Available to hire
Hi, I’m Nirasha Wimalasena, a results-driven senior software engineer with over 15 years of experience delivering scalable, cloud-native web applications across frontend, backend, databases, and DevOps. I excel at resolving production issues, managing incidents, and maintaining SLA standards, always focusing on reliable, business-critical outcomes.
I have led cross-functional teams in agile environments, mentoring engineers and collaborating with stakeholders to translate requirements into robust, scalable solutions. My experience spans React, Next.js, TypeScript, Node.js, PHP/Symfony, AWS, Docker, Kubernetes, and CI/CD, with a track record of measurable improvements such as a 90% reduction in scheduling conflicts and up to 70% query performance improvements.
Skills
Experience Level
Expert
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Intermediate
Language
English
Fluent
Work Experience
Senior Software Support Engineer at Hanasoft Pty Ltd
October 1, 2020 - PresentDeveloped CRM functionalities for deposits and withdrawals, account management, and system news using Symfony; built REST APIs for crypto deposits; created Microservices for user document verification; implemented frontend components with React; automated deployments with AWS CodePipeline and Docker (CI/CD); wrote MS SQL, MySQL, and MongoDB queries for reporting on payments, customer issues, affiliate system, and gold inventory; designed and normalized database schemas; investigated incidents using Symfony logs, New Relic, Snowflake, SQS/DLQ, and CloudWatch; resolved high-severity production incidents and communicated with stakeholders; managed JIRA backlog and mentored team members.
Product Development Engineer at Australasian Medical Publishing Company (AMA)
July 1, 2020 - October 15, 2025Developed Doctor Portal Learning (DPL) system using Laravel with SCORM modules for CPD tracking; built Feeslist system to compare treatment charges with Medicare benchmarks; created the AMA Federal website using Drupal 8 in a Docker environment; configured email marketing via Informz and Mailchimp; recovered MySQL databases from backups; used JIRA in a Scrum setting; developed Doctor2Doctor WordPress system; built RESTful APIs for data extraction from DPL; generated reports with Microsoft Power BI integrated with Google Analytics.
Web Developer at Blue Wealth Property
May 1, 2019 - October 15, 2025Developed AWS-based web functionalities for CRM systems using CodeIgniter, Laravel, and AngularJS; created HTML-based emails and managed AWS environments; experience with MySQL queries, Memcache, Docker; tracked work in JIRA and GIT.
Product Development Engineer at Fleet Logistics (Pvt) Ltd
May 1, 2017 - October 15, 2025Developed functionalities in a vehicle tracking system to store data generated from tracking units and process the data based on user levels; created permission groups according to roles; ensured daily reports were delivered and integrated Google Maps API to display vehicle locations and statuses; performed bug fixes and produced system documentation and web-based applications.
Senior Systems Engineer at R and D International (Pvt) Ltd - Sri Lanka
December 31, 2014 - October 15, 2025Developed an automated system to deliver a VMware-based sandbox environment to end users; managed daily builds and security aspects related to IFS Applications; maintained databases (Oracle and SQL Server) and built security measures; created and maintained virtual machines using VMware vSphere; developed and executed project builds (e.g., IFS Application build process); built standalone company web applications.
Software Engineer at R and D International (Pvt) Ltd - Sri Lanka and Sweden
December 31, 2011 - October 15, 2025Developed the company intranet website, implemented security measures, and maintained web hosting for employees and partners; worked with ASP.NET with MVC, Entity Framework, C#.NET; JavaScript and JQuery; handled requirements gathering, interface design, HTML/CSS; SQL Server 2008/2012 and Oracle 11g/12c.
Senior Software Support Engineer at Hanasoft Pty Ltd
October 1, 2020 - PresentDeveloped CRM functionalities for deposit and withdrawal, account functionalities, and system news using Symfony; REST API development for integrating Crypto deposit method; Developed Microservices related to user document verification process; Frontend components with React; Implemented MS SQL, MySQL and MongoDB queries for reporting related to payments, customer issues, affiliate system and inventory; Automated systems with stored procedures (T-SQL) and AWS RDS management with alerts; Designed database schemas, indexing and normalization; Investigated issues using code logs and monitoring tools; Resolved high-severity incidents and maintained SLA; Managed JIRA backlog and team delivery; Mentored team members.
