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Freelance Performance Testing Jobs in California

Partner with freelance creatives as needed to scale production. Performance Analysis & Iteration ... Own the creative testing roadmap and continuously push new hypotheses into market. Platform & Trend ...

... great performance Operations * Ensure that the counter is 'customer ready' from open to close of business * Maintain excellent counter hygiene standards. Clean display units, tools and testers ...

... great performance Operations * Ensure that the counter is 'customer ready' from open to close of business * Maintain excellent counter hygiene standards. Clean display units, tools and testers ...

... great performance Operations * Ensure that the counter is 'customer ready' from open to close of business * Maintain excellent counter hygiene standards. Clean display units, tools and testers ...

... great performance Operations * Ensure that the counter is 'customer ready' from open to close of business * Maintain excellent counter hygiene standards. Clean display units, tools and testers ...

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Freelance Performance Testing information

What are some common challenges faced by freelance performance testers when working with clients remotely?

Freelance performance testers working remotely often encounter challenges such as gaining access to secure testing environments, aligning with client teams across different time zones, and collecting comprehensive requirements for test scenarios. Communication barriers may arise, requiring clear documentation and proactive status updates to keep stakeholders informed. Additionally, freelancers need to manage their own schedules and resources to deliver high-quality results within tight deadlines. Overcoming these challenges requires strong organizational skills, adaptability, and the ability to quickly build rapport with client teams to ensure smooth project delivery.

What is a Freelance Performance Testing job?

A Freelance Performance Testing job involves assessing the speed, stability, scalability, and responsiveness of applications or systems under varying workloads. Freelancers in this role typically use tools like JMeter, LoadRunner, or Gatling to simulate real-world user traffic and identify performance bottlenecks. They work independently with different clients, analyzing performance issues and providing recommendations for optimization. This role requires strong analytical skills, experience with performance testing frameworks, and the ability to interpret test results effectively.

What are the key skills and qualifications needed to thrive in the Freelance Performance Testing position, and why are they important?

To thrive as a Freelance Performance Testing professional, you need strong analytical skills, expertise in software testing methodologies, and a background in computer science or related fields. Experience with performance testing tools such as JMeter, LoadRunner, or Gatling, and relevant certifications like ISTQB or specialized performance testing credentials are highly valuable. Effective communication, time management, and the ability to clearly report findings to both technical and non-technical stakeholders distinguish top freelancers in this field. These skills ensure accurate assessment of application performance, timely delivery of projects, and clear client collaboration, all of which are crucial for repeat business and reputation.

What are the most commonly searched types of Performance Testing jobs in California? The most popular types of Performance Testing jobs in California are:
What are popular job titles related to Freelance Performance Testing jobs in California? For Freelance Performance Testing jobs in California, the most frequently searched job titles are:
What job categories do people searching Freelance Performance Testing jobs in California look for? The top searched job categories for Freelance Performance Testing jobs in California are:
What cities in California are hiring for Freelance Performance Testing jobs? Cities in California with the most Freelance Performance Testing job openings:
Infographic showing various Freelance Performance Testing job openings in California as of July 2026, with employment types broken down into 6% Locum Tenens, 32% Full Time, 7% Part Time, 1% Temporary, 7% Contract, and 47% Nights. Highlights an 67% Physical, 2% Hybrid, and 31% Remote job distribution.

Electronics Engineer / Freelance

RKS Design, Inc.

Westlake Village, CA • On-site

Contractor

Medical, Dental, Life, Retirement

Re-posted 18 days ago


Job description


About Us:
RKS has been at the forefront of Industrial Design in the United States for the last 40 years. We have built a reputation for delivering full-spectrum product design and development services-creating meaningful innovation across industries, from medical devices and consumer electronics to wearables and home goods. Our cross-functional approach integrates design, engineering, and human-centered thinking to produce award-winning products that drive emotional connection and market success.
Job Summary:
We are seeking a highly skilled and experienced Electronics Engineer to consult on a freelance basis with our interdisciplinary team. This role requires a hands-on, systems-level thinker who can architect and implement electronic subsystems within a variety of product categories. The ideal candidate will collaborate closely with mechanical, software, and industrial design teams to develop elegant, functional, and manufacturable products from concept through prototyping.
Key Responsibilities:
  • Design and develop electronic systems for consumer, medical, and industrial products.
  • Create schematics, select components, and develop PCB layouts using tools such as Altium or Eagle.
  • Develop, debug, and test analog and digital circuits including micro-controllers, power supplies, sensors, and wireless modules.
  • Build and program proof-of-concept electronics prototypes (e.g., Arduino, Raspberry Pi, custom boards).
  • Work with mechanical engineers to ensure seamless integration of electronics into the physical product design.
  • Collaborate with firmware and software developers to ensure hardware compatibility and performance.
  • Perform troubleshooting, testing, and debugging of hardware systems throughout the development lifecycle.
  • Contribute to documentation for design intent, testing procedures, compliance, and production hand-off.
  • Provide insight into design-for-manufacturing (DFM), regulatory compliance, and BOM cost optimization.
  • Participate in brainstorming sessions, technical reviews, and product refinement workshops.
  • Stay abreast of emerging technologies and component innovations relevant to product development.

