We shipped production services for the largest AliExpress promo event. The work sat where traffic, coordination, rollback paths, and latency details all mattered at the same time.
The system had to survive campaign-scale spikes without making product teams wait on infrastructure ceremony.
At Deel, we built HR integrations for Klarna and Coinbase. The work involved reliable data movement, clean service boundaries, and integration surfaces that could be operated by teams beyond the original authors.
The pattern is consistent: make the critical path boring enough that the product can move fast on top of it.