Empower Connections with Cold Email Innovation.

Empower Connections with Cold Email Innovation.

Empower Connections with Cold Email Innovation.

Empower Connections with Cold Email Innovation.

Welcome to Sensei, revolutionizing business communication through

advanced Cold Email SAAS solutions.

Welcome to Sensei, revolutionizing business communication through

advanced Cold Email SAAS solutions.

Welcome to Sensei, revolutionizing business communication through

advanced Cold Email SAAS solutions.

Welcome to Sensei, revolutionizing business communication through

advanced Cold Email SAAS solutions.

2k+

Global employees

78%

Download total range

50K+

Companies using

100K+

Active users

Boost rep productivity, maximize revenue.

Boost rep productivity, maximize revenue.

Boost rep productivity, maximize revenue.

Creating an effective cold email outreach strategy takes continuous optimization. Our cold email experts help so you can do more deals.

Creating an effective cold email outreach strategy takes continuous optimization. Our cold email experts help so you can do more deals.

Creating an effective cold email outreach strategy takes continuous optimization. Our cold email experts help so you can do more deals.

All clients in one place

Have all your clients under one roof and shift between client profiles with just one click. Invite as many co-workers as you need to get the job done.

Easily scale campaigns

Ready to send more volume? Just add an inbox (or five) to your existing campaign and we’ll start sending the same campaign from multiple inboxes.

A cold email drip campaign is an easy method to implement

A cold email drip campaign is an easy method to implement

A cold email drip campaign is an easy method to implement

With infinite email sending accounts and warmup, a b2b lead database, and generative AI, your outreach efforts can be instantly scaled.

With infinite email sending accounts and warmup, a b2b lead database, and generative AI, your outreach efforts can be instantly scaled.

With infinite email sending accounts and warmup, a b2b lead database, and generative AI, your outreach efforts can be instantly scaled.

Select the audience

Create manually, use a contact form, or import bulk prospects using CSV or using Google Drive spreadsheets. Maximize of your workflow by automatically importing.

Select the audience

Create manually, use a contact form, or import bulk prospects using CSV or using Google Drive spreadsheets. Maximize of your workflow by automatically importing.

Select the audience

Create manually, use a contact form, or import bulk prospects using CSV or using Google Drive spreadsheets. Maximize of your workflow by automatically importing.

Select the audience

Create manually, use a contact form, or import bulk prospects using CSV or using Google Drive spreadsheets. Maximize of your workflow by automatically importing.

Write unique message

Maximize your open & reply rate making every email stand with a personalization. Create your own attributes/merge tag & Add variations with A/B Testing.

Write unique message

Maximize your open & reply rate making every email stand with a personalization. Create your own attributes/merge tag & Add variations with A/B Testing.

Write unique message

Maximize your open & reply rate making every email stand with a personalization. Create your own attributes/merge tag & Add variations with A/B Testing.

Write unique message

Maximize your open & reply rate making every email stand with a personalization. Create your own attributes/merge tag & Add variations with A/B Testing.

Turn on automation

Wake up each day to find leads, directly in your inbox, by building a predictable pipeline. We take prospects who replied automatically out of the campaign.

Turn on automation

Wake up each day to find leads, directly in your inbox, by building a predictable pipeline. We take prospects who replied automatically out of the campaign.

Turn on automation

Wake up each day to find leads, directly in your inbox, by building a predictable pipeline. We take prospects who replied automatically out of the campaign.

Turn on automation

Wake up each day to find leads, directly in your inbox, by building a predictable pipeline. We take prospects who replied automatically out of the campaign.

Mailfy is loved by thousands of users

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    2x Google Software Engineer Intern

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    CS Student

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    Software Engineer Interviewer

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    Tomas Santos

    Software Engineer Intern @ EY

    “My favorite part is the feedback section; it is extremely detailed.”

  • Ahmed Hossain

    2x Google Software Engineer Intern

    “Seems to tailor its questions towards its understanding of the user.”

    Aleika Chery

    CS Student

    “Headstarter taught me how to think like a software engineer and provided me the resources I need to improve my programming skills and make myself more desirable to hiring managers.”

  • Northeastern Junior

    Stuyvesant '22

    "Looks revolutionary. Feels like an interviewer is giving you live feedback."

    Nicole Sosa

    NYU

    "Pushed me outside of my comfort zone in a positive way."

  • Jenny

    MIT

    "I needed community and accountability."

    Aayana Evanson

    NYU

    "Helped me go over some algorithm skills that I needed to brush up on."

Take the first step today

Your 6-figure SWE job is closer than you think.

Take the first step today

Your 6-figure SWE job is closer than you think.

Take the first step today

Your 6-figure SWE job is closer than you think.

Take the first step today

Your 6-figure SWE job is closer than you think.

Headstarter is creating the best place to learn and get good at algorithms and interviews.

© Copyright 2024, All Rights Reserved by Headstarter

Headstarter is creating the best place to learn and get good at algorithms and interviews.

© Copyright 2024, All Rights Reserved by Headstarter

Headstarter is creating the best place to learn and get good at algorithms and interviews.

© Copyright 2024, All Rights Reserved by Headstarter

Headstarter is creating the best place to learn and get good at algorithms and interviews.

© Copyright 2024, All Rights Reserved by Headstarter