A teammate is technically strong but has weak soft skills that hurt the team atmosphere. What do you do?

Question

Accepted Answer

I address it **directly and early**, because a brilliant engineer who corrodes the team is a **net negative** no matter their output. The goal is to help them improve, not to tolerate or to fire — but I make clear that behavior is part of the job.

## Don't ignore it

The most common and most damaging mistake is letting it slide because they're productive. The team notices, morale drops, and quieter people start leaving. **Inaction is a decision** — and it signals that talent buys a pass on respect.

## Give specific, private feedback

Vague feedback ("be nicer") fails. I use concrete examples tied to impact:

> "In yesterday's review you called Maya's approach 'amateur.' She stopped contributing for the rest of the meeting. Your point was right, but the delivery cost us her input."

This separates the **valid technical point** from the **harmful delivery**, so they don't feel their expertise is being attacked.

## Make expectations explicit

- Frame **collaboration and communication as core job requirements**, not optional extras — often nobody ever told them.
- Many strong-but-difficult engineers genuinely **don't see the impact**; awareness alone fixes a lot.
- Offer support: coaching, a mentor, or modeling the behavior yourself.

## Hold the line

If the behavior continues after clear, repeated feedback, I escalate to formal performance management with their manager. **Sustained toxicity outweighs technical skill** — protecting the team is the priority.

## Pitfalls

- **Tolerating it for their output** — the long-term cost in attrition dwarfs their contribution.
- **Public callouts** — humiliation breeds defensiveness, not change.
- **Assuming malice** — most aren't trying to be difficult; they lack awareness or skills.
- **Never following through** — feedback with no consequence trains them to ignore you.

## Why it matters

A team's output is bounded by its weakest dynamics, not its strongest individual. One unchecked toxic-but-talented engineer can drive out three good ones and cap everyone's willingness to collaborate. Handling it well protects culture, models that standards apply to everyone, and often turns a difficult expert into a genuinely strong teammate.