Overview

Senior Software Engineer (Backend) at Sage — Newcastle, United Kingdom. This is an exciting opportunity to work on core platform-level services that are essential to all of our cloud-supported products. You’ll gain deep domain and product knowledge, collaborating with multiple teams across the business. The APIs you’ll build will be highly scalable and present a variety of technical challenges. We make extensive use of GitHub Copilot to help deliver high-quality, maintainable code. You’ll also have opportunities to lead projects, working closely with architects and stakeholders to deliver impactful solutions.

Role Summary

As a Senior Software Engineer (Backend), you will be responsible for designing, building, enhancing, and maintaining products and systems aligned with Sage’s business goals and architectural standards. You’ll play a key role in delivering high-quality, scalable solutions that exceed customer and business expectations, while also sharing expertise on technical solutions and business processes within your domain.

Key Points

• Work on mission-critical platform services used across our cloud ecosystem.
• Exposure to scalable API development and a variety of technical challenges.
• Opportunity to collaborate across squads and departments.
• Hands-on experience with modern tooling like GitHub Copilot.
• Potential to lead initiatives and work closely with senior architects.
• You will get personal development days to upskill any tech. skills
• This is a hybrid position - you will work 3 days a week from our Newcastle office.

Responsibilities

• Design, develop, and maintain scalable, high-quality backend systems and APIs.
• Collaborate with product managers, architects, and cross-functional teams to shape robust solutions.
• Lead and contribute to the delivery of projects from concept to deployment.
• Drive technical innovation and adopt modern tools, frameworks, and practices.
• Mentor and coach junior team members.
• Maintain clear technical documentation and ensure code quality standards are met.
• Champion Agile best practices and foster a collaborative team culture.

Essential Skills (Must-Haves)

• Strong experience with C#, .NET Framework, and MySQL, delivering reliable and scalable solutions.
• Microservices
• Event-driven architecture
• Proven ability to collaborate across functions, including Product Management, QA, and other business units.
• Solid working knowledge of Agile and Scrum methodologies, with a focus on iterative development and continuous improvement.

Secondary Skills (Nice-to-Haves)

• BDD (Behavior-Driven Development)
• AWS (Amazon Web Services)

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology

Industries

• Software Development