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- City of residence:
- Kyiv
- Ready to work:
- Remote
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Maksym Sirenko
Junior Technical Support Specialist
Kyiv, Ukraine | [open contact info ](look above in the "contact info" section) | [open contact info ](look above in the "contact info" section) | Telegram | GitHub | LinkedIn | Developer Portfolio
PROFESSIONAL SUMMARY
Entry-level Technical Support Specialist with a web development background and hands-on client-facing
experience. Built and delivered a website for a non-technical client, explained its admin/CMS workflow, and
provided help after handover. Experienced with issue reproduction, Chrome DevTools, REST API requests,
Postman, Git/GitHub, and browser-side troubleshooting. Previous live TV and technical production work
developed calm problem-solving, prioritization, and clear communication under time pressure.
CORE SUPPORT SKILLS
Troubleshooting - issue reproduction, root-cause research, browser errors, routing and configuration issues
Browser & API diagnostics - Chrome DevTools Console/Network, REST API, HTTP methods, JSON,
Postman (GET/POST)
User support - step-by-step explanations, client communication, issue clarification, post-handover assistance
Tools & workflow - Git, GitHub, Jira, Trello, VS Code, npm, Vite
Web fundamentals - HTML5, CSS3, JavaScript, TypeScript, React, Next.js, Node.js basics
SUPPORT & CLIENT EXPERIENCE
Client Website Project - Web Developer / Client Support | Freelance / Individual project
• Communicated directly with the client, clarified requirements, changes, and technical questions throughout
the project.
• Built and delivered the website, then explained its structure, admin/CMS workflow, content updates, and
how changes appear on the live site.
• Provided post-handover help and investigated responsive layout, routing, browser-console, and deployment
issues when they appeared.
• Used Chrome DevTools Console/Network and Postman GET/POST to inspect requests, responses, and
errors while troubleshooting web projects.
5 Kanal - Assistant Sound Engineer | Live TV production | ~1 year
• Prepared and checked audio equipment before live broadcasts and coordinated with the sound engineer
and broadcast team.
• Diagnosed urgent signal, microphone, and equipment problems during live broadcasts, where issues often
had to be found and fixed within seconds.
TECHNICAL PROJECT EXPERIENCE
TravelTrucks - Next.js, React, TypeScript (Individual project)
• Built and deployed a responsive camper-rental application using API data, routing, filters, pagination,
favorites, and a booking flow.
• Investigated browser errors, API responses, and application-state issues during development and
deployment.
Live Demo: Open project | GitHub: View repository
Maksym Sirenko | Technical Support
Auth App - Node.js, Express, MongoDB (Individual project)
• Implemented registration, login, validation, protected routes, JWT authentication, and REST API requests.
• Tested request/response behavior and investigated errors across frontend and backend interactions.
Live Demo: Open project | GitHub: View repository
Leleka App - Next.js, React, TypeScript (Team project)
• Worked with assigned development tasks through GitHub branches, Pull Requests, and shared task
boards.
• Collaborated with teammates on UI components and resolved integration and layout issues in a shared
codebase.
Live Demo: Open project | GitHub: View repository
ADDITIONAL WORK EXPERIENCE
Studio KiT - Freelance Sound Engineer / Project-based collaboration (2008 - present)
• Edit and mix Ukrainian voice-over and dubbing content for individual studio projects.
• Diagnose audio, routing, recording, and software-related issues while maintaining consistent output quality.
• Coordinate with team members in a deadline-driven production workflow.
BOT-UA - Assembly Technician / Warehouse Specialist (Mar 2024 - Mar 2025)
• Assembled CO2 and LED engraving equipment according to technical requirements.
• Later moved into warehouse operations, handling equipment, components, and task priorities accurately.
