Senior Software Engineer (Systems Engineering)

LocalStack

📍 , , Portugal, , , Portugal, Portugal

Full-time TI e tecnologia Posted February 19, 2026

Job Description

We are a fast‑growing Series A startup building cutting‑edge technology to revolutionize cloud development. Our core product, LocalStack, provides a high‑fidelity emulator and local cloud development platform, allowing developers to build and test cloud applications entirely on their local machine within Docker. With a community of 57k+ GitHub stars and 290M+ downloads, and customers ranging from SMBs to Fortune 500 companies.

Company Mission

Empower developers to rapidly build and test their cloud applications, creating a more enjoyable dev experience and saving valuable time and resources.

What you will be working on / responsible for

  • 5+ years of experience in systems engineering, backend development, or a similar low‑level technical role.
  • Proven experience developing and maintaining container‑based runtime systems (e.g., Docker), focused on performance, reliability, and cross‑environment portability.
  • Solid understan...