Hammad Ur Rehman

I am responsible in Ubisoft for the following task

• Built and maintained scalable backend services and APIs for multiplayer game features.

• Developed real-time systems using ejabberd, fluux, and Google FCM for messaging and notifications.

• Designed battlepass, event system, leaderboard, quest, counters and variables, matchmaking, lobby, tournament and authentication systems with microservices architecture.

• Managed MongoDB, Redis, and Elasticsearch for data storage and analytics.

• Integrated third-party tools like Appsflyer (analytics) and Xsolla (payments).

• Deployed services via Kubernetes; automated builds with Jenkins, TeamCity, and GitLab CI.

• Monitored systems using Grafana and Kibana; ensured performance and reliability.

• Collaborated across teams to implement features and optimize multiplayer scalability.

• Delivered clean, well-documented code in .Net C#

• Participated in code reviews, debugging, and production support.

During my tenure at 10Pearls, I worked on a variety of projects, including the development of a fax process automation system using AWS SQS, S3, and Lambda functions. I also contributed to the creation of a project Authentication API that offered both authentication and authorization capabilities, implemented using AWS Cognito and built on C# .Net core. Additionally, I was involved in a project that involved reading email attachments from different mailboxes using Azure EWS. These experiences allowed me to develop a strong understanding of cloud technologies and expand my skills in full-stack development. I am responsible in 10Pearls for the following task

• Collaborating with developers and subject matter experts to generate innovative ideas and concepts

• Designing and implementing advanced automation solutions

• Creating microservices for the Application Services division

• Developing self-service portals for administrators and departmental teams

• Leading the development of new features, conducting developer testing, and performing code reviews

• Participating in agile product planning and analysis, serving as a Scrum Master on various projects.

During my tenure at Centegy Technologies, I was involved in a number of projects, including the integration with SAP, Sync Services, a statistics dashboard, WebAPIs, and a tool for QA automation called TestBot. These experiences allowed me to gain expertise in various technical areas and enhance my skills in software development. I was responsible at Centegy Technologies for the following task

• Development and improvement of APIs

• Debugging, implementation, and code refactoring

• Managing git repositories and documentation

• Identifying and resolving production issues

• Deployments