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Java Backend Intern Jobs in California (NOW HIRING)

Triunity Software

Java Developer

CA · On-site

$100K - $110K/yr

Integrate third-party APIs, libraries, and backend services as needed Requirements: * 2+ years of ... Be it expert or intern Triunity always always value its own people and give them platform to excel ...

SERVAL SAS

Software Engineer Intern

San Francisco, CA · On-site

Role Overview As a Software Engineer Intern, Backend at Serval, you'll work directly on core parts ... Familiarity with at least one backend programming language (Go, Java, Python, or similar). * Clear ...

Serval Inc

Software Engineer Intern

San Francisco, CA · On-site

Role Overview As a Software Engineer Intern, Backend at Serval, you'll work directly on core parts ... Familiarity with at least one backend programming language (Go, Java, Python, or similar). * Clear ...

Triunity Software

Java full stack Developer

Oakland, CA · On-site

$90K - $100K/yr

Design, develop, and manage both front-end and back-end systems, ensuring seamless integration and ... Be it expert or intern Triunity always always value its own people and give them platform to excel ...

Xpansiv

QA Intern

San Jose, CA · On-site

$30 - $35/hr

Develop, maintain, and improve automated test scripts for web user interfaces and backend APIs ... C#, Java, or a similar language. * Foundational understanding of the software development ...

Xpansiv

QA Intern

San Jose, CA

$30 - $35/hr

Develop, maintain, and improve automated test scripts for web user interfaces and backend APIs ... C#, Java, or a similar language. * Foundational understanding of the software development ...

Xpansiv

QA Intern

San Jose, CA

$30 - $35/hr

Develop, maintain, and improve automated test scripts for web user interfaces and backend APIs ... C#, Java, or a similar language. * Foundational understanding of the software development ...

Palantir

As an intern within Palantir's Foundations organization, you'll have the opportunity to grow more ... Varying languages, including Java and Go for backend and TypeScript for frontend * Open-source ...

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Java Backend Intern information

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

AspectJava Backend InternJava Backend Developer
Required CredentialsTypically pursuing or recently completed a related degree; internship programsBachelor's or higher in Computer Science or related field; relevant certifications
Work EnvironmentEntry-level, supervised, learning-focusedFull-time, independent project work, team collaboration
Employer & Industry UsageInternships in tech companies, startups, or corporate IT departmentsFull-time roles in software companies, tech firms, or enterprise IT

The main difference between a Java Backend Intern and a Java Backend Developer lies in experience, responsibilities, and employment status. Interns are typically students or recent graduates gaining initial exposure, while developers are full-time professionals responsible for building and maintaining backend systems.

What cities in California are hiring for Java Backend Intern jobs?

Cities in California with the most Java Backend Intern job openings:

Infographic showing various Java Backend Intern job openings in California as of August 2026, with employment types broken down into 1% Internship, 81% Full Time, 5% Part Time, 2% Temporary, and 11% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution.

2027 Business Technology Solutions Intern - Data & Software Engineering (Undergraduate)

South San Francisco, CA • On-site

AbbVie
Scientific Research and Development Services • 10K+ employees
Learn more about AbbVieexternal

$21/hr

Internship

Posted 16 days ago

Key responsibilities

  • Assist in designing, building, and maintaining enterprise applications, including front-end, back-end, or full-stack components.

  • Support the development and optimization of data infrastructure, including databases and data pipelines.

  • Help build, maintain, and optimize data solutions to support scientific or business questions.

