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Denis Sefer

Intern @ becode
Brussels, Belgium

Junior IT Support Technician skilled in diagnosing hardware, software, and network issues and delivering quick, user-focused solutions. Eager to keep operations seamless while continuously growing with new support tools and challenges.

Top roles

Helpdesk / Support< 2 years

Miscellaneous

Operating systems
Robotic Process Automation
ITIL

Systems

Hardware

Network/Telecom

Network

Back-end

Jenkins
Language
Native Czech
Czech
Native
Swedish
Fluent
English
Good
French
Average
Dutch
Average
Work experience
Since 2019
Intern @ becode
01 September 2024 - 01 March 2025

Developed and user-tested full-stack features with HTML, CSS, JavaScript, React, and Node.js; collaborated with support to reproduce and fix customer issues; documented solutions in concise how-to guides; and tracked all work in Git and Jira within an agile, ITIL-aligned workflow.

Sales Advisor & Customer Support @ Macedonian Telecom
01 October 2020 - 01 March 2022

Delivered front-line sales and customer support for mobile, internet, and TV services; consistently surpassed monthly targets, resolved tickets end-to-end in the CRM, and coached new hires on products and care procedures.

Customer Support @ Macedonian Telecom
01 September 2019 - 01 October 2020

Provided Tier-1 technical assistance for broadband and mobile users, achieving high first-call resolution and CSAT scores while escalating complex faults with clear diagnostics for quicker Tier-2 closure.

Education experience
Since 2016
PR Marketing @ St. Cyril and Methodius University Faculty of Law Justinian First - Skopje
01 January 2018 - 01 January 2021
Economics Technician @ High school of Economics SUGS Arseni Jovkov Skopje
01 January 2016 - 01 January 2018
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