Software Engineer (Python/AWS)

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Develop and test your AWS applications locally to reduce development time and increase product velocity.

LocalStack

Employee count: 11-50

Spain only

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We are a young, fast-growing startup building cutting-edge technology to revolutionize cloud development processes and support highly efficient devtest 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 (51k+ stars on GitHub) with several 100k active users worldwide and 200M+ downloads to date. With a growing international customer base across Fortune Global 500 companies for our advanced enterprise offerings, as well as a growing, globally distributed team of top-notch engineers and GTM experts, we are on an exciting growth journey to become the world’s leading platform for local cloud software development.

LocalStack is headquartered in Zurich/Switzerland, with a development office in Vienna/Austria and remote team members from around the world (incl. US, FR, UK, IN, IT, MX, IE).

Requirements

We are looking for an experienced mid-level Software Engineer with a strong background in Python development and expertise in AWS. The candidate will play a significant role in enhancing and expanding LocalStack's AWS core cloud emulator with features, parity improvements, and integrations. While proficiency in Python and AWS is essential, experience with other cloud platforms is also advantageous.

Key Responsibilities

Contribute to LocalStack's AWS emulator, applying and extending the LocalStack emulator framework to implement and test AWS APIs.
Collaborate in a Core Engineering squad to implement features that meet the needs of developers working with AWS environments.
Develop high-performance local cloud service emulators while maintaining a strong focus on reliability and developer experience.
Contribute to the evolution of LocalStack's overall architecture and frameworks, and contribute to the Open Source ecosystem.
Help make LocalStack’s AWS emulator more robust by contributing to AWS sample applications and parity tests.
Spearhead the development of scalable support processes as the company and user base grows
Bring the customer feedback back to the developer and product team and help shape our product direction
As our enterprise offering grows, work more closely with larger customers that use our product for their entire organization

Required Qualifications

3+ years of professional experience in software engineering, with a focus on Python development.
Strong hands-on experience with modern Python development (type hinting, unit/integration testing with pytest, object-oriented software design, applying Python frameworks).
Demonstrated expertise in AWS services and cloud technologies, with a good understanding of AWS APIs, SDKs, and infrastructure.
Hands-on experience with Infrastructure-as-Code tools such as Terraform or Pulumi
Problem-solving skills and the ability to tackle complex technical challenges in a fast-paced environment.
Excellent communication and collaboration skills, with the ability to effectively interact with team members.
Has an open, honest, and compassionate personality, shows empathy, and demonstrates a proactive approach to tasks and challenges.

Preferred Qualifications

Experience working with other cloud platforms such as Azure, Google Cloud Platform (GCP), or others
Familiarity with containerization technologies (e.g., Docker, Kubernetes) and microservices architecture.
Knowledge of DevOps practices and tools for automation, deployment, and monitoring
Active participation in open-source communities or contributions to relevant projects
Experience building developer tools

Benefits

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

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About the job

Apply before

Jul 28, 2025

Posted on

May 29, 2025

Job type

Full Time

Experience level

Mid-level

Location requirements

Spain

Hiring timezones

Spain +/- 0 hours

About LocalStack

Learn more about LocalStack and their company culture.

View company profile

Develop and test your AWS applications locally to reduce development time and increase product velocity. Reduce unnecessary AWS spend and remove the complexity and risk of maintaining AWS dev accounts.

We are a young, fast-growing start-up building cutting-edge technology to revolutionize cloud development processes and support highly efficient dev & test feedback loops. Our mission is to empower developers to rapidly build and test their cloud applications, saving valuable time and resources.

Giving Developers Control Back

At LocalStack, we believe that empowering developers and giving them full control over their environments is the key to driving innovation. We live and breathe developer experience in everything we do, and have set out to pursue the audacious goal of seamlessly integrating and complementing the centralized nature of the cloud with our suite of tools that allow developers to build decentralized dev & test loops for full flexibility, control, and unprecedented cloud development speed.

Our mission is to give developers back control over their environments and free them from wasting time with inefficient dev & test loops in the cloud, so they can instead focus on developing great products to solve the world's problems.

Why LocalStack

At LocalStack, we're on a mission to transform cloud development by building a product that developers love, while also creating a unique and interesting workplace where people come first. Our international and open-minded culture is built around inclusiveness and innovation, embracing diverse work styles and empowering every individual to grow and be their best. In our remote work environment, transparent and open communication enables self-determination, autonomy, and proactive collaboration. We strive for excellence, and take strong ownership of our work, with empathy, compassion, and a no-ego feedback culture being at our core. Proactive, and autonomous professionals who are great at what they do, are eager to grow, and embrace change, will thrive in our environment. Join us to shape the future of cloud development in a dynamic and fulfilling workplace!

What we Stand for

People first: People come first, as they are at the heart of everything we do. We're on a mission to build a product that developers love, and a workplace where everyone thrives. When people enjoy what they work on, who they work with, and how they work, productivity will follow. This is true for us just as it is for our customers.

One size does not fit all: People first also means realizing that everyone is different, and needs different things to be productive. A person may be held back in one environment, but thrive in another. The same is true for projects and how we work on them. We embrace diverse work styles and empower individuals to be their best taking all their unique strengths and weakness into account.

Through failure we learn: We are a young and growing company venturing into the unknown. Whatever we do right now may not work three months from now. We may introduce processes or tools that we think are a good idea, but turn out not to work. Question the status quo and put forth new ideas, backed by informed arguments. Own it when they fail! If we accept and embrace these failures, we can learn together and ultimately grow closer as a team.

Embracing distributed decision making: We believe in the power of individual ownership and distributed decision making. As a young and dynamic organization we can only scale if we have efficient mechanisms in place that prevent bottlenecks. Distributed decision making is all about trust—which we can achieve by focusing on transparency, accountability, and feedback mechanisms.

Tech stack

Learn about the tools and technologies that LocalStack uses to build, market, and sell its products.

View tech stack

Electron

Material-UI

JavaScript

Python

HTML5

CSS 3

Flask

TypeScript

Google Tag Manager

Snowflake

Amazon EC2

24 more

LocalStack employees can create an account create an account to update this tech stack.

Employee benefits

Learn about the employee benefits and perks provided at LocalStack.

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Bonus

Competitive salary and performance-based bonuses.

Learning and development

Opportunities for professional development and training.

Open source

LocalStack has a large and active open source community (49k+ stars on GitHub) with several 100k active users worldwide and 180M+ downloads to date.

View LocalStack's employee benefits

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