System Development Engineer, Enterprise Engineering

AppLink in Enterprise Engineering is seeking a System Development Engineer to join our team building Amazon's unified platform for third-party SaaS deployment and lifecycle management at enterprise scale.

We manage 25+ 3P SaaS products, powering 500K+ annual operations for teams including Enterprise Service Delivery, Unified Communications, ITShop, AppSense, and MAX.

Key job responsibilities

• Build scalable, fault-tolerant storage, indexing, and query systems underpinning AppLink's configuration, token management, and usage collection services — designed for high availability and low operational overhead.
• Develop intelligent automation enabling proactive 3P SaaS governance, including StoneGate License Manager (SLiM), License Integration Management Engine (LiME), and HRIS Event Reactor for real-time deprovisioning.
• Deliver 2026 roadmap initiatives including self-service workflow configuration — reducing platform team dependencies and increasing deployment velocity.
• Partner with Security, IT Shop, and Service Management teams to ensure AppLink meets Amazon's security bar, compliance requirements, and operational excellence standards.
• Mentor engineers, participate in hiring loops, and contribute to oncall rotation with proactive ticket management and production incident ownership.

A day in the life

Partner with cross-disciplinary Amazonians to design and deliver AppLink's 3P lifecycle management platform, enabling secure, no-code SaaS integration across Amazon's enterprise ecosystem.

Architect and build distributed systems powering Applink's core workflows — User Lifecycle Management, TokenFlow, LogFlow, and AccessFlow — at Amazon enterprise scale.

Develop intelligent automation and prediction systems enabling proactive lifecycle governance for 3P SaaS, including StoneGate License Manager and HRIS Event Reactor.

About the team

AppLink is a team of 11 engineers and 1 TPM, Dublin-based team with a strong engineering culture — investing in technical depth, career growth, and building systems that eliminate manual effort for hundreds of software owners across Amazon.

Basic Qualifications

• Knowledge of systems engineering fundamentals (networking, storage, operating systems)
• Experience (non-internship) in professional software development
• Experience designing or architecting (design patterns, reliability and scaling) of new and existing systems
• Experience in networking, storage systems, operating systems and hands-on systems engineering
• Experience programming with at least one modern language such as C++, C#, Java, Python, Golang, PowerShell, Ruby

Preferred Qualifications

• Experience with PowerShell (preferred), Python, Ruby, or Java
• Experience working in an Agile environment using the Scrum methodology

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