Dakshina Dissanayake

Dakshina is the co-founder of Fixerlinks and a Tech Lead with 10+ years of experience designing and delivering scalable, secure, high-performance enterprise applications using Java and Spring Boot. He currently leads backend architecture at The FineQubit, building on experience across digital banking, event-driven systems, and distributed application development at companies including Zafer AI and Epic Lanka Technologies, where he led backend development for Internet and Mobile Banking platforms. He holds a Master of Information Security and a BSc in Computer Science from the University of Colombo School of Computing, and has served as a Visiting Lecturer since 2024.

• Lead the architecture and development of scalable, secure backend solutions using Java, Spring Boot, microservices, and AWS
• Define service boundaries, integration patterns, data flows, API standards, and technical guidelines with architects and product stakeholders
• Design REST APIs and distributed services using secure coding, clean-code, SOLID, and domain-driven design principles
• Guide AWS-based deployment, containerization, scalability, monitoring, and production-readiness decisions
• Coordinate with QA, DevOps, product, and engineering teams to deliver stable releases and resolve technical risks
• Conduct code reviews and mentor developers through architectural guidance, pair programming, and technical knowledge-sharing

• Contributed to the architecture and development of a large-scale Digital Asset Management platform using Java 17/21, Spring Boot, microservices, AWS, MongoDB, MySQL, Kafka, and Redis
• Designed scalable REST APIs, microservice boundaries, system integrations, asynchronous workflows, and service-level data flows
• Supported AWS-based deployment of containerized microservices using Docker and Kubernetes
• Implemented event-driven processing, distributed workflows, caching, and resilience mechanisms using Kafka, Temporal, Redis, and circuit-breaker patterns
• Contributed to authentication, authorization, API security, automated testing, application monitoring, and production troubleshooting
• Mentored developers through code reviews, technical discussions, and Agile delivery activities

• Led backend development for Internet and Mobile Banking platforms delivered for Citizens Development Bank and Union Bank
• Designed secure and scalable banking services using Java 17, Spring Boot, Oracle, Redis, and microservices architecture
• Implemented REST APIs for authentication, account management, fund transfers, transaction history, and customer notifications
• Developed optimized SQL queries and PL/SQL procedures to improve performance and maintain transactional data integrity
• Applied asynchronous processing, caching, database optimization, and secure integration patterns to improve scalability and reliability
• Performed API performance and load testing using Apache JMeter, including test script creation, execution, result analysis, and identification of backend performance bottlenecks
• Integrated banking systems, payment services, and third-party platforms while coordinating with architects, vendors, QA, and DevOps teams

• Analysed stakeholder requirements and designed, developed, and maintained institutional web applications using Java, Spring Boot, PHP, Laravel, MySQL, and Linux
• Translated academic and administrative requirements into system designs, workflows, REST APIs, business logic, and database modules
• Designed and optimized MySQL database structures, queries, and application data flows
• Supported testing, Linux-based deployments, user acceptance, production support, and issue resolution
• Coordinated with users and technical teams and mentored junior developers through code reviews and technical guidance

• Developed enterprise applications using Java-based technologies, Spring Boot, Vue.js, Oracle, and MySQL
• Built REST APIs, backend business logic, database modules, and frontend components
• Participated in requirement analysis, development, testing, deployment, and production issue resolution
• Progressed from Junior Software Engineer to Associate Software Engineer based on increased technical responsibility and project contribution