Qian J.
FreelancerTop Rated PlusLinux Kernel Expert/Network/Embedded/Cloud/Performance/Troubleshooting
Member since 2021 · 100% Job Success
View on Upwork
WorldTop 0.13%
ChinaTop 0.09%
CTop 0.25%
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upworkrank#8in C · Top 0.25%Share this rank
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$9.9k
MRR
est. monthly
#1,342
World rank
of 1,051,158
$557k
Lifetime earnings
since 2021
141
Total jobs
completed
About
Highly experienced and skilled in linux system, linux kernel and linux system programming. I had served in NXP semiconductor for 7 years, and worked in linux field for more than 15 years.
Linux Kernel
- Subsystem: KVM Virtualization, Filesystem, Network, USB, Linux Video
- Debugging: Performance, System Analysis, Software Debugging, OOPS
Embedded Linux
- Frameworks: OpenWRT, Yocto, Android
- Device Driver: USB, XHCI, WIFI, LTE, Network, Camera
Linux System Development
- System: Ubuntu, Centos, Archlinux, Raspberry pi, Orange pi
- Network: VPN, VXLAN, IPTABLE, Router, Wireguard
- Virtualization: Qemu, Libvirt, Virtualbox, Docker, K8s
Programming Skills
- C/C++
- Bash/Makefile
- Android
- Python
Rankings
Where Qian J. ranks by monthly revenue, worldwide, in China, and in every Upwork skill it competes in.
World#1,342 / 1,051,158Top 0.13%
China#8 / 9,282Top 0.09%C#8 / 3,252Top 0.25%
Embedded Linux#2 / 789Top 0.25%
Embedded C#4 / 1,645Top 0.24%
Linux#11 / 5,525Top 0.2%
Kernel#2 / 100Top 2%
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Freelancer snapshot
On Upwork since2021
Rating100% Job Success
Skills tracked5
Skills
CEmbedded LinuxEmbedded CLinux
Qian J. works mainly in C, ranking top 0.25% of freelancers in that skill.
MRR trendSoon
Last 12 weeks
Coming soon
Competitors on the board
Who ranks just above and below by MRR across all freelancers.
This freelancer is #1,342 of 1,051,158 across all freelancers.
RankFreelancerMRRMRR trend
MRR benchmark
Qian J. earns more than 99.87% of all freelancers we track.
Top 0.13%
among all freelancers we track
$0–$500
32%
$500–$1k
12%
$1k–$2.5k
17%
$2.5k–$5k
13%
$5k–$10k
12%
$10k–$25k
10%
$25k–$50k
3%
$50k+
1%
Qian J.'s bracket · $9.9k
You32%$0–$500
You12%$500–$1k
You17%$1k–$2.5k
You13%$2.5k–$5k
You12%$5k–$10k
You10%$10k–$25k
You3%$25k–$50k
You1%$50k+
Qian J. earns an estimated $9.9k/mo. That's 6.7× the typical freelancer and more than 99.87% of everyone we track.
Freelancers with no recent MRR are excluded. Only the 151,011 freelancers with active monthly revenue are ranked here.
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MRR is an estimate from Upwork's public figures - not an Upwork-official number.