EDUCATION
GoIT - Fullstack Developer | Mar 2025 - Jan 2026
KNUKiM - Master's degree, Sound Engineering | 2001 - 2007
LANGUAGES
Ukrainian - Native
English - B1 (Intermediate)
Junior Technical Support Specialist
Kyiv, Ukraine | [
PROFESSIONAL SUMMARY
Entry-level Technical Support Specialist with a web development background and hands-on client-facing
experience. Built and delivered a website for a non-technical client, explained its admin/CMS workflow, and
provided help after handover. Experienced with issue reproduction, Chrome DevTools, REST API requests,
Postman, Git/GitHub, and browser-side troubleshooting. Previous live TV and technical production work
developed calm problem-solving, prioritization, and clear communication under time pressure.
CORE SUPPORT SKILLS
Troubleshooting - issue reproduction, root-cause research, browser errors, routing and configuration issues
Browser & API diagnostics - Chrome DevTools Console/Network, REST API, HTTP methods, JSON,
Postman (GET/POST)
User support - step-by-step explanations, client communication, issue clarification, post-handover assistance
Tools & workflow - Git, GitHub, Jira, Trello, VS Code, npm, Vite
Web fundamentals - HTML5, CSS3, JavaScript, TypeScript, React, Next.js, Node.js basics
SUPPORT & CLIENT EXPERIENCE
Client Website Project - Web Developer / Client Support | Freelance / Individual project
• Communicated directly with the client, clarified requirements, changes, and technical questions throughout
the project.
• Built and delivered the website, then explained its structure, admin/CMS workflow, content updates, and
how changes appear on the live site.
• Provided post-handover help and investigated responsive layout, routing, browser-console, and deployment
issues when they appeared.
• Used Chrome DevTools Console/Network and Postman GET/POST to inspect requests, responses, and
errors while troubleshooting web projects.
5 Kanal - Assistant Sound Engineer | Live TV production | ~1 year
• Prepared and checked audio equipment before live broadcasts and coordinated with the sound engineer
and broadcast team.
• Diagnosed urgent signal, microphone, and equipment problems during live broadcasts, where issues often
had to be found and fixed within seconds.
TECHNICAL PROJECT EXPERIENCE
TravelTrucks - Next.js, React, TypeScript (Individual project)
• Built and deployed a responsive camper-rental application using API data, routing, filters, pagination,
favorites, and a booking flow.
• Investigated browser errors, API responses, and application-state issues during development and
deployment.
Live Demo: Open project | GitHub: View repository
Maksym Sirenko | Technical Support
Auth App - Node.js, Express, MongoDB (Individual project)
• Implemented registration, login, validation, protected routes, JWT authentication, and REST API requests.
• Tested request/response behavior and investigated errors across frontend and backend interactions.
Live Demo: Open project | GitHub: View repository
Leleka App - Next.js, React, TypeScript (Team project)
• Worked with assigned development tasks through GitHub branches, Pull Requests, and shared task
boards.
• Collaborated with teammates on UI components and resolved integration and layout issues in a shared
codebase.
Live Demo: Open project | GitHub: View repository
ADDITIONAL WORK EXPERIENCE
Studio KiT - Freelance Sound Engineer / Project-based collaboration (2008 - present)
• Edit and mix Ukrainian voice-over and dubbing content for individual studio projects.
• Diagnose audio, routing, recording, and software-related issues while maintaining consistent output quality.
• Coordinate with team members in a deadline-driven production workflow.
BOT-UA - Assembly Technician / Warehouse Specialist (Mar 2024 - Mar 2025)
• Assembled CO2 and LED engraving equipment according to technical requirements.
• Later moved into warehouse operations, handling equipment, components, and task priorities accurately.
EDUCATION
GoIT - Fullstack Developer | Mar 2025 - Jan 2026
KNUKiM - Master's degree, Sound Engineering | 2001 - 2007
LANGUAGES
Ukrainian - Native
English - B1 (Intermediate)
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The candidate's resume is posted at https://www.work.ua/resumes/19987018/