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I'm Penny (Yu-Ping) Shen, a software engineer with over 10 years of experience in backend development, web APIs, and FinTech. I specialize in building secure, scalable applications using C#, .NET Core, ASP.NET MVC, and MS SQL Server, and I have strong experience managing third-party payment gateways and complex API integrations. I thrive in Agile teams and enjoy turning complex requirements into robust technical solutions. I'm currently on an Australian 485 visa with full working rights, bringing a pragmatic, self-sufficient mindset, collaborative spirit, and a track record of improving production systems through performance tuning, bug fixes, and clear code maintenance.…I'm Penny (Yu-Ping) Shen, a software engineer with over 10 years of experience in backend development, web APIs, and FinTech. I specialize in building secure, scalable applications using C#, .NET Core, ASP.NET MVC, and MS SQL Server, and I have strong experience managing third-party payment gateways and complex API integrations. I thrive in Agile teams and enjoy turning complex requirements into robust technical solutions. I'm currently on an Australian 485 visa with full working rights, bringing a pragmatic, self-sufficient mindset, collaborative spirit, and a track record of improving production systems through performance tuning, bug fixes, and clear code maintenance.

Yu-Ping Shen

Web Developer, Programmer, Back-End Developer, +2

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I'm Penny (Yu-Ping) Shen, a software engineer with over 10 years of experience in backend development, web APIs, and FinTech. I specialize in building secure, scalable applications using C#, .NET Core, ASP.NET MVC, and MS SQL Server, and I have strong experience managing third-party payment gateways and complex API integrations. I thrive in Agile teams and enjoy turning complex requirements into robust technical solutions. I'm currently on an Australian 485 visa with full working rights, bringing a pragmatic, self-sufficient mindset, collaborative spirit, and a track record of improving production systems through performance tuning, bug fixes, and clear code maintenance.…I'm Penny (Yu-Ping) Shen, a software engineer with over 10 years of experience in backend development, web APIs, and FinTech. I specialize in building secure, scalable applications using C#, .NET Core, ASP.NET MVC, and MS SQL Server, and I have strong experience managing third-party payment gateways and complex API integrations. I thrive in Agile teams and enjoy turning complex requirements into robust technical solutions. I'm currently on an Australian 485 visa with full working rights, bringing a pragmatic, self-sufficient mindset, collaborative spirit, and a track record of improving production systems through performance tuning, bug fixes, and clear code maintenance.

Available to hire

I’m Penny (Yu-Ping) Shen, a software engineer with over 10 years of experience in backend development, web APIs, and FinTech. I specialize in building secure, scalable applications using C#, .NET Core, ASP.NET MVC, and MS SQL Server, and I have strong experience managing third-party payment gateways and complex API integrations. I thrive in Agile teams and enjoy turning complex requirements into robust technical solutions.
I’m currently on an Australian 485 visa with full working rights, bringing a pragmatic, self-sufficient mindset, collaborative spirit, and a track record of improving production systems through performance tuning, bug fixes, and clear code maintenance.

Skills

JavaScript

CSS

jQuery

Experience Level

Expert

JavaScript

Expert

CSS

Expert

jQuery

Expert

Language

English

Fluent

Work Experience

Junior Programmer at GRI Accessories (HK) Limited Taiwan Branch

October 1, 2014 - September 1, 2015

Maintained internal POS systems and inventory management tools using WinForms and Web Services.

Programmer at MacroWell OMG Digital Technology Co., Ltd.

September 1, 2015 - February 1, 2018

Maintained official web portals and backend management tools using ASP.NET, JavaScript, and MS SQL.

Programmer at O'Pay Electronic Payment Co., Ltd.

March 1, 2018 - November 1, 2018

Developed secure backend portals and maintained government API connections using ASP.NET MVC and SQL.

Senior Programmer at Green World FinTech Service Co. Ltd

December 1, 2018 - April 1, 2024

Maintained core payment systems, banking integrations, and third-party payment gateways. Analyzed Git history and code updates to resolve critical bugs in live production environments. Optimized T-SQL queries and managed background database schedules to improve performance.

Senior Programmer at WITS Corp.

October 1, 2024 - July 1, 2025

Developed and maintained banking features using ASP.NET Core and Web API. Implemented Dependency Injection to build loose-coupling structures and ensure system stability.