70 backend software intern jobs at 53 companies in United States
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
PlusMinusOne: Develops and markets a portfolio of utility and lifestyle apps
0+ YOE3rd/4th-year CS or engineering student with backend interest; hands-on backend experience via coursework/projects/internships; OOP, data structures, algorithms, and Git familiarity; strong analytical and communication skills.
Delsys: Designs and manufactures advanced wearable electromyography and physiological sensors.
Currently enrolled or recently graduated in CS/CE or similar; fluent in Java, C#, or C++; strong OOP and back-end development experience for Windows or Linux; wearable sensor experience useful; must show valid work eligibility.
HeadSpin: AI-powered digital experience testing and monitoring platform.
4+ YOEJava backend developer with database and performance focus; 4-5 years experience; remote collaboration with international team; backend services and data modeling responsibilities.
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.
Kraków or United States or United Kingdom or Ireland or Poland or Germany or Australia
RemoteFull Time
Whatnot: Social marketplace for buying and selling via live streams
5+ YOE5+ years software engineering experience; strong backend and distributed systems skills; production service design and scaling; proficiency in Python or Go; experience with relational databases and event-driven architectures.
TikTok: Global short-form video hosting and social media platform.
Currently pursuing a Bachelors or Masters in CS or related field, able to commit to a 12-week Summer 2026 internship, experience with Python/Java/Golang/C#/C++, strong problem-solving and communication skills.
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.
GenBio AI: Developing AI foundation models to simulate and program biology.
0+ YOECurrently enrolled in a full-time Master’s or Ph.D program; strong CS fundamentals; frontend React/TypeScript; backend with FastAPI; self-starter in fast-paced startup.
Strong Python and Docker skills, good understanding of data structures/algorithms and backend development; familiarity with APIs, databases, and machine learning workflows; strong problem-solving and collaboration skills.
iHerb: Global e-commerce retailer of health and wellness products.
Pursuing BS/MS in CS or related field; proficiency in C# or Java; backend/API or frontend experience; familiarity with REST, messaging, CI/CD, containers; strong communication and troubleshooting skills.
Viridien: Provides geoscience services, earth data, and seismic equipment.
Strong Python and Docker skills, solid fundamentals in data structures and algorithms, backend development familiarity, ability to work across domains, problem-solving, and attention to detail; Kubernetes, cloud, and ML exposure preferred.
Whova: All-in-one platform for event management and attendee engagement.
Currently enrolled as a junior/senior, master’s, or doctoral student in a computer science/engineering field; strong understanding of data structures, algorithms, and computer systems.
JavaScript, TypeScript, HTML, CSS, REST APIs, Front-end development, Back-end development
Cohere: Provides enterprise-grade large language models and AI software platforms.
Enrolled in a post-secondary program; available for a full-time 3-6 month internship; remote; roles across frontend, backend, full-stack, and infrastructure.
Chasi: AI revenue engine for construction equipment dealers.
1+ YOE1+ internships in production software; full-stack TS/React with backend; experience with LLMs; real-time systems; strong architectural judgment; customer-facing; ownership.
Serval: AI platform for automating IT and enterprise service workflows.
Currently pursuing a technical degree (graduation 2026–2028), strong CS fundamentals, familiarity with a backend language (Go/Java/Python), clear communication, and eagerness to learn in a startup environment.
Poughkeepsie or Lowell or Durham or Bellevue or San Jose or Dallas
$88k-$152k/yrHybridFull Time, Internship
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