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Deep Signal Quarterly – Q4 2025
18th January 2026
Engineers building training loops 12 months ago now write schedulers and KV cache logic. The talent has physically relocated. -

Deep Signal Quarterly – Q3 2025
16th October 2025
The kernel-compiler hybrid project crossing 50 contributors missed badly. The talent is concentrating in fewer hands than expected. -

Deep Signal Quarterly – Q2 2025
13th July 2025
Agent role fracture is visible in contributor patterns but hasn't crystallised into distinct job families yet. -

Deep Signal Quarterly – Q1 2025
17th April 2025
Silicon vendors are staking open-source beachheads at a pace outstripping what most hiring teams realise. -

Deep Signal Quarterly – Q4 2024
15th January 2025
GPU kernel engineering posted its strongest quarter in two years, and the growth curve feels like an unexpected direction. -

Deep Signal Quarterly – Q3 2024
15th October 2024
Churn dropped 35% QoQ while the contributor base grew 10%. vllm is retaining. The question is whether you're sourcing from the right pool.
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