Senior C Software Engineer Jobs in USA with Visa Sponsorship
Senior C Software Engineer roles attract strong H-1B sponsorship from defense contractors, embedded systems firms, and semiconductor companies. Most require a bachelor's degree in computer science or electrical engineering, and specialty occupation approval is straightforward given the field-specific degree requirement. For detailed occupation requirements, see the O*NET profile.
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Get Access To All JobsSenior C++ Software Engineer
Location: Lithuania (Office-Based or Hybrid)
Position Summary
We are seeking a Senior C++ Software Engineer to join Bentley’s Platform organization, contributing to the evolution of both local and cloud-based workflows that underpin Bentley’s product ecosystem. You will play a key role in enhancing the performance, scalability, and reliability of data creation, editing, and synchronization workflows across desktop applications, iTwin native solutions, Cesium and cloud services. Your work will play a key part in advancing Bentley’s broader vision for seamless interoperability and connected digital twins across Bentley’s product portfolio.
Responsibilities
- Build high performance C++ components and maintain well structured, versioned libraries with clear APIs and documentation.
- Ensure the correctness, determinism, and performance of SQLite backed iModels across local and CloudSQLite workflows.
- Profile and optimize CPU, memory, I/O, and multithreading behavior to deliver measurable performance gains. Contribute to low level storage engine internals—file formats, indexing, transactions, queries—and surface them through clean APIs.
- Debug and validate software across virtualized and containerized environments.
- Enhance observability with metrics, tracing, and structured logs; define and monitor SLIs in CI/CD.
- Expand automated testing and benchmarking; enforce performance gates and API compatibility.
- Consistently deliver high quality features, lead designs for medium sized efforts, and improve shared infrastructure across teams.
- Work in a collaborative team environment using GitHub for development, reviews, and CI management.
- Partner with platform, security, and product teams through design reviews and architectural discussions.
Qualifications
- Bachelor’s or Master’s in Computer Science, Engineering, or equivalent experience.
- Strong proficiency in modern C++ (C++17/20) and experience shipping production grade systems.
- Demonstrated skill in optimizing performance critical code paths (CPU, memory, I/O, synchronization).
- Solid understanding of concurrency, multithreading, and diagnosing race conditions or deadlocks.
- Experience building shared libraries, SDKs, or platform components with stable, well designed APIs.
- Strong testing discipline, including unit, integration, and performance tests with automated benchmarks.
- Experience working with backend services, APIs, and data workflows across local and cloud environments.
- Familiarity with observability methods (metrics, tracing, structured logs).
- Strong problem solving, technical ownership, and effective cross team communication skills.
Preferred Qualifications
- Experience with distributed systems concepts (retries, idempotency, backpressure).
- Knowledge of SQL/SQLite like storage engines, indexing, and transactional behavior.
- Familiarity with sanitizers, fuzzing, and stress testing.
- Cross platform development experience (Windows/Linux; MSVC/Clang/GCC).
- Experience with Docker or VM based development environments.
- Understanding of API versioning, compatibility, and deprecation best practices.
- Practical TypeScript/JavaScript experience.
What We Offer
- A great Team and culture – please see our colleague video.
- An exciting career as an integral part of a world-leading software company providing solutions for architecture, engineering, and construction – watch this short documentary about how we got our start.
- An attractive salary and benefits package.
- A commitment to inclusion, belonging and colleague wellbeing through global initiatives and resource groups.
- A company committed to making a real difference by advancing the world’s infrastructure for better quality of life, where your contributions help build a more sustainable, connected, and resilient world. Discover our latest user success stories for an insight into our global impact.
- Training and professional development opportunities (certifications programs, conferences etc.).
- Additional annual leave days and extra paid days for different occasions (marriage, moving day, bereavement leave etc.).
- Health insurance package and accidents insurance 24/7.
- Referral program with bonuses.
- Extra paid day for volunteering in the organization of your choice.
- Ability to work from office or fully remote from home.
Please note if you are employed full-time, the salary for this position ranges from 4000 EUR gross (before taxes - Lithuania) depending on knowledge and experience. If you are ready to take your development skills to the next level and be part of a team that is shaping the future of software, we want to hear from you! Apply now and embark on an exciting journey with Bentley! Please submit resume in English.
