Software Engineer (.NET)
About the Role
As a mid-level Software Engineer, you will help shape how this new squad operates, collaborates, and delivers outcomes from day one.
Team Culture
What It Really Feels Like Here
We are a high-accountability, high-performing, fast-paced engineering function. Our ways of working prioritise rapid experimentation and rapid learning.
We fail early, learn fast, and iterate quickly. You’ll thrive here if you enjoy:
- Clear ownership and end-to-end responsibility
- A pace that keeps you engaged and energised
- Direct, transparent communication
- Solving problems quickly without unnecessary process
- Working in an environment where improvement never stops
We protect focus time, reduce meetings to the essentials, and build a psychologically safe space where problems are surfaced early so they can be fixed early.
Hybrid role – 3 days in office, 2 days at home
Key Responsibilities
- Design, build, and maintain scalable services using Python (FastAPI) hosted on AWS
- Develop and integrate AI-powered services, connecting with LLMs, vector databases, or ML models to extend product capabilities
- Translate business and technical needs into well-architected, production-ready solutions delivered at pace
- Define and manage infrastructure as code using the AWS Cloud Development Kit (CDK) for secure, automated deployments
- Implement observability and monitoring using AWS CloudWatch, X-Ray, and related tooling to ensure service reliability
- Develop CI/CD pipelines using GitHub Actions, Azure DevOps, or equivalent to enable automated testing and continuous delivery
- Collaborate with cross-functional teams (platform, AI, product, and data) to design and integrate service-oriented solutions
- Ensure code quality and reliability through unit, integration, and contract testing, code reviews, and best practices
- Contribute to reusable frameworks and libraries, helping accelerate development across the wider engineering organisation
- Champion a “build fast, build right” mindset, delivering services that are production-grade from day one
Must Have
Sage Benefits
- Competitive base salary and commission structure
- Comprehensive health, dental and vision coverage
- Work away scheme for up to 10 weeks a year
- On-going training and professional development
- Paid 5 days yearly to volunteer through our Sage Foundation
- Flexible work patterns and hybrid working
Function: Service Fabric (Data and Developer Services)
Country: United Kingdom
Office Location: Newcastle
Work Place Type: Hybrid
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Working at Sage
Working at Sage means you’re supporting millions of small and medium sized businesses globally with technology to work faster and smarter. We leverage the future of AI, meaning business owners spend less time doing routine tasks, like entering invoices and generating reports, and more time pursuing their ambitions.
Our colleagues are the best of the best. It’s why we were awarded 2024 Best Places to Work by Glassdoor. Because to achieve extraordinary outcomes, we need extraordinary teams. This means infusing Sage with people who knock down barriers, continuously innovate, and want to experience their potential.
Learn more about working at Sage:
sage.com/en-gb/company/careers/working-at-sage/
Watch a video about our culture:
youtube.com/watch?v=qIoiCpZH-QE
We celebrate individuality and welcome you to join us if you embrace all backgrounds, identities, beliefs, and ways of working. If you need support applying, reach out at careers@sage.com.
Learn more about DEI at Sage:
sage.com/en-gb/company/careers/diversity-equity-and-inclusion/
