Senior Growth Engineer (Fullstack)

TL;DR

Senior Growth Engineer (Fullstack): Building and optimizing high-velocity marketplace experiments and conversion-focused front-end experiences with an accent on data-driven iteration and Google Ads performance. Focus on owning the full experiment loop, automating campaign management, and shipping lightweight tooling to improve care-seeking outcomes.

Location: Must be based in or able to commute to London, UK (Hybrid: 2 days/week in office)

Salary: £75,000 – £95,000

Company

hirify.global is a fast-growing HealthTech startup building a SaaS-enabled marketplace to transform the eldercare sector.

What you will do

• Run end-to-end experiments across the marketplace, from ideation to implementation and analysis.
• Build and optimize conversion-focused front-end experiences.
• Write code to integrate performance data with Google Ads to improve targeting efficiency.
• Automate Google Ads configuration and campaign management workflows.
• Own A/B test pipelines and iterate rapidly based on real-time usage data.
• Work autonomously within a lean, fast-paced team.

Requirements

• 5+ years of software engineering experience with a strong front-end focus and full-stack breadth.
• Proven ability to think in experiments and articulate the impact of your work.
• Comfortable with rapid prototyping and throwaway work when tests fail.
• Autonomous, low-dependency mindset with a focus on data-driven decision-making.
• Experience or strong interest in leveraging AI tools like Claude Code.
• Must be based in or able to commute to London, UK.

Culture & Benefits

• Generous EMI share option package.
• 26 days of holiday plus bank holidays.
• Hybrid office policy with a collaborative team environment.
• Mission-driven work in a high-impact, fast-growing HealthTech startup.
• Excellent compensation and benefits package.

Hiring process

• Intro call with Talent Lead (20 min, remote).
• Engineering Manager interview (45 min, remote).
• Technical assessment: two 1-hour coding pairing sessions (remote).
• Behavioural interview with Hiring Manager (45 min, remote).
• Final interview with Co-Founder & CEO (30 min, in-person in London).