92 software internship jobs at 67 companies in Passaic, NJ

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Internship - Software Engineer
Austin or New York City
$5k-$6k/wk OnsiteInternship
Virtu Financial
Virtu FinancialNYSE: VIRT: Provides liquidity and trading technology to global financial markets.
Rising juniors or soon-to-be graduates in CS/EE with strong programming in Python plus Java or C++, quantitative skills, and ability to complete a HackerRank coding test.
Python, Java, C++, JavaScript, HackerRank
2w
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2027 North America Software Engineering Internship
Bellevue or Boulder or Denver or Irvine or New York or Seattle
$46-$62/yr HybridInternship
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
Enrolled in a Bachelor's or Master's program, expected to graduate 2027–2028; fluent in one or more object-oriented languages; strong data structures and algorithms; available to work 3 days in office (Tue–Thu).
1mo
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Junior Software Engineer
Bridgewater, New Jersey, United States
$64k-$83k/yr HybridFull Time
MetLife
MetLifeNYSE: MET: Global provider of insurance, annuities, and financial services.
Bachelor's in CS/IS/Engineering required; internship or project experience in software development or AI/ML; proficiency in at least one language (Java, Python, C#, JavaScript/TypeScript, COBOL); understanding of software design, databases, secure coding, and automated testing.
Java, Python, C#, JavaScript, TypeScript, COBOL, GitHub CoPilot, Azure DevOps, Docker, Kubernetes, Azure OpenAI, LangChain, Hugging Face, TensorFlow, Semantic Kernel
1d
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2027 Technology, Data, AI & Ventures Summer Internship Program - Software Engineer Intern
New York City, New York, United States
$30-$35/hr HybridInternship, Full Time
New York Life
New York Life: Provides life insurance, retirement income, and investment solutions.
Undergraduate or graduate student in a technical field (CS, AI, ML, SE, EE, math, physics), strong programming skills (C,C++,Java,C#), Linux/Windows proficiency, data structures and algorithms knowledge, authorized to work in the U.S., available full-time for an 11-week summer internship.
Linux/Unix, Windows, C, C++, Java, C#
2mo
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Software Engineer, AI Automation (Copy)
Brooklyn, New York, United States
$110k-$160k/yr HybridFull Time
Paces
Paces: Software to accelerate renewable energy and power project development.
Internship experiences building data-intensive software; deploying AI agents in production; proficient in Python and SQL; strong problem solving; comfortable with ambiguity.
Python, SQL, Agent SDK, Messages API, LangGraph, ETL, Database, Cloud
1w
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Full-Stack Software Engineer Internship (Summer 2027)
Stamford or Houston
OnsiteInternship, Full Time
Castleton Commodities International
Castleton Commodities International: Invests in and manages global energy and commodity assets.
Currently pursuing a BS/MS in CS/Engineering/MIS or related, strong Python skills (Pandas, NumPy), familiarity with Git, cloud (AWS), Kubernetes, Kafka, Snowflake, DevOps tools and data visualization (Streamlit).
Python, Pandas, NumPy, AWS, Snowflake, Kubernetes, Kafka, Git, Docker, Helm, CI/CD, Streamlit
2w
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Software Engineering Internship (C++ or Python) – Summer 2027
Austin or Chicago or New York City or Singapore or London
$6k/wk OnsiteInternship
Hudson River Trading
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
Full-time undergraduate student graduating 2028, programming experience in Python/C/C++, strong problem solving and communication skills, eligible for full-time roles in 2028.
Python, C, C++
2mo
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2026 Undergraduate - Leap: Software Engineer, Jersey City, NJ
Jersey City, New Jersey, United States
$71k-$134k/yr OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Pursuing or recently completed degree in Computer Science or Software Engineering; strong programming fundamentals and problem-solving; internship/project experience preferred.
APIs, Databases, Programming Languages, Messaging Systems, Frontend Frameworks
2mo
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Software Engineer Intern - Backend Focused - Winter 2027
New York or San Francisco or Seattle
OnsiteInternship, Temporary
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
Current undergraduate/graduate student in CS or related field, previous software engineering internship experience with Python, backend programming skills, strong communication and critical thinking.
Python, Slack, Microsoft 365
22h
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Software Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Currently pursuing BS/MS in computer/software engineering or related with anticipated graduation 2027–2029; full-time internship availability June–Aug; U.S. work authorization required; 3.0 GPA preferred; experience with programming/projects preferred.
