Senior Fullstack .NET Engineer

Role Description

Our Partnerships and Payroll team is growing. We’re looking for an amazing Intermediate Software Development Engineer (.Net) to join us as we scale our products and features, and take on interesting technical challenges. Please keep in mind that this is a CIM contract.

This role will help us continue the development and modernizing of our Payroll system, where we’re on a journey of moving to a service-oriented and microservices mixed architecture, following our .Net Core migration. You’ll be able to learn from our cross-functional teams, including working with geographically distributed teams. You’ll accelerate your career quickly working with smart people across the UK and APAC in a fully remote, flexible environment.

As a Senior Full Stack Engineer, you will balance core technical development with an evolving approach to features, ownership, and collaborative problem-solving. Your key focus areas will be:

• End-to-end development for new and current cloud-based applications, from working on the technology roadmap with Product Owners, designing solutions with your squad, new feature development, through to production, improving/optimizing and maintenance.
• Debug and perform root cause analysis for application issues.
• Take initiative in recommending improvements to the development process.
• Proactively identify application pain points and suggest mitigation strategies.
• Perform peer reviews of code changes.
• Perform testing of new features/enhancements/bug fixes.
• Maintain documentation and help articles for new/updated features.
• Provide training sessions for the support team for new features.
• Work closely with business stakeholders within an agile environment.

Qualifications

• 7+ years of backend development experience with C#, .NET Core/.NET 6+
• Experience at a product-focused startup/scale-up or technology company
• Proven experience designing and building RESTful APIs and services using ASP.NET Core
• Experience working with event-driven architectures and messaging systems
• Strong ability to write modular, reusable, and testable code that adheres to best practices
• Solid understanding of both relational (e.g., SQL Server) and non-relational (e.g., NoSQL) databases
• Familiarity with containerization (e.g., Docker) and CI/CD pipelines
• Proficiency with Git and modern version control workflows
• Experience with ORM frameworks, such as NHibernate or Entity Framework
• Experience with dependency injection frameworks, such as Castle Windsor, Autofac, or Ninject
• Experience building user interfaces with JavaScript, TypeScript, and modern frontend frameworks such as React, Angular, or Vue
• Understanding of frontend architecture, component design, and state management
• Ability to write clean, accessible, and responsive UI code
• Comfortable working across the full stack to deliver end-to-end features

Soft Skills

• Strong communication and collaboration skills
• Ability to work autonomously and within cross-functional, distributed teams
• A proactive mindset with a focus on delivering customer value

Benefits

• Work remotely, with the flexibility to own your time and impact
• Access cutting-edge tools to amplify your work, knowledge, and outputs
• Surround yourself with ambitious, outcome-driven colleagues who challenge you to do the best work of your life
• Very generous paternity leave policy
• Subsidised egg freezing
• WFH office expense budget
• Outstanding learning & development opportunities