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Slack Sales Development Representative (SDR/BDR) Interview Questions

30 real practice questions for the entry-level Sales Development Representative (SDR/BDR) role at Slack (Communications / Productivity), spanning behavioral, problem solving, role knowledge, situational, and stakeholder. Open the sales funnel: prospect, qualify, run outreach and discovery, and book meetings for account executives. The first 3 questions below include what Slack interviewers actually listen for, plus likely follow-ups.

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Questions
30
Categories
Behavioral (6), Problem Solving (6), Role Knowledge (6), Situational (6), Stakeholder (6)
Difficulty mix
10 easy · 10 medium · 10 hard
Avg. answer time
~4 min

Behavioral Questions (6)

  1. 1.Think about a group project or team setting where someone wasn't speaking up much. Did you ever pull that person in, and what happened when you did?

    easy~3 min

    What interviewers look for

    • Candidate noticed a quieter teammate was being overlooked and took a deliberate action to include them — not just waited for the person to speak up on their own.
    • The outcome was measurably better because of the perspective that was surfaced — the team changed direction, avoided a mistake, or produced a stronger result.
    • Candidate reflects on why inclusive habits matter in a team environment and shows awareness that diverse viewpoints improve outcomes, connecting to Slack's Inclusive Collaboration principle.

    Likely follow-ups

    • What specifically made you notice that person wasn't contributing — was there a moment that triggered it?
    • How did the rest of the team respond when that person's idea came out? Did anyone push back?

    Company context

    Slack's Inclusive Collaboration principle explicitly asks engineers — and everyone on the team — to make sure quieter voices are heard, not just the loudest ones in the room. For an entry-level SDR, this maps directly to team prospecting sessions, account strategy meetings, and pairing with Account Executives: Slack wants SDRs who naturally create space for others rather than defaulting to whoever shouts first. This question is intentionally easy because the bar for a 0–2 year candidate is demonstrating the instinct, not a polished playbook.

  2. 2.Tell me about a piece of work — an email, a pitch, a deliverable — where you got feedback that it was 'good enough' but you weren't satisfied with it. What did you do?

    easy~3 min

    What interviewers look for

    • Candidate can name a specific deliverable where they chose to do additional work beyond what was required or approved — not because they were asked to, but because their own standard wasn't met.
    • The extra effort was targeted and purposeful — they fixed a specific thing that bothered them — not vague 'I kept refining it.' This connects to Slack's Craftsmanship value of obsessing over the right details.
    • The improved version performed meaningfully better or was received more positively — candidate can describe the delta and connect it to the extra care they put in.
    • Candidate shows genuine pride in the work itself — not just the outcome — reflecting Slack's culture of caring about the quality of what gets shipped, from pixel polish to outbound copy.

    Likely follow-ups

    • What specifically was wrong with the first version — what word or line or section made you uncomfortable sending it?
    • Is there a point where you'd say something is genuinely finished, or do you always see something to improve? How do you know when to stop?

    Company context

    Slack's Craftsmanship value is one of the most distinctive things about its culture — the company obsesses over small details, from typing latency to error message phrasing to the tone of a notification. For an SDR, craftsmanship shows up in outbound copy, subject lines, call scripts, and the way they personalize sequences for Slack's enterprise and mid-market buyers. An SDR who holds themselves to a higher standard than 'good enough' is aligned with Slack's product identity and customer expectations. This is an easy question because the bar is just demonstrating the instinct — not a sophisticated playbook — and most candidates with genuine craftsmanship will have a small, concrete story ready.

  3. 3.Tell me about a time you received feedback on something you'd worked hard on and your gut reaction was to push back. What did you do with it?

    medium~4 min

    What interviewers look for

    • Candidate received substantive, critical feedback on a deliverable they were invested in — a pitch, a presentation, an email sequence, a project — and their first instinct was defensive resistance.
    • Rather than dismissing the feedback, the candidate paused, asked clarifying questions, or sought to understand the reviewer's perspective before responding — demonstrating Slack's value of Courtesy under pressure.
    • The feedback materially improved the final output, and the candidate can articulate specifically what changed and why the reviewer was right (or partially right).
    • Candidate shows self-awareness about the emotional arc — acknowledging the initial resistance without shame — which reflects Slack's culture of psychological safety and honest retrospection.

    Likely follow-ups

    • What was the hardest part of the feedback to hear — was it about the work or about how you'd approached it?
    • If you were giving that same piece of feedback to someone else today, how would you phrase it differently than they did to you?

    Company context

    Slack's 'Code Review with Care' principle — while named for engineering — is a cultural artifact that runs across every function: feedback should be technically (or functionally) sharp AND delivered respectfully, and the recipient should be able to internalize it productively. For an SDR at Slack, this manifests in coaching calls with managers, peer feedback on outbound messaging, and AE partnerships reviewing pipeline quality. Slack's hiring process explicitly probes this with PR review exercises; for non-technical candidates, the analog is how they receive and act on sales coaching. The medium difficulty reflects that the candidate must navigate both emotional honesty and a concrete behavioral change.

