Case Study

How a Marketing Engineer keeps SpeedX on schedule

SpeedX had one person leading marketing for two brands. GrowthPair paired the team with Lyn, a Marketing Engineer who builds with Claude and no-code tools. Now SpeedX posts on a steady cadence.
Client
SpeedX
Vertical
Logistics
Monthly Rate
$3,467
Staff Type
Marketing Engineer
A SpeedX delivery van on a city street

Background

SpeedX is a last-mile delivery carrier. It connects ecommerce shippers to their customers with next-day and 2-day delivery, and its network covers more than 12,000 U.S. zip codes.

SpeedX sells to other businesses: retailers, marketplaces, DTC brands, and 3PLs. Its marketing runs on LinkedIn, trade shows, and events.

In spring 2026, one person led marketing for SpeedX and its sister company, AGS Logistics: Anthony Pizza, VP Business Growth & Innovation. He ran it alongside the rest of his job, with no dedicated marketing team.

The challenge

Three problems stood out:

  1. One person led marketing for two brands, on top of sales and client work
  2. There was no content calendar and no system behind the marketing
  3. LinkedIn posting had slowed down

The brand guidelines and Canva templates already existed. SpeedX needed someone to build the system around them: a content calendar, a repeatable process, and automation behind it. Anthony also wanted that person to have an eye for design, because everything SpeedX publishes has to look right.

The GrowthPair solution

GrowthPair paired SpeedX with Lyn, a Marketing Engineer based in the Philippines. She has 5 years of experience in email automation, funnel optimization, and workflow design, and she builds with Claude and Lovable. For an earlier client, she built an AI-powered coaching tool with those two tools.

Like every GrowthPair hire, she was vetted by marketers before SpeedX ever met her: a resume review, an interview with a working marketer, a proctored Marketing Engineer assessment, and C1 English testing. Her scores:

100%
AI workflow
100%
no-code building
90%
marketing automation
90%
campaign strategy

Anthony interviewed Lyn on May 14, 2026 and picked her the same day. Her range tipped it: design and social media, sales funnels and landing pages, automations and AI. She started six days later, on May 20.

SpeedX and Lyn so far
May 14, 2026
Anthony interviews Lyn
He picks her the same day
May 20, 2026
Lyn starts
The brief: build the content system from the ground up
November 2026
Nearly six months in
SpeedX posts on a steady cadence

Her brief from day one was to build SpeedX’s marketing system from the ground up, starting with a content calendar and strategy for both brands. SpeedX set her up on its marketing stack: Claude, Lovable, Canva, and Figma.

Anthony has since stepped back from day-to-day marketing. Lyn now works with SpeedX’s brand team, including Emily Yi, Brand Specialist, who works with her most closely.

“Lyn mainly supports our social media channel and content development. She helps create visuals and captions, maintain our posting schedule, and support the day-to-day execution of social content.”
Emily Yi
Emily Yi
Brand Specialist at SpeedX

Emily works on brand at SpeedX and is a USC Marshall School of Business alum. Of everyone on the team, she works most closely with Lyn.

Day to day, Lyn:

  • Runs the posting schedule that keeps SpeedX’s content going out on time
  • Produces the visuals and captions for each post
  • Tracks how each type of content performs
  • Recommends changes to format and posting approach based on what she sees

She measures what works

Marketing Engineers build something, measure it, and improve it. Lyn runs SpeedX’s content the same way. She tracks how each type of post performs and brings recommendations back to the team.

“She also pays attention to how different types of content perform and shares recommendations around things like content format, posting approach, and what may work better with the algorithm.”

Asked where Lyn stands out, Emily pointed to how she works.

“What stands out most to me is that she’s very responsible and thoughtful with her work. She takes feedback seriously, pays attention to details, and is willing to make adjustments when needed.”

Results

SpeedX didn’t share numbers for this story, so there’s no chart here. Here’s what Emily sees:

  • Content that goes out more consistently
  • Execution that moves along more smoothly
  • More flexibility to test different ideas
  • A regular posting cadence the team can keep up with
  • Recommendations on format and posting approach, based on what performs
“Her support has helped us stay more consistent with social content and move execution along more smoothly. It also gives us more flexibility to test different ideas and keep up with the regular posting cadence.”
“She’s also very easy to work with and communicate with, which makes the day-to-day process much smoother.”

What it costs SpeedX

SpeedX pays $3,467 a month for its marketing engineer, all-in. A U.S. marketing engineer costs about $16,100 a month once you add benefits, before recruiting fees. Here’s the gap over time.

In 1 year, SpeedX saves about $151,200 on this one hire
U.S. marketing engineer, with benefits$192,900
Lyn through GrowthPair, all-in$41,600

U.S. figure: a $135,000 base salary, the low end of the band Profound posts for its own marketing engineer role (October 2026), plus benefits at 30% of total pay (Bureau of Labor Statistics, June 2026), about $16,100 a month. GrowthPair figure: SpeedX's all-in monthly rate, which covers payroll, talent stipends, paid holidays, and the replacement guarantee.

Advice from Emily

“Based on my experience working with Lyn, she’s been reliable, responsive, and easy to work with. She’s been a helpful support on the visual, caption, and social execution side, and she does a good job staying on top of the day-to-day work. Having that kind of consistent support has been valuable for our team.”

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