# Jeffer Leung

> Motorsports Product Design Engineer | Data Annotator at Apple

Location: San Martin, California, United States
Profile: https://flows.cv/jeffer

## Work Experience
### Automotive Mechanic @ Annex Suspension Group / Battle Garage Racing Service
Jan 2025 – Present | Fremont, California, United States
• Aftermarket installation of suspension components including services such as but not limited to corner balancing, ride height, and bump stop adjustment for motorsports application
• Perform root cause analysis to determine and identify the underlying causes of a problem, incident, or failures

### Product Design: Prototyping and Product Development @ Annex Suspension Group / Battle Garage Racing Service
Jan 2022 – Present | Fremont, CA
• Lead the full development lifecycle of multiple motorsports specific products simultaneously from initial concept in CAD, to prototyping with 3D scanning and printing technology, to the final mass production and packaging design.
• Develop detailed SolidWorks models, assemblies, and configurations optimized for manufacturing and scalability with fully annotated 2D drawings consisting of GD&T, tolerance stack-up, and clear manufacturing specifications to eliminate ambiguity.
• Take charge as the primary technical point of contact for overseas manufactures to not only ensure drawings and specifications are correctly interpreted but also aid in resolving manufacturing issues including fit, finish, tolerance, and cosmetic defects. 

Some early parts designed:
• Camber Plate Adapter Spacers - (https://www.instagram.com/p/ClSBdTnOJKn/?igshid=ZmVmZTY5ZGE=)
• Camber and Caster Adjustable Plate - (https://www.instagram.com/p/CoL6IL3tHju/)
• Titanium Lug nuts - (https://www.instagram.com/battlegarage_rs/p/DAKU9Ids062/?img_index=1)
• Throw-out Bearing - (https://www.instagram.com/battlegarage_rs/p/CzFSCZTse9z/?img_index=1)
• AE86 Billet OEM style cup holder - (https://www.instagram.com/battlegarage_rs/p/CvGlybZtFGH/?img_index=1)
• Delrin Hubcentric Rings - (https://www.instagram.com/battlegarage_rs/reel/Ct0X7sRMHaV/)
• Billet Hubcentric Spacers - (https://www.instagram.com/battlegarage_rs/p/CpoI_XqNEka/?img_index=1)
• AE86 Driveshaft Safety Loop - (https://www.instagram.com/battlegarage_rs/p/CtiHTgQMaRX/?img_index=1)

### Marketing Assistant: Content Creator and Short-Form Cinematographer @ Annex Suspension Group / Battle Garage Racing Service
Jan 2022 – Present | Fremont, California, United States
• https://www.instagram.com/annexsuspension/reel/CeU2ks0AW-H/
• https://www.instagram.com/annexsuspension/reel/CfvGsszJGzL/
• https://www.instagram.com/annexsuspension/reel/CznLd_UrM6-/
• https://www.instagram.com/annexsuspension/reel/Cu5Ur03AwUO/
• https://www.instagram.com/annexsuspension/reel/CvdXNwONUjk/

### Data Annotator @ OSI Engineering
Jan 2025 – Present | Sunnyvale, California, United States
• Modify, render, and accurately annotate raw point cloud and imagery scan data into usable 3D mesh to train AI and ML models.
• Ensure and review rendered data for quality, accuracy, and adherence to strict project guidelines.
• Collaborate with team members, project managers, and FTE software engineers to identify program bugs, data quality issues, inconsistencies, and suggest methods to improve annotation workflow efficiency.

### Product Strategist @ Self-Employed
Jan 2021 – Present
Street-wear brand and Creative Director

Oversee all aspects of business management including but not limited to:
• Perform financial data entry and manage product inventory, shipping, and business finances documenting any and all expenses and related sales
• Produce product photography and create digital assets for the website and social media outlets
• Build and inspect landing pages, product information, checkout options, and all other pertinent website-related systems to ensure their visual appeal, accuracy, and ease of use
• Fulfill, produce, and maintain quality control in-house

### Automotive Content Creator @ Self-Employed
Jan 2016 – Present
• Perform A/B testing
• Content creator and consumer 
• Community engagement
• Idea planning and execution
• Research format requirements to draft the highest quality assets and templates for online host services

