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44 junior java jobs at 19 companies in Temecula, 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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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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6d
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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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2mo
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Associate Software Developer
Poway, California, United States
$72k-$110k/yr HybridFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
0+ YOEBachelor's in CS/IS preferred (or equivalent experience). Familiarity with C/C++, Java or Python. Ability to obtain and maintain DoD security clearance. Strong communication and problem-solving skills.
C, C++, Java, Python
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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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3w
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Software Engineer
Woburn or Arlington or Carlsbad or Aurora
$110k-$138k/yr HybridFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
2+ YOEBS/MS in CS or related; 2+ years building maintainable APIs and Java-based software; experience with microservices, DevSecOps, and collaborating with scientists; U.S. citizenship and ability to obtain Top Secret clearance required.
Java 17, Spring Boot, Linux, Docker, Kubernetes, Kafka, NATS, GitLab, Python
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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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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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1mo
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Simulation Software Developer
Poway, California, United States
$72k-$110k/yr OnsiteFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
0+ YOEBachelor's in CS/IS or equivalent experience, strong foundation in algorithms/data structures and OOP, proficiency in C/C++ and working knowledge of Java or Python, Linux experience, strong debugging and communication skills, ability to obtain DoD Secret clearance.
C, C++, Java, Python, Linux
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1mo
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Systems Modeling and Simulation Engineer (Engineer or Principal Level)
Rancho Bernardo, California, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBachelor's in STEM with 2+ years (or higher-level degree/experience for principal), active U.S. Top Secret clearance, C#/C++/Java and .NET expertise, Visual Studio, WPF/MVVM/Blazor, CI/CD and version control, secure coding (NIST/DoD).
C#, C++, Java, .NET, CLR, JIT, Microsoft Visual Studio, WPF, MVVM, Blazor, gRPC, Bitbucket, GitHub, GitLab, Git, TFS, Azure DevOps, CI/CD, CommunityToolkit.Mvvm, AFSIM, Suppressor, Brawler
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3mo
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Coding and/or Robotics Instructor
Wildomar, California, United States
OnsiteFull Time, Part Time
Cornerstone Christian School
Cornerstone Christian School: A K-12 private Christian school providing college-preparatory education.
Experience with Java/Python; hands-on robotics experience; teaching or mentoring preferred; strong communication and organizational skills; passion for STEM education.
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1w
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On-Site UX Assistant - TEMP
Irvine, California, United States
$23-$27/hr OnsiteFull Time
Miller Electric Company
Miller Electric Company: Provides electrical and technology infrastructure construction and maintenance services.
2+ YOE2 years design experience, proficiency with Microsoft PowerApps/Power Automate/Microsoft SharePoint and Microsoft Office, familiarity with HTML/Java Script, Adobe Creative Suite preferred, strong communication and problem-solving skills.
Microsoft PowerApps, Microsoft Power Automate, Microsoft SharePoint, Microsoft Office, Microsoft Excel, Microsoft Word, Microsoft Outlook, Adobe Creative Suite, HTML, Java Script
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2w
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Software Engineer
Boston or Encinitas
$124k-$168k/yr OnsiteFull Time
Paperless Parts
Paperless Parts: Cloud-based quoting software for custom part manufacturers.
2+ YOE2+ years coding experience, bachelors or equivalent, experience with modern web stacks (Python/TypeScript/React), API design, SQL, cloud (AWS/Azure/GCP), Docker and CI/CD, strong communication and collaboration skills.
Python, Django, FastAPI, TypeScript, React, PostgreSQL, AWS, Node, Express, Java, Spring, SQL, Docker, Jenkins, Cursor, Claude Code
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1w
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Programmer Analyst
Loma Linda, California, United States
$43-$58/hr HybridFull Time
Loma Linda University Health
Loma Linda University Health: Nonprofit academic medical center providing healthcare and higher education.
1+ YOEDesign, build, and maintain integrations; knowledge of SDLC, databases, development tools and healthcare workflows; bachelor's degree or seven years' related experience; 1+ year experience required.
PeopleTools, Application Designer, PeopleCode API, Integration Broker, JavaScript, CSS, HTML, XSL, WebLogic, Apache, Tuxedo, Cloverleaf, Sybase e*Biz Impact, OpenLink, OpenEngine, WebSphere, Microsoft EventHUB/Biztalk, C#, Python, Java, Visual Basic, Sun Products, Quovodax, Neon, SQL, Microsoft Suite, MS Project, Access
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