Paid Social Specialist

Builder.ai
Summary
Join Builder.ai, a Series-D AI-powered software platform, as a senior paid social specialist to manage multi-channel demand generation across the US, UK, and 20+ other markets. You will own paid social execution end-to-end, from strategy and planning to optimization and reporting. A key responsibility is driving a rigorous performance-creative testing program to lower customer acquisition costs (CAC). The role involves translating ICP/segment briefs into paid social plans, building media mix and budget pacing models, setting up and launching ads, architecting test matrices, analyzing performance data, and presenting insights to leadership. The position is initially part-time (15-25 hours/week) with the potential to become full-time, offering remote work flexibility with overlapping hours with London or the Eastern US. Compensation is hourly or monthly retainer-based.
Requirements
- 3–5+ years B2B paid-social ownership with demonstrable lead-gen revenue impact
- Proven command of £/$100k+ monthly budgets across LinkedIn + Meta (bonus: TikTok, X, Reddit, YouTube)
- Deep understanding of performance-creative science (content hierarchy, hook testing, feed-first design)
- Fluent in conversion tracking (offline events, CAPI, HubSpot/GA4, Salesforce or equivalent)
- Data-driven storyteller—comfortable turning pivot-table insights into clear exec actions
- Strait-edge project management: you hit launch dates, document changes, and escalate blockers fast
- Strong written & verbal comms; able to collaborate async with designers, copywriters, dev, and RevOp
Responsibilities
- Translate ICP/segment briefs into UK & US paid-social plans (LinkedIn, Meta, YouTube, TikTok, Reddit)
- Build media mix & budget pacing models for six-figure monthly spend
- Set up, QA and launch ads, audiences, pixel/conversion APIs
- Own naming taxonomies & UTM governance so data flows cleanly into GA4/HubSpot
- Architect test matrices (hooks, formats, motion vs static, UGC vs brand) and rapidly brief designers / editors
- Analyse thumb-stop %, hold rate and post-click quality to decide winners
- Run daily/weekly bid & budget adjustments, audience refreshes, creative rotations
- Proactively propose “scale tests” (new channels, retargeting logic, offer variants)
- Build Looker Studio dashboards and concise exec read-outs (SQLs, pipeline $, CAC, payback)
- Present insights to VP Growth & Head of People Ops weekly
- Document playbooks, train junior PMMs/SDRs on ad feedback loops, and recommend tooling (e.g., Motion, Reprise, Black Crow)
Preferred Qualifications
- Experience marketing AI / SaaS products to SMB buyers
- ABM or intent-signal retargeting (6sense, Demandbase, RollWorks)
- Experience with motion-graphics briefing or basic editing (Canva, CapCut, Adobe)
- Familiarity with creative-automation platforms (e.g., Pencil, Adcreative.ai)
Benefits
- Private healthcare
- Discretionary variable pay or commission scheme
- Employee stock options
- Generous paid leave
- Trips abroad
- Hours: 15–25 per week to start
- Remote, with at least 4 hours overlap with London or Eastern-US business hours