Senior SDE III — Mosaic Data Platform Lead

Socket.dev; Seattle (WA); On-site; USD 168,000 - 227,000; Full time

Job summary

Amazon AWS seeks an SDE III to lead the MOSAIC Data Platform, a suite of services powering scalable data ingestion, storage, transformation, and discovery for AI services across 15–19 regions. You will own the technical vision, drive multi-year roadmaps, and influence strategic investments with senior leadership.

You will mentor engineers, establish best practices, and ensure compliance and operational excellence across all services in a fast-paced, high-impact environment.

Qualifications

• 5+ years of non-internship software development experience.
• 5+ years of programming with at least one language.
• 5+ years of leading design or architecture of new and existing systems.
• Experience as a mentor, tech lead or leading an engineering team.
• 5+ years of full software development lifecycle, including coding standards and reviews.
• Experience building data platforms, data lakes, or ETL/ELT at scale.
• Deep familiarity with data compliance frameworks such as GDPR, PCI, SOC, ISO, HIPAA.
• Experience operating multi-region, latency-critical services with sub-10ms p90 SLAs.
• Background in ML/AI data infrastructure—data flywheel automation or model training data pipelines.
• Experience with event-driven architectures and streaming data pipelines.

Responsibilities

• Own the end-to-end technical vision and architecture for the Data Platform, multi-year roadmaps, alignment with leadership on investments.
• Lead large-scale, ambiguous initiatives from definition to delivery, coordinating across teams and orgs.
• Establish engineering best practices and standards adopted team-wide (APIs, reliability, CI/CD).
• Identify systemic risks, scaling bottlenecks, and operational gaps; drive solutions to reduce toil.
• Serve as primary technical contact for cross-org stakeholders (AI service teams, security, infra).
• Mentor engineers, drive design reviews, and establish technical growth paths on the team.
• Drive operational excellence as senior escalation path for high-severity incidents; COEs and compliance maturity.
• Influence MOSAIC engineering culture through architecture forums and bar-raising initiatives.

Job description

Amazon AWS seeks an SDE III to lead the MOSAIC Data Platform, a suite of services powering scalable data ingestion, storage, transformation, and discovery for AI services across 15–19 regions. You will own the technical vision, drive multi-year roadmaps, and influence strategic investments with senior leadership.

You will mentor engineers, establish best practices, and ensure compliance and operational excellence across all services in a fast-paced, high-impact environment.