William Muli Email & Phone Number

Remote

Nairobi, Kenya

Responsibilities:- Developing Brave Wallet using React, TypeScript and NodeJS, achieving a remarkable milestone of over 10 million active users and facilitating monthly transactions exceeding $500,000- Spearheaded the successful integration of Solana into the Wallet platform, revolutionizing cryptocurrency transactions- Developed and launched an NFT gallery(ERC-721, ERC-1155) with support for EVM-compatible chains and Solana, resulting more sign ups and new wallet accounts.- Streamlined the on-ramp process by integrating Ramp.Network, Sardine, Transak, and Wyre providers, facilitating cryptocurrency purchases for users, resulting in an increase in buy orders.- Crafted and executed the development of Market Data functionality, providing users with real-time access to token prices, market cap, and trading volume which amplified user engagement.- Engineered and optimized NodeJS backend APIs, achieving a 50% increase in throughput and enabling reliable performance for millions of clients worldwide.- Fixing bugs reported by users in the community forum and Github issues which increased reliability of Brave Wallet- Reviewing pull requests from other developers to ensure code quality and adherence to best practices.

Nairobi, Kenya

Responsibilities:- Designed and architected scalable, distributed systems, achieving a 30% reduction in system latency, resulting in improved customer satisfaction.- Automated CI/CD processes using Azure DevOps and Github Workflows, reducing deployment times by 40%.- Deployed applications to Microsoft Azure, managing existing workloads with a 99.9% availability.- Conducted in-depth code reviews for a team of 10 engineers, ensuring quality, adherence to best practices, and identifying 30+ bugs and performance issues, resulting in a 40% reduction in production incidents.- Mentored and guided a team of software developers, implementing best practices and Agile methodologies that resulted in a 20% increase in team productivity and a 30% decrease in code defects.- Led the implementation and optimization of backend APIs utilizing C#, NodeJS and ASP.Net Core, servicing a wide-ranging client base, resulting in a significant 50% reduction in API response times, unlocking better user experience and driving exponential business growth.- Led the engineering team with 7 engineers and 1 designer to work on different applications targeting web, desktop and mobile.- Led the development of Speechly, an enterprise realtime translation application supporting translation of over 100 languages and used by 1000s of users- Reviewing code and pair programming.- Mentoring other software developers in the company.

Nairobi

Responsibilities:- Crafting applications using Angular and ReactJS, resulting in user interfaces that reduced customer support issues by 20%.- Made architectural decisions for micro front-end applications that consumed backend microservices, enhancing application performance and scalability.- Mentored and coached junior developers within the organization to improve skills of the development team.- Deployment of applications using Docker and Kubernetes.- Mentoring Junior Developers in the company.- Reviewing code from fellow engineers, ensuring code quality and adherence to best practices.

Nairobi

Responsibilities:- Engineered News Apps for Language Services to deliver interactive and engaging user experiences resulting in 20% increase in user engagement and a 10% decrease in bounce rates.- Created automation tools utilizing Webpack and Babel, streamlining application scaffolding, testing, and deployment processes. Achieved a 30% reduction in deployment time, enabling quicker feature rollouts to AWS.- Implemented advanced data visualization techniques with D3.js, Chart.js, and other libraries to create dashboards, resulting in a 50% increase in user interactions and accessibility to election-related data.- Automated testing processes, resulting in reduction in post-release bugs and a decrease in the time required for regression testing.

Responsibilities- Spearheaded the end-to-end development of secure reporting tools utilizing Node.js, PHP, AngularJS, Angular 2/4, and Typescript; increased corruption cases reported by 30%.- Built cross-platform mobile applications for iOS and Android, expanding the reach of anti-corruption initiatives and garnering a combined user base of over 50,000.- Refactored legacy codebases that reduced code redundancy by 40% and enhanced code integrity.- Collaborated closely with the development team to facilitate sprint planning and implement agile practices.

Nairobi

Responsibilities:- Implemented visually appealing and user-friendly SharePoint layouts using HTML, CSS, and JavaScript, resulting in a 20% improvement in overall website usability.- Trained 100+ clients on SharePoint, empowering clients to leverage advanced features such as document versioning and team collaboration tools; achieved a 25% boost in overall productivity.- Built Document Management Systems on SharePoint, improving document organization and accessibility for clients.- Deployed and maintained SharePoint servers on Microsoft Azure and on-premise environments, optimizing system performance and ensuring uninterrupted access for 500+ users.- Architected and executed customized SharePoint components leading to a 40% decrease in manual data entry.