David Mburu

Conceptualized and implemented various digital solutions to function as software as a service, including an e-gaming tournament platform set to revolutionize e-gaming in the East African Market using NodeJS as a backend and Payload CMS, a Next.js backend framework built on top of Node Express.

Optimised backend code, i.e, query optimisations by utilising ORMs in Node.js such as objection.

Worked on web3 emerging technologies, creating and deploying contracts in projects built on various cryptocurrencies, e.g., Lisk Ethereum

Led the creative direction for projects, identifying innovative technology solutions that align with clients' needs.

Collaborated with team members to ensure high-quality outcomes, integrating user-centered design and functionality into all projects

Developed task automation workflows using job queues and cron jobs, improving system efficiency and reducing manual overhead and system timeouts.

Built time tracking and invoicing systems, enabling accurate project revenue calculation and streamlined cost management

Developed loan-management services using NodeJs, Express.js and PostgreSQL, creating endpoints for loan origination, amortization schedule calculations, payment processing, JWT-based authentication, and QuickBooks integration for report generation.

Built digital financial management tools, integrating PDFKit for automated invoice generation and using node-cron jobs to export journal entries and financial snapshots on schedule.

Integrated digital payment gateways and online wallet management modules by consuming third-party banking APIs, M-Pesa APIs, ensuring data integrity by using database transactions and triggers in PostgreSQL.

Ensured security and code quality by enforcing input validation and encryption for sensitive data, writing unit and integration tests, conducting peer code reviews in Git and GitHub, and systematically debugging production issues.

Maintenance of websites and apps for various company clients, which happened remotely and on-site.

Database management such as updating queries and the data in the database.

Designing new systems for customers according to given specifications.

Developing apps and internal projects for the company.

Testing of the developed apps and websites is conducted through various phases of development.