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Hi, I'm Borko

Senior Frontend Developer | Full-Stack Engineer

Ingolstadt, Germany•borko.petrevski@gmail.com•+49 176 641 12766
Download CV (PDF)

Work Experience

Arcalytics — Frontend Engineer | Full-Stack Developer

2025 - Present

Remote

  • Led frontend delivery for a CBRN threat-intelligence platform, turning complex OSINT, geospatial, and analytical data into clear, actionable dashboards and reducing analyst time-to-insight by ~35%.
  • Built streamlined news and event authoring workflows for analysts, reducing the time required to prepare and publish intelligence articles by ~45%.
  • Migrated the operational map from Leaflet/OpenStreetMap to Mapbox GL JS, using GPU-accelerated WebGL vector rendering and data clustering to handle thousands of geospatial records; cut map load and interaction latency by 2x.
  • Built a reusable Tailwind component library that halved the UI implementation effort while mentoring 2 junior developers through code reviews, pairing, and technical guidance.
  • Delivered the product demo used in stakeholder presentations, helping secure a pilot with a leading international nuclear-security organization.

KLAIM AI — Frontend Developer | Contractor, then Full-Time

Mar. 2025 - Feb. 2026

Dubai, UAE (Remote)

  • Designed and launched klaim.ai with stronger SEO, performance, and conversion paths, contributing to ~40% growth in organic traffic, ~35% more qualified inbound leads, and ~20% more demo requests.
  • Designed client portals for healthcare onboarding, KYC, document management, forms, personal data, and AI-assisted document analysis across the UAE, Oman, Saudi Arabia, and the US.
  • Simplified a 10+ document onboarding journey into a progressive multi-step flow with inline validation, document-status tracking, animated processing states, and AI-powered prefill; increased completion by ~30%, reduced time-to-complete by ~40%, and, with the Growth team, lowered drop-off, onboarding-related support escalations, and sales-cycle friction.
  • Migrated the product from React and a custom Ant Design implementation to Next.js and a bespoke Tailwind-based UI library, reducing new feature delivery time by ~35% through reusable components and patterns.
  • Authored design-system guardrails for AI coding agents, codifying component selection, design tokens, and responsive-behavior rules to maintain UI consistency in AI-assisted feature development.
  • Partnered with Growth and Sales to deliver high-fidelity clickable prototypes and A/B-test variants for lead-generation funnels, reducing the experiment cycle from 4 days to under 24 hours and enabling Sales to validate value propositions and close deals before full development. Combined robust product logic and workflow modelling with intuitive, high-impact UX that created a strong "wow factor" for prospective clients.

Upgrade Group — Software Developer

Sep. 2024 - Feb. 2025

Ingolstadt, Germany

  • Delivered responsive, conversion-focused landing pages and web experiences for agency clients, supporting an estimated 20-30% increase in lead-form completion on selected campaigns.
  • Partnered with design and marketing stakeholders to take client work from concept to production, delivering frontend and backend features, API integrations, and production deployments.

Digilence — Independent Full-Stack Developer

2019 - Present

Remote

  • Led end-to-end delivery of SaaS platforms, marketplaces, ecommerce systems, mobile apps, and high-conversion marketing websites - from discovery and UI/UX through launch and ongoing maintenance.
  • Led and mentored 3 developers across parallel client projects, setting implementation standards, reviewing code, and unblocking delivery while maintaining quality.
  • Built reusable design systems and responsive product foundations with Next.js, TypeScript, Tailwind CSS, React Native/Expo, Payload CMS, Convex, and AI/RAG integrations, reducing repeated UI implementation work by ~30%.

Portfolio

Flamingo E-Commerce (flamingo.mk)

A custom e-commerce platform for Flamingo in Macedonia, built with Next.js and Payload CMS. Combines a searchable product catalog, category and price filters, product comparisons, a shopping cart, and checkout with CMS-managed products and orders.

Tech: Next.js, Payload CMS, MongoDB, TypeScript, Tailwind CSS

https://flamingo.mk

Ellia Pharmacy Network (ellia.mk)

Enterprise digital platform for Ellia (formerly Betty Pharmacies), one of Macedonia's largest pharmacy chains. Powered by Payload CMS v3 and Next.js 15, it unifies a multi-lingual marketing portal, interactive pharmacy locator map, careers portal, and an internal B2B product ordering system for pharmacists.