Product Development Engineer at Australasian Medical Publishing Company (AMA)
July 1, 2020 - October 15, 2025Developed Doctor Portal Learning (DPL) system using Laravel with SCORM modules; Built Feeslist system; Rebuilt AMA Federal website using Drupal 8 in a Docker environment; Configured email marketing via Informz and Mailchimp; Recovered MySQL databases; Used JIRA in Scrum; Developed Doctor2Doctor WordPress system; Built RESTful APIs for data extraction from DPL; Monitored usage with Google Analytics; Generated Power BI reports integrated with Google Analytics.
Web Developer at Blue Wealth Property
May 1, 2019 - October 15, 2025Developed AWS-based web functionalities for CRM systems in the investment property sector using CodeIgniter, Laravel, and AngularJS; Created HTML-based emails and managed AWS environments; Front-end development and MySQL querying; JIRA task management; Docker-based deployments.
Product Development Engineer at Fleet Logistics (Pvt) Ltd
May 1, 2017 - October 15, 2025Developed functionalities in a vehicle tracking system to store data from tracking units; Implemented role-based permission groups; Ensured daily reports to customers; Integrated Google Maps API for vehicle locations/statuses; Performed bug fixes and created system documentation; Developed web-based applications.
Senior Systems Engineer at R&D International (Pvt) Ltd - Sri Lanka
January 1, 2014 - October 15, 2025Developed an automated VMware-based sandbox environment delivery; Managed daily build processes and security for IFS applications; Maintained Oracle and SQL Server databases; Created and managed virtual machines with VMware vSphere; Executed project builds (IFS Application build process); Developed standalone web applications (Self-Service Project).
Software Engineer at R&D International (Pvt) Ltd - Sri Lanka and Sweden
December 1, 2011 - October 15, 2025Developed company intranet website; Implemented security measures and hosting; Managed IFS Application build processes; Worked with ASP.NET MVC, C#.NET, JavaScript and JQuery; Managed SQL Server and Oracle databases.
Software Engineer at R&D International (Pvt) Ltd - Sri Lanka
December 1, 2011 - October 15, 2025Developed company intranet website, security measures, and hosting; IFS Application build processes; Database maintenance; VMware-based sandbox environment provisioning; Web applications.
Software Engineer at N& Association
September 1, 2025 - PresentDesigned and developed a driver scheduling and roster management system using MongoDB, Express.js, React, and Node.js. Automated driver hour calculations and CRM functionality based on rosters to ensure compliance and prevent overtime. Deployed the system using Docker, AWS EC2, an Nginx reverse proxy, and automated CI/CD pipelines. Collaborated with stakeholders to gather requirements and create design diagrams. Reduced scheduling conflicts by 90% through automated conflict-checking logic.
Product Development Engineer at Australasian Medical Publishing Company (AMA)
June 1, 2019 - July 1, 2020Developed the Doctor Portal Learning (DPL) system using Laravel, integrating SCORM modules for CPD tracking. Developed the Feeslist system for comparing treatment charges with Medicare benchmarks. Built the AMA Federal website using Drupal 8 in a Docker environment. Configured email marketing via Informz and Mailchimp. Recovered MySQL databases from backups. Used JIRA in a Scrum setting. Developed Doctor2Doctor WordPress system. Built RESTful APIs for data extraction from DPL. Monitored system usage with Google Analytics. Generated reports using Microsoft Power BI integrated with Google Analytics.
Web Developer at Blue Wealth Property
January 1, 2017 - May 1, 2019Developed AWS-based web functionalities for CRM systems in the investment property sector using CodeIgniter, Laravel, and AngularJS. Created HTML-based emails and managed AWS environments.
Product Development Engineer at Fleet Logistics (Pvt) Ltd
January 1, 2014 - May 1, 2017Developed functionalities in a vehicle tracking system to store data generated from tracking units and processed the data based on user levels. Created permission groups according to user roles (drivers, supervisors, managers). Ensured daily reports were delivered to customers and integrated Google Maps API to display vehicle locations and statuses.
