Freelance C Programming Language Jobs in California

Come and join Apple’s growing wireless silicon development team. Our wireless SoC organization is responsible for all aspects of wireless silicon development, emphasizing highly energy-efficient design and new technologies that transform the user experience at the product level. All of this is driven by a world-class vertically integrated engineering team spanning RF/Analog architecture and design, Systems/PHY/MAC architecture and design, VLSI/RTL design and integration, Emulation, Design Verification, Test and Validation, and FW/SW engineering.
Description
In this role, and as part of our team, you will deliver an RF integration end-to-end Solution, which includes DUT control development, pre-silicon emulation/simulation, integrated RF calibration. You will become a central hub which enables different phases from design development toward Apple product’s mass production. You will also be responsible for Wireless SoC-RF Bring up at the first touch, final Silicon validation results and compliance. You will get the opportunity to keep developing your technical depth in both HW and SW domains, such as understanding of wireless transceiver architecture, RF system and DSP knowledge, Software framework, RF driver and embedded system, and experience of delivery Apple products until productization.","responsibilities":"Develop and integrate RF end to end DUT control sequence and then verify it with emulation system.
Responsible for wireless-SOC RF functionality bring up.
Design and develop RF block and/or system calibrations including algorithms and optimizations.
RF performance optimization and characterization such as Psat, Mask, IP3, NF, ACPR, phase noise, lock time, return loss.
Design RF test bench and implement scripts which controls wireless-SOC and communicate test equipment.
Writing scripts that plot, parse and analyze large data sets.
Generate RF performance summary report based on characterization results again chip specification.
Develop RF Calibrations and tests for Wafer ATE and Module ATE mass productions and analyze ATE failures.
Develop RF FW based on python reference script.
Preferred Qualifications
Solid experience of RF parametric testing, such as IP3, NF, ACPR, phase noise, load pull.
Strong working knowledge of RF test equipments, such as; network analyzer, spectrum analyzer, vector signal analyzer, vector signal generator.
Strong Wireless RF background and familiarity with RF systems fundamentals, RF transceiver architectures and/or digital communication.
Proficiency with understanding RFIC block-level design schematics.
Some experience of RF PCB board design, debug, and development.
Python programming language is highly desired.
Experience with embedded system and C programming language.
Automation framework development.
Minimum Qualifications
BS and 10+ years of relevant industry experience.
Pay & Benefits
At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $175,000 and $308,500, and your base pay will depend on your skills, qualifications, experience, and location.
Apple employees also have the opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan. You'll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses - including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.