Wissem Gueldich Email & Phone Number

•Contributed to the conception phase of the Unicredit project, influencingarchitectural decisions and strategic planning.•Engineered robust backend systems using Java JEE, guaranteeingscalability and optimal performance.•Designed and implemented the majority of post-sales REST API logicsindependently, ensuring seamless communication between variousmodules of the Unicredit platform.•Developed Java multithreaded batches to automate repetitive tasks,enhancing efficiency and effectivly reducing manual workload.•Automated testing processes with Cucumber JS and Playwright, cuttingmanual testing efforts by 30%.•Optimized database performance by refining SQL queries, achieving a20% improvement in query response times.•Orchestrated containerization and deployment strategies with Dockerand Kubernetes, streamlining the deployment process and reducingdeployment times by 30%.•Authored comprehensive API documentation using Swagger, enhancingdeveloper onboarding and API usability.•Led the integration of Apache Camel for efficient data integration andmessaging within the Unicredit ecosystem.•Developed frontend function cards using Angular and AngularJS withNgRx, ensuring consistent state management and data flow.•Leveraged Ionic’s cross-platform capabilities to create hybrid frontendfunction cards, enabling users to access key functionalities on both iOSand Android devices without the need for separate native developmentefforts.•Resolved critical production issues with a 95% defect resolution ratewithin SLA timelines, maintaining high service quality

•Engineered a robust web application to manage and automate filetransfers and broadcasts between servers using SSH and SFTP protocolswith Spring Boot, significantly enhancing operational efficiency andreliability.•Developed user-friendly frontend functionalities with Angular, ensuringan intuitive and responsive user interface.•Designed and integrated MySQL databases, optimizing data storage andretrieval processes for enhanced performance.•Implemented advanced security features, including access control andconfidentiality mechanisms, ensuring the integrity and confidentiality oftransferred files.•Utilized GitHub for version control, facilitating collaborative developmentand maintaining a robust codebase.•Developed a comprehensive notification system via email and SMS toalert users of failed transfers, boosting system reliability and userawareness.•Implemented an advanced scheduling system to trigger transfersperiodically or at specified times, automating routine tasks andimproving operational efficiency.•Created a batch transfer capability to automate the transfer of multiplefiles simultaneously, streamlining operations and reducing manualworkload.•Developed a detailed transfer history feature, tracking each transfer'ssuccess or failure, the user responsible for initiating it along withtimestamps, and the configurations of source and destination servers,enhancing traceability and accountability

•Developed a full-fledged e-commerce web application from scratch usingRuby on Rails, incorporating robust features and functionalities to meetbusiness requirements.•Implemented payment processing with Stripe, ensuring secure andseamless transaction capabilities for customers.•Created a live chat feature for customer support using Redis server andother technologies, enabling real-time interaction and enhancingcustomer service capabilities.•Implemented database management with PostgreSQL, ensuring efficientdata handling and scalability for seamless application performance.•Utilized GitHub for version control and facilitated collaborativedevelopment, ensuring codebase integrity and team productivity.•Designed and styled the frontend using Tailwind CSS, creating a modern,visually appealing, and responsive user interface to enhance userexperience.•Collaborated closely with team members throughout the developmentlifecycle, contributing to achieving project milestones and meetingdeadlines effectively

•Participated in the development of GoStaff, a critical web applicationdesigned to connect healthcare teams with doctors for collaborativemedical decision-making during the diagnosis and treatment stages ofpotential COVID-19 patients.•Developed reusable React components using React, Storybook, andFigma, ensuring a modular and user-friendly frontend interface thatsupported intuitive navigation and usability.•Implemented backend functionalities using Node.js, Express, andFirebase, enabling secure data storage,real-time communication, andseamless integration of features critical to medical workflowmanagement.•Collaborated with a multidisciplinary team to refine projectrequirements, contributing to agile development cycles and ensuringalignment with stakeholders' needs and project timelines.•Executed comprehensive testing procedures and debugged issues,ensuring high performance and reliability of the application underdemanding operational conditions

National Engineering Diploma, Computer Software Engineering

Diploma Of General University Studies (Deug)