### Photographer and Cinematographer @ Self-Employed
Jan 2018 – Present
Freelance Photographer and Cinematographer in automotive with overlap in product photography

• Stage and produce photographs of a subject creating a visual story by highlighting core features and taking advantage of the location to support the message that is being conveyed  
• Edit and optimize final assets for intended social media outlets ensuring maximum quality for each deliverable
• Advise and leverage social media tools such as hashtags, stories, and trends to increase reached by 300% and account engagement by 150%

### Designer @ Self-Employed
Jan 2012 – Present
Freelance Graphic and Logo Designer

• Identify the clients story, problem, limitations, and solution
• Execute detailed artwork and designs based on ideas, storyboards, and references as provided
• Communiate periodic updates to ensure that the design is consistent with the clients brand guidelines
• Develop and optimize deliverables for intended vendors and service providers

### Data labeling (2D and 3D Environment Imagery Editor) @ PRO Unlimited
Jan 2022 – Jan 2023 | Santa Clara, California, United States
• Efficiently identify, annotate, and correct issues by annotating 2D and 3D imagery
• Optimize existing processes in order to efficiently meet client's goals and deadlines
• Skillfully analyze and remedy deficiencies by correcting 3D generated data
• Communicate effectively in a team environment in order to increase and maintain productivity
• Use comparative analysis to establish conformity and consistency throughout the projects
• Self QA designed tasks prior to completion
• Ability to be open and receptive to feedback and execute necessary changes in a timely manner

### Data labeling (2D and 3D Environment Imagery Editor) @ Apex Systems
Jan 2022 – Jan 2022 | Santa Clara, California, United States
• Efficiently identify, annotate, and correct issues by annotating 2D and 3D imagery
• Optimize existing processes in order to efficiently meet client's goals and deadlines
• Skillfully analyze and remedy deficiencies by correcting 3D generated data
• Communicate effectively in a team environment in order to increase and maintain productivity
• Use comparative analysis to establish conformity and consistency throughout the projects
• Self QA designed tasks prior to completion
• Ability to be open and receptive to feedback and execute necessary changes in a timely manner

### Automotive Mechanic @ Willow Glen Auto Electric
Jan 2022 – Jan 2022 | San Jose, California, United States
General maintenance and automotive repair

• Service and maintain vehicles
• Diagnose and inspect all systems of vehicles based on customer complaint
• Report to shop owner of findings and suggestions based on symptoms and customer stated issues
• Participate in simple repairs such as brakes to complex full engine replacement 
• Maintain safety and shop cleanliness

### Digital Marketing: Content Creator @ Digital Storm PC
Jan 2021 – Jan 2022 | United States
Content Creation Specialist

• Create and produce weekly YouTube videos through organic narratives and interactive digital content to increasing overall viewership promoting brand awareness
• Collaborate directly with the CEO, senior managers, and department technicians to create production quality content and fulfill engagement activities scaling overall exposure on social media by 30% (Instagram: 194K, YouTube: 148K, Twitter: 152K)
• Implement a monthly scheduler to curate post from Adobe creative tools on all social platforms (Instagram, YouTube, and Twitter) to help grow viewership by 1000% over 3 months by leveraging stories, reels, hashtags, and cross platform marketing  
• Plan and execute all web, SEO/SEM, database marketing, social media, and display advertising campaigns to help promote high quality media that increase team efficiency and content production (posting once a month to 3-5 times a week)
• Assist in developing concepts for prototypes considering aspects such as function, aesthetics, production costs, serviceability and usability of the product.

Published Youtube Videos:
ep01 • https://www.youtube.com/watch?v=gtKMR_ruBrY&t
ep02 • https://www.youtube.com/watch?v=olt7tOBq4Cg&t
ep03 • https://www.youtube.com/watch?v=8SgfzlqGFtw&t
ep04 • https://www.youtube.com/watch?v=oO90CosmCkY
ep05 • https://www.youtube.com/watch?v=hf9Fi52F7XE
ep06 • https://www.youtube.com/watch?v=yuwWB7K3cpo&t
ep07 • https://www.youtube.com/watch?v=OgkbOnIZFio
ep08 • https://www.youtube.com/watch?v=ONpLARwx_Dk&t
ep09 • https://www.youtube.com/watch?v=CyP5zsGGZSQ
ep10 • https://www.youtube.com/watch?v=2NrFVGBseUo
ep11 • https://www.youtube.com/watch?v=qgnpBRj5BMs
ep12 • https://www.youtube.com/watch?v=Sal1fkdubYA
ep13 • https://www.youtube.com/watch?v=nloqufDt020&t

