Senior Frontend Engineer

About Us

We are passionate industry experts in the property risk, compliance and safety management industry providing our leading end-to-end solution QUOODA – A platform for property owners and managers to maintain and manage a single source of truth for their complete property portfolio, covering commercial, residential, education, health, financial, tech, and telecoms sectors.

The Role

Senior Frontend Engineer (August 2025) – United Kingdom (Remote). We are undergoing a technology transformation which includes migrating our platform to Microsoft Azure and conducting several re-architecture changes to utilise the power and efficiency of the tools that this platform provides. To enable the acceleration of this, we are seeking a dynamic, experienced, and motivated Senior Frontend Engineer to join our team. The ideal candidate will have extensive experience with Microsoft Blazor and other .NET technologies and Microsoft Azure, demonstrate strong leadership abilities, and possess a passion for mentoring junior and mid-level engineers. As a Senior member of the team, you will own and manage projects within your team, ensuring timely delivery and high-quality outcomes.

Our Team Our team is focused on delivering an industry leading platform for our users and providing them with the right features to simplify their tasks. To do this, the team is fully cross-functional and follows agile best practices in a highly collaborative environment - Taking ownership of the platform architecture, infrastructure, and application lifecycle following the ‘Build It, Ship It, Own It’ philosophy. We currently have several teams made up of engineers, testers, and product owners, and are expanding these as we move closer to our scalability and growth targets. This is an exciting time to join our team, as there are great opportunities to make your mark and influence how we do things as we progress with our expansion.

Key Responsibilities

• Technical Leadership: Participate in the design of complex scalable, secure, and high-performance software solutions. Lead the development and deployment of projects, fostering a collaborative and high-performance environment.
• Project Management: Collaborate closely with the Team Lead to refine and prioritize new features. Oversee the implementation of projects that you are running, maintaining a high standard of quality.
• Hands-On Development: Actively participate in coding, code reviews, and technical problem-solving. Design and develop Blazor based Web UI using Fluent UI. Experience integrating JavaScript libraries into Blazor is advantageous. Contribute to the development of robust and scalable features using Microsoft .NET and Azure technologies. Exposure to integrating AI into Business Applications. Ensure best practices in software development, including CI, testing, and deployment.
• Mentorship and Knowledge Sharing: Mentor junior and mid-level developers, promoting continuous learning and improvement within the team. Stay current with emerging technologies and industry trends, sharing insights and best practices with the team and wider business. Embrace and promote our Build-It, Ship-It, Own-It philosophy within the team. Foster a culture of ownership, accountability, and continuous improvement.
• Collaboration and Communication: Work closely with the Team Lead and other team members to ensure alignment and effective communication. Participate in team meetings, provide status updates, and contribute to team decision-making processes.

Requirements

• Proven experience as a senior member of a software engineering team.
• Solid exposure to Blazor UI and Fluent UI library
• Strong proficiency in Microsoft .NET technologies and experience with Microsoft Azure.
• Strong experience and passion for leading, mentoring, and developing junior and mid-level engineers.
• Outstanding interpersonal and communication skills, with the ability to motivate and inspire others.
• Solid understanding of Agile methodologies and backlog management, ideally using Azure DevOps.
• Any exposure to MAUI and Blazor MAUI Hybrid is an advantage.
• A keen interest in staying up to date with the latest industry trends and technology.
• A curious mindset with a passion for learning and sharing knowledge.
• Demonstrated ability to work effectively in a cross-functional team environment.

Benefits

• Competitive salary (depending on experience).
• 25 days annual leave (excluding UK bank holidays).
• 5% Matched company pension.
• Vitality private health insurance (includes Vitality membership).
• 4x salary life cover.
• Perk Pal retail discounts.
• Regular virtual and in-person social events.
• Paid Azure certification exams.

Interview Process

If this role sounds of interest we are looking forward to hearing from you. Our recruitment process consists of a 2-hour video call with the Director of Engineering and depending on the role, either a member of the team that you will be joining, or a Team Lead from one of our other teams. We like to keep the interviews very informal; we want to get to know the real you, and how you will fit into the team and culture, and likewise, for you to get to know us in the same way.

The interview is split into four parts:

• Part 1: Introductions – You will provide an introduction about yourself and a summary of your experience and previous roles. We will introduce who we are, what Sustainware does, and the journey that you may choose to be a part of.
• Part 2: Your Questions – Your opportunity to ask questions about the team, business, our journey, etc.
• Part 3: Pair programming exercise – You will share your screen and pair with the engineer on the call to work through a set of requirements provided by the Director of Engineering, writing code to explain how you would meet these requirements.
• Part 4: Technical/Role Related Questions – You will be asked a series of questions that will get progressively more detailed on technologies, best practices, and role specific topics.

If this sounds interesting, Sustainware is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Additional Details

London, England, United Kingdom

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