Senior Backend Developer

• Work with a range of technologies to develop new websites and applications, and maintain and enhance existing ones
• Endeavour to exceed client expectations, where possible and support the more junior members of the Development team to achieve this goal
• Communicate effectively, both verbally and in writing, complex user journeys, concepts and creative ideas, demonstrating the rationale and consideration
• Meet deadlines set and communicate any issues in a timely way, with proposed solutions, should they arise
• Take control of critical support issues, providing advice and support, putting into place the correct escalation and process to manage and resolve issues as soon as possible
• Demonstrate an understanding of the digital landscape and a love for technology
• Understand our clients, their businesses, preferences, and needs
• Establish a clear and efficient internal dialogue with the Delivery Team
• Work collaboratively across the whole Yoyo team

• This role is based in our Tunbridge Wells office but we can offer local remote working options and flexible hours
• We are looking for someone who will be an active part of the Yoyo family and participate in agency wide meetings (e.g. Town Hall, Company meetings)

• 5+ years of development experience
• An eye for detail, and the ability to realise a design with a high degree of accuracy
• Excellent interpersonal skills to help build strong colleague and client relationships at all levels
• Write clean, healthily structured, and well documented code, which is fully tested and error-free, and ensure the Development team adhere to these standards
• A proven track record of successfully developing websites and applications
• Strong experience developing in C# with .NET (Core) and/or .NET Framework
• Knowledge of developing for a CMS, specifically Umbraco
  • If Umbraco, knowledge of extending the backoffice, creating custom datatypes etc.
• Experience integrating with third-party APIs
• Knowledge of creating an API
• Knowledge of setting up a server to host a .NET application
• Experience deploying a .NET web application (IIS, CI/CD, Azure, AWS, Octopus Deploy etc.)
• Experience working/integrating with databases, specifically SQL
• Some experience in writing tests for your code
• Good knowledge of HTML development, especially understanding the need for semantically accurate markup
• Knowledge of CSS/SASS, JavaScript/TypeScript, and build tools and preprocessors (NPM, Vite)
• Working knowledge of version control systems, specifically Git (Bitbucket and GitHub)
• A thorough understanding of web development standards and best practices, especially relating to accessibility and SEO

• Consistently hit agreed KPIs set by the Head of Development within your performance reviews
• Deliver quality work within time and budget
• Show clear signs that you are a thought leader in digital development through attending various external-facing events and contribution to developing internal tools, processes and marketing (blog posts, etc.)
• Regularly demonstrate efficient/smart working practices, and review practices to ensure they are as efficient and smart as possible
• Receive positive feedback from colleagues and clients
• Be curious, be innovative, ask questions, and challenge the status quo
• Be seen as an integral part of Yoyo culture

Yoyo are proud to be a certified B Corporation which means we are a business that meets the highest standards of verified social and environmental performance, public transparency, and legal accountability to balance profit and purpose. 

Working for Yoyo as a B Corp offers our team the following benefits:

• A sense of purpose
• Being part of something bigger than one individual, bigger than the team, bigger than the company
• Working for and alongside people who share the same values
• A sense of constantly challenging ourselves, collectively and individually, to be better
• A sense of pride to ‘wear the B Corp badge’
• Regular opportunities to support the local community
• Knowledge that everything we do, buy, use, consume has the good of the environment in mind