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Tester Developer Jobs in California (NOW HIRING)

Kern Energy

Tester

Bakersfield, CA · On-site

$35.02/hr

Communicate test results and collaborate with operations, engineering, and laboratory personnel to ... Conduct special testing, prepare reports, and provide laboratory data as requested. * Process ...

ClifyX

Big data tester

Torrance, CA · On-site

ClifyX is seeking a Test Engineer to work onsite in Torrance, CA. The role involves handling projects independently and collaborating with various teams to facilitate testing, ensuring quality ...

Foxconn-PCE Technology

Testing Engineer

Santa Clara, CA · On-site

$130K - $155K/yr

The Testing Engineer is responsible for supporting AI server product test execution, test station readiness, test yield improvement, failure escalation, and production test support. This role ensures ...

ATA Engineering, Inc

Dynamics Testing Engineer

CA · On-site

$85K - $125K/yr

Develop specialized software application tools to enhance testing. Requirements: * B.S., M.S., or Ph.D. in Aerospace, Mechanical, or Structural Engineering with excellent academic record.

Jobsbridge

Mobile Tester

Sunnyvale, CA · On-site

Automation engineer/Manual Tester Knowledge of Android/ ADB etc Experience Python and/or some high level Scripting language Very strong fundamentals of QA. Good to Excellent writing skill in English ...

VDart, Inc.

Oracle Application Tester

San Francisco, CA · On-site

Track defects and work with developers to resolve issues. * Perform database testing using basic SQL queries. * Test Oracle application changes, enhancements, and fixes. * Perform end-to-end testing ...

INTELLISWIFT INC

Mobile Tester

Mountain View, CA · On-site

Automation engineer/Manual Tester Knowledge of Android/ ADB etc Experience Python and/or some high level Scripting language Very strong fundamentals of QA. Good to Excellent writing skill in English ...

Lorven Technologies

Manual Tester

Mountain View, CA · On-site

Manual QA (Test) Engineer having experience in Android device testing for features like BT, WiFi & DCT. Prior experience at Google playing similar role is preferred * Knowledge of Mobile devices ...

InterSources Inc

Tester Lvl 3

Fremont, CA · On-site

... Azure DevOps, etc.), strong analytical and communication skills, SQL experience. • Familiarity with all phases of Application Life Cycle Management, automated testing tools, and frameworks.

360 IT Professionals

Pega Tester

Sacramento, CA · On-site

We use Objective C and Swift programming languages to create native applications for iPhone ... Execute System and Regression Testing * Collect, review and validate test data * Report and track ...

VOLT

Materials Testing Engineer

San Diego, CA · On-site

$40 - $44.77/hr

As a Materials Testing Engineer, you will: * Perform and coordinate mechanical testing of materials, including: Thermophysical; Tensile and Stress-Strain Characterization; Low Cycle Fatigue (LCF)

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Tester Developer information

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How much do tester developer jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for tester developer in California is $29.68, according to ZipRecruiter salary data. Most workers in this role earn between $27.07 and $32.02 per hour, depending on experience, location, and employer.

What is the difference between Tester Developer vs QA Engineer?

AspectTester DeveloperQA Engineer
CredentialsTypically requires programming skills, testing certifications (e.g., ISTQB), and software development knowledgeOften holds testing certifications, quality assurance training, and may have software testing experience
Work EnvironmentWorks closely with developers in Agile or DevOps teams, involved in automated and manual testingFocuses on testing processes, quality standards, and ensuring product quality across development stages
Industry UsageCommon in software development companies, especially in roles emphasizing automationWidely used across IT, software, and tech industries focusing on quality assurance

Tester Developers and QA Engineers both focus on software quality but differ in their approach. Tester Developers often have programming skills and work on automated testing, while QA Engineers focus on testing processes and quality standards. Both roles are essential for delivering high-quality software products.

Are software testers still in demand?

Software testers remain in demand as companies prioritize quality assurance and software reliability. Skills in automation tools, scripting, and understanding of development processes enhance employability in this field.

How to become a tester developer?

To become a tester developer, you typically need a background in software development and testing, often requiring knowledge of programming languages such as Java, Python, or C#. Gaining experience with testing tools, automation frameworks, and understanding software development life cycles is essential. Earning certifications like ISTQB or Certified Software Tester can also enhance your qualifications.

