Principal Software Engineer - Remote, Hands-on Architecture

Harrington Starr; Remote; GBP 100,000 - 125,000; Full time

Job summary

A leading Global Payments Technology company is seeking a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to influence architectural decisions and guide the technical vision for a global payments platform. The ideal candidate will have over 10 years of experience in enterprise architecture and software engineering, specifically in .NET, with strong leadership skills. This fully remote role offers competitive salary and career progression in a fast-growing technology business.

Benefits

Fully remote working with flexible arrangements

Career progression in a fast-growing international technology business

Qualifications

• 10+ years’ experience in enterprise architecture and software engineering.
• Proven expertise in .NET with strong SaaS and API platform experience.
• Hands-on track record designing highly scalable, high-performance systems.
• Strong leadership, mentoring, and stakeholder management skills.

Responsibilities

• Define and maintain the company’s technical and architectural direction.
• Provide leadership and mentorship across multiple engineering teams.
• Drive enterprise-level design decisions, ensuring scalability and resilience.
• Contribute directly to coding activities in support of key deliverables.
• Monitor emerging technologies, influencing long-term strategic decisions.

Skills

Enterprise architecture and software engineering

.NET expertise

SaaS and API platform experience

Leadership and mentoring

Job description

A leading Global Payments Technology company is seeking a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to influence architectural decisions and guide the technical vision for a global payments platform. The ideal candidate will have over 10 years of experience in enterprise architecture and software engineering, specifically in .NET, with strong leadership skills. This fully remote role offers competitive salary and career progression in a fast-growing technology business.