Senior Full-Stack Developer

Slipcase
London

The Role

For the past 8 years, we have worked in partnership with a top-tier development agency to bring our vision to life and oversee the maintenance of our systems. We’re now looking for our first in-house developer to join our team; a confident, capable full-stack engineer ready to take ownership of a mature, production-ready platform and lead it into its next chapter. You’ll be at the heart of the product, working alongside a dynamic and entrepreneurial team to design, build, and ship features that thousands of professionals rely on every day. You won’t be alone; we’ll continue working with our long-term agency partner on larger projects and DevOps support. But day-to-day, you’ll be the key technical voice in the room. This is a unique opportunity to shape the future of Slipcase tech from the inside out.

What You'll Be Working On

  • Driving the evolution of our web platform and native apps
  • Leading development on new product features, from concept to deployment
  • Supporting API integrations, backend systems, and our internal machine-learning engine
  • Working directly with the business team to translate needs into scalable code
  • Balancing quick iteration with smart architecture and long-term maintainability

Our Tech Stack

  • PHP (Symfony) + MySQL + Twig
  • Native Android & iOS apps connected via a TypeScript REST API
  • Hosted on AWS with Docker containers + CDK orchestration
  • A custom-built machine learning/NLP engine for smart content curation
  • Integration with multiple third-party APIs for distribution and analytics

About You

You’re not just a developer —you're a problem solver, architect, and tech lead rolled

into one.

  • Experience writing clean, PSR-compliant, SOLID code
  • Confident working independently, from scoping out features to pushing them live
  • Experience with full-stack development (especially in our stack!)
  • Keep performance, uptime, and data security top-of-mind
  • Comfortable updating documentation, expanding test coverage, and helping with our ISO27001 compliance journey where needed.

Bonus Points if you:

  • Have got AWS certifications or strong hands-on experience with AWS tools
  • Are open to manage occasional out-of-hours deployments (with the freedom that comes with it!)

What We Offer

  • The chance to own and evolve a mature, production-ready platform
  • Real autonomy and input into the product roadmap and technology choices
  • A flexible work setup (hybrid, or office-first - you decide)
  • Be the first in-house dev and help shape the future tech team
  • Work at a company where tech is at the heart of the business, not an afterthought
  • Lead developer, but with the support and experience of a team of experts by your side.

Posted 2025-05-21

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