Work Notes

Sharing experience, insights, and practical solutions from real projects. Architecture, performance, processes, and teams.

2025-12-17·18 min

The Math Behind Hiring Juniors: When It Pays Off and When You're Burning Money

Last year I refused to hire a junior for a 6-month project. Client was upset: 'Why not? Saving money?' I showed the math: junior breaks even at month 5, project ends at month 6 — negative ROI. Here's the complete financial analysis.

#management
#team building
#hiring
#finance
#junior

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2025-11-23·15 min

The Onboarding Mistake That's Costing You 42% of Your Team

Yesterday at an HR conference, I heard again: 'Young people don't want to work, everyone leaves after a month'. Here's a 2013 case study of how we reduced early attrition from 42% to 14%. Spoiler: it's not about 'young people', it's about the system.

#HR
#team building
#onboarding
#management
#retention

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