Fullstack-udvikler

CaskMark LTD is a UK-based startup building an asset verification platform for the whiskey cask marketplace. The product focuses on secure ownership tracking, multi-party verification, and production-ready compliance for a regulated, high-value asset domain.

• Conducted a comprehensive audit of a Next.js 14 application built with AI-assisted development, validating architecture, code quality, and production readiness.

• Reviewed and hardened Supabase authentication flows, Row-Level Security (RLS) policies, and role-based access control to ensure data integrity and security.

• Tested and validated core workflows including onboarding, asset registration, multi-party verification, ownership transfers, and subscriptions.

• Identified and resolved performance issues (e.g., inefficient queries, potential N+1 patterns) and patched security vulnerabilities and race conditions.

• Improved UI/UX consistency across devices and browsers, ensuring responsive behavior and visual stability.

• Collaborated closely with the founder to refactor AI-generated logic, document findings, and implement prioritized improvements.

Onlined is a digital agency preparing the launch of an omnichannel messaging platform that integrates multiple third-party communication channels. The project emphasizes pixel-perfect UI, scalability, and seamless API integrations.

• Translated detailed Figma designs into responsive, pixel-accurate React components with a strong focus on usability and visual fidelity.

• Implemented component-based architecture and state management using Redux and modern React patterns.

• Integrated frontend components with backend APIs, ensuring reliable data flows and predictable UI behavior.

• Added unit and UI tests using Jest and React Testing Library to improve stability and regression coverage.

• Ensured cross-browser compatibility and responsive layouts using Tailwind and modern CSS practices.

• Collaborated with backend developers and designers to align implementation with the design system and technical specifications.

• Led the redevelopment of the client’s outdated frontend, delivering a new mobile-first, reactive platform built with React.js and TypeScript;

• Integrated Mapbox for advanced geolocation features, supporting real-time ship-to-port energy mapping;

• Implemented AWS Cognito and OAuth2 for secure authentication and user access management;

• Designed an MVP web application as the foundation for an upcoming React Native mobile app;

• Collaborated with backend engineers to integrate APIs and Postgres, ensuring seamless data flow and scalability;

• Optimized system performance and usability through responsive design and modular component architecture;

• Maintained and updated the legacy website as a secondary task while transitioning users to the modernized platform.

• Fungerede som Frontend Lead Developer og stod i spidsen for udviklingen af et banebrydende React-projekt i et team på 15 fagfolk;
• Fokuseret på at opbygge et omfattende Co-Working booking- og reservationssystem og levere den første version inden for et år;
• Sikret, at systemet fungerer problemfrit, og understøtter i øjeblikket co-working spaces i Ubud, Bali;
• Samarbejde med og yde support til backend-teamet efter behov for at sikre problemfri integration og funktionalitet på tværs af platformen.

• Ledede den frontend-tunge fullstack-udvikling af en e-handelsløsning på tværs af platforme, der var skræddersyet til det amerikanske marked;
• Leverede en problemfri brugeroplevelse med leveringssporing i realtid og lokationsbaseret shopping, der optimerede den lokale levering gennem et crowdsourcet netværk;
• Har stået i spidsen for API-integrationer for at forbedre systemfunktioner og strømline processer;
• Var mentor for juniorudviklere og gav vejledning om bedste praksis og teknisk vækst;
• Har haft ansvar for hele udviklingen, herunder DevOps-operationer til implementering, overvågning og opretholdelse af systemstabilitet.

• Har alene styret og leveret frontend-udvikling af en React-baseret cloud-indkøbsplatform;
• Lede alle aspekter af vedligeholdelse, funktionsudvikling og løbende forbedringer og sikre en hurtig og problemfri integrationsoplevelse;
• Gjorde det muligt for platformen at betjene adskillige råvaresælgere på det tyske marked, hvilket reducerede indkøbsomkostningerne og optimerede indkøbsprocesserne.

• Implementeret lokationsbaseret målretning for at hjælpe virksomheder med at øge kundernes interesse, brandloyalitet og fysiske butiksbesøg gennem mobil interaktion;
• Udviklede sammen med sit team en smart algoritme til at analysere potentielle kunders interesser og give personlige produkt- og serviceanbefalinger;
• Øget trafik i butikken ved at opfordre kunderne til at forvandle fodtrafik til salg, hvilket giver højere konverteringsrater.