Principal Software Engineer

• 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.

Benefits of the role:

• Fully remote working with flexible arrangements.
• Senior leadership role with influence over enterprise-wide architecture.
• Opportunity to balance hands-on coding with strategic direction.
• Work on complex, high-performance systems at global scale.
• Career progression in a fast-growing international technology business.

• 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.

Fully Remote | Permanent | £85,000 - £115,000

Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping the technical vision for a global, real-time payments platform.