Green Card C Software Engineer Jobs
C Software Engineer roles qualify for EB-2 and EB-3 green card sponsorship through PERM labor certification, where your employer documents recruitment efforts before filing your I-140 petition. Systems-level programming expertise is in sustained demand, and many U.S. technology employers are prepared to sponsor permanent residency for qualified engineers.
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Get Access To All JobsHiring: Embedded C Developer – OpenWrt/OpenSync
Location: Englewood, CO – Onsite
Experience: 5+ Years
We are looking for an Embedded C Developer with strong experience in Embedded Linux/OpenWrt and networking to develop firmware for next-generation WiFi routers with LTE/5G cellular backup.
Must-Have Skills:
- Embedded C & Linux
- OpenWrt – UCI, build system, packages
- OpenSync / OVSDB / MQTT
- LTE/5G modem integration – AT Commands, QMI/MBIM
- Linux networking – IPv4/IPv6, routing, DHCP
- WiFi drivers / Qualcomm / Broadcom / Atheros
- Kernel-level debugging – GDB, tcpdump, serial console
- Git/GitLab & cross-compilation
- TLS/mTLS, X.509 certificates
- Experience with router/gateway/CPE firmware
Strong plus:
- Qualcomm IPQ
- Broadcom
- DOCSIS
- PCIe/USB
- TR-069/TR-369
- GRE/IPsec
Hiring: Embedded C Developer – OpenWrt/OpenSync
Location: Englewood, CO – Onsite
Experience: 5+ Years
We are looking for an Embedded C Developer with strong experience in Embedded Linux/OpenWrt and networking to develop firmware for next-generation WiFi routers with LTE/5G cellular backup.
Must-Have Skills:
- Embedded C & Linux
- OpenWrt – UCI, build system, packages
- OpenSync / OVSDB / MQTT
- LTE/5G modem integration – AT Commands, QMI/MBIM
- Linux networking – IPv4/IPv6, routing, DHCP
- WiFi drivers / Qualcomm / Broadcom / Atheros
- Kernel-level debugging – GDB, tcpdump, serial console
- Git/GitLab & cross-compilation
- TLS/mTLS, X.509 certificates
- Experience with router/gateway/CPE firmware
Strong plus:
- Qualcomm IPQ
- Broadcom
- DOCSIS
- PCIe/USB
- TR-069/TR-369
- GRE/IPsec
See all 366+ Green Card C Software Engineer Jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Green Card C Software Engineer Jobs.
Get Access To All JobsTips for Finding Green Card Sponsorship as a C Software Engineer
Align your degree to specialty occupation requirements
PERM requires your employer to show your role needs a specific degree. A computer science, electrical engineering, or software engineering degree aligns cleanly with C Software Engineer roles; an unrelated degree will require a detailed evaluation letter from a credentials assessor before the I-140 stage.
Target employers with embedded systems hiring pipelines
Firmware, kernel development, and device driver teams run multi-year staffing cycles that make PERM sponsorship financially rational for employers. Focus your search on companies building hardware-adjacent products, where C-language expertise isn't substitutable with higher-level developers.
Search for green card sponsoring roles on Migrate Mate
Filter by EB-2 or EB-3 sponsorship history to find C Software Engineer openings where employers have already demonstrated willingness to run PERM. Targeting verified sponsors cuts the negotiation step out of the process.
Verify your role's prevailing wage before negotiating offers
Use the OFLC Wage Search to look up your specific job title and work location before accepting an offer. PERM requires your employer to pay at least the DOL prevailing wage, so knowing Level II or Level III thresholds for your metro area protects you from an underpayment issue that could stall your petition.
Understand that PERM recruitment takes months before you can file
After you accept an offer, your employer must complete DOL-mandated recruitment steps, typically taking 60 to 90 days, before submitting the PERM application. Factor this into your timeline if you're transitioning from OPT or H-1B visa status, since the clock starts well before any government filing.
Request concurrent I-140 and I-485 filing where your priority date allows
If the USCIS Visa Bulletin shows your country of birth's EB-3 or EB-2 priority date as current, ask your employer to file the I-140 and I-485 simultaneously. Concurrent filing lets you obtain an Employment Authorization Document while the green card processes, removing dependency on H-1B extensions.
Green Card C Software Engineer: Frequently Asked Questions
Does a C Software Engineer role qualify for EB-2 or EB-3 sponsorship?
Most C Software Engineer positions qualify for EB-3 as a skilled worker role requiring a bachelor's degree. Roles involving specialized systems architecture, low-level OS development, or research-adjacent work may qualify for EB-2 if the employer can document that an advanced degree or its equivalent is a normal requirement for the position. Your employer's attorney makes the classification call based on the actual job duties.
How does green card sponsorship differ from H-1B for a C Software Engineer?
H-1B is a temporary, capped status requiring lottery entry and renewal every three years. Employment-based green card sponsorship through PERM leads to permanent residency with no annual cap at the EB-3 level for most countries except India and China. The tradeoff is timeline: PERM plus I-140 adjudication typically runs 18 to 36 months before adjustment of status can complete, compared to H-1B's faster initial approval.
What role does the employer play in a C Software Engineer PERM case?
Your employer is the petitioner and drives the entire PERM process. They file the application with DOL, conduct mandatory recruitment to test the labor market, and pay all associated costs. You provide documentation of your qualifications, but the employer's willingness and HR resources determine whether the case moves efficiently. Targeting employers with in-house immigration teams shortens delays significantly.
How can I find C Software Engineer jobs that include green card sponsorship?
Use Migrate Mate to search specifically for C Software Engineer roles where employers have a documented history of EB-2 or EB-3 sponsorship. Generic job boards don't filter by sponsorship type, so you often waste application cycles on roles where the employer hasn't committed to running PERM. Migrate Mate surfaces roles where green card sponsorship is part of the hiring plan.
Can I use O*NET data to strengthen my PERM documentation?
Yes. The O*NET occupation profile for software developers and related titles documents the typical education, skill, and knowledge requirements employers in the field maintain. Your employer's attorney may reference O*NET when establishing that your C Software Engineer role meets the specialty occupation standard and justifying the degree requirement in the PERM job description.