  4. 4.Describe a time when something a customer or user said — maybe a complaint, an offhand comment, a review — actually changed how you approached a task or project. What shifted?

    medium~4 min

  5. 5.Walk me through a real disagreement you had with a teammate or someone in a different role. How did you actually resolve it — not smooth it over, but resolve it?

    hard~5 min

  6. 6.Tell me about a time you noticed something wasn't working in a team process — a meeting format, a way of sharing information, anything — and you suggested a change. What did you actually do, and did anyone resist?

    hard~5 min

Problem Solving Questions (6)

  1. 7.You have 50 accounts to prospect this week. How do you decide which ones to contact first?

    easy~3 min

  2. 8.A prospect at a 300-person company asks you point-blank: 'What does Slack actually cost?' You don't know their exact situation yet. How do you answer?

    easy~2 min

  3. 9.Estimate how many companies in the U.S. are realistic targets for Slack's mid-market sales team. Walk me through how you'd get to a number.

    medium~4 min

  4. 10.You're prospecting into a 500-person manufacturing company. They have no obvious tech signals — no Slack mentions on LinkedIn, no job postings for collaboration tools, nothing. How do you build a case for reaching out anyway, and what angle do you lead with?

    medium~4 min

  5. 11.Slack's average selling cycle for a mid-market deal is roughly 30-60 days. You're an SDR trying to book meetings in January for your AE — but January is historically slow because most companies are still setting budgets. How do you think about managing your pipeline and activity so your AE has meetings in February and March?

    hard~5 min

  6. 12.Your VP of Sales just announced that the team is shifting focus from SMB accounts (under 100 employees) to mid-market (200 to 2,000 employees). You've spent the last three months building expertise in SMB outreach. What breaks in your current approach, and what do you change first?

    hard~5 min

Role Knowledge Questions (6)

  1. 13.If you're cold-calling a VP of Engineering at a 500-person software company to pitch Slack Connect, what's the core problem you'd lead with — and why that one?

    easy~3 min

  2. 14.Walk me through how you'd calculate whether you're on track to hit your monthly quota of 15 booked meetings halfway through the month.

    easy~2 min

  3. 15.You send 100 cold emails in a week and get a 2% reply rate. Your manager says the benchmark is 8%. Before you rewrite the whole sequence, what are the first three things you'd check?

    medium~4 min

  4. 16.A prospect you've been warming up for three weeks just told you they're 'too busy' and to reach out in Q3. How do you handle the next 60 days so you're not starting from scratch when Q3 arrives?

    medium~4 min

  5. 17.Your AE tells you the SQLs you're booking aren't converting to pipeline — deals die in discovery. What's your hypothesis for what's going wrong, and how do you change what you're doing upstream?

    hard~5 min

  6. 18.Slack is pitching a 300-person professional services firm that currently runs all client communication through email. The champion loves Slack Connect, but the CEO just asked, 'Why would our clients ever agree to use this?' How do you arm your champion to answer that?

    hard~5 min

Situational Questions (6)

  1. 19.You've just left a voicemail for a prospect and they call back — but you weren't expecting it and you're mid-lunch with no notes in front of you. How do you handle the next two minutes?

    easy~2 min

  2. 20.Your AE just forwarded you a glowing reply from a prospect you booked last week — they loved the discovery call and want to move fast. But the AE also mentioned the company only has 40 employees. Your target segment is 200+. What do you do?

    easy~3 min

  3. 21.You're running a sequence targeting IT managers at mid-market companies about Slack's Workflow Builder — automating internal processes like IT tickets and onboarding. Three weeks in, you're getting replies, but they keep saying 'our IT team already has a ticketing system.' How do you adjust?

    medium~4 min

  4. 22.You're prospecting into a 600-person financial services company. You've found two potential champions — the Head of IT and the Chief of Staff to the CEO. They don't know each other well. How do you decide who to go to first, and what's your plan for eventually getting both of them in the room?

    medium~4 min

  5. 23.You've been asked to pilot a new outbound sequence targeting HR leaders to sell Slack's AI-powered channel summaries as an employee onboarding tool. You run it for two weeks, get solid reply rates, but your manager tells you the pilot is being killed because the AEs don't want HR deals — they're focused on IT and Engineering buyers. You think the HR angle is real. What do you do?

    hard~5 min

  6. 24.A warm inbound lead comes in from a Director of Operations at a 400-person logistics company — they filled out a form asking about Slack for Teams. But when you research the account, you see their parent company, a 5,000-person enterprise, already has a Slack contract managed by a different AE. How do you handle this?

    hard~5 min

Stakeholder Questions (6)

  1. 25.Tell me about a time you had to get someone — a professor, a manager, a teammate in a different role — to care about something they hadn't prioritized. How did you make the case?

    easy~3 min

  2. 26.Think about a time you were the newest or most junior person in a room — or on a thread — and you had information or a perspective that the more senior people didn't. Did you share it? How?

    easy~3 min

  3. 27.Your marketing team just launched a new campaign pushing Slack's AI channel summaries to HR leaders — but your AE's territory is focused entirely on IT and Engineering buyers. Marketing keeps routing you AI-related leads from HR. How do you handle the gap between what marketing is generating and what your AE actually wants?

    medium~4 min

  4. 28.Imagine your AE is very experienced — five-plus years — and they have a strong opinion about how you should be qualifying prospects before booking meetings. You've noticed a pattern they're missing. How do you bring that up?

    medium~4 min

  5. 29.You've booked a meeting with a VP at a 500-person company. The night before the discovery call, your AE asks you to join and take notes — but during the call, you can tell the AE is misreading the prospect's actual pain. They keep pitching Workflow Builder but the prospect keeps steering toward Slack Connect. Do you say anything, and if so, how?

    hard~5 min

  6. 30.You're three months into the role and you notice that the way your team tracks outreach activity in Salesforce is inconsistent — some reps log calls, some don't, and the data your manager uses to coach the team is unreliable. You're not in charge of process. Do you do anything about it, and how far do you take it?

    hard~5 min

More Slack interview questions