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Temporary Senior Java Developer Jobs in Upland, CA

Senior Test Engineer

Brea, CA · On-site

$52 - $60/hr

Advanced programming skills in scripting or programming languages (e.g., Python, Java) for test automation * Familiarity with performance testing tools (e.g., JMeter, LoadRunner) and analyzing ...

This role is responsible for executing C4I systems maintenance, engineering, integration, and ... Duration may range from short-term temporary duty to extended support periods based on operational ...

Proven ability to develop automations/applications using Python, Typescript, Java, or PowerShell ... with developers to resolve them * Understanding of layer 2-7 communication protocols, common ...

As a leading consulting engineering firm, we provide thoughtful engineering design that is ... temporary mockups, etc. * Perform research and analysis of design options. Prepare the basis of ...

As a leading consulting engineering firm, we provide thoughtful engineering design that is ... temporary mockups, etc. * Perform research and analysis of design options. Prepare the basis of ...

Sr. Designer (Lighting)

Monrovia, CA · On-site

$90K - $100K/yr

As a leading consulting engineering firm, we provide thoughtful engineering design that is ... temporary mockups, etc. * Perform research and analysis of design options. Prepare the basis of ...

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Temporary Senior Java Developer information

See Upland, CA salary details

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$63

$87

How much do temporary senior java developer jobs pay per hour?

As of Jun 14, 2026, the average hourly pay for temporary senior java developer in Upland, CA is $63.99, according to ZipRecruiter salary data. Most workers in this role earn between $56.06 and $71.49 per hour, depending on experience, location, and employer.

What are Temporary Senior Java Developers?

Temporary Senior Java Developers are experienced software engineers who specialize in Java and are hired on a short-term or contract basis. They are responsible for designing, developing, and maintaining high-quality Java applications, often filling in for permanent staff, supporting projects with tight deadlines, or providing expertise for specific tasks. Their seniority means they typically have several years of experience, strong problem-solving skills, and the ability to mentor junior developers. These professionals help organizations address immediate project needs without committing to a long-term hire.

What are the key skills and qualifications needed to thrive as a Temporary Senior Java Developer, and why are they important?

To thrive as a Temporary Senior Java Developer, you need advanced proficiency in Java programming, strong problem-solving skills, and several years of software development experience, often supported by a relevant degree or certifications. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and experience with version control systems like Git are typically required. Excellent communication, adaptability, and leadership are standout soft skills for collaborating with teams and mentoring junior developers. These skills and qualities are essential for quickly delivering high-quality software solutions and integrating effectively within short-term project teams.

What are the typical challenges faced by a Temporary Senior Java Developer when joining an existing project?

As a Temporary Senior Java Developer, one of the main challenges is quickly acclimating to the existing codebase and understanding the team's development workflows. You may need to rapidly get up to speed on project-specific frameworks, architectural decisions, and ongoing priorities while balancing expectations for immediate productivity. Collaborating effectively with a new team, often under tight deadlines, requires strong communication and adaptability. Leveraging your experience to make impactful contributions without disrupting established processes is key to success in this role.

What is the difference between Temporary Senior Java Developer vs Temporary Java Developer?

AspectTemporary Senior Java DeveloperTemporary Java Developer
Required CredentialsBachelor's in Computer Science, Java certifications, 5+ years experienceBachelor's in Computer Science, Java certifications, 1-3 years experience
Work EnvironmentProject-based, team collaboration, client-facingProject-based, team collaboration, client-facing
Employer & Industry UsageIT firms, software companies, consulting agenciesIT firms, software companies, startups
Common Search & ComparisonYesYes

The main difference between a Temporary Senior Java Developer and a Temporary Java Developer lies in experience and expertise. The senior role requires more years of experience, advanced skills, and often leadership capabilities, while the Java Developer position is suitable for those with less experience. Both roles are commonly used in IT and software development industries for project-based work.

What cities near Upland, CA are hiring for Temporary Senior Java Developer jobs? Cities near Upland, CA with the most Temporary Senior Java Developer job openings:

Senior Test Engineer

RAVE Aerospace LLC

Brea, CA • On-site

$52 - $60/hr

Full-time

Medical, Retirement, PTO

Posted 4 days ago


Job description

The Test Engineer role is a key position with responsibility for defining and executing test procedures for the purpose of validating and improving product behavior and reliability. This role encompasses feature validation, bug fix verification, identifying, reporting, and potentially triaging problems, and identifying opportunities for improvement.
Core Responsibilities
  • Design, develop, and execute sophisticated test cases and procedures to validate intricate product features and functionality
  • Independently identify, document, and articulate bugs or defects with precision and reproducibility
  • Lead collaboration across cross-functional teams to define and achieve comprehensive test coverage aligned with product strategy
  • Drive validation of new product features, ensuring adherence to design specifications and user requirements
  • Perform rigorous functional, regression, and exploratory testing, integrating automation where applicable
  • Lead triaging and root cause analysis of complex issues, prioritizing resolutions effectively
  • Innovate and implement enhancements to testing methodologies, tools, and workflows, enhancing overall quality
  • Maintain meticulous documentation of test plans, results, and known issues, ensuring clarity and accessibility
  • Utilize advanced testing tools and software to optimize team efficiency and adapt to evolving frameworks

Requirements
  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience
  • Basic understanding of software testing principles, methodologies, and processes
  • Familiarity with defect tracking tools and test management software
  • Ability to write clear and concise test cases and documentation
  • Strong analytical and problem-solving skills
  • Effective communication and collaboration skills within a cross-functional team environment
  • Eagerness to learn new technologies, tools, and processes related to software testing
  • Basic knowledge of programming or scripting languages is a plus
  • Familiarity with automation tools or willingness to learn is a bonus
  • Detail-oriented with a commitment to ensuring product quality
  • 6-10 years of experience in software testing or a related role, with demonstrated leadership in testing and quality assurance initiatives
  • Proficiency in designing, implementing, and optimizing automated testing frameworks and test suites
  • Advanced experience with automation tools (e.g., Selenium, Cypress) and integrating automation into CI/CD pipelines
  • Strong expertise in API testing and automation, with hands-on experience using tools like Postman, SoapUI, or REST-assured
  • Proven ability to mentor and guide junior and mid-level testers, promoting technical growth and best practices
  • Demonstrated success in leading testing efforts for complex projects, including functional, regression, and performance testing
  • Experience identifying process inefficiencies and implementing solutions to improve testing effectiveness and product quality
  • Certifications in software testing or quality assurance (e.g., ISTQB Advanced Level, Certified Software Test Professional)
  • Advanced programming skills in scripting or programming languages (e.g., Python, Java) for test automation
  • Familiarity with performance testing tools (e.g., JMeter, LoadRunner) and analyzing performance bottlenecks
  • Proven experience in performance testing for enterprise systems using tools like JMeter or LoadRunner

Benefits
The starting pay range for this position is $52-$60 per hour however, the base pay offered may vary depending on the level of the position, skills, experience, job-related knowledge, and location.
In addition to a comprehensive package of health benefits that include company contributions, RAVE Aerospace offers a variety of additional benefits and perks to enhance your work-life balance experience including but not limited to:
  • Discretionary bonus program
  • Future financial security with a 401(k) program with a company match
  • Paid time off covering vacations, personal time off, and sick days, capped off by an exciting year-end holiday shutdown