17 full stack intern jobs at 14 companies in Harrison, NY
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Full Stack Software Engineer Intern - Winter 2027
San Francisco or New York City or Seattle
OnsiteInternship, Temporary
Currently enrolled in a Bachelor's or Master's in CS or related field, previous software engineering internship/Co-op experience (backend with Python; frontend with JavaScript, HTML/CSS), strong communication and problem-solving skills, graduation after internship.
Python, JavaScript, HTML, CSS, Slack, Microsoft 365
2mo
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Full Stack Engineer (C#/React)
New York, New York, United States
$101k-$134k/yr OnsiteFull Time
3+ YOE3+ years React (TypeScript/JavaScript); 3+ years C#; 2+ years T-SQL; 2+ years source control (Perforce preferred); knowledge of web development best practices and Agile; strong communication in international team.
C#, React, TypeScript, JavaScript, MSSQL, Perforce, T-SQL, Redis, MongoDB, Elasticsearch, npm, NuGet
2mo
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Full Stack Software Engineer Intern - Winter 2027
San Francisco or New York City or Seattle
OnsiteMultiple Commitments Available
Currently enrolled in a Bachelor's or Master's in CS or related; previous internship/co-op experience; backend experience with Python and frontend experience with JavaScript and HTML/CSS; strong communication skills.
Python, JavaScript, HTML/CSS, Slack, Microsoft 365
2mo
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Full Stack Software Engineer Intern - Winter 2027
San Francisco or New York City or Seattle
OnsiteInternship
Currently enrolled in a Bachelor’s or Master’s in CS or related field; prior internship/Co-op experience; backend experience with Python and frontend with JavaScript and HTML/CSS; strong communication and problem-solving skills.
Python, JavaScript, HTML/CSS, Slack, Microsoft 365
2mo
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Engineering Intern (Fall)
New York, New York, United States
$2k-$3k/wk OnsiteInternship
Pursuing a CS-related degree, strong programming fundamentals, track record of shipping projects, full-stack ability, product instincts, and high autonomy.
1w
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Software Engineering Intern (Summer 2027)
New York City, New York, United States
$4k-$6k/wk OnsiteFull Time
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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Senior Engineer, Internal Projects
New York City, New York, United States
$185k-$235k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience; experience building internal tools, automation, or AI applications; strong full‑stack/backend fundamentals; experience with LLMs, agents, integrations, and product sense.
LLMs, Slack, CRM, Linear
2mo
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Engineering Manager: Core Applications Platform
New York City, New York, United States
$172k-$226k/yr HybridFull Time
5+ YOE1+ Mgmt5+ years full-stack engineering experience, 1+ year people-leadership experience, bachelor’s degree or equivalent, experience with internal platforms, strong communication, architecture and team-building skills.
TypeScript, Node.js, React, Go, Python, PostgreSQL, AWS, Datadog, Git, PLC, SCADA, HMI, Rockwell Automation, Siemens, Beckhoff, Wago, Codesys, Lenze, Schneider Electric, ABB
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Software Developer, GO Systems
Austin or Menlo Park or Washington or New York City
$171k-$240k/yr OnsiteFull Time
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.
PHP, Hack, JavaScript, React
1mo
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Developer Workplace Integrations
New York, New York, United States
$110k-$140k/yr HybridFull Time
Experience building internal tools and API-first integrations; strong full‑stack skills with Node, TypeScript/JavaScript, client frameworks (Vue, React, Angular); CI/CD and cloud (AWS/Azure/GCP) experience; Agile and security awareness.
Node, TypeScript, JavaScript, Vue.js, React, Angular, Slack, GitHub Actions, Jenkins, AWS, Azure, GCP
2w
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Sr. Software Engineer - Internal Apps
New York, New York, United States
OnsiteFull Time
5+ YOE5+ years building production full-stack web applications; strong Python, TypeScript/React, GCP, SQL and AI/LLM production experience; CI/CD and observability skills.
Python, FastAPI, Flask, React, TypeScript, GCP, App Engine, Cloud Run, GKE, IAM, SQL, BigQuery, Vertex AI, SageMaker, Anthropic’s Claude, OpenAI, Google, Claude Agent SDK, LangGraph, dbt, Airflow, Terraform
1w
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Member of Technical Staff (Software Engineer, Enterprise Adoption)
San Francisco or Seattle or New York City
$220k-$405k/yr OnsiteFull Time
4+ YOE4+ years software engineering experience, familiarity with enterprise/internal platforms, daily use of AI tools, proficiency with Python and modern agent stacks; strong product judgment and communication.
Python, TypeScript, Go, MCP
1w
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Product Engineer (Internal tools & apps)
London or Antwerp or New York City
£90k-£110k/yr HybridFull Time
5+ YOE5+ years building full-stack applications and tooling, AI-native experience with LLM APIs and prompt engineering, strong API and UX skills, client-facing product delivery, excellent English communication.
Slack, React, TypeScript, Vercel, AWS, Supabase, BigQuery, LLM APIs, Node.js
1w
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GTM Engineer (GTM Automations)
Austin or Chicago or New York City or Salt Lake City or San Francisco
$100k-$145k/yr OnsiteFull Time
2+ YOE2+ years building automations or internal tools, experience shipping code (Python or TypeScript), familiarity with automation platforms and GTM stack, AI/LLM experience, strong commercial instinct and documentation skills.
Workato, Zapier, n8n, Salesforce, Clay, Snowflake, dbt, Gong, Python, TypeScript, Claude Code, Codex
1mo
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Staff Software Engineer, Internal Tools
New York City or San Francisco or Los Angeles
$227k-$325k/yr HybridFull Time
8+ YOE8+ years software engineering experience; deep distributed systems expertise; strong full‑stack skills with Node.js/TypeScript, React/TypeScript, PostgreSQL/Drizzle ORM, and Python; experience integrating LLMs/AI into production systems.
Node.js, TypeScript, Express, React, PostgreSQL, Drizzle ORM, Python, OpenAI, Google Gemini, Claude Code, Codex, Cursor, MCP, LLM
2w
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INTERNATIONAL PRODUCT MANAGER
Parsippany, New Jersey, United States
$95k-$110k/yr HybridFull Time
2+ YOE2+ years product innovation or consumer goods experience; bachelor’s in business/engineering/marketing; project management, factory engineering collaboration, analytics and stakeholder influence skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Nielsen's, NPD, Stackline
2w
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INTERNATIONAL PRODUCT MANAGER
Parsippany, New Jersey, United States
$95k-$110k/yr HybridFull Time
2+ YOEBachelor's degree,2+ years product/innovation experience in consumer goods,project management,analytics,factory collaboration,and proficiency with MS Office and NPD/Stackline tools.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, NPD, Stackline, AI design & analysis tools
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