Arjun Adhikari - Full Stack Developer & Blockchain Enthusiast

Hi, I'm Arjun Adhikari, an experienced Full Stack Developer specializing in blockchain technology, mobile development, and web applications. With expertise in React, Nest.js, MongoDB, AWS, and Solidity, I am passionate about building scalable solutions that drive innovation and create positive change.

I have worked on various projects, ranging from decentralized systems to mobile apps and e-commerce platforms, while ensuring high performance, security, and usability. I’m committed to staying at the forefront of emerging technologies and delivering high-quality, efficient solutions.

🔧 Skills & Technologies

• Programming Languages: JavaScript / TypeScript, Solidity, Postgres SQL, MongoDB
• Frameworks & Libraries: React, Angular, Nest.js, Next.js, GraphQL, Hardhat, Prisma
• Blockchain: Ethereum, Smart Contracts, Web3.js, Solidity, IPFS, Chainlink Oracles
• Cloud & DevOps: AWS (Lambda, S3, Cognito, Amplify, DynamoDB), Docker, CI/CD (GitHub Actions)
• Tools: Jest, Puppeteer, Stripe, PayPal, Fastify, Swagger, Prisma
• Mobile Development: Ionic, Capacitor, React Native
• UI/UX: TailwindCSS, Bootstrap, ApexCharts, Chart.js, React Hook Form

💼 Experience

Full Stack Developer

Rumsan Associate — Kathmandu, Nepal | 08/2023 - Present (Remote)

• Spearheaded the transition of Plastic Bank's mobile app from Ionic 3 to Ionic 7, enhancing cross-platform functionality with native OS features like camera, maps, and geo-location.
• Implemented multilingual support for Cameroon, Egypt, Indonesia, and the Philippines, significantly improving accessibility.
• Developed backend APIs with NestJS and Prisma, optimized database operations, and ensured scalability using S3 and Fastify.
• Engineered the Plastic Bank Web App using Next.js, TailwindCSS, and React Hook Form, integrating Stripe and PayPal for international transactions in multiple currencies.
• Managed Agile Scrum processes with Jira and Confluence for efficient project delivery.

Software Engineer

Codekavya — Pokhara, Nepal | 07/2021 - 08/2023

• Led the Party Management System project, digitizing Nepal's political party data using AWS services (Lambda, Cognito, DynamoDB, S3) and serverless architecture.
• Improved operational efficiency by 30% for clients through the design and development of a custom ORM (Operation Management System) solution.
• Developed responsive websites for hospitals and consultancies, optimizing user experience and engagement.

Freelancer

01/2021 - Present

• Built an online shopping site using React, MongoDB, and Mongoose, with a photo verification system and a multi-role user access control.
• Created an e-commerce price comparison tool for platforms like Daraz, Sastodeal, and Hamrobazar, enhancing price transparency for users.

📚 Education

Bachelor in Software Engineering
Pokhara University — Pokhara, Nepal
11/2019 - 11/2024 (expected)

🚀 Projects

Plastic Bank Mobile App

Technologies: Ionic, Capacitor, i18next, Zustand, GCash, Gojek

• Developed a cross-platform offline-first mobile app integrating native OS features such as camera, maps, and geo-location.
• Implemented multilingual support for regions including Cameroon, Egypt, Indonesia, and the Philippines.

Plastic Bank Web App

Technologies: Next.js, Tailwind, Stripe, PayPal, Chart.js

• Integrated Stripe and PayPal for multi-currency payments (IDR, PHP, AUD, CAD, NZD, EUR).
• Designed a custom checkout flow and enhanced user experience for international users and small businesses.

Flood Insurance System

Technologies: Solidity, Hardhat, Web3.js, IPFS, React

• Architecting a decentralized platform for parametric insurance models for flood events.
• Implementing smart contracts on the Ethereum blockchain and utilizing IPFS for decentralized storage and data integrity.

Party Management System

Technologies: React, AWS Lambda, AWS Amplify, DynamoDB, Electron

• Led the development of a serverless application to manage political party data in Nepal, integrating offline-first capabilities with AWS AppSync.

Plastic Bank Impact Hub

Technologies: Angular, PowerBI, ApexCharts, GitHub Actions

• Built a responsive design with optimized performance for global partners, providing real-time data visualizations and actionable insights.

Independent Projects

• Alchemy NFT Indexer: Fixed a bug to ensure proper display of ERC-721 tokens and their metadata.
• Auto IPO CLI Tool: Developed a tool to automatically ap