Unpublished Video Projects:
• https://www.youtube.com/watch?v=aQooacBpkwE
• https://www.youtube.com/watch?v=309txyn2B4Q
• https://www.youtube.com/watch?v=xZ0CJism_RI
• https://www.youtube.com/watch?v=YUZzqgIlwQE

### Automotive Mechanic @ Speedyskunk
Jan 2020 – Jan 2021 | Speedyskunk Performance & Restoration
Specialty Vintage Automotive Mechanic

• Built and restored classic and vintage vehicles providing custom fabrication and installations of high value parts ensuring that all tasks were completed and documented with the highest level of craftsmanship often resulting in a 300% increase in appraised value.
• Supported the owner and master mechanic managing multiple $100,000+ classic and vintage vehicles, rotating through, general maintenance, diagnostics, repairs, and specialized modifications of automotive systems and units.
• Collaborated and communicated with other mechanics on disassembly and reassembly of factory or modified vehicles increasing project and task efficiency by 50% while maintaining 
• Provided personal and specialized technical skills promoting a cross-functional team allowing for in-house solutions to difficult technical problems reducing unnecessary outsourcing and maximizing profit by 80%.

### Assembly Technician @ Digital Storm PC
Jan 2018 – Jan 2020 | Gilroy, California
Assembly Technician and System Integrator

• Aided in establishing a straightforward reference standard for all pre-built systems and high-end water-cooling configurations increasing production output while increasing overall production quality from each team member.
• Assisted the marketing department by providing creative top tier computers for YouTube videos, high-level clients, tradeshow events, conferences, and partnership challenges taking 1st place in the 2019 ASUS ROG Ultimate Build Off competition.
• Coordinated with the assembly department supervisor training new-hires and managing a team of 5+ technicians by providing proper guidance and answers to any questions regarding high-end production systems and water-cooled builds.
• Managed team efficiency by dividing supervision among veterans between custom and non-custom water-cooled systems to aid in build consistency and increased team productivity

Notable assigned projects:
• Spotify
• Digital Storm's website / social media / youtube
• Computex 2019
• Twitchcon 2019
• Asus ROG Ultimate Build Off Competition 2019
• Nvidia
• Make A Wish Foundation
• Various Influencer and Public Figures 

Videos I have made a contribution in:
ASUS ROG Ultimate Build Off:
• https://www.youtube.com/watch?v=dZ9RhpsUXq0&t
• https://www.youtube.com/watch?v=dydfj4WWm8o
$9000 pc build
• https://www.youtube.com/watch?v=Mt91Iinj9NU&t
• https://www.youtube.com/watch?v=6555_7JeoJk
Hyperbuild Season 1
• https://www.youtube.com/watch?v=_LC4RupMLfg&t
• https://www.youtube.com/watch?v=QKBP1oGoBDk
• https://www.youtube.com/watch?v=E-yEpDxg69Y
• https://www.youtube.com/watch?v=9Tm_Qc8ccAA
Hyperbuild Season 2
• https://www.youtube.com/watch?v=KjJl8zclEJU
Linus Tech Tips i9 9900ks build
• https://www.youtube.com/watch?v=zbEf5aOiY2Y&t
Honor Your Heroes Project
• https://www.youtube.com/watch?v=LHNi2Tp-RjY&t

Featured builds:


## Education
### Bachelor of Arts - BA in Art/Art Studies, General
UC Irvine

### Bachelor of Arts - BA in Art/Art Studies, General
University of California, Irvine Claire Trevor School of the Arts

### Engineering
Gavilan College

### Engineering
West Valley College

### Engineering
Mission College


## Contact & Social
- LinkedIn: https://linkedin.com/in/jefferleung

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Source: https://flows.cv/jeffer
JSON Resume: https://flows.cv/jeffer/resume.json
Last updated: 2026-04-13