Key skills
JavaAIClaudeSpring BootSpringRailsKubernetesDockerMentoringCommunication
About this role
BVNK is a company focused on accelerating global money movement through stablecoin-native infrastructure. They are seeking a Senior Software Engineer to join their Cards team, responsible for building a seamless card issuing and transaction platform that bridges crypto and fiat.
Responsibilities:
- Design and implement card platform features end-to-end - from tokenization and sensitive card data handling to transaction enrichment and settlement workflows
- Build and maintain integrations with card issuers and payment processors
- Architect systems spanning multiple services, ensuring scalability, security, and PCI compliance
- Own features and projects from inception to completion, breaking down complex domains into deliverable work items
- Drive cross-team technical initiatives around shared libraries, patterns, and infrastructure
- Actively review code across the team, providing constructive and in-depth feedback
- Contribute to our engineering culture by mentoring teammates and setting quality standards
Requirements:
- 5+ years experience as a Backend Engineer, preferably in FinTech or payments
- Expertise in Java and Spring Boot
- Experience building and maintaining APIs and services in a microservices architecture
- Strong understanding of card payments, issuing, or transaction processing
- Enthusiasm for adopting AI-assisted development tooling (e.g, Claude Code, AI code review agents) to accelerate delivery and improve code quality across the squad
- Ability to self-direct work and scale from well-scoped tasks to multi-sprint initiatives
- Excellent problem-solving skills, comfortable working independently or collaboratively across squads
- Experience with containerisation and orchestration technologies including Docker and Kubernetes
- Experience with code review as a tool for mentoring and raising team-wide standards
- Good written and verbal communication skills
- Open to participating in an out-of-hours on-call rota
- Familiarity with crypto/fiat payment rails is a plus