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23 backend software intern jobs at 7 companies in Watsonville, CA

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Backend Software Engineer Intern (TikTok-Search) - 2027 Summer
San Jose, California, United States
OnsiteInternship
TikTok
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).
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2d
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Backend Development Engineer Intern (Infrastructure Platform Delivery) - 2027 Summer
San Jose, California, United States
OnsiteInternship
ByteDance
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.
Java, Go, C, C++, MySQL, Redis, Linux, TCP/UDP, HTTP
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2mo
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Compiler Engineer — LLVM Backend
Mountain View, California, United States
$180k-$320k/yr OnsiteFull Time
DensityAI
DensityAI: Designing custom AI hardware accelerators for large language models.
5+ YOEExpert LLVM backend internals, 5+ years compiler engineering with LLVM target development, strong computer architecture and ISA design knowledge, debugging compilation correctness and performance; MLIR/GPU/linker experience optional.
LLVM, TableGen, MLIR, Microsoft Excel
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3w
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Full Stack Software Engineer - Camera & Photos Tools & AI Team
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Build internal imaging tools and end-to-end software using native Swift, modern web frontends, and Python backends; integrate AI/LLM models; collaborate with engineering and science teams to deliver reliable tools.
Swift, Python, LLM
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1mo
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Senior Software Engineer (CALC engine) (copy)
Mountain View or San Francisco or Bucharest or Cluj-Napoca or Paris or Munich or London or Pune or Sydney or United States
$220k-$230k/yr RemoteFull Time
Aera Technology: A Decision Intelligence platform building AI-driven decision automation and analytics.
Expert backend Java engineer with low-latency performance, JVM internals, threading and GC knowledge, language/design skills, and experience building high-performance calculation engines.
Java, JVM, Spring, Claude Code
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4w
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Member of Technical Staff Intern
San Jose, California, United States
RemoteInternship, Temporary
GPT-Research
GPT-Research: Developing safe and reliable artificial intelligence systems.
Pursuing a Bachelor's in CS or related field; familiarity with Java, Scala, Python, NodeJS, React; exposure to backend development, Docker, Kubernetes, cloud infrastructure; strong communication and prioritization.
Java, Scala, Python, NodeJS, React, Docker, Kubernetes
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15h
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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
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1w
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Platform Engineer (12x Openings)
Palo Alto, California, United States
$225k-$290k/yr HybridFull Time
Volta
Volta: Building and operating GPU-dense infrastructure for AI factories.
3+ YOE3+ years software engineering with infrastructure focus; strong backend/systems programming; deep Kubernetes internals knowledge; Linux and networking fundamentals; production API design; on-call and incident response experience.
Kubernetes, Python, Go, Rust, C++, C#, Java, Linux, BGP, RDMA, Prometheus, Grafana, OpenTelemetry, Ceph, Kopf, controller-runtime
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