E-3 Visa .NET Developer Jobs
NET Developer roles qualify for E-3 visa sponsorship as specialty occupations requiring a relevant bachelor's degree in computer science, software engineering, or a related field. The E-3 has no annual lottery, renews every two years without a cap, and your Australian citizenship is the only nationality requirement.
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Get Access To All JobsOur Vision: Be the best at what we do. Our Mission: Improve lives through technology.
Summary
Customer Inspired isn’t our slogan — it’s our driving force, and C Spire team members live it. We aim to engage the exceptional and embrace operational excellence to best deliver connectivity and technology solutions that advance our communities and customer’s lives. It’s a challenging goal, but we have a winning team that is looking to grow.
As a Senior .NET Engineer, you will play a critical role in designing, developing, modernizing, and supporting enterprise applications that power key business operations across C Spire. This role combines strong software engineering expertise with business process analysis, solution design, and end-to-end ownership of the software development lifecycle. You will work closely with business stakeholders and technical teams to build scalable solutions, improve existing applications, modernize technology platforms, and drive continuous improvement across our enterprise systems landscape.
Responsibilities:
What You Will Do
In all of your duties, you will have a relentless, obsessive, yet disciplined approach to manage all details to perfection and deliver desired results.
- Design, develop, maintain, and enhance enterprise applications built on C#, .NET Framework, and modern .NET platforms.
- Lead and participate in all phases of the software development lifecycle, including requirements gathering, technical design, development, testing, deployment, documentation, and support.
- Develop and maintain SQL Server data structures, queries, stored procedures, and integrations while contributing to long-term modernization and migration initiatives.
- Support the modernization of enterprise applications through containerization, cloud-native architecture principles, and Linux-based deployment strategies.
- Collaborate with business stakeholders to understand operational workflows, gather requirements, identify process improvement opportunities, and translate business needs into scalable technical solutions.
- Build and maintain REST APIs and integrations with internal systems, third-party applications, and enterprise platforms.
- Apply software engineering best practices, coding standards, architectural patterns, and design principles to ensure maintainable and scalable solutions.
- Identify technical debt, prioritize remediation efforts, and drive continuous improvements to application performance, reliability, and maintainability.
- Troubleshoot production issues, perform root cause analysis, and implement long-term corrective actions.
- Mentor and support other developers through technical guidance, knowledge sharing, and software delivery best practices.
This position is an exceptional opportunity to work on enterprise-scale applications while helping shape the future technology direction of C Spire’s business systems. From Senior .NET Engineer, you will have a strong springboard into technical leadership, software architecture, and enterprise technology strategy roles across the organization.
Qualifications
What You Will Bring
As a C Spire team member you will bring a relentless obsession to be the best in our industry and a winning mentality, determined to outsmart and outdo competitors. You will have a single-minded commitment to unbeatable internal customer and external customer experience. To support our Tools and Automation team you will have an unapologetic passion for innovation and technology and an uncompromising drive toward continuous improvement.
In addition to that, we require:
- Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related field, or equivalent professional experience.
- Extensive professional experience developing enterprise applications using C# and the .NET ecosystem.
- Strong understanding of object-oriented programming, software architecture, SOLID principles, and enterprise application design patterns.
- Advanced SQL Server experience, including schema design, query development, stored procedures, and performance optimization.
- Experience building and consuming REST APIs and integrating enterprise applications across distributed environments.
- Experience with containerization technologies such as Docker and familiarity with modern deployment and CI/CD practices.
- Working knowledge of Linux operating systems and application deployment environments.
- Experience with source control systems, automated deployment pipelines, and modern software delivery methodologies.
- Demonstrated ability to gather, analyze, document, and refine business requirements and translate them into effective technical solutions.
- Strong analytical, problem-solving, communication, and technical documentation skills.
- Ability to independently manage priorities, navigate ambiguity, and deliver high-quality solutions with minimal supervision.
We will give special consideration to candidates who have:
- Experience migrating .NET applications from Windows environments to Linux-based container platforms.
- Experience with Kubernetes or comparable orchestration technologies.
- Familiarity with PostgreSQL, MySQL, or other cloud-native relational database platforms.
- Experience with workflow automation, business process management platforms, or workflow-driven application design.
- Experience with message queues, event-driven architectures, and enterprise integration platforms.
- Experience working within regulated, compliance-driven, or highly governed business environments.
What You Will Gain
A great workplace needs more than dental coverage, though we provide that and excellent health insurance. But that’s just the start. We make sure working at C Spire is the best career experience around. And Forbes has named us one of America's Best Midsize Employers multiple times because of it.
