GAIN Performance - Senior Creative Strategist
Hybrid/Remote: Hybrid – Based in Barcelona
GAIN is a creative‐led, insight‐driven company that blends data, tech and creativity. We believe the best ideas emerge where intelligence and creativity unite, where insight sparks imagination, and where innovation turns possibility into progress. We are explorers of new frontiers, shaping bold strategies that move people, brands, and businesses forward. As a united force, we use data to fuel creativity and technology to unlock new possibilities, engineering innovation to transform information into action and ideas into breakthroughs.
Senior Creative Strategist leading performance‐driven creative strategy across the paid media client portfolio. You will dig deep into creative performance data (Conversion Rate, Thumbstop Rate, Hold Rate, etc.) Conduct deep‐dive creative analysis using key performance metrics such as Conversion Rate, CTR, Hook Rate, Thumbstop Rate, and Hold Rate to identify patterns and unlock new opportunities.
Lead strategic direction of creative testing, iterations, and messaging across platforms (Meta, TikTok, YouTube, etc.).
Stay on top of creative trends and platform shifts—bringing culturally relevant, performance‐led insights into the ideation process.
Oversee and improve the feedback loop between performance data, creative execution, and future iterations.
Creative Testing & Optimization
Design and oversee a structured creative testing roadmap—ensuring continuous learning, iteration, and evolution based on results.
Track and document all creative tests—maintaining clear visibility into what has been tested, what is working, and what needs iteration.
Be accountable for creating a virtuous cycle between strategy, execution, and data‐driven learning, ensuring feedback informs future creative at every stage.




Partner with media buyers to align testing priorities with performance goals and spend distribution.
Act as a strategic partner to clients—leading discussions around creative performance and ensuring our work drives tangible business growth.
Confidently lead client calls, creative reviews, and performance debriefs—communicating complex data in a clear, compelling way.
Review and QA creative assets to ensure they meet performance goals, adhere to brand standards, and are platform‐optimised.
4+ years in creative strategy or performance‐driven content creation, ideally within paid media or digital marketing.
~ Strong grasp of performance metrics beyond the surface level—can translate data into strategic insights and creative direction.
~ Proven ability to lead client conversations, push strategic thinking, and confidently manage multiple senior stakeholders.
~ Deep familiarity with Meta Ads Manager and creative performance analytics.
~ Skilled at writing high‐impact creative briefs and guiding execution across design, UGC, and post‐production.
~ Platform expertise across Meta, TikTok, YouTube, and emerging ad platforms.
~ Experience managing or working alongside UGC creators and freelance partners is a strong plus.

Private Medical Insurance
Discounts and deals on a range of items from hotels, holidays and hormone testing to cinema, gyms and will writing.
45‐minute first interview with a senior team member.
~ GAIN is an equal‐opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.
We never request any form of payment or fees from candidates at any stage of the recruitment process. If you are contacted by anyone claiming to represent our company and asking for money or personal financial details, please report it immediately to All genuine communications will come from the GAIN website.
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📌 Brand & Creative Strategist (Barcelona)
🏢 GAIN
📍 Barcelona