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99 junior java jobs at 33 companies in Fontana, CA

1d
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Java Developer
Santa Ana, California, United States
OnsiteFull Time
Artificial Compute
Artificial Compute: AI workforce platform for business process automation and agents.
Role for a Java developer.
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2w
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Software Development Engineer (Java)
Irvine or Dallas or Austin
$107k-$130k/yr HybridFull Time
Cotality
Cotality: Provider of property intelligence, data, and analytics solutions.
2+ YOE2+ years software development experience; proficiency with Java, Spring Boot, REST/GraphQL APIs, cloud platforms (GCP), CI/CD; strong problem-solving and communication skills.
Java, GraphQL, Google Cloud Platform (GCP), Spring Boot, Spring Framework, Spring MVC, Spring Data, REST APIs, CI/CD, GitHub Copilot, Gemini
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1w
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Software Engineer
Los Angeles, California, United States
OnsiteFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Bachelor's degree or equivalent experience; proficiency in Java, Python, C#, or JavaScript; experience with Agile and Git; strong problem-solving and communication skills.
Java, Python, C#, JavaScript, Agile, Git, AWS, Microsoft Azure, Google Cloud
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5d
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Associate, Software Engineer (39132)
Yorba Linda, California, United States
$76k-$141k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
Pursuing or recently completed bachelor's in relevant field; experience with C/C++/Java and embedded/real-time systems; SDLC participation, testing, and integration skills.
C++, C#, C, Java, Ruby, JEE, HTML5, XML, SQL, Perl, Python, Ajax, Qt, Windows, Unix, Linux, VxWorks, QNX, Integrity, Windows CE, .NET, SOA, RTOS, Hadoop, Android
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2mo
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Software Development Engineer in Test II (SDET) – ArcGIS Enterprise
Redlands, California, United States
$101k-$167k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years in a similar role; proficiency in Java, C++, C#, or Python; experience with test automation frameworks; knowledge of CI tools; bachelor's in a related field.
Java, Python, C++, C#, Selenium WebDriver, Appium, JUnit, PyUnit, Jenkins, Chef
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5d
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Student Researcher, PhD, Fall 2026
Mountain View or Ann Arbor or Atlanta or Austin or Cambridge or Chicago or Irvine or Kirkland or Los Angeles or Madison or New York or Palo Alto or Pittsburgh or Goleta or San Bruno or Seattle or San Francisco or Sunnyvale or Washington D.C.
$118k-$157k/yr OnsiteInternship
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
PhD student in CS or related field, research experience, proficiency in English and programming (e.g., Python, Java, JavaScript, C/C++); submit CV and transcript.
Python, Java, JavaScript, C, C++
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2w
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(Senior) Developer (w/m): Hana Datenbank Portierung – SL Tools (Riverside, CA, US)
Riverside, California, United States
OnsiteFull Time
SAP
SAPFrankfurt Stock Exchange: SAP: Developer of enterprise business software and cloud applications.
Bachelor's degree in computer science, engineering, mathematics or related field; experience with C, Java, Pearl, Python; database knowledge; fluent German and English; teamwork and communication skills.
C, Java, Pearl, Python, SAP HANA, SAP SUM, SWPM, SWDC, Unix, Linux
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3mo
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Intermediate Technical Support Analyst
Logan or Los Angeles or United States or Melbourne or Victoria
$55k-$72k/yr HybridFull Time
Journal Technologies
Journal TechnologiesNASDAQ: DJCO: Provides enterprise software for courts and justice system agencies.
2+ YOE2+ years technical support experience with web-hosted/on‑premise/cloud software; working knowledge of Java, HTML, SQL; strong communication, multitasking, and customer-focused troubleshooting skills.
Java, HTML, SQL, Groovy, JavaScript, PL/SQL, Transact-SQL, Crystal Reports
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2mo
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Head Robotics Team Coach
Santa Ana, California, United States
$20k/yr OnsitePart Time
Mater Dei High School
Mater Dei High School: Catholic college preparatory high school in Santa Ana.
CPR required; familiarity with robotics systems, Java, CAD, 3D printers, mechanical design, and mentoring high school students; bachelor's degree preferred.
Java, CAD, 3D printers
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2d
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Machine Learning Engineer II
Irvine, California, United States
$97k-$162k/yr HybridFull Time
Panasonic Avionics Corporation
Panasonic Avionics CorporationTokyo Stock Exchange: 6752: Provides in-flight entertainment and connectivity systems for airlines.
2+ YOEBachelor's in CS/Data Science/Software Engineering required, 2+ years software engineering experience, proficiency in Python or Java, experience with TensorFlow or PyTorch, machine learning and data-pipeline experience.
