Lead Software Engineer
Immersum
Job Description
Lead Full-stack Engineer | Digital Product Studio London (Hybrid) £75,000 – £100,000 + benefits Permanent We’re partnering with an award-winning digital product studio known for building beautifully crafted, human-centred digital products for global clients. With a strong reputation across design, product and engineering, they deliver impactful work across the full product lifecycle — from early discovery through to large-scale builds. They’re now looking for a Lead Full-stack Engineer to play a key role in shaping and delivering high-quality digital products.
The Role This is a hands-on technical leadership position , combining full-stack development with ownership of technical direction across projects. You’ll: Lead the design, development and delivery of scalable digital products (frontend, backend & infrastructure) Drive technical direction , ensuring solutions are robust, secure and performant Stay close to the code, acting as a senior technical authority within the team Collaborate with Product, Design and Delivery to balance quality, timelines and budgets Engage directly with clients, shaping technical approaches and communicating solutions clearly Mentor engineers and help uplift team capability and standards What They’re Looking For Strong experience building modern full-stack applications (JS/TS/Node or similar) Deep knowledge of at least one modern frontend framework ( React, Vue, Next.js ) Experience designing and delivering scalable, cloud-based systems (AWS, Azure or GCP) Strong understanding of API design (REST/GraphQL), databases and system architecture Experience with CI/CD, infrastructure as code (e.g. Terraform) and automated testing Ability to design for non-functional requirements (performance, scalability, security, accessibility) Comfortable working in agile environments and leading technical discussions with varied stakeholders Nice to Have Experience with AI-assisted development or building AI-enabled features Exposure to accessibility (WCAG) or system design at scale Interest in emerging technologies and evolving engineering practices Why This Role?
Genuine ownership of technical delivery and direction Opportunity to work on complex, meaningful digital products Collaborative, cross-functional environment with strong design and product culture A studio that values craft, curiosity and continuous learning If you’re a hands-on Lead Engineer who enjoys solving complex problems and building impactful products, this is a great opportunity to step into a high-impact role. Apply via the link or reach out for a confidential conversation.