Ecommerce Trading Manager (TikTok)

Somerce Open · verified Sep 10, 2026

On-site London Manchester Full-time Manager Ecommerce Marketing

Mid-level Ecommerce Marketing role at Somerce. London · full-time.

Role brief

Growth Roles summary, based on the employer's posting.

What you'll do

You'll manage a portfolio of TikTok Shop brands and lead client strategy, performance, and delivery
You'll turn commercial goals into growth plans plus weekly and monthly trading actions
You'll run trading calendars and merchandising across products, bundles, pricing, and promotions
You'll direct affiliate activity with creators, then improve output against trading and margin goals
You'll track results, forecast GMV, lead client reviews, and use evidence to guide decisions

What you bring

Proven experience in e-commerce trading, merchandising, or online retail
Knowledge of conversion improvement, AOV growth, promotions, product lifecycles, and bundles
Confidence working with performance data and GMV targets
Commercial judgment and strong communication with clients and internal teams

Who this fits

You’ll suit a fast-moving, high-ownership environment where you’re expected to challenge ideas, optimise performance, and take responsibility. The role is based in London, with the listing also describing hybrid working and flexible hours. TikTok Shop, marketplace, social commerce, or beauty, fashion, lifestyle, and FMCG experience would strengthen your fit

From the employer

About Somerce

Somerce is a TikTok Shop specialist agency focused on driving GMV growth for brands. We work with some of the fastest-growing beauty, fashion, lifestyle and FMCG brands in the UK, US and EU, managing everything from live commerce and affiliates to paid media and trading strategy. You’ll act as the strategic lead for your clients while staying close to the numbers day-to-day.

Our clients include: P.Louise, Unilever, Huel & L'Oreal

What you will do

Client & Strategy Ownership

Own a portfolio of e-commerce brands on TikTok Shop
Act as the main point of contact while leading strategy, performance and delivery
Build clear, commercially grounded TikTok Shop growth plans
Translate business goals into weekly and monthly trading actions

E-commerce Trading & Merchandising

Own trading calendars aligned to promotions, launches and key retail moments
Lead product merchandising strategy across:

Product selection
Bundling
Pricing
Promotions and incentives

Continuously optimise AOV, conversion rate and GMV
Identify underperforming SKUs and opportunities to scale winners

Affiliate Strategy

Own the affiliate strategy for your client portfolio
Define how affiliates are used to drive GMV
Work closely with creators to:

Set creator priorities
Shape product focus
Align offers and incentives

Build and refine creator trading strategies around:

Deal-led moments
Always-on content
Live and campaign support

Analyse affiliate performance and continuously optimise output
Ensure affiliate activity aligns with overall trading and margin goals

Performance & Reporting

Monitor daily, weekly and monthly performance metrics
Lead performance reviews with clients, backed by clear insights and actions
Forecast GMV and trading performance
Use data over opinions to inform decisions

How You’ll Work

Fast-paced, high-ownership environment
Minimal bureaucracy, maximum accountability
You’re expected to challenge, suggest, optimise and lead
This is a role for someone who enjoys responsibility and impact

Requirements

What We’re Looking For

Essential

Proven experience in e-commerce trading, merchandising or online retail
Strong understanding of:

Conversion rate optimisation
AOV growth
Promotional mechanics
Product lifecycle management
Creation of bundles

Comfortable working with performance data and GMV targets
Commercially minded and confident making decisions
Strong communication skills with both internal teams and clients

Desirable

Experience with TikTok Shop, marketplaces or social commerce
Background in beauty, fashion, lifestyle or FMCG e-commerce

Benefits

Core Benefits

Competitive salary, benchmarked to experience and performance
Performance-related bonus / commission aligned to commercial impact
28 days holiday + bank holidays
Hybrid working with offices in London and Manchester
Flexible working hours – we care about output, not clock-watching

Growth & Career Development

Clear progression paths with responsibility early
Regular performance reviews focused on development and impact
Direct exposure to high-growth brands across the UK, US and EU
Opportunity to work at the cutting edge of TikTok Shop and social commerce

Financial & Lifestyle Perks

Company pension scheme
Monthly wellness allowance (gym, fitness, mental wellbeing or similar)
Team socials and events throughout the year
Staff discounts across our brands and partners

Work Environment

Fast-paced, high-ownership culture
Minimal bureaucracy and maximum accountability
Surrounded by people who care about performance, creativity and doing things properly
A business that wins with its clients, shared success matters

The Somerce Difference

We trust our people
We move quickly and back good ideas
You’ll have real influence, not just responsibility
If you perform, you’ll grow, simple as that

This role is a feeder role for our Account Management roles. Salaries range between £35k and £60k based on experience.