Python, Java, TensorFlow, PyTorch
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5d
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Software Engineer
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$111k-$148k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEPursuing or recent Bachelor's/Master's in a technical field; experience with C/C++, Python, Java, Go, SQL, or JavaScript through coursework or internships; familiarity with software fundamentals, debugging, and development tools.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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2w
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Security Engineer, Level 4
Los Angeles or Palo Alto or Bellevue or Santa Monica
$157k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
2+ YOE2+ years security-related experience post-Bachelor’s (or equivalent), strong security engineering background, proficiency with programming (Python/Go/Java), security tooling, AI tools, and excellent communication and analytical skills.
Python, Go, Java, SIEM, EDR, AI tools
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2w
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Software Engineer II
Los Angeles, California, United States
$172k-$225k/yr HybridFull Time
Sony Interactive Entertainment
Sony Interactive EntertainmentNYSE: SONY: Provides PlayStation gaming hardware, software, and digital network services.
2+ YOEMaster's in CS or equivalent +2 years experience with large-scale ETL using Microsoft SQL Server and Python, Java/JavaScript/Node.js development, Bash automation, Linux administration, and data analysis for analytics and anomaly detection.
Node.js, Spring Boot, WebFlux, Microsoft SQL Server, Python, Microsoft Excel, Java, JavaScript, Bash, Linux
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2mo
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Systems Modeling Simulation Engineer (Engineer or Principal Engineer Level)
Palmdale or Los Angeles
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEActive U.S. Top Secret clearance, STEM degree, 2+ years engineering experience (Engineer) or 5+ (Principal). Proficiency with C#, C++, Java, simulation/modeling experience (radar, IADS, EW), and system integration skills.
C#, C++, JAVA, AFSIM, Suppressor, Brawler, Tortoise SVN, Bitbucket, GitHub, GitLab
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3w
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Sr. Software Engineer
Irvine, California, United States
$160k-$180k/yr RemoteFull Time
Viant Technology
Viant TechnologyNASDAQ: DSP: Provides an AI-powered demand-side platform for digital advertising.
2+ YOEMaster's degree in CS/IT/Applied Data Science, 2+ years software engineering experience, proficiency in GoLang and Java, MySQL/Oracle, AWS (EC2, S3, Lambda, RDS), and building scalable, low-latency distributed systems.
GoLang, Java, MySQL, Oracle, AWS, EC2, S3, Lambda, RDS
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1mo
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Software Engineer
Irving or San Francisco or Los Angeles
$74k-$137k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
2+ YOEB.S. in CS or related required; 2+ years Java experience; Unix and shell scripting; professional experience with Spring, Hibernate, Maven, Git; SQL and relational DB experience; Hadoop, Spark, Scala, Docker, Kubernetes, AWS are pluses.
Java, Unix, Unix Shell Scripts, Spring, Hibernate, Maven, Git, SQL, Hadoop, Spark, Scala, Docker, Kubernetes, AWS, HBase, Ansible, Postgres, Angular, HTML, JavaScript
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1mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
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2w
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Security Engineer, Level 4
Los Angeles or Palo Alto or Bellevue or Santa Monica
$133k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
2+ YOEBachelor’s degree or equivalent, 2+ years security-related experience, expertise in infrastructure/application/cloud security domains, programming (Python/Go/Java), experience with vulnerability scanners, SIEM, EDR, and strong communication and problem-solving skills.
AI tools, vulnerability scanners, SIEM, EDR, cloud security frameworks, Python, Go, Java
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3w
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Application Security Engineer
Long Beach, California, United States
$108k-$140k/yr HybridFull Time
Laserfiche
Laserfiche: Provides software for document management and business process automation.
1+ YOEBachelor's in CS/InfoSec required; 1+ years software or application security experience; familiarity with Git/CI-CD, cloud (AWS/Azure), containers, SAST/DAST/SCA, scripting (Python, JavaScript, C#, Java); Security+ or eJPT beneficial.
SAST, DAST, SCA, CI/CD, Git, AWS, Azure, Docker, Kubernetes, Python, JavaScript, C#, Java, OWASP Top 10
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1mo
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Senior Associate, Tech Quality Assurance
Bengaluru or New York City or Toronto or Los Angeles or Austin or Denver or Kansas City or London
HybridFull Time
GALE
GALENASDAQ: STGW: Global agency providing data-driven marketing and business strategy services.
2+ YOE2+ years software QA for web platforms, experience with functional and automation testing, Playwright/Selenium, scripting in Python/Java/JavaScript/TypeScript, API testing (Postman), CI/CD and Agile experience; CMS testing (WordPress/Contentful) desirable.
Playwright, Selenium, Python, Java, JavaScript, TypeScript, Postman, WordPress, Contentful, Git, Azure DevOps, GitHub Actions, Jenkins
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