Dannie

Heaney

● Engineered microservices in Golang, enhancing backend scalability and efficiency. ● Implemented the Observer design pattern to improve communication and collaboration within Agile teams, ensuring effective information flow throughout the project lifecycle. ● Integrated comprehensive TDD practices in the development process, ensuring robust testing of GraphQL schema and mutations for optimal data retrieval and manipulation. ● Pioneered a resilient CI/CD pipeline using Jenkins and CircleCI, reducing deployment time by 50% and ensuring a reliable and automated build, test, and deployment workflow. ● Demonstrated proficiency in crafting SQL Triggers, Stored Procedures, Functions, and Views for backend processes using SQL Server, showcasing a robust understanding of database optimization and performance enhancement techniques. ● Employed design patterns such as the Adapter pattern to optimize performance and reduce page load time by 30%, enhancing the overall user experience.

● Showcased adept use of middleware, particularly Redux-Promise, streamlining backend data retrieval and enhancing RESTful service execution within applications. ● Demonstrated an advanced understanding of relational databases, specializing in application development using multiple RDBMS platforms such as PosgreSQL, Oracle, and MySQL. ● Collaborated in the utilization of Agile Methodologies to manage the full life-cycle development of projects, ensuring timely delivery and achieving a client satisfaction rating of 95%. ● Leveraged expertise in GraphQL schema, queries, and mutations to seamlessly interact with MongoDB and various data layers, optimizing data retrieval and manipulation processes. ● Ensured cross-browser compatibility and optimal performance, achieving a high compatibility rate across major browsers and reducing page load time by 30%.

● Applied ReactJS, React Flux, and Redux architecture while leveraging advanced object-oriented concepts to enhance website performance and user experience. ● Experienced in the development of distributed components using servlets, JSP, XML, JDBC, Ajax, jQuery, JavaScript, and CSS, contributing to the creation of robust and scalable systems. ● Worked predominantly with startups, actively participating in small teams and engaging in all project lifecycle phases, resulting in a notable 25% increase in development efficiency. ● Utilized Git, Bitbucket, and SVN for version control, ensuring a streamlined and collaborative development process with an emphasis on code quality and project transparency. ● Leveraged Node.js and NPM modules extensively for server-side development, leading to a significant 20% improvement in backend performance and overall system responsiveness.