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Senior Software Engineer

NewDayLondon, United Kingdom
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As a Senior Software Engineer, you play a pivotal role in designing, developing, and maintaining high-quality software solutions. You collaborate closely with cross-functional teams, provide mentorship to other engineers, and contribute to the continuous improvement of engineering practices. Your expertise ensures the delivery of secure, reliable, and scalable products that align with business objectives.


How you’ll contribute

  • You’ll be part of the Engineering Excellence domain. We build the internal tools, services, and infrastructure that enable our engineering teams to ship safely and quickly.
  • Hands-on programming work – coding, pair programming, mobbing, testing and shipping functionality.
  • You will be acting as a technical lead and working with Principal Engineers and Lead Engineers to design, build and deliver platform capabilities for other teams to use.
  • Leading complex features from conception to completion with high quality and minimal oversight.
  • Mentoring less-experienced engineers and conducting thorough reviews of code and documentation.

We're looking for these essential skills

  • Writing and maintaining tests throughout the SDLC at all levels.
  • Implementing continuous delivery practices to ship quality code safely and in a timely manner.
  • Contributing to system architecture decisions, ensuring resiliency, scalability and maintainability.
  • Thrives in autonomous, agile environments where innovation happens daily.
  • AI-conscious – habitually using tools like Copilot, understanding their pros and cons, and able to guide others in safe, effective use.
  • Strong communication skills – written and verbal. Clarity in documentation, proposals, and conversations. Able to surface the effects engineering decisions have across systems and push back against potential red flags.
  • Enabler mindset – enjoys making other engineers happier through tooling, services and documentation. Honest, pragmatic, and open to feedback.
  • Experience with observability, metrics, CI/CD, data analysis, or shared developer tooling. No on call required.

Its a plus if you also have these skills

  • Crafting modern .NET applications in C# and designing robust REST APIs
  • Navigating Platform-as-a-Service (PaaS) cloud computing environments, we use Azure.
  • .NET/C# or polyglot engineers with pragmatic system thinking – interested in abstracted system-level understanding over any specific tech stack.
  • Contributing to engineering principles and technical direction across teams.
  • Experience recruiting and onboarding engineers

View all remote jobs at NewDay

FAQ

Is the Senior Software Engineer position at NewDay remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Senior Software Engineer job posted?
This listing was posted on April 15, 2026 and is still open for applications.
How do I apply for the Senior Software Engineer position at NewDay?
Use the apply button on this page — it takes you directly to the employer’s application page.

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