SO
Posted:
February 28, 2026
Location:
Mar del Plata, Buenos Aires, Argentina
Job Description
Type:
Contract, per-project.
Location:
Remote - alignment with North America is preferred (ideally Pacific Time, acceptable PT-ET).
Availability:
Contractor (40 hours per week)
We're looking for a highly capable Software Engineer to join our Powered team and help build the core libraries behind every Speedtest client, as well as the SDKs used by device manufacturers and third-party application developers worldwide.
You'll work on low-level networking features, platform-specific implementations and cross-platform SDKs that directly impact how millions of users measure and understand their Internet performance.
What you'll do
- Design and build core SDK and library features used by Speedtest clients and third-party partners
- Develop network testing functionality using Kotlin and Kotlin Multiplatform
- Build and maintain performance-critical components using C++
- Maintain and support legacy SDK products built ...
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Submit your application for the Software Engineer position at SOUTHWORKS.
Apply Now Save for LaterJob Overview
Job Type:
Full-time
Location:
Mar del Plata, Argentina
Posted:
February 28, 2026
Deadline:
April 09, 2026