• Acted as a senior backend engineer for Atom-Ai.com project at SADA Systems, leveraging expertise in Spring Boot, MongoDB, Google Cloud, Docker, Kubernetes, Go, Java, Python, Node.js, and GraphQL.• Developed new features and supported application enhancements, collaborating with cross-functional teams.• Utilized Node.js and JavaScript to provide data migration, maintenance, and troubleshooting solutions for customers.• Collaborated closely with web and mobile development teams to design and implement new features and microservices.• Implemented a comprehensive feature to facilitate email and push notification delivery to clients, integrating Google Pub/Sub for efficient message passing.

• Led a small team as a senior software engineer, driving the design and development of Java web applications within an agile environment.• Executed full-stack development, from database design and back-end implementation in Java and MyBatis, to front-end development with Angular, AngularJS, Bootstrap, HTML, CSS, TypeScript, and JavaScript.• Orchestrated the end-to-end development lifecycle of a new web application, overseeing conception, design, development, and deployment.• Collaborated closely with cross-functional teams to define project requirements, prioritize tasks, and meet project deadlines.• Developed responsive and intuitive frontend interfaces using AngularJS and Angular frameworks to enhance user experience.• Engineered RESTful APIs and microservices with Java EE and MyBatis, ensuring scalability and maintainability.• Optimized database schemas to improve performance and scalability, enhancing overall system efficiency.• Implemented automated testing strategies to validate code quality and reliability, ensuring robustness of applications.• Provided mentorship and technical guidance to junior developers, fostering a culture of continuous learning and growth.

• Led a small team (3-4 people) as a senior software engineer and technical lead, overseeing the design and development of enterprise applications.• Developed robust applications using Java, Node.js, and Oracle SQL, facilitating communication with clients and vendors while streamlining internal processes.• Provided technical guidance to team members, conducting code reviews, defining processes, and ensuring adherence to best practices.• Implemented front-end CRM, middleware, billing system, and provisioning system, integrating RESTful and SOAP web services for seamless functionality.• Spearheaded the development of applications for provisioning task automation, including telephony accounts and ADSL account creation, enhancing operational efficiency.• Designed and deployed an Android mobile application for vendor and resource management, improving collaboration and resource allocation.• Developed an application for enhanced customer support through automation, managing the entire project lifecycle from analysis to deployment.• Collaborated closely with stakeholders to gather requirements, draft artifacts, and deliver reports, ensuring alignment with business objectives.

• Conducted requirements evaluations, code analysis, and both unit and system testing to ensure software quality and reliability.• Designed and deployed databases, drafting technical specifications for comprehensive project implementation.• Developed robust applications utilizing Java, Node.js, and Oracle SQL, facilitating seamless communication with clients and vendors while optimizing internal processes.• Offered technical guidance to team members, conducting thorough code reviews, defining streamlined processes, and ensuring adherence to best practices.• Collaborated closely with stakeholders to gather requirements, draft essential artifacts, and deliver insightful reports, ensuring alignment with overarching business objectives.• Provided mentorship and technical guidance to junior developers, fostering a culture of continuous learning and professional growth within the team.

• Directed full-stack enterprise application development across various company departments and client projects.• Led project evaluation, planning, database development, application design, web services integration, and application migrations.• Prepared comprehensive technical, design, development, and deployment documentation.• Orchestrated the migration of the asymmetric digital subscriber line, landline, and network analyzer provisioning application to Oracle ADF 12c.• Engineered a web application for in-depth analysis and reporting of landline network issues.• Architected a vendor registration and approval web application, integrating payment, warranty, and agreement functionalities with vendor ranking and category search features.• Designed an enterprise application for bank transfers, deposits, currency exchange, and warranty management, enhanced with reporting and administration capabilities.• Developed a web application for the installation, management, and payment of landline, ADSL, and prepaid services.• Implemented a standalone application for reporting, auditing, and administrative purposes.• Extended the landline provisioning application to incorporate a new VoIP service.• Collaborated with a team of 6 to develop and deploy a comprehensive Paltel services management application, including customer service options and auditing report management.• Designed and developed an application for HLR (Home Location Register) log file retrieval, parsing, and indexing.• Engineered an application for Group Training and Resort Center management, encompassing setup, pricing, and reservation functionalities.