Antonis Katsonis

eCommerce Operations & Automation.

Building tools where customer ops, payments, and APIs meet.

Trusted by

Worked with great teams.

Telus International logo
Concentrix logo
Zara logo
Unicaf logo
Suitsupply logo
Stripe logo
Telus International logo
Concentrix logo
Zara logo
Unicaf logo
Suitsupply logo
Stripe logo
Telus International logo
Concentrix logo
Zara logo
Unicaf logo
Suitsupply logo
Stripe logo

About Me

A short introduction.

Antonis Katsonis

Antonis Katsonis

Amsterdam, NL

eCommerce Operations & Automation

Turning ops problems into shipped tools.

I build internal tools and API automations at the intersection of customer operations, payments, and product, shipping platforms with TypeScript, Next.js, and Supabase that make ops teams faster. Currently at Suitsupply, leading chargeback defense and MAO operations.

€100K+Recovered Disputes
5+Tools built
6+Years in Ops & CX

Experience

Amsterdam

Customer Service Specialist — Suitsupply

Supporting global customers across chat, email, and phone, handling returns, payments, VAT invoices, chargebacks, and logistics through Salesforce while contributing to MAO configuration and collaborating with stores and warehouses to maintain strong KPIs and operational efficiency.

Barcelona

Customer Support / Fashion Advisor — Concentrix (Zara Home)

Provided solution-focused support via email and chat, resolving customer issues efficiently while maintaining high CSAT through strong product knowledge and clear communication.

Cyprus

Marketing Officer — Unicaf

Executed international marketing campaigns, optimised landing pages with UTM tracking, and delivered email marketing and CRM workflows using Brevo and Elastic Email.

Ireland

Customer Service Operations Specialist — TELUS International (Stripe)

Supported Stripe-based payment operations, handling transactions, refunds, disputes, and account investigations while translating technical issues into clear customer guidance.

Amsterdam

Guest Experience — Andaz Prinsengracht (Hyatt)

Delivered high-touch guest experiences in a five-star hospitality environment, strengthening communication, problem-solving, and customer empathy under pressure.

Southampton

Marketing Assistant — Social Impact Lab (Home/Grown SO14)

Supported digital presence and events, managed website and social media content, and contributed to SEO and organisational research.

Education

United Kingdom

BSc Business Management — University of Southampton

Focus on marketing, leadership, and innovation; developed strong analytical and strategic skills.

Cyprus

High School Diploma — Aradippou Lyceum

Specialised in Marketing, Physics, and Computer Applications with distinction.

Portfolio

Selected work.

A curated selection of projects that blend strategy, creativity, and structure. Each one reflects how I approach marketing as both an art and a system — built on insight, collaboration, and innovation.

Strategy & Craft

Content Marketing & Copywriting

Where visuals, words, and strategy work together to tell the right story

Explore
Campaigns & CRM

Email Marketing & Campaign Strategy

Where precision and creativity meet performance

Explore
Analytics

Data & Insights

Turning numbers into strategy

Explore
Engineering

Web Applications, Wikis and Digital Systems

Building full-stack web applications, digital workflow systems, and Notion wikis with modern technologies

Explore
AI & Innovation

AI Labs

Experiments and prototypes exploring how AI can amplify creativity, ops, and product

Explore

Skills

The toolkit.

A blend of creative, analytical, and human-focused abilities shaped by experience across marketing, service, and digital innovation.

Discipline

Marketing Strategy

Salesforce logo

CRM Platform

Salesforce

Search

SEO

Insights

Analytics

Notion logo

Docs & Wikis

Notion

Brevo logo

Email Platform

Brevo

Email Platform

Elastic Email

Canva logo

Design

Canva

Photoshop logo

Design

Photoshop

WordPress logo

CMS

WordPress

Figma logo

Design

Figma

HubSpot logo

Marketing CRM

HubSpot

Google Analytics logo

Web Analytics

Google Analytics

Automation

AI Tools

Operations

Workflow Design

Postman logo

API Testing

Postman

Linear logo

Project Mgmt

Linear

Jira logo

Project Mgmt

Jira

Cursor logo

Code Editor

Cursor

BigQuery logo

Data Warehouse

BigQuery