Principal Software Engineer in England

Principal Software Engineer in England

England Full-Time 43200 - 72000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead the design of scalable back-end systems and mentor talented engineers.
  • Company: Join a friendly, agile, and innovative tech team.
  • Benefits: Hybrid working, competitive salary, and opportunities for continuous growth.
  • Why this job: Shape the future of cloud-native platforms and make a real impact.
  • Qualifications: Expertise in C#/.NET, AWS, and a passion for mentoring.
  • Other info: Dynamic environment with a focus on engineering excellence.

The predicted salary is between 43200 - 72000 £ per year.

Hybrid working – 3 days in office

Do you love designing scalable back-end systems and mentoring talented engineers? Want to shape the technical direction of a growing team while building cloud-native platforms using C#/.NET and AWS?

As our Principal Software Engineer, you’ll:

  • Lead critical technical decisions and promote engineering excellence across teams.
  • Design and build scalable, secure back-end services using C#/.NET, following SOLID principles and clean architecture patterns.
  • Architect cloud-native solutions on AWS, leveraging services such as Lambda, ECS/EKS, API Gateway, SQS/SNS, DynamoDB, RDS, and S3.
  • Own the full software lifecycle—from system design and implementation to deployment, monitoring, and optimisation in production.
  • Drive reliability, performance, and security using CloudWatch, X-Ray, IAM, and well-architected best practices.
  • Mentor engineers, raise the bar on code quality, and influence the technical and product roadmap.

We’re looking for someone with:

  • Deep expertise in C#/.NET and building distributed, cloud-native systems on AWS.
  • Strong experience with microservices, event-driven architectures, and RESTful APIs.
  • Hands-on knowledge of CI/CD pipelines (e.g. GitHub Actions, Azure DevOps, or similar).
  • Experience with infrastructure as code using CloudFormation, CDK, or Terraform.
  • A passion for SOLID design principles, clean code, mentoring, and continuous improvement.

Join a friendly, agile, and innovative team where your technical leadership makes a real impact—and your growth never stops.

Think big. Build resilient systems. Lead by example. Apply today!

Principal Software Engineer in England employer: Uniting Ambition

As a Principal Software Engineer at our company, you will thrive in a dynamic and supportive environment that champions innovation and technical excellence. With a hybrid working model, you can enjoy the flexibility of working from home while collaborating with a talented team in the office three days a week. We prioritise employee growth through mentorship opportunities and continuous learning, ensuring that your contributions shape not only our products but also your career trajectory.
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Contact Detail:

Uniting Ambition Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Software Engineer in England

✨Tip Number 1

Network like a pro! Reach out to your connections in the tech industry, especially those who work with C#/.NET or AWS. A friendly chat can lead to insider info about job openings that aren't even advertised yet.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving cloud-native solutions and microservices. This gives potential employers a taste of what you can do and sets you apart from the crowd.

✨Tip Number 3

Prepare for technical interviews by brushing up on your knowledge of SOLID principles and clean architecture patterns. Practise coding challenges and system design questions to demonstrate your expertise in building scalable back-end systems.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive and eager to join our innovative team.

We think you need these skills to ace Principal Software Engineer in England

C#/.NET
AWS
Cloud-Native Architecture
SOLID Principles
Clean Architecture Patterns
Microservices
Event-Driven Architectures
RESTful APIs
CI/CD Pipelines
GitHub Actions
Azure DevOps
Infrastructure as Code
CloudFormation
CDK
Terraform
Mentoring

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with C#/.NET and AWS. We want to see how you've designed scalable back-end systems and mentored engineers, so don’t hold back on those details!

Showcase Your Projects: Include specific examples of cloud-native solutions you've architected or built. We love seeing hands-on experience with microservices and event-driven architectures, so let us know what you've done!

Be Clear and Concise: When writing your cover letter, keep it straightforward. We appreciate clarity, so explain why you’re a great fit for the Principal Software Engineer role without fluff—just the good stuff!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity with our team!

How to prepare for a job interview at Uniting Ambition

✨Know Your Tech Inside Out

Make sure you brush up on your C#/.NET skills and be ready to discuss how you've designed scalable back-end systems. Be prepared to share specific examples of projects where you've implemented SOLID principles and clean architecture patterns.

✨Showcase Your Cloud Expertise

Familiarise yourself with AWS services like Lambda, ECS/EKS, and DynamoDB. During the interview, highlight your experience in architecting cloud-native solutions and how you've leveraged these services to solve real-world problems.

✨Demonstrate Leadership and Mentorship

Since this role involves mentoring engineers, think of instances where you've guided others or improved team performance. Be ready to discuss your approach to raising code quality and how you influence technical decisions within a team.

✨Prepare for Problem-Solving Questions

Expect to tackle questions that assess your problem-solving skills, especially around reliability, performance, and security. Brush up on best practices for monitoring and optimisation in production, and be ready to explain how you've applied these in past roles.

Principal Software Engineer in England
Uniting Ambition
Location: England

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