate about software and want to help build excellent software, we want you as a Manufacturing Test Software Intern.
Internship Term: Summer (May/June - August)
Commitment: Full-time (40 hours/week)
Location: Onsite in Somerville, MA (in-person)
What You'll Do:
- Develop and maintain advanced software tools to support calibration, validation, and rigorous testing of electromechanical and robotic systems across our product lines.
- Manage requirements and set expectations with cross-functional teams—including hardware, mechanical, and manufacturing engineers—to deliver testing solutions successfully and on time.
- Perform hardware modifications to printers and test setups to facilitate experimental processes.
- Own the full lifecycle of the test tools ecosystem, including design, validation, documentation, deployment, and ongoing maintenance.
- Use data science to analyze production lines and provide insights to the operations organization.
- Continuously improve our development and deployment processes to streamline software releases across our global factories.
About You:
- Experienced developing applications using Python, SQL and Linux
- Strong understanding of software integration with embedded systems and engineering of complex electromechanical systems
- Have a knack for creative solutions to difficult real world problems
- Ready to take features from initial concept through design and implementation
- Experience with robotics and Linux
- Bonus: experience working in manufacturing
Intern Benefits & Perks:
- Flexible Out of Office Plan – take time when you need it
- Salaried bi-weekly pay schedule
- Ample on-site parking & pre-tax commuter benefits
- Catered on-site lunches (3x per week), snacks, beverages, & treats
- Cohort-based social and professional development experience for interns
- Many opt-in culture events across our diverse community
- And of course… unlimited 3D prints
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
Even if you don't check every box, but see yourself contributing, please apply. Help us build an inclusive community that will change the face of 3D printing.
Software Development Engineer In Test Internship Market
Who's Hiring



Top Industries Hiring
- Technology & Software
- Manufacturing
Tips for Your Software Development Engineer In Test Internship Search
Apply in the fall for the following summer
Large tech and enterprise employers open software development engineer in test internship recruiting as early as August or September for summer cohorts. Smaller companies and co-op programs post closer to start dates, so openings appear year-round. Watching listings in the fall puts you ahead of candidates who start searching in January or February.
Build a test automation portfolio before you apply
Hiring teams for software development engineer in test interns expect limited work history, so a linked code repository is the artifact that gives recruiters something concrete to assess. Publish two or three projects showing automated test suites, bug reproduction scripts, or CI/CD pipeline work, with the frameworks and languages named in the README.
Combine campus fairs with direct applications
Campus career fairs surface structured internship programs tied to your university, and recruiters there often move faster for students they meet in person. Professors and career center staff frequently know which employers recruit from your school before roles post publicly. Applying directly to companies running smaller cohorts alongside campus activity widens the pool you reach.
Practice your technical screen out loud before applying
Software development engineer in test intern interviews typically include a coding screen covering data structures, algorithms, and debugging, plus questions on how you would design a test plan for a given feature. Practice solving problems out loud and explaining your reasoning, since interviewers weigh how you think through edge cases as much as whether you reach a correct answer.
Target structured SDET internship programs early
Many large technology employers run dedicated software development engineer in test cohort programs built to train candidates new to the role, assigning them to real product teams with mentors. These programs recruit early and fill fast because cohort sizes are fixed. Identify the companies running structured SDET programs and apply in the first wave of their recruiting cycle.
Set your work-type filter before you start
On-site roles are 44% of the software development engineer in test internships listed here. Decide what you can actually commit to before you start searching, then filter by location and work type on Migrate Mate so you are not sorting through roles that do not fit your situation.
Software Development Engineer In Test Internships: Frequently Asked Questions
How do I get a software development engineer in test internship?
Lead with coursework and personal projects rather than work history, since hiring teams expect limited experience at this level. The concrete artifact that gives recruiters something to assess is a linked code repository showing test automation work: unit tests, integration tests, or a CI/CD pipeline you built or contributed to. Pair direct applications with campus career fairs, where recruiters often move faster for students they meet in person.
Can a software development engineer in test internship turn into a full-time job?
Many employers extend return offers to strong interns, but conversion is never guaranteed. For software development engineer in test interns, what drives it most is delivering real quality impact on the team's codebase, the team having open headcount when you graduate, and expressing your interest in returning early. Perform well on actual work, ask your manager about the return-offer process, and keep your options open in parallel.
When should I apply for software development engineer in test internships?
Earlier than most candidates expect. Large tech and enterprise employers open summer internship recruiting the preceding fall, often as early as August or September. Smaller companies and co-op programs post closer to start dates, so openings appear year-round. Checking listings regularly and setting up alerts means you catch early-opening roles before they close.
Are software development engineer in test internships paid?
Most professional software development engineer in test internships in the U.S. are paid. Compensation varies by company size, industry, and location, and listings show it where the employer discloses it. Unpaid internships exist primarily at nonprofits and very early-stage startups, so reading each listing carefully tells you what to expect before you apply.
What should a software development engineer in test internship resume include?
Lead with two or three complete, documented projects rather than work history. For software development engineer in test candidates, the most useful proof is a linked code repository showing test automation frameworks, bug reproduction scripts, or CI/CD pipeline contributions, with the tools and languages named clearly. Add relevant coursework in software testing, algorithms, or quality assurance. Keep the whole resume to one page.
Are there remote software development engineer in test internships?
Yes. Remote and hybrid roles make up 56% of the software development engineer in test internship listings here, with the rest on-site. Remote cohorts fill fast because they draw applicants from across the country, so apply early and filter by work type to see them before they close.
What is a software development engineer in test (SDET) internship program at a large tech company?
Many large technology employers run structured SDET internship cohorts that explicitly target students with limited professional experience, pairing them with mentors and assigning them to real product teams. These programs recruit early, often in the fall for the following summer, and are competitive because cohort sizes are fixed. Identify the companies running these programs and apply in the first wave of their recruiting cycle.
Can international students get software development engineer in test internships?
Yes. F-1 students can intern through CPT while enrolled or through OPT work authorization after finishing a degree, and the employer does not have to file anything for either, so many companies are open to international interns. Confirm your eligibility and timing with your university's international student office before accepting an offer.
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