Senior Software Engineer

Burns Sheehan is partnering with a fast-growing UK SaaS business operating in the B2B space. With customer-facing products at the heart of their growth, the business is looking for an experienced Senior Software Engineer to help drive the design and delivery of its next generation of software. The role offers the opportunity to get involved early, challenge assumptions, explore solutions and take ownership from initial design through to production. Remote-first, with monthly or quarterly onsite days in Manchester.

Responsibilities

Shape technical direction: Lead solution design, scoping and architectural decisions, balancing customer needs with long-term maintainability and scalability; Stay hands-on: Design, build and ship production software across a modern full-stack environment, with TypeScript and Node.js at its core; Turn ideas into delivery: Work with product and business stakeholders to break down complex requirements into clear, deliverable increments; Explore the unknown: Prototype solutions, run technical spikes and validate architectural approaches before committing to a direction; Raise engineering standards: Champion clean code, SOLID principles, design patterns, automated testing and secure development practices; Own what you build: Take responsibility for the quality, performance and operability of your systems, including supporting live products and resolving production issues; Evolve the way software is built: Explore AI-enabled and agentic development workflows to improve engineering efficiency without compromising quality

Requirements

Strong TypeScript and Node.js skills, with experience designing and delivering production systems; A solid understanding of software design principles, automated testing, CI/CD and production support; Experience building secure, maintainable and performant systems at scale