For our full-time employees we offer:
- Competitive Compensation Package
- Blue Cross Blue Shield Health Insurance
- Tuition Assistance Programs
- Complimentary Wireless Service & Device*
- 401k Match
- Teladoc Telemedicine
- WellBeacon Wellness Program
- Paid Talent Referral Opportunities
- Tailored learning paths for every position
Physical Requirements / Working Conditions
Must be able to sit for extended periods of time and use a computer keyboard and/or mouse while viewing a computer screen. Occasional after-hours work may be required to support application deployments, maintenance activities, or critical business initiatives.
- Complimentary wireless service and device available to team members in our wireless footprint.
If you want to work hard, achieve a lot, and make a difference, then C Spire is the place for you.
Our Vision: Be the best at what we do. Our Mission: Improve lives through technology.
Summary
Customer Inspired isn’t our slogan — it’s our driving force, and C Spire team members live it. We aim to engage the exceptional and embrace operational excellence to best deliver connectivity and technology solutions that advance our communities and customer’s lives. It’s a challenging goal, but we have a winning team that is looking to grow.
As a Senior .NET Engineer, you will play a critical role in designing, developing, modernizing, and supporting enterprise applications that power key business operations across C Spire. This role combines strong software engineering expertise with business process analysis, solution design, and end-to-end ownership of the software development lifecycle. You will work closely with business stakeholders and technical teams to build scalable solutions, improve existing applications, modernize technology platforms, and drive continuous improvement across our enterprise systems landscape.
Responsibilities:
What You Will Do
In all of your duties, you will have a relentless, obsessive, yet disciplined approach to manage all details to perfection and deliver desired results.
- Design, develop, maintain, and enhance enterprise applications built on C#, .NET Framework, and modern .NET platforms.
- Lead and participate in all phases of the software development lifecycle, including requirements gathering, technical design, development, testing, deployment, documentation, and support.
- Develop and maintain SQL Server data structures, queries, stored procedures, and integrations while contributing to long-term modernization and migration initiatives.
- Support the modernization of enterprise applications through containerization, cloud-native architecture principles, and Linux-based deployment strategies.
- Collaborate with business stakeholders to understand operational workflows, gather requirements, identify process improvement opportunities, and translate business needs into scalable technical solutions.
- Build and maintain REST APIs and integrations with internal systems, third-party applications, and enterprise platforms.
- Apply software engineering best practices, coding standards, architectural patterns, and design principles to ensure maintainable and scalable solutions.
- Identify technical debt, prioritize remediation efforts, and drive continuous improvements to application performance, reliability, and maintainability.
- Troubleshoot production issues, perform root cause analysis, and implement long-term corrective actions.
- Mentor and support other developers through technical guidance, knowledge sharing, and software delivery best practices.
This position is an exceptional opportunity to work on enterprise-scale applications while helping shape the future technology direction of C Spire’s business systems. From Senior .NET Engineer, you will have a strong springboard into technical leadership, software architecture, and enterprise technology strategy roles across the organization.
Qualifications
What You Will Bring
As a C Spire team member you will bring a relentless obsession to be the best in our industry and a winning mentality, determined to outsmart and outdo competitors. You will have a single-minded commitment to unbeatable internal customer and external customer experience. To support our Tools and Automation team you will have an unapologetic passion for innovation and technology and an uncompromising drive toward continuous improvement.
In addition to that, we require:
- Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related field, or equivalent professional experience.
- Extensive professional experience developing enterprise applications using C# and the .NET ecosystem.
- Strong understanding of object-oriented programming, software architecture, SOLID principles, and enterprise application design patterns.
- Advanced SQL Server experience, including schema design, query development, stored procedures, and performance optimization.
- Experience building and consuming REST APIs and integrating enterprise applications across distributed environments.
- Experience with containerization technologies such as Docker and familiarity with modern deployment and CI/CD practices.
- Working knowledge of Linux operating systems and application deployment environments.
- Experience with source control systems, automated deployment pipelines, and modern software delivery methodologies.
- Demonstrated ability to gather, analyze, document, and refine business requirements and translate them into effective technical solutions.
- Strong analytical, problem-solving, communication, and technical documentation skills.
- Ability to independently manage priorities, navigate ambiguity, and deliver high-quality solutions with minimal supervision.
We will give special consideration to candidates who have:
- Experience migrating .NET applications from Windows environments to Linux-based container platforms.
- Experience with Kubernetes or comparable orchestration technologies.
- Familiarity with PostgreSQL, MySQL, or other cloud-native relational database platforms.
- Experience with workflow automation, business process management platforms, or workflow-driven application design.
- Experience with message queues, event-driven architectures, and enterprise integration platforms.
- Experience working within regulated, compliance-driven, or highly governed business environments.