Requirements
Qualifications:
  • Bachelor's degree in Electrical Engineering, Electronics Engineering, or a related discipline; Master's degree is a plus.
  • 5+ years of hands-on experience designing electronics for commercial or industrial products.
  • Proficiency with electronic design tools (Altium Designer, Eagle, KiCad, or similar).
  • Strong understanding of micro-controller systems, low-power design, sensor integration, and communication protocols (I2C, SPI, UART, BLE).
  • Experience with embedded systems and basic firmware development is preferred.
  • Ability to rapidly prototype and iterate on electronic subsystems.
  • Excellent problem-solving, communication, and collaboration skills.
  • Knowledge of safety, EMI/EMC, and regulatory standards (FCC, CE, IEC, ISO 60601, etc.) is a strong advantage.

Preferred Qualifications:
  • Experience in client-facing or cross-disciplinary team environments.
  • Prior consulting or agency-based product development experience.
  • Familiarity with medical device development cycles and documentation practices is a plus.

Benefits
  • Medical Insurance
  • Dental Insurance
  • Paid Holidays
  • 401(k) as defined in the employee handbook
  • Sick Leave
  • Vacation

Let me know if you'd like this adapted for a full-time role, revised for a specific sector (e.g., wearables, medical), or turned into a formatted PDF or job board post.
You said:
10 years exp, no benefits
ChatGPT said:
Here is the revised Electronics Engineer job posting reflecting 5+ years of experience and no benefits, suitable for a freelance/contract role:
Job Description
About Us:
RKS has been a leader in Industrial Design for over 40 years, delivering innovation that transforms everyday life across industries-from medical devices and consumer electronics to mobility solutions and lifestyle products. Our multidisciplinary team combines creativity, engineering, and human-centered thinking to produce emotionally resonant, market-winning designs.
Job Summary:
We are looking for a highly experienced Freelance Electronics Engineer to consult with our product development team on a project-by-project basis. This role is ideal for a senior-level engineer with 10+ years of experience who can independently lead the design and integration of electronic systems across a range of complex product categories. You will collaborate with mechanical, firmware, and industrial designers to create fully integrated, production-ready solutions.
Key Responsibilities:
  • Lead the design, development, and testing of electronic hardware for consumer, medical, and industrial products.
  • Develop circuit schematics, select components, and design PCB layouts using tools like Altium, Eagle, or KiCad.
  • Build and program hardware prototypes using micro-controller platforms such as Arduino, STM32, or Raspberry Pi.
  • Collaborate with mechanical and firmware teams to ensure tight system integration and reliable operation.
  • Define electrical architecture, power budgets, and communication protocols (e.g., I2C, SPI, BLE, USB).
  • Troubleshoot and debug circuits across development stages-from bread-boarding to final PCBA.
  • Evaluate and specify off-the-shelf components, sensors, and modules to meet performance, cost, and compliance targets.
  • Prepare documentation including BOMs, test reports, and production handoff materials.
  • Advise on design for manufacturability (DFM), regulatory compliance, and lifecycle risk.
  • Contribute to design reviews and help drive technical decision-making across projects.

Requirements
Qualifications:
  • Bachelor'sdegree in Electromechanical Engineering, Electrical Engineering, or arelated field; a Master's degree is a plus.
  • Provenexperience in designing and integrating electronics into mechanicalsystems.
  • Proficiencyin CAD software (e.g., SolidWorks, AutoCAD) and electronic designautomation (EDA) tools (e.g., Altium SW, Eagle).
  • Strongunderstanding of circuit design, micro-controllers, sensors, and actuators.
  • Experiencewith embedded systems and firmware development is a plus.
  • Excellentproblem-solving skills and attention to detail.
  • Strongcommunication and teamwork abilities.
  • Abilityto manage multiple projects and meet deadlines.
  • Familiaritywith regulatory standards and certification processes for consumer,medical, and industrial products.

PREFERRED QUALIFICATIONS
  • Client-facing,project management experience is highly preferred
  • Consulting/ Agency experience is highly preferred
  • Experiencewith medical product development a plus

Benefits
Benefits
  • MedicalInsurance
  • DentalInsurance
  • Paidholidays
  • 401 Kas defined in the employee handbook
  • Sickleave
  • Vacation