Client

Our client is a forward-thinking U.S. company redefining how businesses approach payment processing. Through cutting-edge, technology-first solutions, they empower seamless, secure, and scalable transactions across diverse industries — setting a new benchmark for efficiency in the digital payments space.

Project overview

We're working on an exciting and high-impact project that involves a core product built many years ago using robust solutions. Despite its age, this product has continued to handle an impressive volume of transactions seamlessly. Now, we're taking it to the next level!

The current project focus is migrating this product from Delphi 5 to the more modern Delphi 7 version. This long-term initiative not only gives you the chance to work with tried-and-true technologies, but also offers the exciting opportunity to introduce and integrate innovative solutions into a legacy system.

Position overview

We are looking for an experienced Senior Delphi Engineer to join the team and contribute to a high-performance transaction processing system.

You'll be part of a talented development team based in the U.S. and will be welcomed with open arms into a collaborative environment. If you're passionate about legacy systems, enjoy working with familiar tools, and are eager to contribute to new and creative solutions.

Working hours for this position are based on Eastern Standard Time (EST). Working hours for Polish employees: from 2:00 PM till 10:00 PM CET

Responsibilities

• Develop, enhance, and maintain the existing transaction processing platform
• Assist with the migration of the platform to the newer Delphi version
• Support, troubleshoot, and optimize existing solutions
• Collaborate with cross-functional teams to ensure project goals are met
• Maintain clear and comprehensive documentation for code, APIs, and system configurations
• Effectively communicate progress, challenges, and solutions with team members and stakeholders

Requirements

• Professional experience developing backend applications using Delphi
• Experience with Delphi IDE (RAD), including DUnit, VCL, XML, MSBuild
• Strong understanding of RDMBS, particularly MS SQL Server, MySQL, Oracle, or other relational databases
• Strong understanding of object-oriented programming (OOP) principles
• Solid experience with Client-Server architecture, CGI, and web servers (IIS)
• Experience with version control systems (e.g., Git, Subversion, Mercurial)
• Excellent communication skills

Nice to have

• Experience with Borland Delphi 5