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Growth Marketing Manager (B2B Performance Focus) at Synthflow AI. Remote Location: Berlin. Synthflow AI is a . no-code platform for deploying voice AI agents . that automate phone calls across contact center operations and business process outsourcing (BPO) at scale. We help mid-market and enterprise companies manage routine calls to save teams time and resources. . Our agents have already delivered measurable impact:. Over . 5 million hours. of contact center operations saved. 35% more calls . answered compared to non-AI operators. 45 million calls handled with a . 99.9% uptime. Backed by . Accel, Atlantic Labs, and Singular. and trusted by over 1,000 customers, our growth leads an industry shift toward sophisticated and accessible conversational AI.. About the Role. We’re looking for a hands-on . Growth Marketing Manager. with a performance-first mindset and deep experience across B2B growth channels. This is not a lifecycle or brand marketing role: it’s about building repeatable growth engines, experimenting with tactical GTM levers, and driving measurable pipeline.. You’ll be instrumental in designing and executing growth programs that scale our go-to-market motion within the US. You know how to test fast, scale what works, and ruthlessly prioritize what moves the needle.. Responsibilities. Run high-performing campaigns across LinkedIn, Google, Meta, and other paid channels . Optimize campaign ROI with sharp attribution models and full-funnel insights . Design and iterate on lead capture flows using HubSpot, forms, and tracking tools . Drive experiments across referral, partner, and outbound-driven tactics . Identify and unlock scalable acquisition loops and growth engines . Develop hypotheses, A/B tests, and metrics tracking to validate ideas . Build BD-style partnerships and support product partnerships (nice to have) . Support analyst outreach (Gartner, Forrester) to strengthen market credibility (nice to have) . Lead with a US-first mindset and GTM targeting strategy aligned with US buyer behavior. Requirements. 3+ years of experience in performance marketing, especially across LinkedIn and Google . Strong track record in B2B marketing with proven pipeline and revenue impact . Deep understanding of Sales-Led Growth strategy and execution . Hands-on experience with HubSpot, attribution modeling, and lead capture flows . Strong analytical skills and experimentation rigor . Startup-stage comfort: Series A/B experience, scrappy and proactive . Excellent collaboration and communication across marketing, sales, and product. Nice to Have. Experience with growth partnerships or BD . Exposure to analyst relations and ecosystem marketing . Familiarity with referral programs or outbound experimentation . US GTM experience, especially in high ACV ($200K+) sales. What We're Not Looking For. Lifecycle marketers focused only on CRM/email . Corporate managers without hands-on experience . PLG-only profiles with no sales motion exposure . Freelancers looking to convert to full-time . Shallow performance marketers without experimentation depth. Location. This role is a hybrid from Berlin (preferred), London, or New York. Founded in Berlin in 2023 by serial entrepreneurs Albert Astabatsyan, Hakob Astabatsyan, and Sassun Mirzakhan-Saky, Synthflow AI democratizes access to advanced voice AI with a no-code platform that lets . enterprises easily create, deploy and scale. natural-sounding, cost-effective voice agents tailored to their business needs.