Senior Software Developer

Reports To

Development Manager, UK

Hybrid (2 days in the office) London, England

We’re looking for a Senior Software Developer to build high-impact features powering real-time, high-volume systems. Central to our platform is a breakthrough offline-first architecture that enables seamless, reliable transaction processing, even in environments with limited or unreliable connectivity. This capability is a critical advantage in live event settings. Backed by fresh capital from top-tier investors, we’re entering an exciting phase of growth as we execute an ambitious European expansion strategy.

• Front End:
  React Native, React, Java Script
• Backend:
  Ruby, Rails, Graph
  
  QL, Postgre
  
  SQL, Redis, Couch Db
• Cloud Platform: AWS
• Tools:
  Git Hub, Sidekiq

• Strong experience with React Native and native mobile layers (Swift/Kotlin exposure is a plus)
• Solid knowledge of React, including Hooks, state management, and Redux
• Excellent JavaScript fundamentals

• Familiarity with Graph
  
  QL, Ruby on Rails
• Experience with front-end testing frameworks

• Own the technical design for projects of moderate complexity
• Deliver robust, scalable user experience projects with minimal supervision, but through collaboration with product, design, and QA
• Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices
• Architect services and systems using accepted design patterns that allow for iterative, autonomous development and future scaling
• Proactively identify technical debt before it becomes a long-term problem while balancing the effort/reward of corrective action
• Anticipate future use cases and make design decisions that minimize the cost of future changes
• Be considered the expert trouble‑shooter within your domain of expertise: lead investigations within area of specialization while maintaining a strong sense of product impact