More likely to be a tech lead in those cases, or to be helping hold the project together while they are hiring a full time resource. Also in certain cases the companies are so far from ideal states that a lot of good can be done in 6 months. Overall, I agree that most times it won't make sense for a company to plan on switching dev managers or tech leads after < 6 months, but again that assumes ideal conditions or options.
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Is there a market for a dev manager/tech lead for less than 6 months? Seems like a slow ramp long term engagement
More likely to be a tech lead in those cases, or to be helping hold the project together while they are hiring a full time resource. Also in certain cases the companies are so far from ideal states that a lot of good can be done in 6 months. Overall, I agree that most times it won't make sense for a company to plan on switching dev managers or tech leads after < 6 months, but again that assumes ideal conditions or options.