**Experience Summary:**Dynamic professional with extensive expertise in the payment domain within a leading e-commerce company in the Middle East. Proficient in creating robust payment architecture and adept at utilizing Microservices, MySQL, and Asynchronous messaging on Azure Cloud platform. Demonstrated leadership skills by successfully leading a small team of 3-4 individuals.**Key Achievements:**1. **Payment Domain Expertise**: Possess in-depth knowledge of the payment landscape within the e-commerce sector in the Middle East, understanding the nuances and intricacies involved.2. **Payment Architecture Development**: Played a pivotal role in designing and implementing payment architecture, ensuring scalability, security, and efficiency in processing transactions.3. **Technology Proficiency**: Proficient in utilizing Microservices architecture, MySQL databases, and leveraging Asynchronous messaging systems on the Azure Cloud platform to enhance payment processing capabilities.4. **Team Leadership**: Successfully led a small team of 3-4 individuals, providing guidance, mentorship, and fostering a collaborative work environment to achieve project milestones effectively.**Core Responsibilities:**- Collaborated with cross-functional teams to understand business requirements and translate them into technical solutions within the payment domain. - Designed and implemented Microservices-based architecture for payment processing, focusing on modularity, scalability, and fault tolerance. - Leveraged MySQL databases for efficient storage and retrieval of payment-related data, ensuring data integrity and security. - Implemented Asynchronous messaging systems on the Azure Cloud platform to facilitate real-time communication between different components of the payment ecosystem. - Led regular meetings and discussions with team members to track progress, resolve issues, and ensure alignment with project timelines and objectives.

As a Senior Big Data Engineer at Optum, a division of UnitedHealth Group (UHG), I have been instrumental in driving forward projects focused on processing large volumes of data through big files. My role encompasses utilizing cutting-edge technologies and frameworks to optimize data processing workflows and ensure efficient data management practices.Key Highlights:1. Big Data Processing Projects: Led and contributed to projects centered around processing extensive datasets through big files. Leveraged advanced techniques and methodologies to efficiently handle data ingestion, transformation, and analysis, catering to the specific needs of Optum's data-driven initiatives.2. Expertise in Java and Big Data Technologies: Proficient in Java programming language and adept at leveraging Big Data technologies such as Apache Spark to tackle complex data processing tasks. Utilized Spark's distributed computing capabilities to handle large-scale data processing requirements effectively.3. Workflow Management with Azure Services: Played a crucial role in designing and implementing data processing workflows using Azure Data Factory, Azure Databricks, and Azure Storage Accounts. Leveraged the capabilities of these Azure services to orchestrate data pipelines, manage data storage, and ensure secure key management through Azure Key Vault.-Through my expertise in Java, Big Data technologies, and proficiency in managing data workflows with Azure services, I have played a pivotal role in driving successful data processing projects at Optum. My contributions have facilitated efficient data-driven decision-making processes, ultimately enhancing Optum's capabilities in leveraging data for strategic initiatives and improving healthcare outcomes.

In my role, I developed SPARK, a web application designed to empower sales representatives by aggregating and presenting data from various sources and databases. Utilizing a tech stack comprising Java, Angular 6, Spring, Hibernate, Oracle, and REST web services, I ensured seamless integration and efficient data retrieval. SPARK enables sales teams to leverage customer insights and interactions to create leads and opportunities, ultimately enhancing their productivity and effectiveness in driving business growth.

In my role, I contributed to the development of HealthWizz, a versatile mobile and web application enabling users to securely aggregate, organize, and share their medical records using blockchain technology. Leveraging a tech stack encompassing Java, AngularJS, Spring, Hibernate, MyBatis, and REST web services, I facilitated seamless data management and integration. Notably, I implemented a federation login feature, enabling users to log in with social media accounts, and integrated data collection from Fitbit devices, enhancing the platform's functionality and usability for users tracking their health and wellness metrics.