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Software Development Engineer III, AAIS Mosaic Data Platform

Amazon· AAIS Mosaic Data Platform
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Seattle, WA$168.1k - $227.4kFull-timePosted 1mo ago

About the role

SDE III and technical leader for the MOSAIC Data Platform, a suite of production services for data ingestion, storage, transformation and discoverability powering AWS AI services. Own end-to-end technical vision, architecture, and cross-organizational initiatives, with responsibility for scale, compliance, and operational excellence across multiple regions.

Responsibilities

  • Own the end-to-end technical vision and architecture for the Data Platform authoring multi-year roadmaps and driving alignment with org leadership on strategic technology investments.
  • Lead large-scale ambiguous initiatives (e.g. new region launches, platform re-architectures, compliance framework overhauls) from problem definition through delivery coordinating across multiple teams and organizations.
  • Establish engineering best practices and standards across the team - including API design patterns, service operational readiness requirements, and CI/CD pipeline maturity - that are adopted team-wide.
  • Proactively identify systemic risks, scaling bottlenecks, and operational gaps across the full service portfolio and drive solutions that prevent incidents and reduce operational toil org-wide.
  • Serve as the primary technical point of contact for cross-org stakeholders (AI service teams, compliance, security, infrastructure) representing Data Platform in org-level design reviews and planning.
  • Mentor and develop engineers, raising the technical bar through design review, leadership, career development coaching, and establishing technical growth paths on the team.
  • Drive operational excellence as the senior escalation path for high-severity incidents, authoring COEs with org-level impact and ensuring LORE compliance maturity across all services.
  • Influence the broader AAIS MOSAIC engineering culture through contributions to org-wide architecture forums, bar-raising initiatives, and thought leadership on distributed systems at scale.

Qualifications

  • - 5+ years of non-internship professional software development experience
  • - 5+ years of programming with at least one software programming language experience
  • - 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
  • - Experience as a mentor, tech lead or leading an engineering team

Skills

Required:Distributed systemsArchitecture & design leadershipMentorship and team leadership

Benefits

  • Base salary with sign-on payments and RSUs
  • Comprehensive benefits including health insurance (medical, dental, vision, prescription), life insurance, EAP, mental health support, FSA, adoption and surrogacy reimbursement, 401(k) matching, paid time off, parental leave
Last updated Oct 25, 2026. Interested? Apply on the company site.

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