Senior Backend Engineer London, England, United Kingdom

When you join Exclaimer you will join a global award-winning SaaS provider with an exceptional revenue rate, ambitious growth plans, and an inclusive and outcomes-driven culture.

Not heard of us? We provide world-class digital solutions that let organizations of any size achieve brand consistency, legal compliance, and customer engagement on any device. Designed for Microsoft 365, Google Workplace, and Microsoft Exchange, our solutions are used by over 60,000 customers in 150+ countries. Some of these customers include renowned companies such as Sony, Mattel, Bank of America, NBC, the Government of Canada, the BBC, and the Academy Awards. We have over 300 employees worldwide with our primary offices based in Boston in the US, and London / Farnborough in the UK.

We're officially Great Place To Work Certified

• Be an individual contributor, implementing high quality, well tested and peer reviewed solutions, setting an example to the team around you. Implementing clean and consistent peer reviewed technical designs.
• Lead and mentor software engineers, including providing technical guidance and code reviews, and fostering a culture of collaboration and continuous improvement.
• Working as part of small focused agile development team owning the full software life cycle, from design through implementation, test to deployment and monitoring in production.
• Design and develop software for the end-to-end testing lifecycle including; tools, frameworks and automated tests.
• Applying your specialist technical knowledge to create/modify solutions that are able to serve millions of requests every day.
• Create clean, efficient and testable code, in line with company coding standards. Actively seek to improve the performance, code quality and architecture of the solution.
• Continuously drive improvement within yourself and the team, by putting forward improvements to technology stack and processes.
• Support the propagation of knowledge and skills through the development team and help to drive improvements to technical best practices.
• Help to define the technical approach and leading day to day initiatives in the development team. Working with the other engineers, engineering managers and staff engineers to ensure technical approach is in line with technical strategy and industry best practices.

Skills, knowledge, and expertise

• Be a hands on back-end engineer utilizing the latest version of .NET and C#, with a strong knowledge of development and technical principles, methodologies, and values.
• An experienced and driven individual contributor with the knowledge and skills to guide technical direction, unblocking the development team, and act as a point of technical escalation and knowledge within the team.
• Experience of key technologies utilized by Exclaimer; C#, .NET, Docker, Microservice Architecture, Unit and Automation testing, Azure (Storage, AKS, SQL, Service Bus and more), and Monitoring (Datadog)
• Deep diagnostics and debugging skills to identify root cause of issues and provide robust solutions to the issues identified.
• Experience of working in a Senior or Leadership role in a fast-paced SaaS business to achieve high frequency incremental delivery of customer facing functionality.
• Experience of SMTP, MIME, email processing, and high-performance C# applications is desirable.
• Experience of creating and maintaining high throughput backend services to the core operations of a 24/7 SaaS product.
• Ability to work closely with Product Management and Engineering Managers to identify the solution to the customer/technical problem and break down the work into small incremental deliveries.
• Can establish trust and build relationships with engineers, peers, and stakeholders across the business; you will be able to communicate clearly and succinctly without ambiguity.

At Exclaimer, we're proud to offer a benefits package that reflects our commitment to supporting you professionally, personally, and wherever life takes you.

Alongside competitive pay, you'll have access to generous paid time off, flexible working options including our XFlex programme and a "work from anywhere" allowance - plus enhanced leave for all new parents, regardless of gender, family structure, or path to parenthood. Our wellbeing offering includes comprehensive healthcare coverage, fully funded insurance and income protection, access to 24/7 virtual care, and mental health, legal and financial support through employee assistance programmes. We help you plan for the future with contributory retirement plans and savings support, and back your day-to-day wellbeing with perks like subscriptions to Calm and Blinkist, fitness and lifestyle credits, global travel assistance and a wide range of discounts. Wherever you're based, you'll find that Exclaimer's benefits are designed to help you thrive: at work and beyond.

At Exclaimer, inclusion is more than a policy - it's part of who we are.

We're proud to be an equal opportunity employer and welcome applications from people of all backgrounds, experiences, and identities. We consider all candidates fairly and without discrimination irrespective of ethnicity, race, religion, nationality, age, gender, marital status, disability, neurodivergence, caring responsibilities, sexual orientation, or gender identity. We're building a culture where everyone feels they belong and can thrive, and we'd love for you to be part of it. If you require any reasonable adjustments or support through the application or hiring process, please email the team in confidence via to let us know.

We want everyone to feel comfortable and supported throughout the recruitment process. If you'd like to discuss any reasonable adjustments, please don't hesitate to get in touch with our team via