What You'll Do

• Design and build critical features across Constantinople's core platform, taking end-to-end ownership from architecture through to production
• Drive and deliver architectural improvements across projects, raising the engineering bar for the team
• Collaborate with product, design, and data teams to solve complex technical challenges with pragmatic, well-considered solutions
• Contribute to cross-team engineering initiatives and help establish best practices across the organisation
• Improve internal tooling to enable data-driven analysis and reporting for the wider Constantinople team
• Support a secure, performant, and highly reliable platform — and take shared responsibility for keeping it that way
• Mentor and support fellow engineers, sharing knowledge and helping the team grow
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Who You Are

• You have 5+ years of professional software engineering experience, with a track record of owning significant systems in production
• You have deep understanding of software design principles and scalable systems architecture
• You have hands-on experience with Node.js and TypeScript in production environments
• You are comfortable working across the stack — familiarity with React or React Native is a strong plus
• You have experience with serverless AWS architectures (Lambda, API Gateway, DynamoDB, etc.) — this is highly desirable
• Exposure to Domain-Driven Design or event-driven architectures is a bonus
• You bring a collaborative mindset: you know when to lead, when to listen, and how to bring others along
• You have experience or interest in fintech, banking, or regulated environments — though this isn't a hard requirement