Available to hire
I am Kushani Hansika, a software engineer dedicated to designing scalable, secure, and efficient software that delivers reliable performance and a great user experience. I enjoy solving complex engineering challenges by combining analytical thinking with hands-on delivery, and I thrive in collaborative, cross-functional environments.
I’m passionate about building robust systems, mentoring teammates, and continuously improving quality, security, and reliability in every product I contribute to.
Skills
Experience Level
Expert
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Intermediate
Language
English
Advanced
Work Experience
Senior Software Engineer at Axiata Digital Labs
February 28, 2025 - July 22, 2025Led the deployment and management of the Appointment Manager product and integrated communication adapters for WhatsApp and Viber to enhance customer engagement. Facilitated team sprint planning using Agile methodologies, designed and implemented scheduling solutions with Quartz, integrated SMS and email services, and managed payment gateway integration including data encryption for customer security. Managed AWS Aurora databases ensuring high availability and optimal performance, handled client onboarding successfully. Conducted R&D for workflow engine development using Camunda, Activiti BPM, and Drools Rule Engine, implemented workflow engine for leave management system, and mentored engineers on POCs. Managed and scaled microservice architecture for Campaign Management systems, integrated AWS and Google Cloud services, used AWS load balancing, managed EC2 instances with Prometheus monitoring, implemented Resilience4j for fault tolerance, developed database locking for data integrity
Software Engineer at Wonder Software Engineering
November 1, 2021 - July 22, 2025Implemented maintainable code and ensured reliability through unit testing and debugging. Optimized SQL queries to reduce database response time, contributed to technical documentation, and participated in code reviews. Developed and maintained a robust real-time chat system to enhance user engagement and support. Collaborated with cross-functional teams for testing and debugging, enhancing system reliability and minimizing downtime. Actively participated in issue resolution during live operations to maintain a stable production environment.
Associate Software Engineer at Techlead International (Pvt) Ltd.
February 28, 2021 - July 22, 2025Designed and developed scalable web applications following the Layered Architecture pattern. Enhanced security with Spring Security and OAuth authentication. Worked on ongoing projects for Chinese clients, ensuring smooth feature delivery and updates. Managed deployments and release processes for production environments. Mentored interns and provided training on live code management, focusing on best practices for maintenance and troubleshooting.
Senior Software Engineer at Axiata Digital Labs
November 1, 2021 - February 1, 2025Backend Architecture: Designed and implemented scalable microservices using Java, Spring Boot, Kafka, and AWS, improving system throughput by 35% and ensuring 99.9% uptime. System Integration: Delivered multi-channel appointment management platform integrating WhatsApp, Viber, and SMS APIs, driving a 30% increase in customer engagement. Cloud Deployment: Deployed containerized applications on AWS EKS and EC2 with Jenkins-based CI/CD pipelines, enhancing release speed, resilience, and environment consistency. Process Automation: Built workflow automation systems using Camunda and Drools Rule Engine, reducing manual approvals by over 60%. Microservices Optimization: Introduced CQRS, database locking, and Resilience4j to boost scalability and reduce API failure rates by 40%. Security & Compliance: Enforced Keycloak, OAuth2, and data encryption to secure multi-tenant environments, ensuring compliance with enterprise-grade security standards. Leadership & Collaboration: Led sprint planning,
Associate Software Engineer at Techlead International (Pvt) Ltd
August 1, 2019 - February 1, 2021Application Development: Developed scalable e-commerce and hospitality web applications using Java, Spring Boot, and Hibernate. API Security: Implemented OAuth2 and JWT authentication with Spring Security, protecting data and strengthening platform security. Deployment Management: Contributed to CI/CD automation using Jenkins and Docker to standardize builds across environments. Client Collaboration: Delivered tailored backend solutions for clients such as SV Group China and Swiss Kandy, improving operational workflows and data accuracy. Mentorship & Training: Mentored junior developers and interns through code reviews and live deployment support to enhance team performance.
Education
BSc (Hons) at University of West London
January 1, 2015 - December 31, 2018Higher Diploma at University of Colombo School of Computing (UCSC)
January 1, 2013 - December 31, 2014Bachelor (Hons) Information Technology at University of West London
January 11, 2030 - December 22, 2025Higher Diploma in IT (HDIT) at University of Colombo School of Computing (UCSC)
January 11, 2030 - December 22, 2025Comprehensive Master Java Developer (CMJD) at Institute of Java & Software Engineering
January 11, 2030 - December 22, 2025Direct Entry Program (DEP) at Institute of Java & Software Engineering
January 11, 2030 - December 22, 2025Bachelor (Hons) Information Technology at University of West London
January 11, 2030 - March 25, 2026Higher Diploma in IT (HDIT) at University of Colombo School of Computing (UCSC)
January 11, 2030 - March 25, 2026Comprehensive Master Java Developer (CMJD) at Institute of Java & Software Engineering
January 11, 2030 - March 25, 2026Direct Entry Program (DEP) at Institute of Java & Software Engineering
January 11, 2030 - March 25, 2026Qualifications
Comprehensive Master Java Developer (CMJD)
January 1, 2017 - December 31, 2017Direct Entry Program (DEP)
January 1, 2016 - December 31, 2016AWS Certified Solutions Architect - Associate
January 11, 2030 - December 22, 2025Certified Kubernetes Administrator (CKA)
January 11, 2030 - December 22, 2025AWS Certified Solutions Architect - Associate
January 11, 2030 - March 25, 2026Certified Kubernetes Administrator (CKA)
January 11, 2030 - March 25, 2026Industry Experience
Software & Internet, Telecommunications, Financial Services, Professional Services, Computers & Electronics
Skills
Experience Level
Expert
Expert
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Expert
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Expert
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Intermediate
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