Start: July 2026
Duration: Initial contract until Dec 2026, with extension potential
Location: London / Hybrid2 days onsite
Rate: Up to £850 per day Inside IR35
We are supporting a major UK financial services client on a large-scale payments modernisation initiative and are seeking experienced Software Engineers across multiple seniority levels to join a growing delivery team. This is a confidential engagement focused on the transformation of core payment gateway capabilities, API platforms, developer experience, and in-person payments infrastructure.
Responsibilities
- Develop next-generation payment gateway capabilities
- Support API and orchestration platform development
- Collaborate across discovery and delivery phases
- Architectural leadership
- Payments subject matter expertise
- Technical direction across the programme
Key Skills
Essential
- Payment gateway/platform experience
- Kotlin & Java
- API-layer development
- Financial services experience
- TypeScript
