Software Development Engineer, AFT External Fulfillment

Amazon is hiring a Software Development Engineer, AFT External Fulfillment. Level rates it ; you can apply on Level.

Level's read on this job

On Level's scale, this software engineer role is Little AI ●○○○: aI is not part of the work.
The posting mentions Java, AWS and Distributed Systems among its tools and skills.
Level classes it as a mid-level role.
Amazon has 22,000+ other open roles on Level.

AI in this role

Design and develop scalable distributed software solutions for external fulfillment networks within Amazon Fulfillment Technology.

javaawsdistributed-systems

The Amazon Fulfillment Technology (AFT) powers the physical engine at the heart of Amazon. We are responsible for scalable and innovative solutions to enable fulfillment of millions of items every day across the globe. Our team owns the charter to make the AFT WMS more accessible and flexible for emerging markets and businesses. Join the team if you like to build scalable solutions that solves complex business problems and deliver strong business impact.

We are starting several key initiatives in our external fulfillment and are looking for a Software Development Engineer (SDE) who wants to be challenged with building and driving innovative and scalable systems that manage our external fulfillment network. This opportunity includes architectural challenges in making a large volume of constantly changing data available to various applications owned by diverse customers (internal and external) and business use cases; as well as innovative solutions for managing data quality, complex event processing.

We are building new products in this space with scaling requirements to support 10s of million business operations in a day across thousands of Fulfillment Centers. We are looking for SDEs who are passionate to build large-scale, multi-tiered, distributed software solutions. You will be empowered to think big, invent and simplify on behalf of our stakeholders and customers, and find elegant solutions to hard problems. You will be influencing other engineers and tech partners in the team to solve multi-region critical complex business features.

Key job responsibilities
As a Software Engineer you will be expected to:
- Design and develop creative solutions to complex engineering problems.
- Effectively mentor junior engineers, helping to maintain appropriate unit test coverage, code documentation, software structure and support
- Own and deliver end to end key initiatives, maintaining effective communication with management and stakeholders
- Identify, evaluate and suggest mitigation strategies for risks during design
- Contribute to system design, process and development standards documentation
- Delivering high quality code on time as part of a cross-functional team.
- Contributing to team discussions around system component design, improvement and integration.
- Designing and developing high performance, test-driven code.
- Working with and maintaining a large existing code base as well as new components; maintaining production code and contributing to deployment and QA processes.

About the team
We are a fast-paced and focused team of passionate Amazonians building Fulfillment solutions used externally. We are standing up fulfillment stack that will scale beyond Amazon sites globally. Our team is part of AFT, and works closely with Amazon Operations, 3rd Party Technical teams following a collaborative engagement model with joint workshops, and dedicated SME support.
The team values high ownership, bias for action, and insists on the highest standards while following a build-fast-and-iterate-fast methodology. We believe in speed through autonomy and safety through guardrails.

This team is suitable for passionate engineers who are equally interested in contributing to architecture and product strategy while building high-performing, scalable systems that directly impact Amazon internal and external operations and Amazon's growth.

Basic qualifications

- Experience (non-internship) in professional software development
- Experience designing or architecting (design patterns, reliability and scaling) of new and existing systems
- Experience programming with at least one software programming language

Preferred qualifications

- Bachelor's degree in computer science or equivalent
- Experience with full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations

Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice (https://www.amazon.jobs/en/privacy_page) to know more about how we collect, use and transfer the personal data of our candidates.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

How we rate this

Software Development Engineer, AFT External Fulfillment at Amazon rates 0 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.

Classification

Little AI. AI is not part of the work.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Open the description and count.

Key facts

Software Development Engineer, AFT External Fulfillment is an open job at Amazon.
Level rates this role AI Level 1 of 4: Little AI.
The role is based in LU, Luxembourg.
The job was posted on September 2, 2026.
Seniority: mid.
Applications are handled by Amazon. Apply on Amazon

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

JavaAWSDistributed Systems

Also common in software engineer jobs at this level

Python AWS Java C++Kubernetes TypeScript

Pay

Typical software engineer job: $168k

This posting doesn't list pay. Use the typical software engineer figure when pay comes up. See software engineer jobs

Questions you could be asked

What's a project where you used Java hands-on?
Walk me through how you've used AWS in your day-to-day work.
What are the limits of Distributed Systems that you've run into, and how did you work around them?

Adapt your resume

List these exact terms on your resume: Java, AWS, and Distributed Systems. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.

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