Jack helps you find roles at companies like Radical Health. | Jack & Jill

Ready to land your next role?

Career coaching worth $300/hour, job matching across 15 million roles, direct introductions to hiring managers. Completely free.

Learn about Jack

Learn about Jill

No credit card required · See jobs in 10 minutes

Jack helps you find roles at companies like Radical Health. | Jack & Jill

Everything you need
to land your next job

New matches

just now

Principal Engineer

93%

Payments Infra · Remote · $320–400k

High-reliability systems

Head of Engineering

96%

Series B Healthtech · London · £160–220k

Scaling eng orgs 10–40

Engineering Lead

91%

AI Safety · SF · $300–380k

ML infra + team leadership

Staff Engineer

94%

Frontend Platform · Remote · $280–350k

Next.js + edge infra

Senior Backend Engineer

98%

Digital Banking · London · £130–180k

Distributed systems + fintech

Job Search On Autopilot

Jack gets to know you through a conversation and searches 15 million jobs daily. You tell Jack yes or no, and he gets smarter about what you’re looking for with each response.

0:00

Jack

Tell me about a technical migration you led under time pressure.

0:02

I led a six-week migration of 40 services in three phases. We aligned stakeholders early and shipped two days ahead with zero downtime.

Confidence score

Strong: Clear structure, specific metrics

Improve: Add stakeholder conflict detail

Mock Interviews

Run a mock interview with Jack and get specific feedback on your stories, clarity, and answers to the hard questions. You’ll walk in with a tighter narrative and fewer surprises.

Salary Benchmark

Market 50th$155k

Your target$105k

Market 90th$220k

Base

$155k

Equity

$40k

Bonus

$15k

Based on Senior Engineer roles in London, Series A-B startups.

Salary Benchmarking

Jack shows you what ‘good’ looks like for your role, level, and location based on thousands of real jobs to inform your negotiation.

0:00

Jack

I’ve been a senior engineer for 3 years. Should I push for Staff or move into management?

That’s the right question to ask at this stage.

Let’s compare both paths: compensation, day-to-day work, and long-term fit.

First, what energised you more this year: technical problem-solving or people leadership?

Career Clarity Coaching

Jack helps you get clear on what you want next, what you’re great at, and what kind of work will actually fulfil you. In one coaching call, you’ll shape your career plan with Jack’s help.

0:00

Jack

Call Ended0:00

Employer

“We can offer $128,000 base salary.”

Jack

Below P50. Counter at $148k: they’ve run 4 rounds, they won’t walk.

You said

$148,000

Accepted

+$20,000

Salary Negotiation Coaching

Jack helps you build a negotiation plan with data and specific language you can use. Know when to push, what to ask for, and how to respond without damaging the relationship.

Introduction

Jack

Jack made an introduction

Marcus, CTO at Acme, wants to chat about the Founding Engineer role. He liked your distributed systems experience.

Founding Engineer$180–240kLondon

Accept Introduction

Skipped applicationDirect to CTO2 day process

Introductions to Hiring Managers

When Jack finds a match in Jill’s network, he introduces you directly to the hiring manager. No applications. No waiting. Warm introductions to people who already want to meet you.

The numbers.

Professionals working with Jack

15M

Jobs scanned every day

30hrs

Saved on average vs traditional job searching

FAQs