Senior Software Engineer
Location: UK (Aligned with our Marlow office)
Salary: £90,000
Our clients aren’t just building software—they’re transforming the way teams collaborate. As a Senior Software Engineer, you’ll be at the forefront of their AI-powered platform, Connect, crafting modern, scalable web experiences that drive real business impact.
They’re seeking an analytical, innovative, and collaborative engineer with a passion for high-quality software, strong engineering principles, and a methodical approach to problem-solving. If you thrive at the intersection of engineering excellence and elegant design, this role is for you.
What You’ll Do
* Develop and scale modern web applications using C#, .NET Core, CosmosDB, and Redis
* Design, build, and refine RESTful APIs for seamless data integration
* Create engaging, high-performance frontend experiences with React, JavaScript, HTML, and CSS
* Influence system architecture, contributing to design discussions and proposing innovative solutions
* Lead and participate in code reviews, driving best practices and high engineering standards
* Collaborate with UX Designers, Product Managers, and Engineers to deliver impactful new features
* Enhance automated testing using tools like Jest, Playwright, and Vitest
* Mentor and support junior engineers, fostering a culture of learning and collaboration
* Continuously improve software quality, security, and performance
What You’ll Bring
* Strong C# skills with .NET Core and cloud-based backend technologies (CosmosDB, Redis)
* Expertise in JavaScript, React, and modern frontend technologies
* Experience building RESTful APIs and responsive, mobile-first web applications
* Deep understanding of asynchronous JavaScript and core browser concepts
* Proficiency with test automation tools (Jest, Playwright, Vitest)
* Agile mindset—comfortable in fast-paced, iterative development cycles
* Experience with Docker, Kubernetes, Microsoft Azure, or AWS
* Familiarity with microservices architecture