Payments Platform Architect — Staff Engineer (Remote)

The Hub/Danske Bank; København; Hybrid; DKK 1,200,000 - 1,900,000; Full time

Job summary

Shine is seeking a Staff Engineer - Payments to lead architectural governance of the cloud-native payment gateway, driving correctness, strong transactional guarantees, and reconciliation for a scaling financial service under EU regulatory expectations and PCI DSS.

The role centers on a serverless, microservices stack on Google Cloud, delivering low-latency, high-throughput solutions for SMBs across Europe.

Qualifications

• Extensive leadership experience in software engineering roles.
• Deep expertise in Java, Spring Boot, and non-blocking architectures.
• Strong knowledge of Google Cloud Platform (GCP) and PCI DSS requirements.
• Experience with Liquibase and reactive database drivers (R2DBC).

Responsibilities

• Architectural Leadership: Define and drive the high-level architecture of core payment systems (gateway, ledger, payment orchestration), contribute to ADRs, and ensure strong guarantees around consistency, correctness, auditability, and reconciliation across asynchronous flows.
• Technical Excellence: Oversee technical execution, conduct rigorous code reviews, and ensure alignment with design principles like Reactive Programming and Contract-First design.
• Team Leadership & Mentorship: Lead, manage, and mentor hybrid core and extended delivery teams (onsite and remote), fostering high performance and guiding system design discussions.
• Compliance & Security: Maintain PCI DSS compliance through secure patterns like credential injection via environment variables and Secret Manager integration.
• Strategic Delivery: Partner with Product Managers to define roadmaps for components including BIN Lookup services, Surcharging engines, and Dynamic Currency Conversion (DCC).
• Operational Optimization: Evolve CI/CD pipelines and deployment strategies to Google Cloud Run for zero-downtime horizontal scaling.

Skills

Leadership

Java

Spring Boot

Spring WebFlux

Project Reactor

GCP

Reactive Programming

PCI DSS

Tools

Liquibase

R2DBC

OpenAPI

Google Cloud Run

Docker

Job description

Shine is seeking a Staff Engineer - Payments to lead architectural governance of the cloud-native payment gateway, driving correctness, strong transactional guarantees, and reconciliation for a scaling financial service under EU regulatory expectations and PCI DSS.

The role centers on a serverless, microservices stack on Google Cloud, delivering low-latency, high-throughput solutions for SMBs across Europe.