43 backend developer intern jobs at 24 companies in South San Francisco, CA
2mo
Save
Mark Applied
Hide
2mo
Backend Engineering Intern
San Francisco or Istanbul or Ankara
HybridFull Time, Internship
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.
Twelve Labs: AI foundation models for video search and human-like understanding.
Experienced backend engineer with strong Python or Go skills, system design, building zero-to-one internal products, working with large unstructured datasets, and full-stack capability.
Senior Backend Engineer, AI Platform & Infrastructure
Mountain View, California, United States
$136k-$259k/yrOnsiteFull Time
UnityNYSE: U: Provides software for creating real-time 3D interactive content.
Experience building production distributed systems, backend services, or internal platforms; strong API and systems engineering; cloud-native infrastructure; access control; CI/CD; infrastructure as code; observability; and interest in LLM agent systems.
GCP, BigQuery, MCP, CI/CD, LLM, infrastructure as code
TikTok: Global short-form video hosting and social media platform.
Currently pursuing an undergraduate or master\u0002s degree in CS, CE, or related field; able to commit to a 12-week Summer 2027 internship; strong coding, data structures, algorithms, backend development, problem-solving and teamwork; U.S. work authorization required (no sponsorship).
Backend Development Engineer Intern (Infrastructure Platform Delivery) - 2027 Summer
San Jose, California, United States
OnsiteInternship
ByteDance: Developing AI-driven content platforms and mobile applications.
Current undergraduate or master's student in computer science, software engineering, or a related field with strong programming, algorithms, and data structures skills; proficiency in at least one programming language.
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.
Rippling: Unified platform managing workforce HR, IT, and finance operations
Currently enrolled in an M.Sc. or Ph.D. in computer science or related field; strong backend programming skills (Python, PySpark, PyTorch); ML experience, LLM familiarity preferred; excellent communication and learning mindset.
OpenAI: Develops artificial intelligence models and generative AI software services.
Experienced in building production frontend and backend systems, designing interfaces for operational/internal tools, strong backend fundamentals (APIs, data modeling, integrations), security-conscious design, and cross-functional collaboration.
IAM, ITSM, RBAC, Zero Trust, APIs, SOC 2, ISO 27001, FedRAMP, NIST
Broccoli: AI agents for home service business front-office operations.
Strong software engineering fundamentals, production-quality code, full-stack with backend focus, experience building internal tools or growth systems, comfortable in ambiguity and cross-functional work.
United States or New York City or Dublin or Seattle or Palo Alto or Chicago or North America
$151k-$297k/yrRemoteFull Time
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
Boston or Kyiv or Seattle or Lviv or San Francisco
HybridFull Time
DataRobot: Provides an enterprise platform for building and governing AI.
7+ YOE7-10+ years in engineering with 5+ years in infrastructure/platform/backend; Kubernetes internals; Python/Go; multi-cloud or hybrid deployments; IaC; GitOps; strong mentoring and leadership.
Anthropic: Developing safe and reliable artificial intelligence systems.
8+ YOE8+ years building backend systems, data pipelines, or internal platforms; proficiency in Python or Go; experience with cloud platforms and infrastructure-as-code; strong systems thinking and experience with integrations or data infrastructure.
Python, Go, AWS, GCP, Azure, Claude, ServiceNow, Vanta, Drata, OneTrust, REST APIs, webhooks, CI/CD, ELT, ETL, infrastructure-as-code, version control
Plato: Building foundational infrastructure to train specialized AI agents.
Experience building backend systems, data pipelines, product surfaces, and internal tools for AI/research workflows; strong product engineering judgment, emphasis on correctness, observability, and iteration speed.
San Francisco or Sunnyvale or Seattle or New York City
$124k-$260k/yrOnsiteFull Time
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.
NextClerk: Automated revenue and billing software for subscription businesses.
Pursuing or recently completed bachelor's in CS or related field; experience with JavaScript/TypeScript and frontend frameworks; basic backend experience (Python/Node.js); familiarity with APIs, databases, and Git.