(Contract) Senior Software Engineer (Desktop/C#) at Southworks

Type: Contract, per-project.
Location: Remote - within LATAM time zones (GMT-3 to GMT-5)
Availability: Contractor (40 hours per week)

Core Responsibilities

Hands-on engineering (30–40%)
Build small tools, sample apps, packaging automation, and targeted patches to Microsoft SDKs/CI workflows that accelerate partner onboarding.
Technical guidance for elite partners
Work directly with senior engineers at leading AI and ISV companies to unblock their Windows app builds, packaging, publishing, OAuth flows, desktop features, and performance.
Windows application packaging and migration
Package PWAs, support WebView2/desktop hybrid architectures, assist app migrations from Xbox to Windows, and help partners adopt MSIX/unpackaged patterns.
Ecosystem content and best practices
Ghost-write technical guides and internal artifacts for Microsoft teams based on lessons learned (docs, engineering playbooks, reference implementations).

Required Experience

Strong Windows engineering background (5+ years required; 8+ preferred)
Proven experience shipping Windows applications (Win32, .NET, UWP, WebView2 hybrids), debugging with tools such as ProcMon, WinDbg, Fiddler, and strong C# skills with the ability to read C++.
Full-stack proficiency with service integrations
Experience building and consuming REST APIs, OAuth flows, and distributed app architectures that connect desktop clients to cloud services.
Technical judgment with ambiguous requirements
Able to decompose unclear problems, propose architectural tradeoffs (UWP vs Win32 vs hybrid/PWA), and work effectively with senior Microsoft engineers and PMs.
Clear, confident communication with technical and business audiences
Capable of explaining desktop technology choices in terms of engineering effort, risk, time-to-market, and business impact.
Strong ownership and proactive execution
Able to identify opportunities, drive solutions without waiting for instruction, and deliver incremental value quickly.

Desired Skills

Experience with MSIX, unpackaged apps, app installers, Xbox-to-Windows porting, PWA packaging, and Windows Store publishing workflows.
Familiarity with performing targeted fixes to SDKs, CI pipelines (e.g., GitHub Actions), and internal tooling used for app publishing.
Experience writing technical documentation or training materials.

Engagement Details

Duration: 5-6month contract
Location: Remote with meetings across U.S. time zones
Deliverables: Engineering contributions, partner enablement, reusable artifacts, and internal documentation

(*) SOUTHWORKS only hires individuals from countries that are not blocked or sanctioned by the United States, including those identified on the United States Office of Foreign Asset Control (OFAC).

(Contract) Senior Software Engineer (Desktop/C#)