Senior Software Developer jobs in United States
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SoftwareKey.com · 22 hours ago

Senior Software Developer

SoftwareKey.com is a small, long-standing software company that provides licensing and e-commerce solutions to software companies worldwide. They are seeking a Senior Software Developer to help modernize legacy systems, reduce technical risk, and accelerate product delivery while maintaining stability for their customers.

Service IndustrySoftware
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H1B Sponsor Likelynote

Responsibilities

Reduce technical and operational risk
Accelerate product delivery
Modernize legacy systems and build processes
Bring fresh energy, curiosity, and ownership to the engineering team
You will initially work alongside an experienced developer with deep product knowledge, learning the system and its history while helping reduce single-person risk over time
You can take high-level tasks and own them through completion
Legacy code is better understood, safer, and less fragile
Build and deployment processes are more automated and reliable
Technical risk is measurably reduced
Engineering work moves forward smoothly due to strong alignment, ownership, and effective collaboration
You are trusted to make thoughtful technical and product decisions that balance quality, speed, and business needs
SOLO Server web development
Build automation and modernization
Learning, documenting, and improving legacy systems
Initially: You will take defined tickets and execute
As you ramp up: You will help define solutions, suggest refactors, and surface risks
Long-term: You will identify problems we haven’t named yet, propose options, and help guide architectural and product decisions
Identify risks and opportunities proactively
Bring well-researched options and clear recommendations, not just problems
Make decisions that balance short-term execution with long-term stability
Document decisions and reasoning so knowledge is shared across the team
Take an owner’s perspective on systems, customers, and long-term risk
Think beyond the immediate task to understand downstream impact
Reduce technical and operational risk — even when it isn’t explicitly assigned
Communicate proactively so others don’t have to chase context
Follow through on commitments and close loops

Qualification

C developmentC# developmentMicrosoft SQL ServerVersion control systemsObject-oriented programmingC++ developmentJavaScriptWeb service developmentResearch skillsAttention to detailOwnership mindsetCommunication skillsOrganizational skillsTeam collaboration

Required

3+ years of Visual Studio development using C
3+ years of Visual Studio web development using C#
Strong understanding of object-oriented programming and inheritance
2+ years of Microsoft SQL Server (T-SQL)
Demonstrated experience with version control systems (Git or Subversion)
Ability to work independently with minimal supervision
Meticulous attention to detail
Strong ownership mindset
Excellent written and verbal communication skills
Willingness and ability to embrace responsibility and be accountable for outcomes
Strong organizational skills with the ability to manage multiple priorities
Demonstrated ability to research problems thoroughly and present well-reasoned options
Ability to extract, synthesize, and document knowledge from technical and non-technical stakeholders
Programming assessment required
A strong security mindset is required
Background check required

Preferred

C++ development experience
JavaScript, ASP.NET, HTML, XML, XSLT
Web service development
Basic understanding of encryption and security standards
Familiarity with build automation and CI/CD concepts
Experience working with long-lived or legacy codebases
Comfort operating in a small team with limited formal process
Ability to balance short-term delivery with long-term maintainability
Experience improving or refactoring existing systems without disrupting customers

Benefits

Future opportunities for profit sharing

Company

SoftwareKey.com

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We provide the means to securely distribute and maintain control of your software, because you deserve to be paid for what you have created.

H1B Sponsorship

SoftwareKey.com has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (15)
2024 (25)
2023 (47)
2022 (35)
2021 (56)
2020 (57)

Funding

Current Stage
Early Stage
Company data provided by crunchbase