Senior Full-Stack Engineer

Designed and developed scalable backend services and REST APIs using Java, Spring Boot and microservices. Built and optimized Spark/Scala data pipelines processing approximately 1 TB of data daily for risk and fraud intelligence. Worked on ~50 REST APIs and 20 Spark jobs, including development, enhancements, performance optimization and production support. Participated in requirements gathering, architecture discussions, infrastructure planning and release planning. Led a team of 6 engineers, providing technical guidance, conducting code reviews and mentoring junior developers. Owned production deployments, incident troubleshooting and root-cause analysis to improve system reliability. Collaborated with Product Managers, Business Analysts, Engineering Managers, Architects and business stakeholders to deliver solutions aligned with business requirements. Worked on authentication and enterprise integration using SAML and OAuth. Contributed to a Generative AI POC exploring AI-powered search and data visualization capabilities. Continuously focused on performance, scalability, maintainability and reliability of backend and data-processing systems.

Developed Java/Spring Boot microservices for merchant data storage and user-profile management, improving modularity and scalability. Designed and implemented secure REST APIs with JWT-based authentication and authorization for controlled access to merchant and customer data. Built a Kafka-based synchronization service for merchant data backup and synchronization across different data centers, improving data consistency and resilience. Integrated the IDM/User Management Service with the Entity Service, implementing password-security and user-access capabilities. Developed a messaging service to notify users about password-update information. Analyzed and refactored existing code, developed new modules, and enhanced applications based on evolving business and user requirements. Owned modules across the complete SDLC, including requirement analysis, development, unit/functional testing, deployment, production support, troubleshooting, maintenance, and enhancements. Participated in Agile development, including sprint planning, testing, requirement discussions, and production releases. Worked with users and stakeholders to understand requirements, analyze system flows and data usage, and translate business needs into technical solutions.

Contributed to the design and development of a distributed workflow engine capable of automating configurable tasks such as Git operations and third-party integrations. Worked on the Monitor Workflow project for existing applications, integrating data from multiple teams into a centralized monitoring application. Developed dashboard views and charts to provide visibility into application and workflow information. Participated in requirement analysis, development, testing, and application enhancements. Collaborated with different teams to understand their data and integrate it into the monitoring workflow. Worked as part of an Agile development team and contributed to delivering and maintaining software components