Senior Software Engineer - AI Data Platform & Infra

Airwallex; Seattle (WA); On-site; USD 140,000 - 210,000; Full time

Job summary

Airwallex is seeking a Platform Engineer in Seattle to advance our next-generation infrastructure for real-time AI enablement and global data services. You will lead architectural decisions and build high-availability systems powering multi-region operations.

The role emphasizes performance tuning, scalable AI workflows, and mentorship within a high-impact engineering team, driving cutting-edge technology across a distributed platform.

Responsibilities

• Architect & Build: Lead technical decision-making and custom development for core infrastructure components, extending from foundational storage to high-availability service layers.
• Systems Optimization: Deep-dive into performance tuning and systems internals- such as state management, checkpointing, and exactly-once semantics to ensure millisecond-level accuracy at global scale.
• AI Infrastructure: Develop and integrate the "Knowledge Platform," enabling AI-driven products through scalable vector indexing, agentic workflows, and real-time data streaming.
• Distributed Systems at Scale: Own the full SDLC for high-performance distributed systems (batch and streaming) that process petabytes of data across 30+ global regions.
• Engineering Rigor: Advocate for elite software engineering practices, contributing to shared tooling, SDKs, and automation frameworks that enhance the productivity of engineering teams company-wide.
• Mentorship: Act as a technical beacon and mentor

Job description

Airwallex is seeking a Platform Engineer in Seattle to advance our next-generation infrastructure for real-time AI enablement and global data services. You will lead architectural decisions and build high-availability systems powering multi-region operations.

The role emphasizes performance tuning, scalable AI workflows, and mentorship within a high-impact engineering team, driving cutting-edge technology across a distributed platform.