About Bentley Systems
Around the world, infrastructure professionals rely on software from Bentley Systems to help them design, build, and operate better and more resilient infrastructure for transportation, water, energy, cities, and more. Founded in 1984 by engineers for engineers, Bentley is the partner of choice for engineering firms and owner-operators worldwide, with software that spans engineering disciplines, industry sectors, and all phases of the infrastructure lifecycle. Through our digital twin solutions, we help infrastructure professionals unlock the value of their data to transform project delivery and asset performance.
Equal Opportunity Employer
Bentley is proud to be an equal opportunity employer and considers for employment all qualified applicants without regard to race, color, gender/gender identity, sexual orientation, disability, marital status, religion/belief, national origin, caste, age, or any other characteristic protected by local law or unrelated to job qualifications.
Senior C++ Software Engineer
Location: Lithuania (Office-Based or Hybrid)
Position Summary
We are seeking a Senior C++ Software Engineer to join Bentley’s Platform organization, contributing to the evolution of both local and cloud-based workflows that underpin Bentley’s product ecosystem. You will play a key role in enhancing the performance, scalability, and reliability of data creation, editing, and synchronization workflows across desktop applications, iTwin native solutions, Cesium and cloud services. Your work will play a key part in advancing Bentley’s broader vision for seamless interoperability and connected digital twins across Bentley’s product portfolio.
Responsibilities
- Build high performance C++ components and maintain well structured, versioned libraries with clear APIs and documentation.
- Ensure the correctness, determinism, and performance of SQLite backed iModels across local and CloudSQLite workflows.
- Profile and optimize CPU, memory, I/O, and multithreading behavior to deliver measurable performance gains. Contribute to low level storage engine internals—file formats, indexing, transactions, queries—and surface them through clean APIs.
- Debug and validate software across virtualized and containerized environments.
- Enhance observability with metrics, tracing, and structured logs; define and monitor SLIs in CI/CD.
- Expand automated testing and benchmarking; enforce performance gates and API compatibility.
- Consistently deliver high quality features, lead designs for medium sized efforts, and improve shared infrastructure across teams.
- Work in a collaborative team environment using GitHub for development, reviews, and CI management.
- Partner with platform, security, and product teams through design reviews and architectural discussions.
Qualifications
- Bachelor’s or Master’s in Computer Science, Engineering, or equivalent experience.
- Strong proficiency in modern C++ (C++17/20) and experience shipping production grade systems.
- Demonstrated skill in optimizing performance critical code paths (CPU, memory, I/O, synchronization).
- Solid understanding of concurrency, multithreading, and diagnosing race conditions or deadlocks.
- Experience building shared libraries, SDKs, or platform components with stable, well designed APIs.
- Strong testing discipline, including unit, integration, and performance tests with automated benchmarks.
- Experience working with backend services, APIs, and data workflows across local and cloud environments.
- Familiarity with observability methods (metrics, tracing, structured logs).
- Strong problem solving, technical ownership, and effective cross team communication skills.
Preferred Qualifications
- Experience with distributed systems concepts (retries, idempotency, backpressure).
- Knowledge of SQL/SQLite like storage engines, indexing, and transactional behavior.
- Familiarity with sanitizers, fuzzing, and stress testing.
- Cross platform development experience (Windows/Linux; MSVC/Clang/GCC).
- Experience with Docker or VM based development environments.
- Understanding of API versioning, compatibility, and deprecation best practices.
- Practical TypeScript/JavaScript experience.
What We Offer
- A great Team and culture – please see our colleague video.
- An exciting career as an integral part of a world-leading software company providing solutions for architecture, engineering, and construction – watch this short documentary about how we got our start.
- An attractive salary and benefits package.
- A commitment to inclusion, belonging and colleague wellbeing through global initiatives and resource groups.
- A company committed to making a real difference by advancing the world’s infrastructure for better quality of life, where your contributions help build a more sustainable, connected, and resilient world. Discover our latest user success stories for an insight into our global impact.
- Training and professional development opportunities (certifications programs, conferences etc.).
- Additional annual leave days and extra paid days for different occasions (marriage, moving day, bereavement leave etc.).
- Health insurance package and accidents insurance 24/7.
- Referral program with bonuses.
- Extra paid day for volunteering in the organization of your choice.
- Ability to work from office or fully remote from home.
Please note if you are employed full-time, the salary for this position ranges from 4000 EUR gross (before taxes - Lithuania) depending on knowledge and experience. If you are ready to take your development skills to the next level and be part of a team that is shaping the future of software, we want to hear from you! Apply now and embark on an exciting journey with Bentley! Please submit resume in English.
