Senior/Staff Software Engineer AWS

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 $25mil 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! 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. 👉Check our Notion Candidate Handbook and our GitHub! This is an ideal opportunity for someone with 5+ years in a senior engineering role, strong experience in API design and development, and a solid background in system architecture, to drive data-backed quality and emulation strategies that improve the correctness, reliability, and go-to-market success of LocalStack's emulation platform and ecosystem tooling. Requirements ✅ What you will be working on/responsible for

• Proactively work with the Technical Go to Market team, helping resolve technical issues, and formulating data-driven strategies for Engineering
• Contribute to the evolution of LocalStack's overall architecture, frameworks, data-driven development, and contribute to the Open Source ecosystem with a focus on impact in closing fidelity gaps
• Mentor engineers in reproducible testing, observability, failure analysis, and data‑driven prioritization; embed quality ownership into day‑to‑day workflows
• Collaborate with Core Engineering squads and service owners to prioritize and amplify their impact. Champion automation and explore innovative technologies to improve the quality of the emulator

✅ Experience we expect you to bring to the role

• 5+ years of professional experience in software engineering, preferably in Python
• Experience leading or owning significant parts of a complex code-base, preferably in a Python open-source project
• Deep experience with testing and refactoring at scale by the use of automation and observability
• Experience working directly with customers, resolving technical issues, and gathering requirements
• Deep expertise in AWS cloud development, both on application level and on platform level
• Strong experience with Infrastructure-as-Code tools such as AWS CDK, Terraform or Pulumi
• Experience with containerization (Docker, Kubernetes) and microservices architecture
• Mentorship and coaching experience to support team growth
• Experience in collaborating cross-functionally with Engineering, DevRel, and Go-to-Market teams

🌱 Values we hold in LocalStack

• Care: we create with compassion. We prioritize empathy and understanding in every interaction. By genuinely caring for our team, customers, and community, we create an environment where people thrive and impactful work flourishes
• Ownership: we own the outcome. We take responsibility for our work and are passionate about its impact. We foster autonomy, inspire ambition, encourage ownership, and empower everyone to unlock their potential and make an impact
• Openness: we build trust together. We build trust through open communication and honest feedback. By sharing ideas and embracing diverse perspectives, we create stronger, more connected teams that work toward shared goals
• Courage: we dare to innovate. We embrace bold challenges and take calculated risks to move the needle. We step outside our comfort zones, experiment fearlessly, and turn setbacks into springboards for growth
• Excellence: we chase the extraordinary. We chase excellence by pushing boundaries and delivering results that go beyond the ordinary, constantly raising the bar and striving for greatness in everything we do. Excellence is not just the outcome, itʼs how we approach every task with purpose, passion, and a commitment to delivering exceptional value

Benefits

• Fully remote
• Competitive salary
• Performance bonus
• Competitive share options
• Annual company retreat
• Learning budget

Why Join LocalStack? At LocalStack, we are at the forefront of shaping cloud DevX and redefining how developers interact with cloud platforms. By joining our team, you'll have the opportunity to:

• Lead a critical engineering function in a fast-growing company with huge open source traction and global customer base
• Work on cutting-edge technology with a talented and passionate team
• Shape the evolution of a product used and loved by thousands of developers worldwide

Sounds like a good match? We'd love to hear from you! Join us in shaping the future of cloud development at LocalStack. To apply, follow the LI application process or apply on our career page. Make sure to include a short motivation outlining why you are the perfect candidate for this role. We aim to come back to applicants within 2 weeks. Please note, that due to a high volume of candidates, we cannot offer personalized feedback to each candidate.