Senior Systems Engineer at R and D International (Pvt) Ltd
January 1, 2011 - December 31, 2014Developed an automated system to deliver a VMware-based sandbox environment to end users. Maintained databases and managed security for Oracle and SQL Server databases. Created and maintained virtual machines using VMware vSphere. Created and executed project builds (e.g., IFS Application build process).
Software Engineer at R and D International (Pvt) Ltd
August 1, 2008 - December 1, 2011Developed the company intranet website, implemented security measures, and maintained web hosting. Worked with ASP.NET MVC, C#.NET, JavaScript and JQuery. Involved in requirements gathering and documentation; interface design and content management.
Senior Software Engineer | Operations Lead at N&N Association Pty Ltd
September 1, 2025 - PresentLed design and development of the driver scheduling and roster management system using ReactJS, Next.JS, TypeScript, PostgreSQL, Express.js and Node.js; reduced scheduling conflicts by 90% through automated validation. Implemented automated driver hour calculations and CRM workflows to ensure compliance and audit readiness. Containerised deployment with Docker on AWS EC2 using Nginx; established CI/CD pipelines for deployment reliability. Defined operational workflows for driver allocation, working hours compliance, leave management, and exception handling. Collaborated with stakeholders to translate requirements into scalable solutions and managed the JIRA backlog to meet Scrum goals.
Senior Systems Engineer at IFS R&D International (Pvt) Ltd - Sri Lanka
December 1, 2011 - January 1, 2014Built automated systems to deliver VMware-based sandbox environments for end users. Managed Oracle and SQL Server databases and supported secure build processes for IFS Applications. Created and executed project builds (e.g., IFS Application build process).
Software Engineer at IFS R&D International (Pvt) Ltd - Sri Lanka and Sweden
January 1, 2008 - December 1, 2011Developed and maintained the company intranet platform with security controls and web hosting. Built applications using ASP.NET MVC, C#, Entity Framework, and integrated SharePoint CMS.
Education
Postgraduate Diploma in M.SC. in Information Security at University of Colombo
January 11, 2030 - October 15, 2025B.Sc. (Hons) in Information Technology at University of Moratuwa
January 11, 2030 - October 15, 2025Chartered Institute of Management Accountants (CIMA) - Foundation and Intermediate levels at CIMA
January 11, 2030 - October 15, 2025Postgraduate Diploma in M.SC. in Information Security at University of Colombo
January 11, 2030 - October 15, 2025B.Sc. (Hons) in Information Technology at University of Moratuwa
January 11, 2030 - October 15, 2025Postgraduate Diploma in Information Security at University of Colombo
January 11, 2030 - December 13, 2025B.Sc. (Hons) in Information Technology at University of Moratuwa
January 11, 2030 - December 13, 2025Postgraduate Diploma in Information Security at University of Colombo
January 11, 2030 - January 21, 2026B.Sc. (Hons) in Information Technology at University of Moratuwa
January 11, 2030 - January 21, 2026Chartered Institute of Management Accountants (CIMA) – Foundation and Intermediate levels at Chartered Institute of Management Accountants
January 11, 2030 - January 21, 2026Qualifications
Chartered Institute of Management Accountants (CIMA) - Foundation and Intermediate levels
January 11, 2030 - October 15, 2025Postgraduate Diploma in M.SC. in Information Security
January 11, 2030 - October 15, 2025CIMA Foundation Level
January 11, 2030 - October 15, 2025CIMA Intermediate Level
January 11, 2030 - October 15, 2025CIMA Foundation
January 11, 2030 - December 13, 2025CIMA Intermediate
January 11, 2030 - December 13, 2025CIMA Foundation and Intermediate levels
January 11, 2030 - January 21, 2026Industry Experience
Software & Internet, Financial Services, Media & Entertainment, Professional Services, Transportation & Logistics, Real Estate & Construction, Education, Healthcare
Skills
Experience Level
Expert
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Expert
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Intermediate
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