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marian_kostr

Marian K

@marian_kostr

FullStack Developer for Telegram Bots, Mini Apps and Dashboards

Oekraïne
Oekraïens, Russisch, Engels
Sommige informatie wordt in het Engels weergegeven.
Over mij
I build full-stack web apps, SaaS MVPs, dashboards, Telegram bots and Mini Apps for real business workflows. I can help with frontend, backend APIs, databases, admin panels, forms, CRM-style tools, automation, integrations, and deployment-ready project structure. My background in Computer Science and programming teaching helps me communicate clearly, explain technical decisions in simple words, and keep projects organized. I focus on clean UI, reliable structure, practical features, and business-ready solutions instead of just writing code.... Lees meer

Skills

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marian_kostr
Marian K
offline • 
Gemiddelde reactietijd: 1 uur

Bekijk mijn diensten

Websites op maat
I will build a full stack saas mvp, admin dashboard, or web app
VanafUS$ 80 / projectMeer informatie
Regelgebaseerd chatbots
I will build a telegram bot or telegram mini app
VanafUS$ 45 / projectMeer informatie

Portfolio

Werkervaring

Freelancer.com

Freelancer.com

Parttime • 4 yrs 5 mos

Programming Teacher

May 2024 - Present • 2 yrs

Programming teacher at ITWay, teaching Python, web development fundamentals, and practical problem solving. This experience strengthened my ability to explain technical decisions clearly, communicate with non-technical people, structure learning materials, and break complex development topics into simple, understandable steps. I also prepare practical coding tasks, review student projects, explain debugging approaches, and help students understand how real development workflows are organized.

Full-Stack Developer

Dec 2023 - Present • 2 yrs 5 mos

Developing full-stack web applications, Telegram Mini Apps, Telegram bots, admin dashboards, CRM-style tools, and business automation systems. My work includes frontend development, backend APIs, database structure, forms, dashboards, authentication, business logic, third-party integrations, Telegram bot workflows, and deployment-ready project structure. I focus on building practical products for real business workflows: lead management systems, internal dashboards, support platforms, finance assistants, booking tools, and MVPs that combine clean UI with usable backend functionality.