84 software developer intern jobs at 70 companies in Passaic, NJ
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
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).
Latent Defense: Building autonomous AI-driven threat modeling systems for cybersecurity.
0+ YOEInternship seeking engineers who think systemically; comfortable prototyping across the stack with TypeScript, Python, PostgreSQL; familiar with Docker/Kubernetes.
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.
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
Citadel Securities: Global market maker providing liquidity for financial markets.
Degree in computer science or related field, strong programming and design skills, analytical background in probability/statistics, and effective communication for technical teamwork.
Metropolitan Transportation Authority: Operates public transportation systems in the New York region.
Internship requiring software development basics, MS Office, analytical and communication skills, ability to work onsite, GPA 2.8, pursuing computer/engineering field.
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.
Cape: A privacy-first mobile carrier providing secure cellular network services.
Experience owning CI/CD and build infrastructure, internal developer tooling, local development environments, AI-assisted development, and platform reliability/security (FedRAMP-adjacent). Strong cross-team collaboration and documentation skills.
AsanaNYSE: ASAN: Software platform for team project management and workflow automation.
3+ YOE3+ years working in large codebases; experience building developer tools, IDE/editor/CLI integrations, or internal platforms; hands-on with AI-assisted development tools; strong systems design and technical judgment.
Plaid: Provides financial data connectivity and payment infrastructure via APIs.
5+ YOE5+ years professional software engineering experience; proven production systems experience; internal tools/platform building; strong product judgment; hands-on experience with AI development tools or agents.
Custom Computer Specialists: Provides managed IT and cybersecurity services for organizations.
Pursuing or recently completed degree in CS/SE/IS; strong Java; SQL knowledge; detail-oriented; good communication; on-site 20 hrs/week; 10–12 weeks; starting May 2026; SSRS and MS SQL Server preferred.
Principal Software Engineer - Environments Engineering
Palo Alto or New York City or Jersey City
$204k-$285k/yrOnsiteFull Time
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
15+ YOE15+ years software engineering experience building internal developer platforms or environment-as-a-service; expertise in Kubernetes/EKS, service mesh traffic isolation, infrastructure-as-code, hybrid infrastructure, and platform adoption at scale.
San Francisco or New York City or Portland or Canada or United States
$201k-$251k/yrHybridFull Time
Mercury: Banking services and financial software designed for startup companies.
6+ YOE6+ years frontend software experience with deep React and TypeScript knowledge; experience leading cross-team engineering projects and maintaining internal libraries; strong communication and observability skills.
Intern, Software Engineer, Banking Automation & AI
New York City, New York, United States
$40/hrOnsiteInternship
Wedbush Securities: Full-service investment firm and financial services provider.
Pursuing a Bachelor's degree; strong AI/Claude Code skills; proficient with Microsoft Office; detail‑oriented; strong communication and analytical skills; ability to manage multiple projects.
Claude Code, AI development tools, Microsoft Office
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Lead a small engineering team while remaining hands-on in production code; hire and grow engineers; build internal tools and operational software; make rapid prioritization decisions.
Quadrillion Labs: Building an agentic research intelligence platform for computational analysis.
Current undergraduate student at a US or Canada university; strong engineering skills in Python or React; able to ship product changes, fix bugs, and build features; in-person work in NYC.
Software Engineer, Developer Platforms and Generative AI
New York, New York, United States
$110k-$130k/yrHybridFull Time
The New York TimesNYSE: NYT: Publishes global journalism, digital subscriptions, and lifestyle media products.
3+ YOE3+ years building cloud-native applications (Go), 1–2 years improving developer experience or internal platforms, 1–2 years with AWS or GCP, 1+ year using GenAI tools, plus strong communication and problem-solving.
Go, Golang, GitHub Copilot, Cursor, Claude Code, litellm.ai, DataDog, DX, FinOut, Amazon Web Services, Google Cloud Platform, Kubernetes, EKS
Austin or Menlo Park or Washington or New York City
$171k-$240k/yrOnsiteFull Time
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
8+ YOEBachelor's degree or equivalent,8+ years building and shipping full‑stack projects,experience scaling internal tooling and driving multi‑team technical roadmaps,ability to communicate across global teams.