Tech: Next.js, Payload CMS, MongoDB, AWS S3, Tailwind CSS, TypeScript, Resend, Leaflet

https://ellia.mk

Tablanet Card Game

A native, portrait-only iPhone card game for Tablanet built with SwiftUI and Swift Vapor. Features real-time online multiplayer, a custom deterministic rules engine, PostgreSQL persistence, WebSockets, and APNs push notifications.

Tech: SwiftUI, Swift, Vapor, PostgreSQL, Redis, WebSockets, APNs, Next.js

https://tablanet.com

PaperPath AI Life-Admin Assistant

An AI-powered life-admin assistant for people living in Germany. Features automated document OCR, classification, Frist deadline tracking, multi-lingual AI explanations, and an encrypted personal data vault.

Tech: Next.js 16, TypeScript, Tailwind CSS, Shadcn UI, AI/RAG, Turborepo, Zod, Hono


Herb Garden E-Commerce

A sophisticated, multi-lingual e-commerce platform for premium herbal products, featuring state-of-the-art UI/UX design, advanced automation, and a content-rich CMS.

Tech: Next.js, Payload CMS, AWS S3, TypeScript, Resend, Tailwind CSS

https://herbgarden.mk

OPUS Studio (Dashboard)

A salon management dashboard for OPUS, bringing appointments, team calendars, client records, and business insights into one workspace. Clients book through their salon's website, and the team manages bookings in Studio.

Tech: Next.js 16, Convex, TypeScript, Tailwind CSS

https://studio.opus.mk

OPUS Landing Page

The product website for OPUS, a salon booking system that gives businesses their own booking website and a calendar in Studio. Presents the product, features, pricing, and onboarding with a custom visual design and responsive layouts.

Tech: Next.js 16, Design System, Framer Motion, Tailwind CSS

https://opus.mk

Dyonisia Travel

A premium travel agency platform powered by Payload CMS, featuring a high-performance reservation system and real-time content management for a seamless digital experience.

Tech: Next.js, Payload CMS, AWS S3, Tailwind CSS, Framer Motion

https://dyonisiatravel.mk

Tiny Me Baby Store

Premium Macedonian baby store with full-scale e-commerce functionality, custom-built for optimal performance and effortless management.

Tech: Next.js, Payload CMS, AWS S3, Tailwind CSS, Framer Motion

https://tinyme.mk

Baby Nest Boutique

High-performance e-commerce solution for a leading Macedonian baby boutique, featuring advanced product management and a seamless checkout experience.

Tech: Next.js, Payload CMS, AWS S3, Tailwind CSS, Framer Motion

https://babynest.mk

Fadely Mobile App

Mobile app for appointment scheduling. Currently offered as a white-label solution for barbershops and salons.

Tech: React Native, Expo, Convex, Stripe

https://fadely.app

Fadely Dashboard

Dashboard for managing appointments, staff, and clients, seamlessly syncing in real-time with the mobile app.

Tech: Next.js, Convex, Shadcn UI, TypeScript

https://fadely.app

Fadely Onboarding

Fast and engaging onboarding flow designed to reduce friction and drive conversions from the first day.

Tech: Next.js 16, Tailwind CSS, Framer Motion, Convex

https://fadely.app

Fadely Landing Page

Fadely is a sleek and responsive landing page designed for a modern barbershop appointment booking app.

Tech: Next.js, Tailwind CSS, Framer Motion, Shadcn UI

https://fadely.app

Pet Marketplace App

Pet marketplace web application for Macedonia, featuring listing management, search filtering, and real-time chat functionality.

Tech: Next.js, Supabase, Framer Motion, Tailwind CSS

https://petbar.mk

Allurel Couture E-Commerce

Fully functional custom-made e-commerce web app built from scratch with a focus on user experience, custom CMS, and high performance.

Tech: Next.js, Payload CMS, AWS S3, Stripe, Supabase, Framer Motion


ENVIT Company Website

Website for a company that provides environmental consulting services. Integrated headless CMS for easy content management.

Tech: Next.js, Tailwind CSS, Sanity CMS, Framer Motion

https://envit.vercel.app

Education Journey

The foundation of my knowledge and experiences

Self-taught & Projects

Various

In the web development world for 10+ years, staying up to date with the latest trends and technologies.


Augsburg University of Applied Sciences

Computer Science

Studied Computer Science, with a focus on Software Engineering and Application Development.

Let's Connect

I'm always looking for new challenges and opportunities to grow. Let's connect and see how we can make something great together.