The Performance Campaign Manager will execute and optimize paid media campaigns in the Web3 space, focusing on performance marketing across various channels while ensuring communication with internal stakeholders.
Who is Serotonin
Serotonin is the top go to market firm for transformative technologies, specializing in marketing, strategy, recruiting, and legal services. With a global team of 90 across 15 countries, Serotonin has supported over 300 clients in consumer tech, web3 infrastructure, digital assets, venture capital, and AI since its launch in 2020. Delivering end-to-end go-to-market solutions across all major marketing channels—including public relations, growth marketing, on-chain analytics, content, research, social, and design—Serotonin accelerates global innovation. At the core of our business is the Serotonin Platform, serving as a central nucleus for the web3 ecosystem, connecting builders and founders with essential resources to drive business growth.
About the Role
Serotonin is seeking an experienced Contract Performance Campaign Manager to support our Growth team on an hourly basis. You’ll work directly with our Growth Marketing Manager and VP of Growth Marketing to execute paid media campaigns that drive measurable results for clients in the Web3 space. This is a highly tactical role focused on day-to-day campaign execution, monitoring, and optimization across performance channels (e.g., Google, Meta, Twitter, Reddit, LinkedIn). Ideal candidates are detail-oriented operators who can quickly implement changes, troubleshoot performance issues, and clearly communicate the rationale behind optimizations through regular reporting and documentation. While strategic input is welcome, this role is execution-first. You’ll be expected to follow growth plans, hit performance benchmarks, and maintain strong communication with internal stakeholders. This is a remote, hourly contractor position. You’ll have the opportunity to work across a portfolio of both emerging and established Web3 clients, contributing directly to campaign results and growth experiments.
Responsibilities
- Execute and optimize performance marketing campaigns for select clients across channels like Google, Meta, Twitter, LinkedIn, and Reddit.
- Support the Growth Marketing Manager in implementing and maintaining active marketing initiatives, ensuring timely execution and performance alignment.
- Contribute to demand generation efforts, providing regular updates on progress, milestones, and results to internal stakeholders.
- Work cross-functionally with Client Services and VP of Growth to help apply consistent growth marketing practices across clients.
- Set up and manage campaign KPIs, tracking performance against goals using analytics platforms
- Translate client OKRs into actionable campaign setups, ensuring alignment between strategy and execution.
- Deliver clear documentation of optimizations, including rationale and impact of changes made (optimization logs, performance memos, etc.).
- Communicate key performance insights and blockers as needed.
- Maintain awareness of performance marketing best practices from other tech and product teams to help inform campaign execution.
Requirements
- 3–5 years of experience in growth marketing or marketing analytics, preferably in a performance-driven environment.
- Proven track record of executing growth deliverables across multiple channels and audience types.
- Strong hands-on experience with key growth and analytics tools, including:
- Google Analytics, Google Tag Manager, Segment
- Google Ads, Facebook Ads Manager, Twitter Ads
- SEMrush, Ahrefs
- Hubspot, Mailchimp
- Asana or similar project management tools
- Experience managing programmatic advertising campaigns and optimizing them toward client-specific OKRs.
- Exceptional communication skills—verbal, written, and analytical—with the ability to explain complex results or tradeoffs clearly.
- Tactical mindset with a “strategy-second” approach; this role supports day-to-day execution and optimization above all else.
- Quick learner with a strong grasp of technical concepts, marketing products, and new platforms.
- Ability to manage multiple projects or client accounts simultaneously with strong organizational and prioritization skills.
- Comfortable working in fast-paced, collaborative environments with distributed global teams.
- Experience working in or with a performance marketing agency is strongly preferred.
Benefits
- Competitive Salary
- Remote Work Environment
Top Skills
Ahrefs
Asana
Facebook Ads Manager
Google Ads
Google Analytics
Google Tag Manager
Hubspot
Mailchimp
Segment
Semrush
Twitter Ads
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