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116 software intern jobs at 89 companies in Union, NJ

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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.
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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
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1w
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Software Engineering Intern (Summer 2027)
New York City, New York, United States
$4k-$6k/wk OnsiteFull Time
Quadrillion Labs
Quadrillion Labs: Building an agentic research intelligence platform for computational analysis.
Current undergraduate at a US or Canadian university; strong engineering skills in Python or React; full-stack or backend experience; ability to move quickly in zero-to-one environments.
Python, React
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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
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1w
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Summer 2027 Software Engineering Intern
New York, New York, United States
$180k/yr OnsiteInternship
PDT Partners
PDT Partners: Systematic hedge fund using quantitative models for global trading
Current bachelor’s, master’s, or PhD student in a rigorous technical field; strong programming, data structures, and algorithms; communication and problem-solving skills.
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1d
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Software Engineering Intern [Spring/Summer 2027]
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; strong TypeScript skills; experience with LLMs/agents, CRDTs, and frontend/backend frameworks; built real projects or shipped product work.
Next.js, CRDT, NestJS, MikroORM, Postgres, Temporal, Turbopuffer, TypeScript, React Flow, Yjs, LLMs
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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
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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
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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
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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#
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1w
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Staff Software Engineer
Redwood City or New York City or Munich
$212k-$285k/yr HybridFull Time
Celonis
Celonis: Provides process mining software for business process optimization.
8+ YOEBS in Computer Science, 8+ years software engineering experience, strong background in database internals and large-scale data systems, proficiency in C++ (17), analytical and problem-solving skills.
C++ (17), Starrocks, ClickHouse, Process Intelligence Graph
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Software Engineer, Services Platform
San Francisco or New York
OnsiteFull Time
Cursor
Cursor: AI-powered code editor for professional software developers.
Experience building internal developer platforms, durable workflow orchestration (Temporal preferred), deployment tooling/CI-CD, service ownership, and strong software engineering fundamentals.
Temporal, CI/CD
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2w
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Software Engineer Team Lead
Austin or New York or San Francisco or Seattle
$269k-$335k/yr OnsiteFull Time
Fluidstack
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.
Go, TypeScript, Python
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2d
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Senior Software Engineer, Agent Platform
New York, New York, United States
$145k-$225k/yr OnsiteFull Time
ShopMy
ShopMy: Platform connecting creators and brands for curated social commerce.
5+ YOE5+ years professional software engineering experience; strong TypeScript/Node.js skills; experience with relational databases, AWS deployment, LLMs/agents, API design, and internal platforms.
TypeScript, Node.js, NestJS, Postgres, React, AWS, ECS, ALB, CloudFormation, CloudWatch, Temporal, LangGraph, Claude Agent SDK, Claude Code, Cursor, MCP, Linear, Slack, GitHub, Notion
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Senior Software Engineer - AI Tooling
San Francisco or New York City
$191k-$263k/yr HybridFull Time
Plaid
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.
Retool, Scaffold
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Principal Software Engineer - Environments Engineering
Palo Alto or New York City or Jersey City
$204k-$285k/yr OnsiteFull Time
JPMorgan Chase
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.
Istio, Linkerd, Kubernetes, EKS, Go, Rust, Java, Terraform, Ansible, Oracle, Kafka, Cassandra, MongoDB, CockroachDB, DynamoDB, PostgreSQL, Jenkins, Spinnaker, GitHub Actions, Argo CD, Backstage
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2mo
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Technology Intern (Summer 2027)
New York, New York, United States
$14k/mo OnsiteMultiple Commitments Available
Walleye Capital
Walleye Capital: Multi-strategy investment firm specializing in quantitative and volatility strategies.
0+ YOEUndergrad or non-MBA master’s in CS/engineering; strong programming, analytical skills; interest in AI; self-motivated, adaptable; collaborative and detail-oriented.
Programming, AI tools
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2w
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Senior Software Engineer - Frontend Developer Experience
San Francisco or New York City or Portland or Canada or United States
$201k-$251k/yr HybridFull Time
Mercury
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.
React, TypeScript, Vite, CI/CD
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1mo
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PT Pharmacy Intern - Pharmacy - 0546
Port Washington, New York, United States
$15-$20/hr OnsitePart Time
Stop & Shop
Stop & Shop: Operates a chain of retail grocery supermarkets.
Current pharmacy student eligible to be a pharmacy intern, valid pharmacy intern license in good standing, ability to administer vaccinations, willing to work flexible schedule including evenings and weekends, customer service and dispensing software experience.
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3w
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Member of Technical Staff (Software Engineer, Agentic Enterprise)
San Francisco or Seattle or New York City
$220k-$405k/yr OnsiteFull Time
Perplexity
Perplexity: AI-powered search engine providing conversational answers with citations.
4+ YOE4+ years software engineering experience, daily use of AI models/tools, proficiency with Python and familiarity with TypeScript and Go, experience building platforms for enterprise/internal users.
Python, TypeScript, Go, MCP
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