Principal C# Engineer - Real-Time Trading Platform Leader

Harrington Starr

Newcastle upon Tyne

Hybrid

GBP 99,000 - 121,000

Full time

6 days ago

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Benefits offered by this job

Hybrid and flexible working

Private Medical Insurance and Life Ins

Pension and Employee Assistance

25 days annual leave

Job summary

Harrington Starr is partnering with a leading financial technology firm to hire a Principal C# Software Engineer in Newcastle. The role focuses on real-time trading technology, platform modernisation and re-architecture, combining hands-on engineering, architecture and mentoring.

The successful candidate will shape technical strategy, lead platform development through to production, and drive improvements in automation, observability, and CI/CD while collaborating with Engineering, Product and

Qualifications

Must have strong C#/.NET software engineering experience.
Deep understanding of real-time and low-latency architectures.
Experience leading modernization, migration or re-architecture programmes.
Experience with cloud-native architectures, APIs, event-driven systems and CI/CD.

Responsibilities

Shape the technical roadmap and platform re-architecture strategy.
Lead platform development through to production and improve scalability, resilience and performance.
Drive improvements across automation, observability, CI/CD and developer productivity.
Partner with Engineering, Product and Operations to deliver practical technical solutions.
Mentor engineers and champion engineering standards, best practices and continuous improvement.