As a full stack developer, working on backend video streaming platform deployed on Amazon Cloud, and Angular based front end - famous app Zoneify which run across all different TV platforms, such as X1, FireTV, Roku, Web, Mobile etc, and media edit tool Studio.More is coming...

Developed features and maintained Walmart Global Timesheet and Attendance product(based on Infor WFM) which is large scale to support ~2millions active associates. Proven track record in driving product development in cloud-based environment. Contributed to product development through diverse roles including requirement refining, code reviewing, mentoring new team members, and providing on-call support for payroll systems. Supported Scrum Master for technical assessment, task breakdown, risk estimates, dependencies analysis and so on.--Contributed to the product design, development, and maintenance of Walmart's Azure cloud-based WFW platform on Agile process and employing microservices architecture, Docker, Kubernetes, and Concord/Ansible CI/CD pipeline,utilizing Git, Java, and BDD techniques to develop and test features--Led initiatives to enhance operational efficiency by implementing entitlement policies monitoring solutions, leveraging JMeter and Spring Boot frameworks, resulting in a remarkable drop in entitlement related issues--Designed and implemented a scalable balance reset solution to run across multiple batch servers using Java, pivotal in enabling the completion of a 2-year project --Worked on custom metric microservice to collect system health metrics for cloud Grafana dashboard--Familar with Kafka event stream platform to send real time balance change events to Subgraph, keeping data consistent across systems--Designed and implemented a UI component to enhance daily Paid Time Off (PTO) and Paid Protected Time Off (PPTO) accrual processes, utilizing technologies such as JavaScript, REST etc--Developed proficiency in SQL for data analysis--Developed proficiency in Linux skill for shell scripting and docker management

Developed features on cloud-based BlackBerry UEM (Unified Endpoint Management), which is highly salable to support millions devices and multiple tenants. Continuously delivered user stories based on Agile process. major responsibilities were to design/develop new features/ troubleshooting/code review etc.; collaborated different teams to lead dependency issues to be resolved--Played a key role in a high-profile DoD project, leading the full-stack development of a certificate enrollment solution via via Purebred Key Management server. Developed the web UI using GWT, JSP, and JQuery, and implemented the backend server utilizing JSON, REST, Spring, and Hibernate frameworks, with a Microsoft SQL Server database--Took charge of integrating a 3rd party Entrust PKI server as Plugin into the UEM system using the Proxy design pattern, enhancing its capabilities to manage different sources --Contributed to the development of a cloud provision service on JEE, leveraging EJB, MDB, and Microsoft SQL database technologies. Implemented asynchronous tasks delegation using JMS for improved system performance--Developed and implemented MDM features related to user management, group management, security, compliance, attestation, certificate management, and NIAP compliance. Delivered reconciled profiles to Android, iOS, and other devices based on a metadata-driven framework

Delivered mission-critical features on Comcast digital TV middleware platform. Contributed to design and code review, specification and architectural review; proposed new APIs and integrated software with 3rd system, also participated in work definition and planning, risk identification and assessment. --Played a key role in the FDS(File Delivery Server) development for a digital TV middleware platform serving 10 million cable devices, contributing to its scalability, reliability, and performance--Significantly improved the performance of the File Delivery Service (FDS) through a comprehensive redesign, enhancing overall product efficiency and user experience--Addressed the 'Dead Zone' issue in Comcast field performance, increasing performance by 30 times --Initiated and implemented FAITT (FDS Automate Integration Testing Tool), a policy-driven tool aimed at improving product reliability and minimizing downtime--Led the redesign of the File Delivery Service (FDS) component to redirect traffic flow to CDN to increase scalability and reliability--Developed and delivered in-depth training courses for third-party developers, empowering them to integrate products within their systems--Collaborated closely with multiple teams, including Development, Architecture, and Infrastructure, to ensure the successful completion of feature implementations and project milestones--Served as a valued member of the Server Architecture Council (SAC), contributing insights and expertise to strategic decision-making within the organization

Worked on the outsourcing projects on Fujitsu Interstage J2EE application server. Involved in architecture design, development, and management of project development lifecycle. Proficient in leading initiatives, driving innovation, and collaborating with cross-functional teams to deliver high-quality software solutions.--Led design efforts, contributing to the development of the Fujitsu Interstage J2EE application server--Spearheaded the initiation and implementation of a "Diagnostic Expert System" to enhance system diagnostics and troubleshooting capabilities--Successfully orchestrated the migration of the FUJITSU EAI Server from Solaris to Linux, seamlessly transitioning critical systems while optimizing performance and compatibility with CORBA, SWAP, XML, and Web Services technologies--Mentored and supported development and quality assurance teams, providing guidance, training, and technical expertise to drive continuous improvement and ensure adherence to industry best practices--Actively contributed to the Software Engineering Process Group (SEPG) during the organization's CMMI Level 5 certification process