Senior Product Marketer

About c/side:

c/side is laser focussed on solving web security, starting with browser side injections. Covering previously unmonitored attack surfaces in developer and user friendly ways.

The team of c/side are a diverse mix of highly capable subject matter experts. We’re kind but we mean business.

Since January 2024, c/side has raised $ 7.7 million in funding from Uncork Capital, Mantis Ventures, Scribble Ventures, Roar VC, Dan Scheinman, Jason Warner, Kathy Korevec and many more. A team of handpicked, high value add investors invested in helping our company and team grow. In H1 2025 we found nearly 380.000 websites with client-side attacks. We find high profile attacks regularly.

About the role:
A product marketeer at c/side owns the marketing strategy, tone of voice, messaging and initiatives that help us bring c/side to the market. This role requires in depth understanding of our product space and the wider security industry

You would be the DRI of or brand awareness, product releases. Making sure we make the most our of any market opportunity. Pushing content on subjects that are current like attacks we find, online trends or even planned press released like our Wired, Techcrunch and other industry press articles.

What you will do:

• Tell a differentiated story about client-side security and client-side indicators of fraud.

• Lead our content strategy in alignment with keywords and metrics to make us lead the category.

• Build content for our various channels; blogposts, newsletters, social media, podcast, press releases, website copy... Get the message out!

• React fast: when there's an attack, or sudden event in our space be the driver of the breaking news.

• Work together with our Performance Marketeer to make our content boost the top of funnel.

• Plan and manage our editorial calendar, make content engine run smoothly.

• Use tools like SemRush and tools within our analytics stack to gather intelligence on what resonated and improve our message over time.

• Partner with GTM & Product to launch new products.

• Craft technical, value‑first narratives that resonate with security engineers & compliance leads - SERP.

• Report weekly insights and learnings

About you:

• 3+ years driving content for B2B SaaS (security or developer tooling preferred) with a clear track record of pipeline and revenue impact

• Experience with tools like SemRush, Posthog, Google Analytics etc..

• Ability to evaluate and adopt new tools to maintain a competitive edge

• Creative, happy to think outside of the box to make us stand out!

• Autonomous: You'll own your domain and define how we grow

• Able to translate complex security concepts into crisp, compelling value propositions for technical buyers

• You know how to tell a story. Cyber security incidents can be really interesting if presented in the right way.

• Thrive in zero-to-one environments; biased towards 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 c/side's mission to protect developers and users

• Fully remote; excited to travel for 2-3 company offsites per year and if interested, in person conferences

At c/side:

• We’re constantly learning and developing better, we grow together

• We do not ship half projects, we do not sell snake oil, we don’t cut corners - out of respect for our team, our customers and our community. We put a dent in the universe by building good products

• Transparency and integrity above all

C/side offers:

• 2-3 Offsites per year (this changes from time to time)

• Generous work from home allowance

• Latest Macbook

• Stock options

• Market rate salary

• Take what you need PTO

• Fully remote

• Our team is invested in your long term career development. If you want to talk at events, we’ll make that happen, if you want to learn how to build your own startup one day, we’ll offer you a front line seat. C/side is built by folks like you.

We’re building a world class security company, and we simply want the best people for the job. We do not select or discriminate based on formal educational background, age, skin tone, religion, national origin, sexual orientation, gender identity, disability status, marital status, veteran status… we’re welcoming all and celebrate equal opportunities.