HiringCafe
Join our community

127 software intern jobs at 104 companies in Brooklyn, NY

3mo
Save
Mark Applied
Hide
Software Engineer Intern
New York City, New York, United States
HybridInternship
Latent Defense
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.
TypeScript, Python, PostgreSQL, Docker, Kubernetes
Job PostingView all
3w
Save
Mark Applied
Hide
Software Engineering Intern
New York City, New York, United States
$30k-$60k/yr OnsiteInternship, Full Time
Quadrillion Labs
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.
Python, React
Job PostingView all
2mo
Save
Mark Applied
Hide
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.
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
Software Engineer – Intern (US)
New York or Miami
$5k-$6k/wk OnsiteInternship
Citadel Securities
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.
Job PostingView all
1w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Analyst / Developer, Emerging Talent Intern (Fall)
New York, New York, United States
$21/hr OnsiteInternship
Metropolitan Transportation Authority
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.
Microsoft Office
Job PostingView all
2mo
Save
Mark Applied
Hide
Intern, Software Engineer, Banking Automation & AI
New York City, New York, United States
$40/hr OnsiteInternship
Wedbush Securities
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
Job PostingView all
3mo
Save
Mark Applied
Hide
Principal Software Engineer
New York City, New York, United States
$204k-$337k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
12+ YOELead software engineering with 12+ years of experience; cloud platforms (AWS, Azure); internal developer portal; Kubernetes; web services; strong communication.
Node.js, Java, C#, Kubernetes, AWS, Azure
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all
4d
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Developer Intern
Hauppauge, New York, United States
$20/hr OnsiteMultiple Commitments Available
Custom Computer Specialists
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.
Java, SQL, SSRS, MS SQL Server, REST APIs
Job PostingView all
1mo
Save
Mark Applied
Hide
AI Intern
New York City or Miami or United States
HybridPart Time, Internship
Steel Partners
Steel Partners: A diversified holding providing industrial manufacturing and energy services.
Pursuing or recently completed Bachelor's/Master's in CS/Data Science/Engineering/Info Systems, hands-on AI/ML and LLM API experience, Python/JavaScript and REST API proficiency, strong analytical and communication skills.
AI/ML frameworks, LLM APIs, OpenAI, Anthropic, Google, Python, JavaScript, REST APIs, cloud services
Job PostingView all
6d
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Engineering Intern — Summer/Fall 2026
New York City, New York, United States
$8k-$12k/mo OnsiteInternship
Revise Robotics
Revise Robotics: Building automated robotic systems to refurbish used laptops.
Intern with strong passion for robotics; demonstrated ability to build or reverse-engineer hardware/software; comfortable in hands-on environments.
Job PostingView all

Explore Jobs

Expand Your Job Search