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I am a Senior Full Stack .NET Developer with 18+ years of experience delivering enterprise solutions across transportation, finance, and government sectors. I lead modernization efforts, manage development teams, and deliver mission-critical systems across large-scale operations. I thrive on turning legacy systems into scalable, cloud-ready platforms using ASP.NET Core, Blazor, .NET MAUI, REST APIs, and modern data stores. I enjoy collaborating with stakeholders and mentoring teams to achieve high availability and performance.…I am a Senior Full Stack .NET Developer with 18+ years of experience delivering enterprise solutions across transportation, finance, and government sectors. I lead modernization efforts, manage development teams, and deliver mission-critical systems across large-scale operations. I thrive on turning legacy systems into scalable, cloud-ready platforms using ASP.NET Core, Blazor, .NET MAUI, REST APIs, and modern data stores. I enjoy collaborating with stakeholders and mentoring teams to achieve high availability and performance.

Jeffrey Garing Paran

Full Stack Developer, Web Developer, Programmer, +1

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I am a Senior Full Stack .NET Developer with 18+ years of experience delivering enterprise solutions across transportation, finance, and government sectors. I lead modernization efforts, manage development teams, and deliver mission-critical systems across large-scale operations. I thrive on turning legacy systems into scalable, cloud-ready platforms using ASP.NET Core, Blazor, .NET MAUI, REST APIs, and modern data stores. I enjoy collaborating with stakeholders and mentoring teams to achieve high availability and performance.…I am a Senior Full Stack .NET Developer with 18+ years of experience delivering enterprise solutions across transportation, finance, and government sectors. I lead modernization efforts, manage development teams, and deliver mission-critical systems across large-scale operations. I thrive on turning legacy systems into scalable, cloud-ready platforms using ASP.NET Core, Blazor, .NET MAUI, REST APIs, and modern data stores. I enjoy collaborating with stakeholders and mentoring teams to achieve high availability and performance.

Available to hire

I am a Senior Full Stack .NET Developer with 18+ years of experience delivering enterprise solutions across transportation, finance, and government sectors. I lead modernization efforts, manage development teams, and deliver mission-critical systems across large-scale operations. I thrive on turning legacy systems into scalable, cloud-ready platforms using ASP.NET Core, Blazor, .NET MAUI, REST APIs, and modern data stores. I enjoy collaborating with stakeholders and mentoring teams to achieve high availability and performance.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

IT Application Specialist / Technical Lead at SBS Transit PTE. LTD. (via PersolKelly Singapore and Opus IT Services)

July 1, 2023 - Present

Designed, developed, and maintained enterprise web, desktop, and mobile applications supporting bus and rail operations. Spearheaded modernization of legacy systems, including BPAMS and SDAR – PTW, through reengineering, architectural improvements, and adoption of contemporary development practices, enabling reliable daily operations across SBS Transit. Implemented REST API integrations between critical applications and operational systems. Improved maintainability and scalability via modernization and refactoring. Collaborated with stakeholders to gather requirements, design solutions, and deliver enhancements. Provided production support and optimized SQL Server and PostgreSQL databases, stored procedures, views, and reporting. Led full SDLC activities from analysis to deployment.

Information Technology Assistant Manager at COMFORTDELGRO PTE. LTD. / SBS TRANSIT PTE. LTD.

January 1, 2020 - May 1, 2023

Led a team of developers and contract staff delivering and supporting multiple enterprise applications. Directed migration initiatives from OutSystems to Microsoft .NET and SQL Server technologies. Managed development, implementation, testing, deployment, and post-production support across multiple projects. Delivered enterprise systems including BPAMS, TAMS, VMS, RCMS, RFET, and Health Declaration platforms. Designed software integrations between operational systems, APIs, databases, and hardware devices. Worked closely with business users, management, and technical teams to drive digital transformation. Oversaw project planning, resource coordination, technical reviews, and solution architecture decisions. Designed, developed, and maintained enterprise web, desktop, and mobile applications supporting rail and bus operations. Architected system integrations using RESTful APIs, Web Services, and database interfaces. Provided end-to-end software delivery across the full SDLC and ensured

Information Technology Senior Executive at ComfortDelGro PTE. LTD. / SBS Transit PTE. LTD.

January 1, 2013 - December 31, 2019

Led development and operations for multiple enterprise applications spanning operations management, workforce administration, access control, payroll processing, and transportation service monitoring. Delivered system integrations via RESTful APIs and Web Services, guided architecture decisions, and optimized performance. Mentored junior developers and contract staff, ensuring adherence to coding standards and delivery timelines. Worked closely with business units to translate requirements into scalable technical solutions and maintain high system reliability.

Information Technology Executive at ComfortDelGro PTE. LTD. / SBS Transit PTE. LTD.

November 1, 2010 - December 31, 2012

Progressed through IT roles to contribute to application development, migration, and production support. Delivered enterprise platforms including BPAMS, TAMS, VMS, RCMS, RFET, and Health Declaration. Designed and optimized database schemas, stored procedures, and reporting solutions. Collaborated with stakeholders to translate business requirements into robust technical solutions and led production support for mission-critical systems.

Software Developer at POS SQUARE PTE LTD

September 1, 2009 - November 1, 2010

Developed and maintained Point of Sales systems, PDA-based inventory management applications, databases, and Web Service integrations. Delivered customized desktop and mobile solutions and managed end-to-end software development, database administration, and SQL optimization.

Programmer at SOFTWARE LABORATORIES INC.

April 1, 2009 - August 31, 2009

Developed and maintained desktop applications supporting banking and financial operations, including reconciliation, statement processing, PIN delivery tracking, redemption management, and query systems for enterprise clients such as Standard Chartered Bank and the Bureau of Internal Revenue.

Application Developer / Database Administrator at CERTEZA INFOSYS CORP. PHILIPPINES

June 1, 2007 - April 30, 2009

Developed and maintained desktop applications for accounting, taxation, and GIS-related projects, including the Project Cost Accounting System (PCAS), Real Property Tax Assessment System, and custom mapping solutions using Visual Basic 6.0, SuperMap Objects, and ArcView.