Denis – Python, React, AWS

It's an enhanced Greenhouse Gas (GHG) Data Processing WebApp integrated with the Cool Farm Platform API.

• Delivered the project end-to-end as an individual contributor.
• Built a WebApp for processing farm-level data and GHG impact outputs.
• Integrated Kobo Toolbox data ingestion with validation and Excel export for RStudio.
• Implemented data upload and transformation, mapping outputs to the Cool Farm Platform API.
• Configured API communication and formatted returned results for reporting.
• Refactored and tested Python transformation scripts in a version-controlled codebase.
• Documented code and workflows for developers and non-technical users.
• Designed an intuitive UI for internal, non-technical stakeholders.

It's a web application designed to collect information from groups of farmers through a questionnaire, determining their eligibility for the certification process.

• Built the project end-to-end as an individual contributor.
• Implemented questionnaire functionality to collect farmer data.
• Integrated database storage for collected information.
• Built a data dashboard using Python to visualize results.
• Developed backend services with FastAPI, following project standards and timelines.
• Wrote unit tests achieving at least 80% code coverage.
• Performed and documented integration testing.
• Supported CI/CD setup with Docker-based deployment.

It's a personal care application that connects professionals and businesses to their clients. It enables smoother client management and facilitates the creation of online portfolios.

• Led the engineering team directly, including developers, QA, and other technical roles.
• Oversaw the implementation of tasks, sprints, and technical features to ensure progress aligns with goals.
• Provided hands-on technical expertise by reviewing code and debugging complex issues.
• Ensured the team meets deadlines and maintains high standards of code quality.
• Mentored team members, fostering technical growth and onboarding new hires effectively.
• Built the mobile app using Flutter.

It's the trusted source for collecting and sharing credible, accessible data to positively impact animals and communities.

• Implemented data visualizations using Recharts to identify trends in large datasets and support decision-making.
• Built user-friendly React forms to streamline animal intake, outcomes, and service tracking, reducing data errors.

It's a behavior change platform helping global companies engage their employees in purpose-based initiatives.

• Implemented a recurring donation feature end-to-end using React, Ruby on Rails, and Stripe API integration.
• Collaborated with cross-functional teams and incorporated user feedback to improve UI, engagement, and functionality.
• Triaged and resolved bugs, prioritizing fixes based on customer impact.

It's a platform that connects users with a personal stylist, who handpicks clothes and sends them directly to the customers' door.

• Implemented an intuitive order preview in React.js, reducing returned orders.
• Built a Shop feature enabling subscribed users to purchase individual items separately.
• Collaborated with the stylist team to enhance the Stylist Portal for workflow and inventory management.
• Rapidly prototyped and tested features to improve the stylist team's efficiency.

It's a platfrom that assists financial advisors in visualizing their clients' data.

• Integrated 3rd-party APIs using Django, reducing manual data entry and delivering consolidated insights on a single interactive page.