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Intern Java Jobs in California (NOW HIRING)

Brilent

Software Engineer Intern

San Mateo, CA · On-site

As a software engineering intern, you will work alongside our small team of engineers to create new ... Experience with Java, C++ or Python programming and debugging skills * Knowledge of machine ...

Nirmata

AI Software Engineer Intern

San Jose, CA

As an AI/ML Software Engineer Intern, you will define and implement the AI/ML infrastructure ... Opportunities to contribute to a cutting-edge SaaS platform, featuring microservices in Java and Go ...

Triunity Software

Java developer

San Jose, CA · On-site

$70K - $100K/yr

Minimum 4 years' of experience with Java 7/8, J2EE, Eclipse or similar tool, Spring Boot, Spring ... Be it expert or intern Triunity always always value its own people and give them platform to excel ...

LAXIR

Developper Intern dot net and java script

Los Angeles, CA · On-site

$20.75 - $27.25/hr

Company Description Laxir is a digital marketing agency we are looking for an unpaid developer intern to manage some development assignment for some of our clients like: Start up Shamana www.shamana ...

LAXIR

Developper Intern dot net and java script

Los Angeles, CA · On-site

$20.75 - $27.25/hr

Company Description Laxir is a digital marketing agency we are looking for an unpaid developer intern to manage some development assignment for some of our clients like: Start up Shamana www.shamana ...

Brilent

QA Engineer Intern

San Mateo, CA · On-site

As a QA Engineer Intern, you will work alongside our small team of engineers to develop new ... Good Java and J2EE programming skills * Demonstrated ability to work as a self-starter in a ...

Brilent

Data Scientist Intern

San Mateo, CA · On-site

As a data scientist intern, you will work alongside our small team of data scientists and engineers ... Experience with scripting languages such as Java and Python * Excellent problem-solving and ...

Centerfield

Software Engineer Intern

Los Angeles, CA · On-site

As a Software Engineering intern at Centerfield, you'll work directly with our Engineering team ... Exposure to Node.js, Python, or Java * Familiarity with cloud platforms, particularly AWS or Google ...

Voxelcloud

Data Engineer Intern

Los Angeles, CA · On-site

$123K - $148K/yr

Reporting to Data Team Lead, the Data Engineer intern will participate in the acquisition and ... Python , Java, C++, Scala, etc * Working SQL knowledge and experience working with relational ...

Voxelcloud

Data Engineer Intern

Los Angeles, CA

$123K - $148K/yr

Reporting to Data Team Lead, the Data Engineer intern will participate in the acquisition and ... Python , Java, C++, Scala, etc * Working SQL knowledge and experience working with relational ...

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Intern Java information

What kind of projects and tasks can an Intern Java expect to work on during their internship?

As an Intern Java, you can expect to assist with a variety of tasks such as coding, debugging, and testing Java applications under the guidance of senior developers. You may work on real business projects, contribute to ongoing software development, and participate in code reviews. Interns often collaborate closely with development teams, learning best practices and agile methodologies. This hands-on experience helps you gain practical skills, understand software development cycles, and build a foundation for future growth in the field.

Will AI replace Java devs?

AI is unlikely to fully replace Java developers, as their role involves designing, coding, and maintaining complex software systems that require human judgment and problem-solving skills. AI tools can assist with code generation and testing, but human oversight remains essential for quality and innovation. Java developers who adapt by learning new tools and frameworks will continue to be valuable in the evolving tech environment.

What is the difference between Intern Java vs Junior Java Developer?

AspectIntern JavaJunior Java Developer
Required CredentialsTypically students or recent graduates, some may have basic coursework in JavaEntry-level professionals with some Java coursework or internship experience
Work EnvironmentSupervised, learning-focused, often part-time or temporaryFull-time, collaborative team environment with defined responsibilities
Employer & Industry UsageInternships in tech companies, startups, or IT departmentsSoftware development firms, tech companies, enterprise IT teams

Intern Java roles are primarily learning positions for students or recent graduates gaining initial exposure to Java development. Junior Java Developers are entry-level professionals with some foundational skills, working on real projects within a team. The main difference lies in experience level and responsibilities, with interns focusing on learning and juniors taking on more active development tasks.

Are Java jobs still in demand?

Java developer roles remain in high demand across various industries due to the language's stability, scalability, and widespread use in enterprise applications. Skills in Java, along with knowledge of frameworks like Spring and experience with cloud environments, can enhance job prospects in this field.

What does an Intern Java do?

An Intern Java typically assists in the development, testing, and maintenance of software applications using the Java programming language. They work under the supervision of senior developers or project managers, gaining hands-on experience with coding, debugging, and documentation tasks. Interns may also participate in team meetings, learn about software development processes, and contribute to real-world projects. This role is designed to help students or recent graduates build practical skills and prepare for a professional career in software development.

What does a Java intern do?

