Growth Marketing Manager, PLG

Semgrep•San Francisco, CA

3d•Hybrid

About The Position

Semgrep is seeking a dedicated PLG Growth Marketer to build and manage a scalable, measurable top-of-funnel engine. This role will focus on turning organic interest into a robust acquisition strategy, owning everything pre-sign-up. The Growth Marketer will develop campaigns, experiments, and content to drive awareness, increase free product sign-ups, and attract developers and security engineers. Working within the Global Campaigns & Growth Marketing team, this individual will collaborate with Product, Lifecycle, and Web teams to align marketing efforts with free product adoption. A crucial aspect of this role involves partnering with Product Growth and Engineering to ensure a smooth handoff of new sign-ups for downstream activation and adoption. The ideal candidate will possess high agency, strong experimentation skills, and a proactive approach to building and testing rapidly.

Requirements

4+ years of experience in growth marketing at a B2B SaaS company with a developer or technical audience.
Hands-on experience running campaigns and experiments focused on driving free product sign-ups or trials.
Deeply data-driven with the ability to instrument a funnel, run tests, and translate results into action.
Strong CRO instincts and experience optimizing landing pages, CTAs, and sign-up flows.
Proficiency in designing tests, avoiding common pitfalls, and learning quickly.
Comfortable owning messaging and content for a technical audience with minimal direction.
Ability to champion a culture of collaboration and accountability, navigating resistance and diverse perspectives into clear, actionable decisions.
Skill in partnering across functions to implement change, balancing empathy with a bias toward execution.
Experience with paid social, paid search, and organic channels targeting developers or security practitioners.
Experience using tools like Marketo, Salesforce, and web analytics platforms for campaign tracking and reporting.

Nice To Haves

Experience at a security, developer tools, or open-source company.
Familiarity with community-led growth motions and the role of open-source communities as a top-of-funnel channel.
Background in conversion rate optimization across landing pages and product sign-up flows.
Experience marketing to both developers and security practitioners, understanding their differing behaviors.

Responsibilities

Develop and execute campaigns across paid, organic, and owned channels to drive awareness and free product sign-ups.
Own campaign strategy and messaging from concept through execution and reporting.
Build mini-campaigns for specific features, use cases, and product moments to drive targeted acquisition.
Own the growth landing page strategy, including building, testing, and optimizing pages for free sign-ups and feature usage.
Run A/B and multivariate tests on landing pages, CTAs, headlines, and page structure to improve conversion rates.
Partner with web and design teams to execute experiments quickly without compromising quality.
Develop and own top-of-funnel messaging tailored to developers and security engineers.
Create and test content across various formats (ads, landing pages, email, organic social) to drive awareness and sign-ups.
Monitor competitor activities to refine positioning and messaging.
Build and maintain a structured experimentation roadmap, including hypotheses, tests, results, and iterations.
Run experiments across acquisition channels, landing pages, CTAs, and campaign messaging.
Document learnings and share them to foster team growth.
Own top-of-funnel reporting, including traffic, sign-up volume, channel performance, and campaign attribution.
Define and track KPIs that link marketing activity to free product growth.
Present performance and learnings to product and marketing leadership regularly.