What is the role of a tester developer?

A tester developer designs, develops, and maintains automated tests to ensure software quality. They often work closely with developers to identify bugs, improve testing frameworks, and use tools like Selenium or JUnit. Strong programming skills and knowledge of testing methodologies are essential for this role.

What cities in California are hiring for Tester Developer jobs?

Cities in California with the most Tester Developer job openings:

Tester Developer jobs near you

Tester

Bakersfield, CA • On-site

Kern Energy
See more jobs at Kern Energyexternal

$35.02/hr

Other

Posted 10 days ago

Job description

Job Details

Level: Experienced
Job Location: Corporate Office - Bakersfield, CA 93307
Position Type: Full Time
Education Level: 4 Year Degree
Salary Range: $35.02 - $35.02 Hourly
Travel Percentage: None
Job Shift: Rotating 12-hour Shift
Job Category: Other

Position Summary

Kern Energy is seeking a Tester who performs laboratory testing and analysis of refinery raw materials, intermediate products, and finished products to ensure compliance with quality, regulatory, and operational requirements. This position operates and maintains laboratory instrumentation, performs calibration and quality control activities, manages testing data within LIMS, and supports the Kern Laboratory Quality Control Program. The successful candidate will exhibit Kern's core values of Teamwork, Safety, Excellence, Integrity, and Connection.

Job Function
  • Maintain a safe, clean laboratory environment and properly handle hazardous materials and waste.
  • Prioritize work assignments and communicate scheduling conflicts to the Lab Supervisor and affected departments.
  • Collect and test finished product, blend component, truck, and railcar samples in accordance with established procedures and testing protocols.
  • Perform routine ASTM testing and operate laboratory instruments according to approved SOPs.
  • Enter, manage, and distribute laboratory results through the Laboratory Information Management System (LIMS).
  • Maintain records and documentation for physical, chemical, and instrumental testing activities.
  • Communicate test results and collaborate with operations, engineering, and laboratory personnel to support refinery performance and problem-solving efforts.
  • Operate, maintain, and verify laboratory instruments, including:
    • Automatic Distillation Units
    • Flash Point Analyzers
    • Density Meters
    • Other analytical laboratory equipment
  • Support calibration, standards verification, and quality control checks to ensure data accuracy and instrument reliability.
  • Maintain laboratory supply and consumable inventories.
  • Support the Quality Control Program and ASTM D6299 requirements.
  • Conduct special testing, prepare reports, and provide laboratory data as requested.
  • Process, retain, and dispose of samples in accordance with laboratory procedures.
  • Comply with laboratory labeling, hazard communication, and safety requirements.
  • Stay current with industry standards, regulatory requirements, and testing methodologies.
  • Perform other duties as assigned.
QualificationsKnowledge Skills
  • Knowledge of laboratory techniques, chemical analysis, and quality control principles.
  • Familiarity with refinery laboratory equipment, instrumentation, and software applications.
  • Working knowledge of ASTM, UOP, IP, and EPA test methods.
  • Proficiency with Microsoft Office and Laboratory Information Management Systems (LIMS), preferably Baytek Bliss.
  • Ability to operate instrument software interfaces and manage laboratory data.
  • Strong attention to detail and recordkeeping skills.
  • Effective troubleshooting and problem-solving abilities.
  • Strong written and verbal communication skills.
  • Knowledge of laboratory safety practices and industry standards.
  • Ability to adapt to changing priorities in a fast-paced environment.
  • Commitment to accuracy, precision, and reliability.
  • Ability to work independently and collaboratively within a team.
  • Ability to work 12-hour rotating shifts and overtime as required.
  • Refinery, petroleum, chemical, or petrochemical laboratory experience preferred.
Education/ Experience
  • Bachelor's degree in Chemistry, Chemical Engineering, or a related scientific field preferred.
  • Associate degree with relevant experience may be considered.
  • Previous laboratory experience preferred.
  • Experience working with Laboratory Information Management Systems (LIMS) preferred.
  • Refinery, petroleum, chemical, or petrochemical laboratory experience preferred.
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