ccharles

Senior Software Engineer

Senior Software Engineer with 7+ years in full-stack development, excelling in fast-paced startups by

adapting quickly, wearing multiple hats, and solving complex problems. Skilled in React, Node.js,

TypeScript, and AWS, with expertise in scalable web apps, SaaS platforms, and high-performance UIs.

Specialized in Solana blockchain and Web3, delivering end-to-end fintech and SaaS solutions.



Experience: 7 years

Yearly salary: $170,000

Hourly rate: $150

Nationality: 🇺🇸 United States

Residency: 🇺🇸 United States


Experience

Technical Architect – Full-Time Contractor
Coll3ctibles (Indie-Pop)
2022 - 2023
Built a Solana-based NFT and collectibles reward platform from the ground up, developing a full-stack Web3 platform (React, Next.js, Node.js). Developed an admin system for managing collections, and a custom CMS, enabling real-time on-chain cNFT updates, airdrops, new collection creation, and access to key data metrics. Launched 8 NFT collection drops, processing over 16,223 NFT sales and driving a $2.5M market cap for the Catalina Whale Mixer collection. Integrated Crossmint for custodial wallet management and credit card payments. Added multiple Solana wallet options for Web3 users, streamlining payments and improving onboarding for 21,890+ users. Led infrastructure scaling on AWS (EC2, S3, Lambda, CloudFront) to handle high-traffic NFT drops with minimal downtime. Automated deployment workflows with Heroku and GitHub Actions, optimizing CI/CD pipelines. Collaborated with top-tier NFT projects and blockchain partners, securing key strategic partnerships to expand adoption.
Freelance Blockchain Developer – Part-Time Contractor
Solana Ecosystem
2022 - 2022
Developed multiple scalable SaaS self-managed applications for NFT collection creators on Solana, providing enhanced utility for their NFTs. Designed and implemented an admin and content management system using a headless CMS (prismic), allowing creators to fully manage applications without developer intervention. Integrated NFT collection gating, utilizing custom tokens and on-chain payments to facilitate seamless access control. Partnered with Magic Eden to deliver utilities such as staking, raffles, roulette wheels, token creation, and airdrops for newly launched NFT collections. Hired and managed developers, overseeing project development, execution, and delivery to ensure high-quality output.
Software Engineer
Dispense First
2021 - 2022
Led front-end architecture for a cannabis dispensary POS system, migrating from a legacy stack to Vue.js and Node.js for improved performance. Built and optimized APIs for real-time transactions and inventory management, ensuring compliance with state cannabis regulations. Integrated e-commerce with the POS, enabling dispensaries to sync sales and boost revenue. Streamlined high-volume transactions, improving checkout speed and reliability for operations.
Senior Software Engineer
West Monroe Partners
2019 - 2021
Led the front-end architecture for a $2M cloud migration project, integrating Microsoft 365 and earning the ‘Best Intranet of 2020’ award. Worked on Coinbase’s beta NFT marketplace, implementing payment flows, collection owner dashboards, and on-chain metadata updates. Built and optimized enterprise web apps using React.js, Node.js, Redux, and Express, ensuring performance and scalability. Developed new marketplace features in React, Next.js, Web3.js, and XState, improving user experience and blockchain interactions. Led and mentored a small team, reviewing PRs, pairing on tough bugs, and running React training sessions for new hires. Set up DevOps processes for 30+ repositories, automating security updates using Azure DevOps, GitHub, CodeQL, and Dependabot. Worked closely with clients and PMs in an Agile setup, participating in sprint planning, demos, and retros to keep projects on track.
Software Engineer
West Monroe Partners
2019 - 2021
Developed enterprise web applications using React.js, Node.js, Redux, and Express. Built and optimized front-end components for clients boosting engagement and efficiency. Designed RESTful APIs to support seamless data exchange between microservices. Collaborated with UX designers and product teams to enhance the user experience.

Skills

aws
nestjs
node
python
react
solana
typescript
web3
front-end
english