Senior Software Engineer (Systems Engineering)

LocalStack

📍 , , United Kingdom, , , United Kingdom, United-Kingdom

Full-time IT & Technology Posted March 02, 2026

Job Description

Senior Software Engineer – Core Infrastructure

We are a fast-growing Series A startup building cutting‑edge technology to revolutionize cloud development processes and support highly efficient dev & test feedback loops. We've closed our last $25 million round in Q4 2024, led by Notable Capital, CRV and Heavybit.

At its core, LocalStack provides a high‑fidelity emulator and local cloud development platform. Imagine developing cloud applications and data pipelines entirely on your local machine within a lightweight cloud sandbox, running in Docker!

Mission is to empower developers to rapidly build and test their cloud applications, allowing for a more enjoyable dev experience, and saving valuable time and resources.

LocalStack has a large and active open‑source community (57K+ stars on GitHub) with over 100K active users worldwide and 290M+ downloads to date. Our customer base ranges from SMBs to Global Fortune 500 companies.

We are...