AbbVie rating

8.7

Company rating: 8.7 out of 10

Based on 103 frontline employees who took The Breakroom Quiz

Job description

Company Description
About AbbVie
AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a remarkable impact on people's lives across several key therapeutic areas including immunology, oncology and neuroscience - and products and services in our Allergan Aesthetics portfolio. For more information about AbbVie, please visit us at www.abbvie.com. Follow @abbvie on LinkedIn, Facebook, Instagram, X and YouTube.
Job Description
2027 Business Technology Solutions (BTS) Internship
Envision spending your summer working with energetic colleagues and inspirational leaders, all while gaining world-class experience in one of the most dynamic organizations in the pharmaceutical industry. This is a reality for participants in the Business Technology Solutions (BTS) Internship Program at AbbVie.
The Intern will be aligned to either a Data Engineering or Software/Application Engineering track:
Software/Application Engineering:
The Software/Application Intern will help design, build, and maintain enterprise applications across the stack while applying technical and business knowledge, analytical thinking, and creative problem-solving. Responsibilities may include:
  • Front End: develop, test, and maintain highly interactive, responsive user interfaces
  • Back End: build backend services, APIs, and microservices in Java (Spring Boot); implement server-side logic, workflows, and data pipelines; optimize performance, scalability, and reliability
  • Full Stack: own both front-end and back-end components end to end

Data Engineering:
The Data Engineering Intern will help build, maintain, and optimize the data infrastructure, including databases and data pipelines. Responsibilities could include:
  • Support the design and development of data, software, or technology solutions to answer scientific or business questions
  • Leverage a range of technologies related to programming languages, data integration, data warehousing, and data visualization and analysis
  • Help build, maintain, and optimize data infrastructure
  • Ensure data is collected, processed, and stored efficiently and securely
  • Integrate different data sources and create the foundations on which analytics and data science can operate

This is an 11-week onsite internship. The majority of BTS Interns will be placed in Lake County, IL, though there is a possibility of being placed within any U.S. AbbVie or Allergan Aesthetics location. While location preferences are considered, placements will ultimately be based on business need.
Qualifications
Minimum Qualifications:
  • Pursuing a Bachelor's degree in Computer Science, Computer Engineering, AI or related majors with a minor or concentration in one of the above fields
  • Graduation date between December 2027 - June 2028
  • Must be enrolled in university the semester following your internship and graduate within 1-year post internship

Preferred Qualifications:
  • Software/Application Engineering Track: school or work experience with the following: Front End - NodeJS, Vue.js, HTML; Back End - Java, JavaScript; Full Stack - Java, SQL, TypeScript; APEX or Python; ability to apply generative AI to custom software solutions. Public code portfolio (GitHub, GitLab, Bitbucket) highly preferred
  • Data Engineering Track: strong programming experience in Java, Python, R, and SQL. Experience using APIs to extract data and applying large language models or machine learning algorithms
  • Previous internship or related experience
  • Technical and business insight, strong analytical skills, and creative problem-solving abilities
  • Proven track record of teamwork, adaptability, innovation, initiative, and integrity
  • Excellent communication, leadership, and project management skills
  • Cumulative GPA of 3.00 or higher

Additional Information
Benefits and Amenities:
  • Competitive pay
  • Relocation support for eligible students
  • Select wellness benefits and paid holiday / sick time

Applicable only to applicants applying to a position in any location with pay disclosure requirements under state or local law:
The compensation range described below is the range of possible base pay compensation that the Company believes in good faith it will pay for this role at the time of this posting based on the job grade for this position. Individual compensation paid within this range will depend on many factors including geographic location, and we may ultimately pay more or less than the posted range. This range may be modified in the future.
Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, incentive, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole and absolute discretion unless and until paid and may be modified at the Company's sole and absolute discretion, consistent with applicable law.
AbbVie is an equal opportunity employer and is committed to operating with integrity, driving innovation, transforming lives and serving our community. Equal Opportunity Employer/Veterans/Disabled.
US & Puerto Rico only - to learn more, visit https://www.abbvie.com/join-us/equal-employment-opportunity-employer.html
US & Puerto Rico applicants seeking a reasonable accommodation, click here to learn more:
https://www.abbvie.com/join-us/reasonable-accommodations.html

What AbbVie employees say

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Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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About AbbVie

Sourced by ZipRecruiter

AbbVie's mission is to discover and deliver innovative medicines that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a remarkable impact on people's lives across several key therapeutic areas: immunology, oncology, neuroscience, eye care, virology, women's health, and gastroenterology, in addition to products and services across its Allergan Aesthetics portfolio. For more information about AbbVie, please visit us at www.abbvie.com. Follow @abbvie on Twitter, Facebook, Instagram, YouTube, and LinkedIn.

Industry

Scientific research and development services

Company size

10,000+ Employees

Headquarters location

North Chicago, IL, US

Year founded

2013

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