C Software Engineer Jobs in USA with Visa Sponsorship
C software engineers are strong candidates for H-1B visa and O-1 visa sponsorship. Roles in systems programming, embedded software, and low-level infrastructure consistently qualify as specialty occupations, and employers across defense, automotive, and cloud infrastructure regularly sponsor experienced C engineers. For detailed occupation requirements, see the O*NET profile.
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Get Access To All JobsINTRODUCTION
FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we’re making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world.
Job Summary
FreeWheel is looking for passionate Sr. Software Engineers to help design, build and support our high-quality, innovative video advertising platform. This position is based in New York. FreeWheel helps the television industry to monetize their premium contents through a robust technology platform, which enables consumers to view high quality videos on any devices including PC, smart phone, OTT device, set-top box and traditional TV. FreeWheel’s New York Engineering Hub is a core part of our global engineering group that is building the one-stop solution for TV industry to manage its billion-dollar revenue. Our tech platform is capable of handling billions of daily requests, processing terabytes of raw daily data, and optimizing clients’ business.
Job Description
Core Responsibilities
- Construct and optimize the infrastructure of the ad delivery system with high concurrency, high availability, and low latency ad delivery.
- Continuous optimization and reconstruction of existing systems to support rapid business development.
- Responsible for end-to-end software development, assists with the software update process for existing applications and roll-outs of software releases.
- Collaborates with project stakeholders to identify product and technical requirements. Conducts analysis to determine integration needs.
- Researches, writes and edits documentation and technical requirements, including software designs, evaluation plans, test results, technical manuals and formal recommendations and reports.
- Provides technical leadership throughout the design process and guidance with regards to practices, procedures and techniques. Serves as a guide and mentor for junior-level Software Development Engineers.
- Displays in-depth knowledge of engineering methodologies, concepts, skills and their application in the area of specified engineering specialty.
- Displays in-depth knowledge of and ability to apply, process design and redesign skills. Presents and defends architectural, design and technical choices to internal audiences.
Development:
- Design, architect, and implement solutions utilizing AWS services, Kubernetes, and containerization technologies.
- Develop and manage highly scalable and reliable infrastructure on AWS, ensuring optimal performance and cost efficiency.
- Deploy and manage containerized applications using Kubernetes and related orchestration tools.
- Implement security best practices and ensure the integrity and compliance of the AWS infrastructure and containerized environments.
- Optimize application performance, scalability, and availability in the AWS cloud environment.
- Collaborate with cross-functional teams to gather requirements and translate them into technical designs and specifications.
- Document and maintain software functionality.
Support:
- Support overall business.
- Solve issues in technical way.
Innovation and Cooperation:
- Stay updated with the latest advancements in AWS services, Kubernetes, and containerization technologies, and evaluate their potential impact on our infrastructure and applications.
- Troubleshoot and resolve infrastructure and application-related issues, working closely with the operations and development teams.
- Collaborate with stakeholders to identify and implement automation and optimization opportunities across the infrastructure and deployment processes.
- Partner with global engineering, product and operations teams to further incorporate collective innovations.
- Mentor junior level software engineers.
About You:
- In-depth understanding of cloud, containerization and other related technologies, familiar with distributed architecture and commonly-used middleware such as cache, message queue, Nginx, etc.
- Experience in large-scale online service design, development and operation and maintenance is preferred.
- Good understanding of Linux/Unix, with excellent data structure and algorithm foundation.
- Proficiency in C/C++ or Golang and network programming.
- Experience with large system software design and development.
- Experience with distributed systems and mission-critical systems is preferred.
- Demonstrated expertise in problem solving and technical innovation.
- Strong passion with learning/practicing new technics.
- Knowledgeable about SDLC, Agile and Software Engineering Methodology.
- Team working skills, good communication skills, willingness to work under pressure.
- Have strong ability and persistency on technical support.
- Have ability to work close with global teams and accept additional working time besides normal working hours to have meeting or co-working with global teams.
- Advertising industry experience is a plus.
Education
Bachelor's Degree or above.
Relevant Work Experience
3-5 years.
Employees at all levels are expected to:
- Understand our Operating Principles; make them the guidelines for how you do your job.
- Own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
- Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
- Win as a team - make big things happen by working together and being open to new ideas.
- Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
- Drive results and growth.
- Respect and promote inclusion & diversity.
- Do what's right for each other, our customers, investors and our communities.
Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.
Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.
Skills:
C++ Programming Language; Git; Software Engineering; Structured Query Language (SQL); Linux; Go Programming Language
Salary:
Virginia Pay Range: $141,850.78 - $212,776.16
Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience. The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.
Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life. Please visit the compensation and benefits summary on our careers site for more details.
Education
Bachelor's Degree
While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.
Relevant Work Experience
7-10 Years
INTRODUCTION
FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we’re making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world.
Job Summary
FreeWheel is looking for passionate Sr. Software Engineers to help design, build and support our high-quality, innovative video advertising platform. This position is based in New York. FreeWheel helps the television industry to monetize their premium contents through a robust technology platform, which enables consumers to view high quality videos on any devices including PC, smart phone, OTT device, set-top box and traditional TV. FreeWheel’s New York Engineering Hub is a core part of our global engineering group that is building the one-stop solution for TV industry to manage its billion-dollar revenue. Our tech platform is capable of handling billions of daily requests, processing terabytes of raw daily data, and optimizing clients’ business.
Job Description
Core Responsibilities
- Construct and optimize the infrastructure of the ad delivery system with high concurrency, high availability, and low latency ad delivery.
- Continuous optimization and reconstruction of existing systems to support rapid business development.
- Responsible for end-to-end software development, assists with the software update process for existing applications and roll-outs of software releases.
- Collaborates with project stakeholders to identify product and technical requirements. Conducts analysis to determine integration needs.
- Researches, writes and edits documentation and technical requirements, including software designs, evaluation plans, test results, technical manuals and formal recommendations and reports.
- Provides technical leadership throughout the design process and guidance with regards to practices, procedures and techniques. Serves as a guide and mentor for junior-level Software Development Engineers.
- Displays in-depth knowledge of engineering methodologies, concepts, skills and their application in the area of specified engineering specialty.
- Displays in-depth knowledge of and ability to apply, process design and redesign skills. Presents and defends architectural, design and technical choices to internal audiences.
Development:
- Design, architect, and implement solutions utilizing AWS services, Kubernetes, and containerization technologies.
- Develop and manage highly scalable and reliable infrastructure on AWS, ensuring optimal performance and cost efficiency.
- Deploy and manage containerized applications using Kubernetes and related orchestration tools.
- Implement security best practices and ensure the integrity and compliance of the AWS infrastructure and containerized environments.
- Optimize application performance, scalability, and availability in the AWS cloud environment.
- Collaborate with cross-functional teams to gather requirements and translate them into technical designs and specifications.
- Document and maintain software functionality.
Support:
- Support overall business.
- Solve issues in technical way.
Innovation and Cooperation:
- Stay updated with the latest advancements in AWS services, Kubernetes, and containerization technologies, and evaluate their potential impact on our infrastructure and applications.
- Troubleshoot and resolve infrastructure and application-related issues, working closely with the operations and development teams.
- Collaborate with stakeholders to identify and implement automation and optimization opportunities across the infrastructure and deployment processes.
- Partner with global engineering, product and operations teams to further incorporate collective innovations.
- Mentor junior level software engineers.
About You:
- In-depth understanding of cloud, containerization and other related technologies, familiar with distributed architecture and commonly-used middleware such as cache, message queue, Nginx, etc.
- Experience in large-scale online service design, development and operation and maintenance is preferred.
- Good understanding of Linux/Unix, with excellent data structure and algorithm foundation.
- Proficiency in C/C++ or Golang and network programming.
- Experience with large system software design and development.
- Experience with distributed systems and mission-critical systems is preferred.
- Demonstrated expertise in problem solving and technical innovation.
- Strong passion with learning/practicing new technics.
- Knowledgeable about SDLC, Agile and Software Engineering Methodology.
- Team working skills, good communication skills, willingness to work under pressure.
- Have strong ability and persistency on technical support.
- Have ability to work close with global teams and accept additional working time besides normal working hours to have meeting or co-working with global teams.
- Advertising industry experience is a plus.
Education
Bachelor's Degree or above.
Relevant Work Experience
3-5 years.
