Syed Taha Hasan

Senior Backend Java Engineer with 4+ years of experience designing and building scalable microservices and cloud-native applications using Java, Spring Boot, and AWS. Proven expertise in RESTful APIs, secure authentication, and distributed systems. Strong experience in fintech and high-availability systems, with a focus on performance optimization, system reliability, and clean architecture.

Senior Software Engineer at Xpert Digital (2025-07 – Present)

• Developed and customized Temenos Infinity modules for onboarding, enrolment, and funds transfer within digital banking systems
• Built backend logic in Core Java to support business workflows and digital banking operations
• Enhanced onboarding and transaction processing flows to ensure reliable and accurate system behaviour
• Handled customer data, transactions, and configurations using relational databases
• Integrated Temenos Infinity with internal and external systems via APIs
• Investigated and resolved production issues, maintaining system stability and performance
• Worked closely with cross-functional teams to deliver banking features and system enhancements
• Contributed to requirement analysis and system design for fintech solutions
• Supported Agile development processes, including code reviews, testing, and deployments

Associate Engineer at Guru Group LLC (2023-06 – 2025-07)

• Designed and developed scalable microservices and RESTful APIs using Spring Boot, supporting high-availability cloud deployments
• Built cloud-native applications using AWS (Lambda, ECS, API Gateway, DynamoDB, CloudWatch)
• Implemented secure APIs using OAuth2, JWT, and RBAC for authentication and authorization
• Set up real-time monitoring and logging with AWS CloudWatch, improving system visibility and reliability
• Developed backend services integrating AWS Secrets Manager for secure and dynamic configuration management
• Improved application performance using Redis caching, enhancing processing efficiency
• Built and integrated a voice-enabled chatbot using Rasa (Python), Azure Speech, and Salesforce
• Developed a SharePoint-based archiving solution using Java and Microsoft Graph API
• Applied microservices architecture, SOLID principles, and design patterns to build scalable systems
• Collaborated within Agile teams, contributing to CI/CD pipelines, code reviews, and production deployments

Software Developer Trainee at Alif Technologies (2022-08 – 2023-01)

• Gathered and analysed business requirements, acting as a bridge between clients and development teams
• Customized and enhanced ERP systems to align with client-specific workflows and processes
• Assisted in development, testing, and debugging of ERP and chatbot solutions
• Developed and integrated additional modules to improve system functionality and efficiency
• Collaborated on system design and architecture improvements for better scalability
• Conducted testing and troubleshooting to ensure system reliability and performance
• Coordinated with stakeholders to track progress and ensure timely delivery of project milestones

Software Developer at Matacs Technologies Inc. (2021-08 – 2022-07)

• Developed a voice-enabled chatbot using Rasa NLP, enabling users to place orders and make reservations via voice and text
• Built backend services using Flask APIs integrated with Rasa to process user queries and deliver real-time responses
• Implemented WebSocket-based communication for real-time interaction between frontend and backend systems
• Designed and developed backend solutions to automate restaurant operations via voice commands, reducing manual input
• Built an admin dashboard backend using Node.js and MongoDB to manage restaurant operations and CRUD workflows
• Managed and analysed application data using MongoDB, ensuring efficient data handling and performance