About Bentley Systems
Around the world, infrastructure professionals rely on software from Bentley Systems to help them design, build, and operate better and more resilient infrastructure for transportation, water, energy, cities, and more. Founded in 1984 by engineers for engineers, Bentley is the partner of choice for engineering firms and owner-operators worldwide, with software that spans engineering disciplines, industry sectors, and all phases of the infrastructure lifecycle. Through our digital twin solutions, we help infrastructure professionals unlock the value of their data to transform project delivery and asset performance.
Equal Opportunity Employer
Bentley is proud to be an equal opportunity employer and considers for employment all qualified applicants without regard to race, color, gender/gender identity, sexual orientation, disability, marital status, religion/belief, national origin, caste, age, or any other characteristic protected by local law or unrelated to job qualifications.
How to Get Visa Sponsorship as a Senior C Software Engineer
Target industries with deep C expertise requirements
Defense contractors, semiconductor companies, and embedded systems firms sponsor C engineers at high rates. These industries require low-level systems expertise that directly supports specialty occupation classification, making visa approval more predictable than generalist software roles.
Ensure your degree field aligns with the role
H-1B specialty occupation requires a degree in a directly related field. Computer science, electrical engineering, and computer engineering degrees map cleanly to Senior C Software Engineer roles. A business or unrelated degree makes sponsorship significantly harder to justify.
Emphasize domain-specific C experience on your resume
USCIS scrutinizes software engineering petitions closely. Highlighting systems programming, kernel development, real-time operating systems, or hardware interface work signals the specialized nature of the role and strengthens the specialty occupation argument for your petition.
Senior titles carry measurable sponsorship advantages
Senior-level roles command higher prevailing wages and involve more complex, specialized work. This makes it easier for employers to justify the H-1B specialty occupation requirement and reduces the likelihood of a Request for Evidence compared to junior engineering titles.
Ask employers about their LCA and I-129 process early
Experienced sponsors already have approved LCAs for similar roles and established relationships with immigration counsel. Asking early signals you understand the process and helps you avoid employers who are technically open to sponsorship but lack the infrastructure to execute it.
Australians should prioritize the E-3 visa over H-1B
The E-3 visa is available exclusively to Australian citizens, has no lottery, and can be obtained in weeks rather than months. Senior C Software Engineer roles qualify readily under the specialty occupation standard, making E-3 a faster, more reliable path than H-1B.
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Get Access To All JobsFrequently Asked Questions
Does a Senior C Software Engineer role qualify as a specialty occupation for H-1B purposes?
Yes, in most cases. USCIS requires that the position normally requires a bachelor's degree or higher in a specific field. Senior C Software Engineer roles tied to embedded systems, operating systems, or hardware interfaces qualify cleanly under computer science or electrical engineering. Generalized software roles can face RFEs, but senior-level C positions with domain-specific requirements are among the stronger specialty occupation cases in software engineering.
Which visa types do employers typically use to sponsor Senior C Software Engineers?
H-1B is the most common path for non-Australian nationals, though it requires winning the annual lottery. Australian citizens can use the E-3 visa, which has no lottery and significantly shorter processing times. L-1B is an option if you're transferring from an overseas office of the same company. O-1A is available for engineers with documented extraordinary ability, though the evidentiary bar is high.
Do I need a four-year degree to get sponsored as a Senior C Software Engineer?
A bachelor's degree in computer science, electrical engineering, or a closely related field is the standard requirement. USCIS also allows three years of relevant work experience to substitute for each year of missing education under the three-for-one rule. However, experience substitution adds complexity to the petition and increases RFE risk. A directly relevant degree is the cleanest path to approval.
Which employers are most likely to sponsor Senior C Software Engineers?
Defense and aerospace contractors, semiconductor manufacturers, automotive systems companies, and telecommunications infrastructure firms are the most active sponsors for C engineers. These industries rely heavily on systems-level programming and are accustomed to sponsoring technical specialists. You can browse visa-sponsoring employers currently hiring for this role on Migrate Mate, which filters specifically for companies with active sponsorship history.
How does working on classified or defense projects affect my visa sponsorship eligibility?
Many defense contractor roles require U.S. security clearances, which are generally not available to foreign nationals. This limits sponsored roles to unclassified projects within those organizations. It's not a blanket barrier, since large contractors have substantial unclassified work, but you should clarify clearance requirements before investing in the application process for any defense-adjacent position.
What is the prevailing wage requirement for sponsored Senior 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.
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