Senior Software Engineer

Job title: Senior Software Engineer

Location: Full Remote (Very occasional travel to offices in Cheshire)

Type: Contract / Outside IR35 / 6 months initial duration + possible renewals

About the Role

We re looking for Senior Software Engineers to join our client's dynamic Engineering team and play a key role in building high-quality, scalable software solutions.

As a senior member of the team, you ll take ownership of full-stack development, contribute to software architecture, drive engineering best practices, and mentor junior team members. You ll work closely with Product Owners, Architects, and DevOps to ensure delivery excellence across a diverse range of projects.

What You'll Be Doing

Software Development

• Design, build and maintain applications using C#, .NET Core, .NET 4.x, and React.js
• Design and implement RESTful APIs and Web APIs following best practices
• Use SQL Server, Entity Framework, and SQL for efficient data management
• Apply design patterns like OOP, SOLID, and Clean Code to write scalable code

Engineering & Architecture

• Deliver high- and low-level estimations for projects
• Ensure software quality through unit and integration testing
• Perform code reviews and participate in pair programming
• Architect scalable, secure systems, including OAuth and SSO integrations

Cloud & DevOps

• Deploy and manage apps in Microsoft Azure using services like Blob Storage, Functions, and Service Bus
• Use Git for version control and Azure DevOps for CI/CD with YAML pipelines

Collaboration & Communication

• Work cross-functionally with Product Owners, Architects, and other teams
• Share progress and blockers proactively
• Communicate technical concepts clearly to both technical and non-technical audiences

Leadership & Mentoring

• Mentor junior developers and share knowledge through team sessions and tech talks
• Contribute to community events and guilds to enhance engineering culture
• Help in identifying and resolving technical debt

Project Delivery

• Lead delivery of large-scale features with minimal support
• Accurately estimate and manage work against timelines
• Participate in Agile ceremonies and planning

What We re Looking For

Must-Have Experience:

• 5+ years in software engineering roles
• Highly Proficiency in C#, .NET Core, React.js, and SQL Server/SQL
• Strong background in building scalable backend systems and modern frontends (React)
• Experience with Azure cloud services and CI/CD pipelines

Preferred:

• Experience with Agile methodologies
• Prior team mentoring experience
• Familiarity with OAuth, SSO, and application security