Senior Software Engineer - Systems Engineering

July 17

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LocalStack

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SaaS • Productivity • Developer Tools

LocalStack is a tool that enables developers to run and test their AWS applications locally, facilitating faster development and reducing AWS costs. By serving as a localized emulator for AWS, LocalStack simplifies the development and testing process, allowing teams to focus on building and deploying applications without the overhead of managing AWS dev accounts. It offers features like local AWS service emulation, enhanced development speed, and reduced complexity in cloud application testing. This makes it a popular choice among development teams looking to improve productivity and efficiency in cloud-based projects, all while minimizing cloud expenses.

11 - 50 employees

Founded 2017

☁️ SaaS

⚡ Productivity

📋 Description

• 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. • 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! • Our 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 sustainably growing our globally distributed team across sectors. • LocalStack is headquartered in Zurich/Switzerland 🇨🇭, with a main engineering office in Vienna/Austria 🇦🇹 and remote team members from 🇺🇸the US, 🇫🇷FR, 🇬🇧UK, 🇨🇦CA, 🇪🇸ES, and many more countries. • This is the right opportunity for a person with over 5+ years in systems or backend engineering roles, experience in building low-level runtime systems for containerized environments, a strong background in API design and build, as well as a strong background in cloud-native technologies like Docker and Kubernetes.

🎯 Requirements

• 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), with a strong focus on performance, reliability, and cross-environment portability. • Solid understanding of container orchestration platforms such as Kubernetes, and experience building tooling or infrastructure to support complex deployments. • Strong software engineering skills with proficiency in Python (or similar languages), and experience designing well-structured APIs and system architectures. • Familiarity with benchmarking, profiling, and optimizing distributed systems at the emulator or runtime level. • Hands-on experience contributing to or maintaining Open Source projects, with a collaborative and community-first mindset. • Comfortable taking ownership of core infrastructure components and driving projects from idea to delivery. • Strong communication and collaboration skills, with the ability to work closely with product teams and customers to resolve technical challenges. • Experience mentoring engineers, giving feedback, and helping build a high-performing engineering culture. • A proactive attitude and eagerness to work in a fast-paced startup environment, continuously improving developer experience and cloud emulation capabilities. • 5+ years of professional experience in software development, with a strong foundation in designing, building, and maintaining complex systems. • Proficiency in systems-level languages such as Rust, C, or C++, and/or high-level languages like Python. • Deep understanding of Linux system APIs and internals, including networking, namespaces, and tracing mechanisms. • Hands-on experience with advanced debugging and observability tools such as perf, eBPF, strace, and similar. • Proven ability to debug and trace application behavior in complex containerized setups (e.g., Docker, Kubernetes), addressing issues like crashes, networking, resource constraints, and permission errors. • Familiarity with both application-level and platform-level cloud development, as well as Infrastructure-as-Code tools like AWS CDK, Terraform, or Pulumi. • Experience in coaching and mentoring engineers, fostering a culture of learning and technical excellence. • Exposure to working across Engineering, Developer Relations, and Go-to-Market teams to align on product goals and delivery. (Nice to have) • Experience interfacing directly with customers to gather requirements, troubleshoot issues, and deliver technical solutions. • Background in team or technical leadership, including ownership of critical projects and architectural decision-making. (Nice to have)

🏖️ Benefits

• Fully remote • Competitive salary • Opportunities for professional development and training. • Dynamic and collaborative work environment. • Flexible work arrangements.