21 backend engineer intern jobs at 16 companies in Greenburgh, NY

3mo
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
6d
Save
Mark Applied
Hide
Software Engineer(Intern)- Backend
Bengaluru or New York City or Singapore or London
HybridInternship
Merkle Science
Merkle Science: Provides blockchain transaction monitoring and predictive risk intelligence solutions.
Final-year 2027 B.Tech, B.E., or dual-degree student from IIT, NIT, or IIIT in CSE, IT, or a related branch, with strong Python, backend, database, API, Git, and DSA skills.
Python, Django, FastAPI, PostgreSQL, Redis, REST, Git, ClickHouse, Docker, Celery, Kafka, RabbitMQ, GitHub Copilot, Claude, Cursor
1w
Save
Mark Applied
Hide
Software Engineering Intern (Front End or Back End)
New York City or United States
RemoteMultiple Commitments Available
Zant
Zant: High-performance coaching platform for leaders, founders, and funds.
Pursuing or holding a BS/MS in computer science, engineering, or related field; front-end or back-end specialization; comfortable with Cursor and Xano; strong communication, documentation, and problem-solving skills.
Cursor, Xano
3mo
Save
Mark Applied
Hide
Senior Software Engineer | GTM Platform, Backend
New York City, New York, United States
$200k-$310k/yr HybridFull Time
Ramp
Ramp: Financial operations platform for corporate cards and spend management.
4+ YOE4+ years product engineering, building internal tools/platforms; strong product instincts; comfortable with AI/LLM workflows; velocity and ownership; cross-functional empathy.
Next.js, Sanity CMS, Python, TypeScript, AI/LLM tooling
2d
Save
Mark Applied
Hide
后端开发(社交互动方向)实习生 - TikTok直播
Shenzhen or Beijing or Shanghai or Hangzhou or Guangzhou or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
OnsiteInternship
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Current bachelor's student or above, preferably in computer science; proficient in at least one programming language; strong foundations in algorithms, operating systems, networks, databases, and software engineering.
Java, C, C++, PHP, Python, Go
1mo
Save
Mark Applied
Hide
Senior Engineer, Internal Projects
New York City, New York, United States
$185k-$235k/yr OnsiteFull Time
Clark
Clark: AI-powered trust infrastructure for audit and accounting firms.
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
1d
Save
Mark Applied
Hide
Full-Stack Developer Intern
Secaucus, New Jersey, United States
OnsiteFull Time
Advanced Warehouse
Advanced Warehouse: Provider of 3PL fulfillment, warehousing, and logistics solutions.
Computer science or software engineering bachelor's study or equivalent; familiarity with backend languages, REST APIs, data structures, and SQL; strong problem-solving and communication skills.
Warehouse Management System (WMS), Python, Node.js, C#, Java, REST APIs, SQL
1d
Save
Mark Applied
Hide
AI Full Stack Engineer Intern
Denver or New York City
$400-$1k/mo OnsiteFull Time, Internship
Gesture
Gesture: AI-driven platform for tangible gifting and product marketing.
Pursuing a computer science or software engineering degree; experience with LangChain or LangGraph, frontend/backend development, REST APIs, databases, Git, and strong problem-solving skills.
LangChain, LangGraph, Firebase, Express, React, Node.js, Google Cloud Platform (GCP), Python, REST APIs, Git
2mo
Save
Mark Applied
Hide
Intern Conversion: Software Developer
Poughkeepsie or Lowell or Durham or Bellevue or San Jose or Dallas
$88k-$152k/yr HybridFull Time, Internship
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Must be currently enrolled in a Bachelor’s or Master’s in Computer Science or related field, available for an in-person full-time co-op (Jan–Jun 2026). Familiarity with HTML, CSS, JavaScript, React/Angular/Vue, backend tech (Node.js/Java/Python/SQL), Git/IDEs, APIs, containers, and cloud platforms. Must be able to work without visa sponsorship.
HTML, CSS, JavaScript, React, Angular, Vue, Node.js, Java, Python, SQL, Git, IDEs, APIs, IBM Cloud, AWS, Microsoft Azure, Linux, Unix, GO, NodeJS, Eclipse, Microsoft Visual Studio Code, PostgreSQL, MySQL, Db2, Oracle, SQL Server, Jenkins, Puppeteer, Selenium, Playwright, Cypress, Travis, REST API
2w
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
Staff Engineer, Query Optimization
United States or New York City or Dublin or Seattle or Palo Alto or Chicago or North America
$151k-$297k/yr RemoteFull Time
MongoDB
MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.
10+ YOE10+ years in data management, distributed systems, or backend engineering; production C++ or systems programming experience; database internals expertise; computer science degree or equivalent practical experience.
C++, MongoDB Query Language, AWS, Google Cloud, Microsoft Azure
1w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Senior Fullstack Engineer
New York, New York, United States
$112k-$180k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
6+ YOE6+ years building internal/enterprise web apps; strong front-end (React, TypeScript, Next.js), backend Python with async frameworks (FastAPI), REST/JSON, and SQL; experience with job orchestration, long-running workflows, and cloud data platforms.
React, TypeScript, Next.js, Python, FastAPI, REST APIs, JSON, SQL, Databricks, AWS, Google Cloud, CI/CD, Genie
2w
Save
Mark Applied
Hide
Senior Software Engineer - AI, CoCounsel International
Eagan or Frisco or New York City or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$110k-$204k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
4+ YOE4+ years backend engineering experience with Python, FastAPI, PostgreSQL, AWS; production agentic AI and LLM integration experience; strong debugging, architecture, and collaboration skills.
Python, FastAPI, PostgreSQL, AWS, OpenAI, Anthropic
1w
Save
Mark Applied
Hide
UX Design Engineer, Content Tooling
San Francisco or Sunnyvale or Seattle or New York City
$124k-$260k/yr OnsiteFull Time
DoorDash
DoorDashNYSE: DASH: Local food delivery and on-demand logistics platform.
5+ YOERequires 5–8 years building complex internal tools or platforms, strong React and TypeScript/JavaScript skills, backend experience, experimentation and infrastructure integrations, and cross-functional design collaboration.
React, JavaScript, TypeScript, Kotlin, Java, GPT, LLMs, A/B testing, feature flags
1mo
Save
Mark Applied
Hide
Manager I, Engineering - Change Experience Platform
Boston or New York City or Texas or North America
$187k-$240k/yr HybridFull Time
Datadog
DatadogNASDAQ: DDOG: Observability and security platform for cloud applications and infrastructure.
Experience managing engineers on internal/platform tooling; strong technical judgment in distributed systems; hands-on with backend languages (Go, Python, Java) and datastores; frontend/product fluency; BS/MS/PhD or equivalent experience.
Go, Python, Java, PostgreSQL, Cassandra, Redis, Elasticsearch