Backdoor
Stop designing sequences. Start hearing from founders.
lemlist runs the campaigns you build and monitor. Backdoor picks the startups, drafts each founder note and handles the follow-ups, and you reply SEND.
2. Trigger.dev, background jobs
3. Mintlify, docs for dev tools
Backdoor
Running campaigns takes the evenings you wanted back.
- 1
You build a list of leads.
- 2
You write each step of the sequence.
- 3
You watch the dashboard for replies.
Same founder. None of the legwork.
Founders at early startups often read their own email. A short note about why you fit them stands out there in a way a form application rarely does.
A founder's inbox, the week a role goes up.
One short note, about why you fit. Then a reply.
Hey, this is great timing. We're about to open this role.
Free for a quick call Tuesday?
Here's what it feels like instead.
Backdoor does the searching, writing and chasing. You stay in the loop and say yes.
BackdoorReach them before the job is posted
Startups that fit you come to you each morning, so there's no lead list to build.
BackdoorNothing goes out without your yes
You see each draft in chat, and it only sends from your Gmail when you reply SEND.
BackdoorYou hear back in your chat
Replies come to you as a text, not a dashboard you have to keep checking.
Replies come in weeks, not months.
Backdoor only writes to founders you fit, so the ones who answer tend to answer fast. See the research
first founder replies came within two weeks
interviews came within two weeks
replies came after a follow-up Backdoor sent
Among people who got a reply or an interview, May to September 2026.
Give it three weeks.
Out of every 10 people who let Backdoor run for three weeks or more:
And you never have to chase.
4 in 10 founder replies came after a follow-up. Backdoor sends those for you, so you never have to chase.
Start tonight. Wake up to founders who fit you.
Every morning Backdoor picks startups for you and drafts the notes. All you do is reply.
Say hi
On WhatsApp or iMessage. It takes ten seconds.
Send your LinkedIn
Or your resume. Backdoor reads up on you.
Get your first founders
Startups that fit you, with notes ready to send.
Questions, answered.
It works well if you want to run your own campaigns. If you'd rather skip the setup, Backdoor picks startups, writes the notes and follows up while you reply SEND.
Backdoor. It's built around founders at pre-seed to Series C startups, and 4 in 10 founder replies came after a follow-up.
Often, when the note is short and clearly about them. Backdoor keeps every note specific to why you fit that startup.
No. Every note waits in your chat until you reply SEND, and then it goes out from your own Gmail. After that, follow-ups go out on their own in the same thread.
Also comparing
Free to start · No forms · No app
Your next role could be one email away.
Say hi and share your LinkedIn. Backdoor finds the founders, writes the notes and follows up. You just say send.
Backdoor