Antonis Katsonis
eCommerce Operations & Automation.
Building tools where customer ops, payments, and APIs meet.
Trusted by
Worked with great teams.
About Me
A short introduction.

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.
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.
Content Marketing & Copywriting
Where visuals, words, and strategy work together to tell the right story
Email Marketing & Campaign Strategy
Where precision and creativity meet performance
Web Applications, Wikis and Digital Systems
Building full-stack web applications, digital workflow systems, and Notion wikis with modern technologies
AI Labs
Experiments and prototypes exploring how AI can amplify creativity, ops, and product
Skills
The toolkit.
A blend of creative, analytical, and human-focused abilities shaped by experience across marketing, service, and digital innovation.
Discipline
Marketing Strategy
CRM Platform
Salesforce
Search
SEO
Insights
Analytics
Docs & Wikis
Notion
Email Platform
Brevo
Email Platform
Elastic Email
Design
Canva
Design
Photoshop
CMS
WordPress
Design
Figma
Marketing CRM
HubSpot
Web Analytics
Google Analytics
Automation
AI Tools
Operations
Workflow Design
API Testing
Postman
Project Mgmt
Linear
Project Mgmt
Jira
Code Editor
Cursor
Data Warehouse
BigQuery