Employees at all levels are expected to:
- Understand our Operating Principles; make them the guidelines for how you do your job.
- Own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
- Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
- Win as a team - make big things happen by working together and being open to new ideas.
- Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
- Drive results and growth.
- Respect and promote inclusion & diversity.
- Do what's right for each other, our customers, investors and our communities.
Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.
Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.
Skills:
C++ Programming Language; Git; Software Engineering; Structured Query Language (SQL); Linux; Go Programming Language
Salary:
Virginia Pay Range: $141,850.78 - $212,776.16
Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience. The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.
Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life. Please visit the compensation and benefits summary on our careers site for more details.
Education
Bachelor's Degree
While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.
Relevant Work Experience
7-10 Years
See all 17,576+ C Software Engineer Jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new C Software Engineer roles.
Get Access To All JobsTips for Finding Visa Sponsorship as a C Software Engineer
Emphasize systems-level depth in your resume
Sponsors reviewing C engineers want to see low-level expertise: memory management, pointer arithmetic, kernel interaction, or hardware interfacing. Generic software experience won't stand out. Lead with the systems domain and the specific environments you've worked in.
Target industries with consistent H-1B approval rates
Defense contractors, semiconductor firms, automotive OEMs, and cloud infrastructure companies sponsor C engineers regularly. These industries have well-established H-1B workflows and legal teams experienced with specialty occupation petitions for systems-level roles.
Make your degree-to-role connection explicit
H-1B approval for C engineering roles depends partly on matching your degree field to the position. Computer science, computer engineering, or electrical engineering degrees map cleanly. If your degree is in a tangential field, document how your coursework directly applies.
Highlight domain-specific certifications and projects
RTOS experience, MISRA-C compliance, or contributions to open-source systems projects signal specialized knowledge. These details strengthen the specialty occupation argument in an H-1B petition by demonstrating the role requires more than a generalist engineering background.
Prepare for technical interviews that go deep on C fundamentals
Sponsoring employers for C roles often test more rigorously than web-stack interviews. Expect questions on undefined behavior, compiler behavior, cache effects, and concurrency primitives. Demonstrating this depth also reinforces the specialty occupation case for your visa petition.
Browse sponsorship-confirmed listings before cold applying
Not every job listing specifies whether the employer sponsors visas. Using Migrate Mate filters your search to verified sponsoring employers, so you spend time on applications where sponsorship is already on the table rather than finding out late in the process.
Frequently Asked Questions
Does a C software engineer role qualify as a specialty occupation for H-1B purposes?
Yes, in most cases. USCIS looks for roles that require at minimum a bachelor's degree in a specific field. C software engineering positions tied to embedded systems, operating systems, or low-level infrastructure consistently meet this standard. Generic software roles with no specific degree requirement are more vulnerable to challenge, so the job description matters.
Do I need a computer science degree specifically, or will other engineering degrees work?
Computer science, computer engineering, and electrical engineering degrees all map well to C software engineering roles. USCIS evaluates whether the degree field is directly related to the position, not whether it matches the exact job title. A degree in mathematics or physics can work if your coursework covered relevant systems or programming topics, but expect closer scrutiny.
Which types of employers most commonly sponsor C engineers on H-1B visas?
Defense contractors, semiconductor companies, automotive suppliers working on embedded systems, and cloud infrastructure teams are the most active sponsors for C engineers. These employers file H-1B visa petitions routinely and have legal infrastructure to support the process. You can browse verified sponsoring employers in these sectors directly on Migrate Mate.
How does an O-1A visa compare to H-1B for an experienced C software engineer?
The O-1A is worth considering if you have a strong track record: published research, significant open-source contributions, patents, or recognition from peers in systems programming. It has no lottery and no annual cap, unlike the H-1B. The evidence bar is higher, but for engineers with a documented record of impact, it can be a more reliable path.
Can I transfer my H-1B to a new employer if I change C engineering jobs?
Yes. H-1B portability allows you to start working for a new employer once they file a transfer petition, without waiting for approval, as long as your prior H-1B was approved and you've maintained valid status. The new employer must file their own petition describing the C engineering role, and the specialty occupation requirement applies again to the new position.
What is the prevailing wage requirement for sponsored C Software Engineer jobs?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.