C, C++, C#/.NET, SQL, JavaScript, Java, Python, Swift, HTML/CSS, Microsoft Visual Studio, Jenkins, GitLab
2w
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Summer Intern 2027 - Software Developer
New York City, New York, United States
$300k/yr OnsiteInternship
Five Rings
Five Rings: Proprietary trading firm developing quantitative strategies for global markets.
Internship requiring Python proficiency (required), C or C++ and Linux preferred; strong communication and analytical skills; summer program participation.
C, C++, Linux, Python
1mo
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Software Engineering Intern — Fall 2026
New York City, New York, United States
$40/hr OnsiteInternship, Full Time
Junior
Junior: AI-powered research tools for private equity investors.
0+ YOEPursuing a Computer Science or related degree; comfortable with TypeScript/JavaScript and Next.js; curious about LLMs; strong communication skills; previous internship experience is a plus.
LLMs, Next.js, TypeScript, JavaScript, MacBook
2mo
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Co-Op, Software Engineer - Action Runtime
San Francisco or New York City or Seattle or Little Rock
$31-$49/hr OnsiteFull Time, Internship
LiveRamp
LiveRampNew York Stock Exchange: RAMP: Provides a platform for secure data collaboration and identity.
Pursuing or completed a CS/STEM degree, strong coding skills, readiness to commit production code, willingness to learn; internships 12–24 weeks with mentor and orientation training. Bonus: Java, big data, cloud, Kubernetes, React, TypeScript.
Java, Core Java, Hadoop, Spark, SingleStore, GCP, AWS, Azure, Kubernetes, Cadence, Scala, React, Ruby on Rails, Node.js, TypeScript, Express.js
1mo
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Software Engineer
Plano or Dallas or New York City
HybridInternship
Wiliot
Wiliot: IoT platform providing battery-free sensor tags and cloud intelligence.
3+ YOE3–6 years backend or full‑stack experience; strong Python; cloud platform experience (AWS, Azure, or GCP); Apache Spark; REST APIs, microservices, and databases; CI/CD and testing experience.
Python, AWS, Azure, GCP, Apache Spark, PostgreSQL, MongoDB, DynamoDB, Docker, Kubernetes, Databricks
3w
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Software Engineer
New York, New York, United States
$300k/yr OnsiteInternship
Jane Street
Jane Street: Global quantitative trading firm and liquidity provider.
Top-notch programmer, intellectually curious and collaborative; will learn OCaml (primary) and may use Python; paired with mentors on production projects.
OCaml, Python
3mo
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Software Engineering Intern (Fall 2026)
New York, New York, United States
$50/hr HybridInternship
Gemini
GeminiNasdaq: GEMI: Regulated platform for trading and storing digital assets.
Pursuing CS/CE or related degree; interest in blockchain/Web3; strong software fundamentals; proactive; good communication; open to feedback.
2mo
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Software Engineer II, Developer Experience
Livingston or New York or Bellevue or San Francisco or Sunnyvale
$109k-$204k/yr HybridAll Commitments Available
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
2+ YOE2+ years of software engineering; Go or Python; cloud-native services; Kubernetes basics; CI/CD; interest in AI-powered tooling.
Go, Python, Kubernetes, CI/CD, Cloud
3w
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Software Engineer Intern
Woodcliff Lake or Canada
$15-$22/hr OnsiteInternship
Ather Audio
Ather Audio: Develops enterprise-grade audio software for mission-critical voice communications.
Pursuing or holding a computer science-related degree; proficiency in at least one language (C/C++, C#, TypeScript); ability to handle confidential information and strong communication skills.
C/C++, C#, TypeScript, REST, gRPC, Protobuf
1mo
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Software Engineer, Intern
New York, New York, United States
$55k/hr OnsiteInternship
Breaking Ground
Breaking Ground: Provides supportive housing and social services to homeless populations.
High school diploma or equivalent; experience building and maintaining web applications; proficiency in C#, JavaScript, Python, SQL, SQL Server, ASP.NET MVC, Git, and Microsoft Azure; MS Office skills and strong communication.
C#, JavaScript, Python, SQL, SQL Server, ASP.NET MVC, Git, Microsoft Azure, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams
1d
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Software Engineering Intern
New York City, New York, United States
$11k/mo OnsiteInternship
Melius
Melius: AI-native creative canvas for agents to generate visual content.
Pursuing CS degree or equivalent, experience with TypeScript and LLMs/agent frameworks, familiarity with CRDTs and real-time systems, strong communication and product focus.
Next.js, CRDT, NestJS, MikroORM, Postgres, Temporal, Turbopuffer, TypeScript, React Flow, Yjs, LLMs