What You Will Gain
A great workplace needs more than dental coverage, though we provide that and excellent health insurance. But that’s just the start. We make sure working at C Spire is the best career experience around. And Forbes has named us one of America's Best Midsize Employers multiple times because of it.
For our full-time employees we offer:
- Competitive Compensation Package
- Blue Cross Blue Shield Health Insurance
- Tuition Assistance Programs
- Complimentary Wireless Service & Device*
- 401k Match
- Teladoc Telemedicine
- WellBeacon Wellness Program
- Paid Talent Referral Opportunities
- Tailored learning paths for every position
Physical Requirements / Working Conditions
Must be able to sit for extended periods of time and use a computer keyboard and/or mouse while viewing a computer screen. Occasional after-hours work may be required to support application deployments, maintenance activities, or critical business initiatives.
- Complimentary wireless service and device available to team members in our wireless footprint.
If you want to work hard, achieve a lot, and make a difference, then C Spire is the place for you.
See all 51+ E-3 Visa .NET Developer Jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new E-3 Visa .NET Developer Jobs.
Get Access To All JobsTips for Finding E-3 Visa Sponsorship as a .NET Developer
Frame your degree for specialty occupation
U.S. consular officers assess whether your Australian degree directly relates to .NET development. A three-year computer science or software engineering degree qualifies, but a business degree with self-taught .NET skills will face scrutiny. Get a credential evaluation before applying.
Target employers with active LCA filings
Search the DOL's Office of Foreign Labor Certification disclosure data for companies that have filed LCAs for software developer roles. Employers already familiar with the LCA process move faster and are less likely to withdraw an offer over E-3 visa paperwork uncertainty.
Clarify E-3 over H-1B early in hiring
Many U.S. hiring managers assume sponsorship means H-1B lottery risk. Correct this before the offer stage: the E-3 has no lottery, costs far less than an H-1B visa petition, and can be approved at the consulate in weeks. Prepare a one-paragraph explainer for HR.
Use Migrate Mate's E-3 filing service for LCA accuracy
The LCA must correctly classify your .NET role under the right Standard Occupational Classification code and certify prevailing wage compliance. Errors delay or void the LCA. Use Migrate Mate's E-3 filing service to handle your LCA and visa paperwork end-to-end.
Verify your employer can file before accepting
Your employer must have a U.S. tax ID and the ability to file an LCA with DOL. Startups incorporated offshore or solo contractors without a U.S. entity legally cannot sponsor an E-3. Confirm this before negotiating compensation or resigning from your current role.
Book your consulate appointment before starting work
You cannot begin work in the U.S. on an E-3 until your visa is stamped. After your LCA is certified and DS-160 is submitted, schedule your Sydney, Melbourne, or Perth consulate appointment promptly. Interview wait times fluctuate, so book as soon as your documents are ready.
E-3 Visa .NET Developer: Frequently Asked Questions
How do I find .NET Developer jobs with E-3 visa sponsorship?
Migrate Mate is built specifically for Australian professionals searching for E-3 sponsorship roles in the U.S. You can filter by job title and see employers with verified sponsorship history. Standard job boards mix H-1B and non-sponsored listings without filtering by visa type, which wastes time when you specifically need an E-3-eligible employer.
How much does it cost to get an E-3 visa?
Migrate Mate's E-3 filing service covers the entire process for $499, including the Labor Condition Application, visa document preparation, and consulate appointment guidance. Traditional immigration lawyers charge $2,000–$5,000+ for the same work. The E-3 has less paperwork than most work visas, so paying thousands for legal help is usually unnecessary.
Does a .NET Developer role qualify as a specialty occupation for the E-3?
.NET Developer roles typically qualify because they require at least a bachelor's degree in computer science, software engineering, or a closely related field. The key is that your specific job duties must require that theoretical and practical application of a body of highly specialized knowledge. Generic 'developer' roles where the employer accepts any degree or no degree at all may not meet the specialty occupation definition at the consulate.
How does the E-3 compare to the H-1B for .NET Developer roles?
The E-3 is available only to Australian citizens, but it has significant advantages over the H-1B for eligible applicants. There's no annual lottery, no waiting until October 1 for status to begin, and consulate processing typically takes a few weeks rather than months. Employer costs are also substantially lower since there's no I-129 premium processing and no asylum program fee. The trade-off is that you must apply at the consulate rather than adjusting status in the U.S.
Can I change .NET Developer jobs while on an E-3?
Yes, but you can't port your E-3 to a new employer the way an H-1B holder can after 180 days of approval. Each new employer must file a fresh LCA and you'll need a new E-3 visa stamp tied to that employer. You're not authorized to start with the new employer until the new visa is issued, so plan your transition timeline carefully and avoid gaps in authorized employment.