Senior .NET Technical Lead – Remote, Ireland

GCS Recruitment Specialists; United States; Hybrid; USD 101,000 - 135,000; Full time

Job summary

GCS Recruitment Specialists is seeking a Senior .NET Technical Lead to own the technical direction of business-critical Microsoft applications in a hybrid/remote Ireland environment, with occasional travel to sites.

The role combines technical leadership, application support, delivery of enhancements, and stakeholder engagement in a fast-paced production setting. You will mentor developers and drive best practices across teams.

Qualifications

• 8+ years of commercial software development experience.
• Strong .NET / ASP.NET and modern .NET development expertise.
• Strong SQL Server development and performance optimisation skills.
• Experience with APIs, web services, and system integrations.
• Experience supporting business-critical production applications.
• Strong troubleshooting, debugging, and root-cause analysis skills.
• Experience with CI/CD, release management, and deployment processes.
• Previous Technical Lead, Lead Developer, or Senior Engineer experience.

Responsibilities

• Own the technical direction, support, and ongoing development of .NET applications.
• Lead application transition and knowledge-transfer activities.
• Investigate and resolve complex production issues.
• Design and deliver enhancements, integrations, and change requests.
• Review architecture, code quality, and technical debt.
• Provide solution designs, technical estimates, and recommendations.
• Lead code reviews, releases, and deployment activities.
• Mentor developers and promote engineering best practices.
• Support roadmap planning and continuous improvement initiatives.

Skills

Leadership

.NET

ASP.NET

SQL Server

API / Web services

CI/CD

Troubleshooting

Mentoring

Production support

Architecture reviews

Tools

No tools specified

Job description

Senior .NET Technical Lead

Remote / hybrid within Ireland, with occasional travel to sites as required.

Fixed term contract (sponsorship is not provided)

Overview

We are seeking an experienced Senior .NET Technical Lead to take ownership of business-critical Microsoft applications and services. This role combines technical leadership, application support, enhancement delivery, and stakeholder engagement within a fast-paced production environment.

Key Responsibilities

• Own the technical direction, support, and ongoing development of .NET applications.
• Lead application transition and knowledge-transfer activities.
• Investigate and resolve complex production issues.
• Design and deliver enhancements, integrations, and change requests.
• Review architecture, code quality, and technical debt.
• Provide solution designs, technical estimates, and recommendations.
• Lead code reviews, releases, and deployment activities.
• Mentor developers and promote engineering best practices.
• Support roadmap planning and continuous improvement initiatives.

Essential Experience

• 8+ years of commercial software development experience.
• Strong .NET / ASP.NET and modern .NET development expertise.
• Strong SQL Server development and performance optimisation skills.
• Experience with APIs, web services, and system integrations.
• Experience supporting business-critical production applications.
• Strong troubleshooting, debugging, and root-cause analysis skills.
• Experience with CI/CD, release management, and deployment processes.
• Previous Technical Lead, Lead Developer, or Senior Engineer experience.

Additional Experience Valued

Experience with .NET Framework 4.8, .NET 8, Angular, SSRS, mobile applications, identity management, secure B2B integrations, or application transition projects would be beneficial.

GCS is acting as an Employment Business in relation to this vacancy.