Senior Growth Marketer

Cside•San Francisco, CA

1d•$120,000 - $150,000•Remote

About The Position

We’re looking to expand our GTM team with a forward thinking full-stack marketer. Owning top of funnel, SEO, GEO, product releases, content and taking initiative on new marketing channels.

Requirements

3+ years driving growth for B2B SaaS (security or developer tooling preferred) with a clear track record of pipeline and revenue impact. Ideally a mix of working at larger companies and smaller companies.
You have experience achieving a lot with little. If you managed millions in ad-spend, that will not impress us here.
Experience with tools like Clay, HubSpot, Email delivery, etc..
Ability to evaluate and adopt new tools to maintain a competitive edge
Analytical to the core and comfortable building dashboards and explaining the "why" behind the numbers
Experimentation mindset; you default to hypothesis → test → iterate and openly share wins and failures
Able to translate complex security concepts into crisp, compelling value propositions for technical buyers
Thrive in zero-to-one environments; biased toward action, embrace ambiguity, and ship fast without cutting corners
Exceptional written and verbal communication skills; you write tight copy and influence cross-functional stakeholders
Genuine passion for web security and belief in cside's mission to protect developers and users
Fully remote capable with at least 4 hours overlap with UK timezone; excited to travel for 2-3 company offsites per year and if interested in-person conferences

Responsibilities

Draft, implement and improve top of funnel strategies. Get leads flowing!
Build, optimize, and scale multi-channel marketing campaigns across LinkedIn, Google, TikTok, Reddit, newsletters, and emerging platforms. SEO, SERP, LLM discoverability, Ads...
Own reporting: develop dashboards, run A/B tests, and translate metrics into actionable insights
Own the tech stack for GTM automation, creating systems that reduce inefficiencies and improve outcomes
Design, run, and analyze iterative growth experiments across the entire funnel: acquisition, activation, retention, and expansion
Automate lead scoring, account prioritization, and personalized outreach to maximize conversion rates
Instrument and maintain our analytics stack (GA4, PostHog, HubSpot, SEMrush, etc.) to provide a single source of truth on performance
Partner with GTM & Product to launch self-serve onboarding flows and product-led virality loops
Build automated lifecycle campaigns (email, in-app, Pylon) that convert free customers to paying, retained customers
Craft technical, value‑first narratives that resonate with security engineers & compliance leads.
Report weekly insights and learnings
Evaluate and unlock new channels to achieve step-change growth