21 software developer internship jobs at 9 companies in Middletown, DE

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Software Developer | C++ | Prediction Markets | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteMultiple Commitments Available
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
Proficient in C++ with software development experience in finance or prediction markets.
C++, Software Development
1mo
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Software Engineer in Test
United States or Philadelphia
HybridFull Time
Bainbridge Health
Bainbridge Health: Provides medication safety and pharmacy data analytics software for hospitals.
Bachelor's degree in a relevant field; knowledge of JavaScript, Python, and SQL; detail-oriented; quick learner; strong communication; exposure to Golang, Git, CI/CD; internship or project experience in software quality.
JavaScript, Python, SQL, Golang, Git, CI/CD
3mo
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Quantitative Strategy Developer Internship: Summer 2027
Bala Cynwyd, Pennsylvania, United States
OnsiteInternship, Full Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm specializing in proprietary financial markets.
Enrolled in CS/CE/Math or related STEM; bachelor's or master's; start full-time by Aug 2028; strong Python and a compiled language; experience with Pandas/Polars/NumPy; visa sponsorship available.
Python, C++, Pandas, NumPy, Polars
6d
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Software Developer Intern- Drexel Co-op US
Philadelphia, Pennsylvania, United States
$53k-$88k/yr HybridInternship, Full Time
AVEVA
AVEVA: Industrial software for engineering and operational performance management.
Currently enrolled in a BS/MS/PhD in CS or related, GPA≥3.0, software development experience in modern languages, U.S. work authorization required, drug screen and background check required.
C++, C#, HTML, JavaScript, Agile
2w
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Quantitative Strategy Developer Internship: Summer 2027
Hong Kong or Philadelphia
OnsiteInternship
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
Must be a Hong Kong or Singapore university student graduating in 2028, enrolled in CS/CE/math or related STEM, strong software skills in C#, C++, or Python; numerical/HPC and performance-sensitive coding experience a plus.
C#, C++, Python
2mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteMultiple Commitments Available
Best Egg
Best Egg: Provides personal loans and credit cards for prime borrowers.
4+ YOE4-6 years professional software engineering; strong backend Java and Python; SQL/data modeling; AWS; DynamoDB, RDS, PostgreSQL; CI/CD; Docker; ECS/EKS; CloudWatch/Datadog; excellent communication and collaboration.
AWS, Docker, Kubernetes, ECS, EKS, CloudWatch, Datadog, DynamoDB, RDS, PostgreSQL, DocumentDB, CI/CD
3mo
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Software Development Manager - Modernization
Camden or Conshohocken
$160k-$180k/yr HybridAll Commitments Available
United States Cold Storage
United States Cold Storage: Provides temperature-controlled warehousing and cold chain logistics services.
10+ YOE5+ Mgmt10+ years software development; 5+ years of engineering leadership; BS in CS/Engineering; MS preferred; modernize monoliths to microservices; Azure cloud; architecture and leadership experience.
Azure, Java, Spring, Hibernate, Oracle, Terraform, Ansible, GitHub Actions, Dynatrace, Azure Monitor
3d
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2027 Technology and Data Internship
Baltimore or Owings Mills or Maryland or Colorado or Washington or Washington or New York or California
$25/hr HybridFull Time
T. Rowe Price
T. Rowe PriceNASDAQ: TROW: Provides global investment management and retirement planning services.
Full-time bachelor\u0002seeking student (grad 12/2027\u000205/2029) in CS/CE/Math/Engineering/Physics/Data Science; familiar with Python, SQL, Java; interest in AI; strong analytical and communication skills.
Python, SQL, Power BI, Java, JavaScript, Git, CI/CD, Docker, iOS/Swift, Android/Java, Apple Testflight, Google Firebase, Amazon Web Services, Linux, ChatGPT, Microsoft Copilot
1mo
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Computer Engineer - Firmware/Software (Full-Time & Intern Positions)
Baltimore, Maryland, United States
$90k-$105k/yr OnsiteFull Time, Internship
Key Tech
Key Tech: An engineering that designs medical devices and provides a collaborative, employee-owned workplace.
0+ YOEOpen to interns and full-time applicants with 0–5 years experience; developing embedded algorithms, designing embedded architectures, and testing code for medical devices.
3mo
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Bridge Engineer
Philadelphia or Plymouth Meeting
OnsiteMultiple Commitments Available
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
5+ YOEBachelor's degree; 5+ years bridge design experience; PE license; proficient with Bluebeam Revu and multiple structural software packages.
Bluebeam Revu, LEAP Bridge Enterprise, FB-MultiPier, LPile, AASHTOWare BrR, midas Civil, MDX, SAP2000, Cs iBridge, RM Bridge, spColumn, STLBridgeLRFD, STLBridge, ADINA, LUSAS, Bentley OpenBridge Designer, OpenBridge Modeler, Autodesk Infraworks, Civil3d, Microsoft Office, MicroStation, AutoCAD, MathCAD, LARSA, Prestress Concrete Design
2mo
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Growth Marketing & AI Co-Op (6-Month Duration)
Philadelphia or Los Angeles
RemoteMultiple Commitments Available
True
True: A talent management platform providing executive search and recruitment technology.
0+ YOEExperience building workflow automations, API integrations, and AI tools; comfortable with marketing, data analysis; US remote work; 6-month commitment.
n8n, Clay, Claude Code, APIs, Slack, CRM