Sajith Gallage

Project Role: Tribal Design Lead for Individual Tax Microservice Domain

Project: myTax Portal, is an end-to-end tax calculation and tax return system built from scratch for the Inland Revenue Authority of Singapore (IRAS), including a personalized portal for taxpayers to view and manage their tax transactions.

• Leading the high-level design of features.
• Preparing Technical Design Specifications based on requirements.
• Reviewing CD pipeline code deployments to UAT, ORT, and Production.
• Leading 4 Development Leads (each leading around 8 developers).
• Collaborating with the architectural team to improve performance and develop proof of concepts.
• Member of the IRAS architect group.
• Involved in designing the solution architecture from the first sprint.

Technologies used: C# | .NET Core | Microservices | Angular | EF | Docker | SignalR | SQL | xUnit | Kubernetes | Confluent Kafka | Azure Resources | Azure CI/CD | Agile/Scrum | Git | SonarQube.

Project: A mobile banking solution allowing 100k+ users to access their accounts, manage wealth, conduct online transactions (stock orders, wire transfers), and connect with Wealth Managers easily and securely from smartphones.

• Led a scrum team of 8 developing a mobile banking application with C# and 10+ REST APIs to cover banking requirements
• Worked with the wider security engineering team to take security requirements and incorporate them to reduce risk by 30% by implementing HID mobile banking authentication for e-banking users
• Ensured secure and seamless access to accounts and wealth management tools
• Oversaw the integration of stock order and wire transfer functionalities
• Coordinated with cross-functional teams to enhance user experience and system security
• Implemented best practices in mobile app development and security

Technologies used: C# | .NET Core | Xamarin | WPF | REST | EF | Nexus | Jira | Jenkins | PostgreSQL | Dynatrace | Elasticsearch | GitLab | HID.

Project: iSeries NX: A complete end-to-end cloud-based retail solution for multi-retail outlets above 250 locations across Singapore.

• Led a team of 10 and participated in every step of development from setting up architecture to implementing and improving features
• Involved in architectural design and development of the backend using .Net Core
• Built 5 microservices and 10+ REST APIs using .Net Core
• Refactored code to handle up to 3k+ requests per second, resulting in improved performance by 200%
• Wrote unit test cases using xUnit with code coverage of 90%
• Collaborated with the architectural team to re-design the database schema, decreasing API response time by 15%

Technologies used: C# | .NET | WPF | JavaScript | JQuery | ReactJS | Angular | TypeScript | Xamarin | SSRS | Ajax | SQL | Docker | Agile/Scrum | SVN | HID | SSRS | xUnit | Web Service | TDD | Azure.

Project: Pharmasave corporate Intranet Portal is used by leading pharmacy retailers in over 800 stores across Canada to help their effectiveness by streamlining the management of access to data

• Developed deployment tools using PowerShell to set up an intranet portal for 800+ pharmacy stores across Canada.
• Contributed to architectural decisions for scalability and performance enhancements.

Technologies used: C# | .NET | REST | JavaScript | JQuery | SharePoint | Nintex | HTML | CSS | Ajax | PowerShell | Design Patterns | Dapper.

Project: WebQuarters is a business collaboration platform that connects businesses, people, processes, and technology within the ERP landscape with over 400 IFS and M3 clients

• Contributed to the development of a scalable business collaboration platform using SharePoint.
• Implemented functionalities within SharePoint to manage data and facilitate collaboration among users.
• Participated in Agile development processes for efficient deployment and updates.
• Worked closely with the lead and stakeholders to align technical solutions with business objectives.

Technologies used: C# | .NET | .NET Core | Microservices | React | Angular | KnockoutJS | Dapper | SharePoint | Bootstrap | SSRS | Ajax | SignalR | xUnit | Linux | Docker | CI/CD | Azure | Agile | TFS | CSOM.

Project: A document management system that serves as a centralized location for corporate-wide information sharing for internal and external users of a leading manufacturing company in the USA with 5 developers

Technologies used: C# | .NET | REST | JavaScript | JQuery | SharePoint | HTML | CSS | Ajax | xUnit | PowerShell.