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Harrington Starr

Principal Software Engineer

Remote

United kingdom

£ 110,000 /year

Senior

Full Time

18-11-2025

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Skills

Leadership Stakeholder Management Architecture Enterprise Architecture .NET

Job Specifications

Principal Software Engineer

Fully Remote | Permanent | Competitive Salary + Benefits

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.

Key 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.

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.

Key skills required:

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.

For any additional questions, please contact me via LinkedIn or through email - ollie.bluck@harringtonstarr.com.

If you feel this role is the right one for you, please apply below!

About the Company

Harrington Starr is a multi-award winning financial technology recruitment business based in London, Belfast and New York City. Founded in 2010, we are specialists in technology, change & transformation and sales recruitment and have helped clients and candidates across 5 continents. Our diverse range of clients include banks, hedge funds, vendors, service providers, payment providers, asset managers, start-ups, disruptors and many more. The one thing they have in common though is that they trust Harrington Starr with their... Know more