Senior Growth Media Buyer

Job Title: Senior Growth Media Buyer
Location: Remote
Employment Type: Full-time
Working Hours: 9:00 AM – 5:00 PM PST (Monday–Friday)
Industry: Digital Marketing / Paid Media / E-commerce

About Us
Mint Source is a remote-first bridge that connects vibrant talent with international clients and agencies, enabling skilled individuals to showcase their expertise on a global stage.

Role Overview
Mint Source is hiring a Senior Growth Media Buyer for a boutique paid ads agency in the digital marketing and e-commerce space. This senior-level role centers on Meta advertising, with full ownership of strategy, execution, and scaling across high-budget, performance-focused accounts. You’ll partner closely with creatives and analytics teams, deliver clear client-facing insights, and explore secondary channels like TikTok, YouTube, and Google Ads as needed. You’ll report into Paid Media leadership and contribute to team development by mentoring junior media buyers. Staying current on platform trends and algorithm shifts will be essential to success. If you thrive in a fast-moving, high-accountability environment and love turning data into growth, this role is for you.

What You’ll Do

Lead Meta ad strategy and execution across the full funnel: prospecting, retargeting, and retention

Apply growth marketing frameworks to test offers, angles, audiences, and creative variations

Optimize campaigns daily to hit CAC, ROAS, MER, and LTV targets

Collaborate with creative teams to brief, test, and iterate winning ad concepts

Work with analytics teams to interpret performance data and inform strategy

Stay informed on Meta platform updates, algorithm shifts, and paid media best practices

Expand into TikTok, YouTube, and Google Ads to support additional growth

Present clear insights and performance summaries in bi-weekly client calls and written reports

Mentor junior media buyers on campaign management and testing best practices

Use Asana and Slack to manage tasks and maintain campaign visibility

Leverage tools like Triple Whale, Motion, GA4, Google Sheets, and PowerPoint for tracking, analysis, and reporting

What We’re Looking For

4–6+ years of media buying experience, with expert-level knowledge of Meta Ads

Proven ability to profitably manage and scale $500k+ in monthly ad spend

Strong grasp of growth marketing principles, funnel strategy, and creative testing

Experience with TikTok Ads, Google Ads, YouTube, and X Ads for cross-channel expansion

Proficient with tracking and attribution tools including Triple Whale, Motion, GA4

Excellent communicator — polished, professional, and confident in client-facing settings

Analytical mindset with the ability to turn metrics into actionable strategy

Comfortable managing multiple accounts, shifting priorities, and mentoring junior team members

Availability to work standard business hours (9:00 AM – 5:00 PM PST)

Key Performance Metrics (KPIs)

95%+ campaign QA accuracy, tracked through internal reviews

2–4 optimizations or creative tests launched weekly with measurable impact

Insight-driven reporting delivered consistently via agency-standard templates

Achievement of CAC, ROAS, MER, and LTV goals across assigned accounts

Demonstrated testing rigor and iteration leading to scalable performance

Timely, clear performance insights delivered during bi-weekly client updates

What You Get

A fully remote role at a senior-only, boutique performance agency

$2,500–$3,000 USD monthly salary, depending on experience

International contracting support via Mint Source’s EOR (Employer of Record) model

Direct impact on growth for leading DTC and e-commerce brands

Clear KPIs, structured feedback, and space to lead your accounts end-to-end

A culture of high standards, ownership, and accountability

Access to top-tier tools including Triple Whale, Motion, GA4, PowerPoint, and more

Paid time off and opportunities to grow into strategy, team leadership, or client ownership roles