Principal Software Engineer - Remote, Hands-on Architecture

Harrington Starr; Remote; GBP 70,000 - 90,000; Full time

Job summary

A leading Global Payments Technology company in the United Kingdom is seeking a Principal Software Engineer for a fully remote, permanent position. This role offers a unique opportunity to influence technical and architectural direction while engaging in hands-on coding. Key responsibilities include defining technical frameworks and mentoring teams. The ideal candidate will have over 10 years of experience in enterprise architecture and a strong background in .NET and SaaS. A competitive salary and benefits package are offered.

Benefits

Flexible working arrangements

Career progression opportunities

Work on complex, high-performance systems

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

.NET

SaaS

API platform experience

Leadership

Mentoring

Stakeholder management

Job description

A leading Global Payments Technology company in the United Kingdom is seeking a Principal Software Engineer for a fully remote, permanent position. This role offers a unique opportunity to influence technical and architectural direction while engaging in hands-on coding. Key responsibilities include defining technical frameworks and mentoring teams. The ideal candidate will have over 10 years of experience in enterprise architecture and a strong background in .NET and SaaS. A competitive salary and benefits package are offered.