Sales Development Representative (BDR / SDR)
Frequently asked questions about hiring for the Sales Development Representative role, plus the mistakes that most often derail it.
Common hiring mistakes for this role
The SDR is the position where recruiting mistakes are most expensive in absolute terms (fast turnover, a short but lost ramp) and most invisible in the interview (energy deceives). Here are the five recurring traps.
Hiring on interview energy instead of cadence
The most common trap: a candidate speaks fast, smiles, radiates a convincing energy in the interview, and the analysis stops there. But interview energy (60 minutes) is very different from a sustainable cadence over 6-12 months (40 hours a week of repetitive prospecting). SDR performance after 6 months correlates more strongly with calendar discipline and rejection handling than with interview charisma. Reserve more time for questions about daily rituals and the outbound role-play than for open motivation questions.
Confusing an SDR with an Account Executive or Inside Sales
The SDR generates pipeline through outbound and qualifies upstream; they do not close. The Account Executive qualifies in depth, negotiates and closes. Inside Sales often does both on short cycles and small basket sizes. Blending the three in one ad produces two classic outcomes: either you attract candidates frustrated 4 months after hiring because they lack the promised closing responsibility, or you scare off real SDRs because the scope feels confusing. State explicitly in the ad that the quota is in qualified meetings or SQL, not in revenue.
Confusing an SDR with a telemarketer or inside-sales caller
Classic telemarketing is a job of pure volume on rigid scripts, with little qualification and little personalization. The modern B2B SaaS SDR is a job of discipline plus personalization plus qualification: yes, volume, but on a clearly defined ICP, with an adapted opening and an applied qualification frame. Framing the ad as telephone field sales (100 calls a day) attracts telemarketing profiles who do not hold the expected level of personalization, and scares off the real SDR candidates who are looking for a trajectory toward Account Executive.
Assuming junior equals moldable, without diagnosing baseline discipline
Many SMBs hire graduates as SDRs with the thought we'll train them. That is true, but training does not replace missing baseline discipline at the start. If a candidate arrives late to the interview, has not prepared the fictional ICP sent in advance or did not keep a coherent personal schedule during their studies, training does not correct that base. Filter on observable discipline before raw sales talent; the second can be shaped, the first much less.
Not articulating the SDR-to-AE ramp from the start
For the majority of high-performing profiles the SDR is a 12-24-month position; beyond that they either move internally to Account Executive or go elsewhere. The SMBs that do not articulate this ramp from the start (transition criteria, an indicative calendar, support) suffer a predictable turnover at month 15-18 and lose the ramp investment. Clarify explicitly: if you reach X in 12 months, you are a candidate for an AE move at month 15-18, supported by a 3-month transition plan. Without this articulation you are training SDRs for your competitors.