Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Tobias (TJ) Liebenberg, a software professional with more than 25 years of hands-on IT experience across government, finance and enterprise applications. I lead teams, architect complex systems, and deliver robust integrations and data migrations with a focus on performance and reliability. I enjoy solving challenging problems, mentoring developers, and staying curious about new technologies such as mobile, cloud, and automation. I thrive in contract environments and collaborate closely with clients to help achieve business goals.…I'm Tobias (TJ) Liebenberg, a software professional with more than 25 years of hands-on IT experience across government, finance and enterprise applications. I lead teams, architect complex systems, and deliver robust integrations and data migrations with a focus on performance and reliability. I enjoy solving challenging problems, mentoring developers, and staying curious about new technologies such as mobile, cloud, and automation. I thrive in contract environments and collaborate closely with clients to help achieve business goals.

TJ Liebenberg

App Developer, Programmer, Web Developer, +1





I'm Tobias (TJ) Liebenberg, a software professional with more than 25 years of hands-on IT experience across government, finance and enterprise applications. I lead teams, architect complex systems, and deliver robust integrations and data migrations with a focus on performance and reliability. I enjoy solving challenging problems, mentoring developers, and staying curious about new technologies such as mobile, cloud, and automation. I thrive in contract environments and collaborate closely with clients to help achieve business goals.…I'm Tobias (TJ) Liebenberg, a software professional with more than 25 years of hands-on IT experience across government, finance and enterprise applications. I lead teams, architect complex systems, and deliver robust integrations and data migrations with a focus on performance and reliability. I enjoy solving challenging problems, mentoring developers, and staying curious about new technologies such as mobile, cloud, and automation. I thrive in contract environments and collaborate closely with clients to help achieve business goals.

Available to hire

I’m Tobias (TJ) Liebenberg, a software professional with more than 25 years of hands-on IT experience across government, finance and enterprise applications. I lead teams, architect complex systems, and deliver robust integrations and data migrations with a focus on performance and reliability.

I enjoy solving challenging problems, mentoring developers, and staying curious about new technologies such as mobile, cloud, and automation. I thrive in contract environments and collaborate closely with clients to help achieve business goals.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Afrikaans

Fluent

Work Experience

Senior Software Developer / Development Team Manager at UiPlay (Pty) Ltd

May 1, 2019 - Present

Led the development team as Development Team Manager, overseeing planning, task delegation, progress tracking, code quality, and regular reporting to senior management. Designed and implemented robust third-party payment integrations (Pay@, EasyPay, Persal/Qlink, Bitventure, Netcash, direct debit orders), and integrated payment flows with multiple SA banks and DebiCheck mandates. Managed large-scale Microsoft SQL Server databases, including performance monitoring, query tuning, indexing, and capacity planning. Conducted code reviews, enforced best practices, and managed GitHub branch strategy and release migrations. Implemented automated deployments and CI/CD via GitHub Actions, and provided first-line support for new features and production incidents.

Independent Contractor at Self-Employed / Independent Contractor

August 1, 2025 - Present

Independent contracting opportunities in software development and consulting, focusing on delivering reliable systems and quick problem resolution for diverse clients.

Senior C# Developer at Adinga (Pty) Ltd

April 1, 2016 - March 31, 2019

Developed service-based applications in C# for Windows Server with SQL Server; implemented data transfer via web services and reporting using Crystal Reports, PowerShell, and AngularJS/HTML5/CSS. Ensured data integrity across Accpac ERP modules and led integration of medical claim transactions into the STADI system. Managed Windows Server admin tools and security configurations (IIS, firewall, Task Scheduler).

Senior Software Developer at Paracon (Pty) Ltd

August 1, 2014 - March 31, 2016

Gathered user requirements and translated them into functional designs using OO concepts, UML, and design patterns. Managed the full software development lifecycle for multiple systems. Projects included VisRAMS (Windows-based road asset management) and STRCTab (Android tablet-based assessment), with data stored in SQLite/Oracle and reporting via PDF/Crystal Reports.

Senior Systems Analyst at Mobinomics (Pty) Ltd

July 1, 2010 - July 31, 2012

Translated user requirements into functional designs and technical specifications, led multi-tier architecture decisions, and mentored developers. Contributed code in C++, Delphi/.NET, and Python; performed data migration and integration tasks; participated in architectural planning and concept proofs.

Senior Analyst Programmer at Altech ISIS (Pty) Ltd

February 1, 2002 - June 30, 2010

Gained requirements and produced UML designs; led 3-tier UNIX/CORBA development with INGRES and ORACLE. Oversaw frontend/backend development, data migrations, risk control, and project prioritisation; mentored team and produced release notes for the UNIBase project.

Analyst Developer (contract) at Dimension Data i-Commerce

August 1, 2001 - October 31, 2001

Designed and developed front end applications (Visual C++ and Delphi) interfacing with Genesys TServer and GStat, including a Queue Monitor and COM-wrapped functionality for reusability.

Process Software Engineer at PiTec (Pty) Ltd

May 1, 1999 - March 31, 2001

Implemented PROMACE SCADA at ISCOR Vanderbijlpark; UNIX administrator and Oracle Forms 4.5; hot standby facility; TCP/UDP communications between HP-UX and Windows; supported Eskom PROMACE/Oracle implementations.

Software Developer at ArcelorMittal South Africa – ISCOR (Pty) Ltd

March 1, 1998 - February 28, 1999

Developed UNIX-based server systems with Windows clients for Production Planning, Capacity Loading and Despatch; ProC++ on UNIX with embedded SQL for Oracle; scheduling to optimise delivery dates.

Software Developer at Telsaf Data (Pty) Ltd

October 1, 1996 - February 28, 1998

Developed SCADA software for monitoring plants via microwave networks; enhanced front-end processors; simulator development; OS2/UNIX/Windows integrations.