Senior Software Lead - Payments & High Availability

ProSearch; Portland (ME); On-site; USD 90,000 - 130,000; Full time

Job summary

A technology recruitment agency is searching for a Senior Software Developer in Portland, Maine, to blend hands-on software development with leadership responsibilities. The ideal candidate will guide a small team while designing applications that support high volume payment processing. Responsibilities include ensuring PCI compliance and conducting security assessments, in a collaborative environment focused on security and reliability. Candidates should have strong expertise in ASP.NET Core and experience with REST APIs. This role is critical in supporting daily transactions for clients.

Qualifications

• Strong proficiency in ASP.NET Core and Microsoft .NET Framework.
• Experience with REST APIs and SQL Server, including Availability Groups.
• Hands-on experience with penetration testing and security assessments.

Responsibilities

• Lead and mentor a small development team while actively coding.
• Design and maintain web applications and payment processing APIs.
• Ensure PCI Level 1 compliance and optimize performance.

Skills

ASP.NET Core

Microsoft .NET Framework

REST APIs

SQL Server

HTML

CSS

Windows Communication Foundation

Windows Services

Penetration testing

Job description

A technology recruitment agency is searching for a Senior Software Developer in Portland, Maine, to blend hands-on software development with leadership responsibilities. The ideal candidate will guide a small team while designing applications that support high volume payment processing. Responsibilities include ensuring PCI compliance and conducting security assessments, in a collaborative environment focused on security and reliability. Candidates should have strong expertise in ASP.NET Core and experience with REST APIs. This role is critical in supporting daily transactions for clients.