Available to hire
I am an experienced Full Stack and Blockchain Developer with over 9 years of building innovative solutions that enhance project outcomes and functionality. Skilled in blockchain technology, smart contract development, and full-stack engineering, I deliver high-quality results that optimize user experiences. I am proficient in modern programming languages and frameworks, with a strong ability to integrate advanced technologies for efficiency and seamless processes. Passionate about continuous learning and solving complex challenges in the blockchain space and full stack development, I am dedicated to contributing to groundbreaking projects that drive technological advancement.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
English
Advanced
Work Experience
Freelance Blockchain & Full-Stack Developer
January 1, 2024 - PresentDeveloped and deployed custom smart contracts for DeFi lending platforms, staking protocols, and NFT marketplaces, ensuring secure, gas-efficient, and scalable implementations. Conducted rigorous unit and integration testing using Hardhat and Chai to prevent security vulnerabilities. Built and launched a feature-rich NFT minting platform integrating IPFS for decentralized storage, ensuring metadata immutability and long-term accessibility. Implemented dynamic NFT metadata updates enabling artists to modify NFT attributes post-mint based on predefined logic. Conducted smart contract security audits to identify and mitigate reentrancy attacks, integer overflows, and access control vulnerabilities, resulting in a 40% reduction in potential exploits before deployment. Developed and integrated multi-chain interoperability solutions enabling seamless asset transfers between Ethereum, BNB Chain, and Polygon. Utilized Layer 2 scaling solutions (Optimistic Rollups, zk-Rollups) to optimize trans
Blockchain Developer at FREYSOFT
January 1, 2024 - August 5, 2025Designed, developed, and audited smart contracts for DeFi platforms, NFT marketplaces, and DAOs, ensuring secure, gas-efficient, and upgradeable architectures while maintaining full EVM compatibility. Deployed ERC-20 and ERC-721 token contracts handling transactions exceeding $5M+ in total volume and implemented automated liquidity pool mechanisms for a decentralized exchange (DEX). Optimized gas costs in Solidity smart contracts by implementing bitwise operations, storage packing, and function modifiers, reducing average gas fees by 40% on Ethereum mainnet. Integrated Chainlink oracles to enable real-time price feeds and data-driven smart contract executions, ensuring secure on-chain data verification for lending protocols. Engineered staking and rewards mechanisms allowing users to stake governance tokens in a decentralized voting system with APY adjustments based on network participation.
Senior Full Stack Developer at Sigma Software Group
January 1, 2020 - August 5, 2025Led the end-to-end development of a high-traffic web application serving over 1M users, optimizing frontend performance with Next.js server-side rendering (SSR) and reducing page load times by 50%. Architected and implemented scalable microservices infrastructure, migrating from a monolithic system to containerized Node.js services on AWS ECS, improving system reliability and reducing downtime by 40%. Optimized PostgreSQL database queries using indexing and partitioning techniques, improving read/write efficiency by 30% and reducing query execution time from 200ms to 50ms. Designed and developed GraphQL APIs, reducing frontend-over-fetching issues and decreasing API response times by 35%, enhancing overall user experience. Built and maintained CI/CD pipelines using Docker, Kubernetes, and GitHub Actions, automating deployments and cutting release cycles from 2 weeks to just 3 days. Mentored a team of 5 junior developers, conducting code reviews and workshops on React best practices, Ty
Full Stack Developer at Accedia
January 1, 2017 - August 5, 2025Developed a real-time chat application using WebSockets and Node.js, handling 100,000+ concurrent users with latency under 50ms, ensuring a seamless messaging experience. Redesigned the entire frontend architecture with Vue.js and Vuex, improving modularity and enhancing user engagement by 20% through a more intuitive UI. Implemented JWT-based authentication and OAuth2 login integrations (Google, Facebook), enhancing user security and reducing unauthorized access incidents by 60%. Refactored backend services by migrating from REST APIs to GraphQL, reducing over-fetching issues and cutting API response payload size by 40%, leading to faster app performance. Automated DevOps workflows by setting up CI/CD pipelines with Docker and AWS CodePipeline, reducing deployment time from 30 minutes to under 5 minutes. Integrated Redis caching mechanisms for frequently accessed database queries, decreasing load on MongoDB servers and reducing response times from 800ms to 150ms.
Education
Bachelor's degree in Computer Science at Technical University of Denmark
January 1, 2009 - January 1, 2014Qualifications
Industry Experience
Software & Internet, Financial Services, Gaming
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