Senior Full Stack Developer

Architected and maintained climate asset tracking dashboards using Next.js and Tailwind on the frontend, and Python - Django with PostgreSQL on the backend, supporting seamless carbon credit tokenization workflows. Boosted platform speed by 35% through SSR optimizations, lazy-loaded modules, and CDN-based asset delivery, enabling real-time updates across marketplace listings. Developed a smart contract interaction layer using Web3.js to verify and display tokenized environmental impact data, integrating blockchain transparency into user-facing components. Automated climate project verification by integrating third-party APIs (e.g., Verra, Gold Standard), reducing manual reporting overhead by 60%. Established CI/CD pipelines via GitHub Actions and Vercel, cutting deployment time in half and allowing safe multi-env releases for staging and production. Implemented user analytics and behavior tracking with Mixpanel and PostHog to optimize onboarding flow and drive 20% growth in recurring project submissions. Collaborated cross-functionally to launch carbon offset purchasing features, enabling seamless Stripe payments and digital certificate generation via PDFKit.

Engineered web and mobile tools for managing offline marketing campaigns, using React Native for field agent apps and React with TypeScript for the advertiser dashboard. Streamlined real-time campaign tracking via WebSockets and background sync, supporting over 50K daily location-based events across 5 countries. Built robust backend services in Node.js and Express with MongoDB and Redis, improving lead processing time by 40% and enhancing campaign ROI analysis. Designed custom role-based dashboards for advertisers, agencies, and field operators with dynamic metrics, integrated with D3.js visualizations. Automated campaign reporting workflows by integrating Zapier, Slack, and Google Sheets, reducing manual coordination time by over 60%. Enhanced data integrity and reporting accuracy through Elasticsearch integration and geofencing validation, resulting in a 30% drop in reporting discrepancies. Implemented comprehensive auth and permission layers using Firebase Auth and JWT, supporting secure multi-tenant access with audit logging. Spearheaded QA automation using Cypress and Jest, reducing regression bugs and accelerating release cycles by 3x across distributed teams.

Built and scaled responsive marketing websites and client portals using React, Next.js, and Tailwind CSS, enhancing UX and aligning with digital branding goals. Migrated legacy PHP-based pages to Node.js (Express) and Python (Flask) microservices, improving performance and maintainability across multiple client sites. Integrated CMS solutions with Firebase, enabling real-time updates and user access control through Firebase Auth and Firestore. Developed RESTful and GraphQL APIs with PostgreSQL via Prisma ORM, and implemented CI/CD pipelines using GitHub Actions and Vercel for streamlined deployment. Collaborated cross-functionally in Agile sprints, leading frontend testing efforts using Jest, Playwright, Cypress and Xunit resulting in 40% fewer production bugs.

Developed and maintained responsive web applications using Django, React, and SCSS, supporting multi-tenant platforms for small business clients. Refactored legacy codebases to modular ES6+ JavaScript and TypeScript, introducing Redux Toolkit for cleaner state management across large-scale projects. Built custom CMS features and user dashboards backed by MySQL and Sequelize ORM, improving performance and admin usability. Implemented Dockerized development environments and configured automated deployments with AWS EC2, S3, and GitHub Actions. Led QA initiatives using pytest-django, Cypress, and Jest, improving frontend reliability and reducing bug-related support tickets by 35%.

Developed and maintained enterprise-grade desktop applications using C++ with MFC and Qt Framework, focusing on internal business logic automation, form processing, and hardware-integrated systems. Collaborated on legacy system modernization efforts by rewriting Visual Basic 6.0 utilities into C#/.NET WinForms applications, significantly improving maintainability and runtime stability. Designed multithreaded components for data processing modules, reducing computation time by 40% in complex statistical reports and batch import/export tools. Integrated secure FTP and email protocols into internal tooling, facilitating automated report delivery and document exchange with enterprise clients in Japan. Built internal utilities in Python for log parsing, batch renaming, and daily report generation, accelerating QA and support team workflows. Maintained code documentation and deployment scripts, coordinated with Japanese stakeholders, and implemented updates in line with ISO-compliant software development standards.