51 backend engineer intern jobs at 26 companies in Half Moon Bay, CA

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Staff Backend Engineer, Internal Products
San Francisco, California, United States
$200k-$250k/yr HybridFull Time
TwelveLabs
TwelveLabs: Private video AI helping enterprises search, analyze, and understand video across vision, audio, language, and motion.
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.
Python, Go, Claude Code
3w
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Backend Software Engineer Intern (TikTok-Search) - 2027 Summer
San Jose, California, United States
OnsiteInternship
TikTok
TikTok: Short-form mobile video 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).
3d
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Backend Software Engineering Intern 2027
San Mateo, California, United States
$55-$65/hr OnsiteInternship
Verkada
Verkada: Physical security platform for enterprise buildings and facilities.
Pursuing a bachelor's or master's degree in computer science or a related technical field, graduating by June 2028; prior product development internship and familiarity with Python or Golang, distributed systems, AWS, Docker, and agile development.
Redis, DynamoDB, Postgres, Kafka, SQS, Terraform, Kubernetes, Python, Go, Golang, AWS, Docker, REST APIs, Linux
3w
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Backend Development Engineer Intern (Infrastructure Platform Delivery) - 2027 Summer
San Jose, California, United States
OnsiteInternship
ByteDance
ByteDance: Global technology specializing in AI-powered content platforms.
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
3d
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Software Engineer, Backend Intern
Palo Alto, California, United States
$150k-$273k/yr HybridInternship
Prophet Security
Prophet Security: Autonomously triage, investigate, and respond to alerts and security threats 10x faster
Pursuing a bachelor's or master's degree in computer science, engineering, or a related technical field; expected graduation in 2027. Programming experience with Python or Go and knowledge of software engineering fundamentals required.
Python, Go, React, TypeScript, SIEM, EDR/XDR
2mo
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Compiler Engineer — LLVM Backend
Mountain View, California, United States
$180k-$320k/yr OnsiteFull Time
DensityAI
DensityAI: Semiconductor startup building full-stack AI accelerators for frontier-scale large language model inference.
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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Software Engineer Intern (Fall / Winter 2026)
San Francisco or Canada
RemoteInternship
Cohere
Cohere: Security-first enterprise AI building foundation models.
Enrolled in a post-secondary program; available for a full-time 3-6 month internship; remote; roles across frontend, backend, full-stack, and infrastructure.
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Software Engineer Intern
San Francisco, California, United States
$11k/mo OnsiteFull Time
Serval
Serval: Private AI-native ITSM automating help desks, access, and workflows for enterprise teams.
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.
Go, gRPC, Kubernetes, React, TypeScript, AWS, Terraform
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SWE Intern
San Francisco, California, United States
OnsiteInternship
Chasi AI
Chasi AI: Private AI software serving equipment dealers and rental companies with agents for sales, service, and fleet utilization.
1+ YOE1+ internships in production software; full-stack TS/React with backend; experience with LLMs; real-time systems; strong architectural judgment; customer-facing; ownership.
Next.js, TypeScript, PostgreSQL, Redis, Twilio, LiveKit, OpenAI, Anthropic, Deepgram, Vector Databases
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Platform Engineer (12x Openings)
Palo Alto, California, United States
$225k-$290k/yr HybridFull Time
Volta
Volta: Private AI infrastructure building and operating AI factories for frontier labs and AI-native companies.
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
2mo
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Software Engineer, Growth
San Francisco, California, United States
OnsiteFull Time
Broccoli AI
Broccoli AI: AI-native operating software for home-service contractors that answers calls, books jobs, and follows up with leads.
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.
ServiceTitan
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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
Aera Technology: Aera Technology is a private enterprise software providing agentic decision intelligence for automated business decisions.
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
2w
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Machine Learning Engineer Intern (Ads) - 2027 Summer
San Jose, California, United States
$45/hr OnsiteInternship, Temporary
TikTok USDS Joint Venture LLC
TikTok USDS Joint Venture LLC: Ensuring U.S. data security and content integrity for TikTok.
0+ YOEPursuing a bachelor's degree in a technical field, 12-week Summer 2027 availability, and familiarity with a programming language. Master's degree, databases, distributed systems, data pipelines, or backend services preferred.
JavaScript, TypeScript, Python, Java, Go
3w
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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: Unified data platform for building modern applications.
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
2mo
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Software Engineer, Internal Applications - Enterprise
San Francisco, California, United States
$293k-$342k/yr RemoteFull Time
OpenAI
OpenAI: AI research and deployment focused on beneficial AGI.
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
3mo
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Staff Software Engineer
Boston or Kyiv or Seattle or Lviv or San Francisco
HybridFull Time
DataRobot
DataRobot: Private enterprise AI platform helping global organizations build, operate, and govern predictive and generative 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.
Kubernetes, Python, Go, Helm, Terraform, Pulumi, Kyverno, Cilium, GitOps, CI/CD
3mo
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Machine Learning Software Engineer Intern - Winter 2027
San Francisco or New York City
HybridInternship, Temporary
Rippling
Rippling: Unified workforce management platform for HR, IT, and Finance.
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.
Python, PySpark, PyTorch, LLMs
3d
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Software Engineer, Sandboxing
San Francisco, California, United States
$300k-$450k/yr HybridFull Time
Thinking Machines Lab
Thinking Machines Lab: Private AI research and product building customizable multimodal systems for researchers and the wider public.
Bachelor's degree or equivalent, backend programming in Python or Rust, and experience with isolation or virtualization technologies, Linux internals, and end-to-end infrastructure ownership.
Python, Rust, containers, Firecracker, Cloud Hypervisor, gVisor, Kata Containers, Linux, Kubernetes
3mo
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Member of Technical Staff, Software Engineer
San Francisco, California, United States
OnsiteFull Time
Plato
Plato: Private AI research lab building simulated environments and training infrastructure for browser and computer-use 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.
1d
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IT Engineer, Internal AI Infrastructure
San Francisco or New York City or United States
$153k-$296k/yr RemoteFull Time
Figma
FigmaNYSE: FIG: Collaborative design and product development platform.
5+ YOERequires 5+ years of software engineering experience in infrastructure, platform, or backend engineering; system design, production systems, LLM operations, enterprise identity management, and cross-functional communication skills.
Okta, SSO, MCP