95 backend engineer intern jobs at 52 companies in United States

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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
2mo
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Senior Backend Engineer, International Eng
Kraków or United States or United Kingdom or Ireland or Poland or Germany or Australia
RemoteFull Time
Whatnot
Whatnot: Live shopping marketplace connecting buyers and sellers.
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.
Python, Go
1w
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Back End Developer Intern 2027 - Poughkeepsie
Poughkeepsie, New York, United States
$76k-$139k/yr HybridInternship, Contract
IBM
IBMNYSE: IBM: Global technology and consulting focusing on cloud and AI.
Currently pursuing a computer science, software engineering, or related degree; high school diploma/GED; basic software development knowledge; programming experience; Agile exposure; and strong communication, learning, and problem-solving skills.
C, C++, Golang, Ruby, Python, Perl, SQL, Java, JavaScript, Shell scripting, Jenkins, GitHub Actions, APIs, JSON, Web Services, Docker, Kubernetes, Assembly language
3w
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Backend Engineer, AI Internal Systems
United States
RemoteFull Time
Bjak
Bjak: Southeast Asia's leading online insurance platform and fintech.
Backend, full-stack, or platform development experience; strong programming fundamentals; production software, AI application, or automation experience; and ability to solve ambiguous problems independently.
APIs, databases, cloud infrastructure, AI integrations
6d
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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
4w
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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).
6h
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Intern – Back-End Cloud Developer
Bridgeton, Missouri, United States
OnsiteInternship
Panasonic Corporation of North America
Panasonic Corporation of North AmericaTokyo Stock Exchange: 6752: Regional hub providing technology, energy, and mobility solutions.
0+ YOECurrent student pursuing a bachelor's degree with a 3.0+ GPA, strong programming fundamentals in Java or another object-oriented language, and familiarity with REST APIs, HTTP, SQL, Git, and Spring Boot.
Java, REST APIs, HTTP, SQL, Git, Spring Boot
2mo
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Software Engineer - Backend (Fall 26' Intern)
Natick, Massachusetts, United States
$28-$32/hr OnsiteInternship
Delsys
Delsys: Biotechnology designing wearable electromyography sensors and software for researchers and clinicians.
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.
Java, C#, C++, Windows, 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
6d
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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
3w
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Software Engineer(Intern)- Backend
Bengaluru or New York City or Singapore or London
HybridInternship
Merkle Science
Merkle Science: Blockchain transaction-monitoring and intelligence serving crypto firms, financial institutions, and government agencies.
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
3mo
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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
4w
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Software Engineering Intern (Front End or Back End)
New York City or United States
RemoteMultiple Commitments Available
Zant
Zant: Private coaching platform and marketplace connecting business and leadership coaches with leaders, founders, companies, and investment 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
1mo
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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
2w
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Full-Stack Developer Intern
Secaucus, New Jersey, United States
OnsiteFull Time
Advanced Warehouse Inc.
Advanced Warehouse Inc.: Advanced Warehouse is a privately held 3PL provider delivering warehousing, fulfillment, freight forwarding, and transportation services.
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
1mo
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Applied AI Engineer
United States
RemoteFull Time
OpenRouter
OpenRouter: AI model gateway and routing platform serving developers and enterprises with unified access to large language models.
Experience building internal agentic tooling and production LLM/agent systems, backend engineering strength, security and reliability mindset, domain fluency in support or GTM, and data-driven evaluation skills.
OpenRouter, CRM, LLM
1mo
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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
2w
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AI Full Stack Engineer Intern
Denver or New York City
$400-$1k/mo OnsiteFull Time, Internship
Gesture
Gesture: AI-driven gifting and tangible-marketing platform serving consumers and brands with address-free gifts and product campaigns.
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
1mo
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Automation Engineer
Clearwater, Florida, United States
OnsiteFull Time
Tremco Construction Products Group
Tremco Construction Products GroupNew York Stock Exchange: RPM: Manufacturer and provider of comprehensive building envelope solutions.
Design and build internal software, data pipelines, and integrations; strong backend skills (Python/TypeScript/C#/Node.js), SQL, REST APIs, testing, and deployment; bachelor\u0002s-level technical degree preferred.
Python, TypeScript, Node.js, C#/.NET, Postgres, MySQL, SQL Server, REST APIs, Git, FastAPI, Flask, Django, ASP.NET Core, NestJS, Express, Airflow, Dagster, Prefect, Docker, GitHub Actions, Azure DevOps, AWS, Azure, GCP, LLMs
1mo
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Systems Engineer, Data Intelligence & Analytics Team
Austin, Texas, United States
HybridFull Time
Cloudflare
CloudflareNYSE: NET: Cloud-based security, performance, and reliability services for Internet applications.
Experience building internal platform tooling, proficiency in Go and backend systems, knowledge of SQL and CI/CD, strong communication and problem solving, BS/MS in a quantitative field preferred.
Go, React, Clickhouse, Python, Java, SQL, PostgreSQL, MySQL, Gitlab CI, Docker, Kubernetes, Google Cloud Platform, Javascript, Typescript