Senior Java Architect: Payments Gateway on GCP

Cloudsmiths; Gauteng; Remote; ZAR 800 000 - 1 000 000; Full time

Job summary

A leading technology company in South Africa is seeking a Senior Java Application Architect to lead the design and development of a payment gateway with a focus on security and compliance. This role involves utilizing technologies such as Java, Spring, and GCP to architect solutions for both local and international markets. The ideal candidate will have over 8 years of experience in Java engineering and significant involvement in payment gateway systems. This is a high-impact position requiring a deep understanding of compliance standards and operational observability.

Qualifications

• 8–10+ years in Java engineering with 3–5+ years as an Application / Domain Architect in payments or fintech.
• Experience building or evolving a payment gateway or acquiring platform.
• Proven production experience on GCP.

Responsibilities

• Lead the planning, architecture, design, and development of a payment gateway.
• Architect a PCI-aligned, low-latency payment gateway on GCP.
• Deliver production integrations with external providers.

Skills

Java 17+

Spring Boot / Spring Cloud

JPA / Hibernate

OAuth2 / OIDC

Cloud Run

Terraform (IaC)

Tools

Cloud SQL (MySQL / Postgres)

BigQuery

CI / CD (Cloud Build / GitHub Actions)

Job description

A leading technology company in South Africa is seeking a Senior Java Application Architect to lead the design and development of a payment gateway with a focus on security and compliance. This role involves utilizing technologies such as Java, Spring, and GCP to architect solutions for both local and international markets. The ideal candidate will have over 8 years of experience in Java engineering and significant involvement in payment gateway systems. This is a high-impact position requiring a deep understanding of compliance standards and operational observability.