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Igor Kostenevich

Crafting robust digital solutions for 6+ years

Full-Stack Web DeveloperBuilding Scalable, Efficient Apps

Behind the Code.
Who I Am?

Igor Kostenevich photo

I am a Full-Stack Web Developer with extensive experience in building scalable, high-performance applications. My expertise covers the entire development lifecycle—from crafting intuitive user interfaces to designing robust backend architectures.

I specialize in real-time applications, data visualization, and complex dashboards, working with businesses to turn their ideas into fully functional and optimized digital solutions. My development process is streamlined with AI-powered tools like GitHub Copilot, allowing me to write cleaner, more efficient code while accelerating project delivery.

Leveraging modern frameworks, cloud solutions, and automation, I ensure every project is built for speed, scalability, and maintainability—delivering not just code, but business-driven results. 🚀

Main stack that i use

Frontend

  • Vue.js
  • Vuex
  • Pinia
  • Vue-router
  • Composition API
  • Nuxt.js
  • TypeScript
  • JavaScript
  • Vitest
  • Jest
  • Cypress
  • Vite
  • Gulp
  • Webpack
  • Figma
  • Tailwind
  • Bootstrap
  • Vuetify
  • SASS
  • Ionic
  • PWA
  • Three.js
  • GSAP

Backend

  • Node.js
  • Nest.js
  • Express.js
  • MongoDB
  • MySQL
  • PostgreSQL
  • Redis
  • TypeORM
  • Mongoose
  • Prisma
  • AWS
  • Docker
  • CI/CD
  • Github Actions
  • Firebase
  • Supabase
  • Vercel
  • WebSocket
  • Rest API
  • GraphQL
  • nginx
  • digitalocean

AI & ML

  • Github Copilot
  • GPT-4.5
  • Gemini
  • Whisper
  • TTS
  • DALL·E

REAL PROJECTS, REAL IMPACT

From MVPs to fully scaled apps—explore the projects that showcase my expertise in creating impactful digital products.

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  • Nuxt 3
  • TailwindCSS
  • TypeScript
  • Nodemailer
  • DigitalOcean
  • Nginx
  • PM2
  • Swiper

Acceptic – Corporate Website with Server-Side Form Handling and SSR Deployment

Modern Nuxt 3 corporate website with integrated form endpoints, deployed to DigitalOcean with Nginx and PM2.

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  • Vue 3
  • Vite
  • TailwindCSS
  • TypeScript
  • Pinia
  • Headless UI
  • Heroicons
  • Vue I18n
  • Chart.js
  • amCharts 5
  • js-cookie
  • Express.js

Poweria – Energy Analytics and Monitoring Platform

Web application for energy data visualization, real-time monitoring, user roles and dynamic dashboards.

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  • Vue 3
  • Vite
  • TailwindCSS
  • Vue Google Maps
  • Chart.js
  • Vue I18n

PV Designer – Application for Designing Photovoltaic Installations

Advanced tool for planning and visualizing PV installations with automated layout, calculations, and offer generation.

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  • Vue 3
  • Vite
  • Inertia.js
  • TailwindCSS
  • Cypress
  • FullCalendar
  • Tiptap Editor
  • Vue Chart.js
  • Frappe Gantt
  • Vue Final Modal
  • Vue I18n
  • Leaflet
  • Moment.js

Brick CRM – Project & Workflow Management for Architects and Builders

A modern CRM platform with calendar, kanban board, workload tracking, file system, ticketing, and drawing layouts.

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  • Nuxt 2
  • TailwindCSS
  • GSAP
  • Swiper
  • BugSnag
  • LightGallery.js
  • Vue-i18n
  • Vee-Validate
  • Google Maps
  • reCAPTCHA
  • Custom CMS

Custom CMS Platform – Scalable Website System for Automotive and Service Brands

A Nuxt.js-based CMS platform used to build branded websites dealerships, service booking, and recipe content, etc

From Pixels to Production

I deliver end-to-end web solutions that let you focus on growing your vision. From intuitive frontends to robust backends, I handle every detail for a seamless digital experience.

frontend

Frontend Development

I craft visually engaging, responsive UIs with Vue/Nuxt—supporting SSR, SPA, and PWA. Each solution is built for performance and a smooth user experience.

backend

Backend Development

I build scalable server-side applications using Node/NestJS, ensuring robust performance and secure APIs. Data flows seamlessly with well-structured database integrations.

fullstack

Full-Stack Solutions

I combine NestJS, robust database setups, and secure authentication to deliver end-to-end applications. The result: scalable, integrated software tailored to your needs.

data-visualization

Data Visualization

I create interactive data visualizations using amCharts, D3.js and Three.js. These engaging, informative graphics help users understand complex data and make informed decisions.

optimization-refactoring

Optimization & Refactoring

I optimize existing codebases for performance and scalability, refactoring to improve maintainability and readability. The result: faster, more efficient software.

integration

Integration & Deployment

I integrate third-party services and APIs to extend your software’s functionality. I also handle deployment, ensuring your application is live and accessible to users.

Testimonials

Words That Count

Genuine feedback from clients I’ve partnered with, showcasing the real results and seamless collaboration my approach provides. Discover how we tackle challenges together to achieve exceptional outcomes.

Ihor did an excellent job on this Vue.js project. His communication was clear, he met deadlines, and his front-end skills were impressive. He was responsive to feedback and proactive in solving challenges. I’d gladly work with him again!

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Severyn Nalyvayko
CTO, TMSys Sp. z o.o.

It was a pleasure to work with you! And I believe we could cooperate in future as well!

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Slaine Willey
Product Owner, Edge Opti Tech LTD

Ihor played a crucial role in upgrading our Vue.js and Vuetify framework from version 2 to 3. His technical expertise streamlined our UI and significantly enhanced performance. He's highly professional and a great communicator. Highly recommended!

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Raquel Rodrigues
CTO, Eucalyptus Labs Inc

Great quality of work!

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Dmitri Plugari
SEO, Mango studio

It was a pleasure to work with you! You have ideal soft skills! And I believe we could cooperate in future as well!

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Yevhen Saienko
SEO, WebMagic

Ihor did a great job helping us revamp our website. Very good knowledge of Vue and always responsive.

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Benjamin Rika
Tech Lead, Rika NettMarketing GmbH

Let’s build your project together

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