Founding Sales Associate at VC Backed Startup (£40-80k OTE)

Job Description

Accelerate your sales career at a startup.

At Jumpstart, we help ambitious salespeople land roles at the UK’s most exciting VC-backed startups and ensure they thrive in their roles.

As a Founding Sales Associate , you’ll join a startup at a critical stage, working directly with the founder and early team to build the first sales motion from the ground up . You’ll have real ownership from day one, learn at founder-speed, and play a visible role in shaping how the business grows.

Why Jumpstart?

Landing a Founding Sales Associate role through Jumpstart means more than just a job offer:

1. Work with high-growth, VC-backed startups - connect directly with the UK’s most exciting startups.
2. Chat directly with founders & sales leads - get fast responses and direct outreach from founders who are actively hiring.
3. 1:1 interview training & support - tailored prep with startup sales leaders so you can go into every interview with confidence.
4. Community & mentorship - join a network of Jumpstart alumni and mentors to help you smash targets and accelerate your career once in role.

What you’ll do:

While the exact role varies by startup, Founding Sales Associate responsibilities typically include:

• Build and own early revenue : prospecting, outreach, qualification, and follow-ups across the full top of the funnel.
• Work directly with the founder to shape messaging, ICPs, pricing assumptions, and early sales playbooks.
• Execute daily while building systems — learning from calls and deals to help create repeatable sales processes and CRM workflows.
• Experiment, learn fast, and adapt — there are no rigid playbooks; your ideas will directly influence how sales is done.
• Play a core role in a startup’s growth , where every new lead, deal, and repeat customer genuinely matters.
• Grow into more senior roles as the company scales.

Is this you?

We’re looking for people who:

• Have 2–4 years of sales experience in tech/startups .
• Are motivated by exceeding targets & can demonstrate how you’ve done this before.
• Are confident speaking with decision-makers and can build rapport quickly.
• Are highly ambitious & looking for a career that gives you real ownership.

Extra points if you’ve:

• Worked in a startup or high-growth environment before.
• Have side hustles, projects or other achievements that show your drive.

The important stuff

• Average base salaries : £40–80K OTE (depending on startup & role seniority).
• Startups : Seed to Series A, with ~50% of roles not advertised elsewhere .

Need convincing? Hear from our alumni.

How it works

1. Apply in under a minute on our website.
2. Short virtual interview with the Jumpstart team.
3. Create your profile & get exclusive access to high-growth startup sales roles.

On average, it takes ~4 weeks to land an offer and you can do the process alongside your current role.

Want to be a Founding Sales Associate at one of the UK’s most exciting startups?

Apply today and we’ll get you in front of the right founders, fast.