A Java intern assists in developing, testing, and maintaining Java-based applications under the supervision of experienced developers. They often work with tools like IDEs, version control systems, and follow coding standards to gain practical experience in software development. The role typically involves writing code, debugging, and learning industry best practices.

What are the key skills and qualifications needed to thrive as an Intern Java, and why are they important?

To thrive as an Intern Java, you need a solid understanding of Java programming, object-oriented principles, and basic software development concepts, typically supported by coursework or personal projects. Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and basic knowledge of databases is often expected. Strong problem-solving skills, eagerness to learn, and effective communication help interns stand out and adapt quickly in team environments. These skills enable interns to contribute meaningfully, grow technically, and integrate smoothly into real-world software development workflows.

Is Java still useful in 2026?

Java remains a widely used programming language for backend development, enterprise applications, and Android app creation in 2026. Java developers with knowledge of frameworks like Spring and tools such as Maven continue to be in demand, making it a valuable skill for an intern Java role. Staying updated with the latest Java versions and related technologies enhances job prospects.
What are the most commonly searched types of Java jobs in California? The most popular types of Java jobs in California are:
What are popular job titles related to Intern Java jobs in California? For Intern Java jobs in California, the most frequently searched job titles are:
What job categories do people searching Intern Java jobs in California look for? The top searched job categories for Intern Java jobs in California are:
What cities in California are hiring for Intern Java jobs? Cities in California with the most Intern Java job openings:
Intern Java jobs near you
Infographic showing various Intern Java job openings in California as of July 2026, with employment types broken down into 48% Internship, and 52% Part Time. Highlights an 100% In-person job distribution.
Java Engineering Intern - Fall 2026

Java Engineering Intern - Fall 2026

Nvidia Corporation

Santa Clara, CA • On-site

Full-time

Posted 10 days ago

Job description

NVIDIA is looking for Java engineering interns to work on cuVS, a suite of open source software libraries for unstructured data processing and vector search algorithms on GPUs. cuVS relies on NVIDIA CUDA for low-level compute optimization, but exposes that high-performance GPU compute through user-friendly languages like Java.
We're expanding our vector search and database acceleration to include a Java engineering intern. The cuVS team builds next-generation building blocks for accelerating Java-based libraries like Lucene and JVector, which are used in widely popular databases like OpenSearch, Solr, MongoDB, and Elasticsearch. In this role, you will develop, benchmark, and explore novel tuned custom solutions for accelerating vector preprocessing, clustering, indexing, and search. This includes end-to-end database acceleration and scale, including introducing scalable architectural improvements, optimizing disk-based indexing and using next-generation hardware to benchmark data volumes not tractable with today's CPU-centric solutions. This is a great chance to take advantage of your Java CUDA/C++ skills and make a huge impact across a rapidly growing industry. Vector search is an exciting new field at the intersection of data processing and AI. You'll work closely with the cuVS team of stellar engineering, redefining what's possible in the world of unstructured information retrieval.
What you'll be doing:
  • Analyze, design, and implement optimized GPU algorithms for large-scale vector search, databases, and machine learning.
  • Expand and improve integration of NVIDIA cuVS into relevant high-level vector search libraries and vector databases.
  • Performance analysis, benchmarking, and troubleshooting of associated libraries.

What we need to see:
  • Currently enrolled in a Masters or PhD program in Data Science, Machine Learning or Computer Science
  • Strong analytical problem-solving skills, algorithms and mathematics fundamentals.
  • Excellent software development skills: programming, debugging, performance analysis, and test design, especially within the Java ecosystem and the JVM
  • Experience with NoSQL DBs: Lucene, Elasticsearch, OpenSearch, MongoDB, Solr
  • Good communication and documentation habits

Ways to stand out from the crowd:
  • Experience developing distributed algorithms and running on distributed systems: HPC, Cloud, etc
  • Distributed System experience and development
  • Experience with debugging multi-language and multi-hardware systems
  • Experience with Vector Databases: Milvus, Pinecone, LanceDB
  • Familiarity with Nearest Neighbor Algorithms like graph-based and inverted file indexes
  • Some familiarity with machine learning concepts like clustering and dimensionality reduction
  • GPU programming knowledge is a plus, but if you don't have it, we're happy to teach you

Our internship hourly rates are a standard pay based on the position, your location, year in school, degree, and experience. The hourly rate for our interns is 20 USD - 71 USD.
You will also be eligible for Intern benefits.
Applications for this job will be accepted at least until July 3, 2026.
This posting is for an existing vacancy.
NVIDIA uses AI tools in its recruiting processes.
NVIDIA is committed to fostering an inclusive work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.
Nvidia logo

About Nvidia

Sourced by ZipRecruiter

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation that's fueled by great technology--and amazing people. Today, we're tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what's never been done before takes vision, innovation, and the world's best talent.

Industry

Computer and electronic product manufacturing

Company size

10,000+ Employees

Headquarters location

Santa Clara, CA, US

Year founded

1993

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