Emil Harjula
Email:-WhatsApp: +1 -
LinkedIn: https://www.linkedin.com/in/emil-harjula-b818b5362/
Telegram: @kdrilling Address: 401 Panama City, FL 32405, USA
GitHub: https://github.com/crypto1014
Full stack developer
Dynamic Full Stack and Blockchain Developer with over 6 years of experience in React, Next.js, Python and
NodeJS developing Web3 Dapp and fintech systems. Passionate about crafting user-friendly interfaces and
optimizing performance. Contributed to increasing user participation and satisfaction through smart and userfriendly UI/UX design. Proficient in using React, Vue.js, Svelte, Node.js and Django, Ruby on Rails frameworks and
has extensive experience building and deploying web applications on the AWS, Digital Ocean.
Also, I have rich experience and deep knowledge in EVM based chains and Solana chain. Participated in
several blockchain projects like ICO (Initial Coin Offering) launchpad, and DEX (Decentralized Exchange)
integration, Smart contract development using hardhat frameworks for EVM chains and Anchor frameworks for
Solana.
Flexible communication skills with technical and non-technical colleagues and strong technical problemsolving skills.
PROFESSIONAL EXPERIENCE
KittenHaimer AI (Remote)
Sr.Full stack developer
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Successfully completed the development of Kitten Haimer, delivering high-quality software solutions
within tight deadlines.
Built a user-friendly interface using React and Tailwind CSS and adopted a mobile first design to improve
user experience.
Applied various techniques such as image compression, lazy loading and code splitting to ensure page
loading time of less than 1s and improved user experience.
Set up a strong CI/CD pipeline using Docker, Terraform and GitHub Actions, while integrating ESLint,
Prettier and Jest.
Collaborated effectively with cross-functional teams, achieving a 95% customer satisfaction rate.
Optimized SEO and performance metrics through strategies like schema markup and image
optimization, and managed RESTful API and GraphQL integrations using tools like Google Analytics and
PageSpeed Insights, resulting in a 25% increase in site visibility and traffic.
Increase the community with over 1600 members and make some products like Telegram Bots using
Telegram Bot API
Xion Finance (UK)
Frontend & Web3 Developer
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November 2023 – Present
March 2020 - August 2023
Participated in the development of Solana based De-Fi platform with wallet integrations using Solana
Web3.js.
Developed a safe and reliable platform by implementing security best practices, such as implementing a
strong CSP header and implementing Authentication and Authorization using Auth0 in Okta.
Achieved Search Engine Optimization was by developing a frontend by implementing Next.js' SSR logic
and built a backend with strong security capabilities using Django and Ruby on Rails.
Worked in wallet connectivity features including MetaMask and Phantom, to support multiple blockchain
networks, using Solana libraries like @solana/spl-token, @solana/web3.js and so on.
Conducted blockchain data analysis and integrated token price trackers via third-party APIs such as Coin
Gecko API and Coin Market Cap API to provide real-time market data and enhance user engagement.
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Designed and executed a robust job queue system using BullMQ to automate critical tasks such as
information collection(scrapping), database backups, and sitemap generation.
Reduced data retrieval time by server-side caching using Redis.
Increased code review speed by 15% and improved code readability, by defining a code writing style and
strictly following it.
Improved user experience and provided more powerful services by using web scraping and algolia
search engines to analyze, display and filter product information posted on e-commerce platforms.
Constructed Polyglot Database using PostgreSQL and MongoDB and as a result, optimized the database
for various data types and improved performance.
Sentient Bean (Houston)
Junior Full stack | Mobile developer
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December 2018 - April 2020
Built the E-Commerce Platform using React and Node.js.
Ensured responsible design and mobile-first principles using Tailwind CSS to ensure cross device and
cross-browser compatibility.
Constructed a modern front-end web portal using React, Redux-Saga, and ES2016 with a build system
using Webpack and Babel.
Implemented accessibility standards to ensure that E-Commerce applications were usable by individuals
with disabilities.
Managed databases using MongoDB and PostgreSQL, ensuring data integrity and capability through
schema design and indexing strategies.
Enhanced interactive prototypes and mockups for health insurance applications using tools such as
Sketch, Figma, or Adobe XD.
Skills
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Frontend Development: React.js, Angular, Vue.js, HTML5/CSS3, JavaScript (ES6+), TypeScript, Sass,
Tailwind CSS, Bootstrap 5, MUI
Backend Development: Node.js, Express.js, RESTful APIs, GraphQL, Firebase,
Database: MongoDB, PostgreSQL, Supabase, Redis
Mobile Development: React Native, Swift, Flutter, Android Studio, Xcode
E-Commerce Platforms: Shopify, WordPress (WooCommerce), Magento, BigCommerce
Web3 Technologies: Web3.js, Ether.js, Wallet Integration
State Management: Redux, MobX, Vuex, Context API
Performance Optimization: Lazy Loading, Code Splitting, Lighthouse, Webpack
Version Control: Git, GitHub, GitLab
DevOps: Docker, Jenkins, AWS Amplify, Jenkins, Vercel, Netlify
Collaboration: Agile, Scrum, Kanban, Jira, Trello, Confluence
Testing: Jest, Cypress, Enzyme, Playwright
Additional Tools: WebStorm, Visual Studio Code, Prettier, ESLint
Education
Florida Southern College
Bachelor’s Degree in Computer Science
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