Senior Backend Engineer - PayLink

Salla; Jeddah; On-site; SAR 300,000 - 420,000; Full time

Job summary

Salla in Jeddah is seeking an experienced backend engineer to design and build payment-critical services on a modern Java stack. You will craft reliable APIs, integrate with payment gateways, and ensure robustness under heavy load.

The role emphasizes microservices, transactional integrity, and automated testing, with mentoring responsibilities for mid-level engineers and active use of AI coding tools in daily development.

Qualifications

• 5+ years in Java backend with Spring Boot.
• Hands-on payments / fintech experience required.
• Experience with at least one payment processor or gateway.
• Strong microservices and REST API design; relational databases.
• Solid grasp of transactional integrity and reliability.
• Containers / CI/CD and automated testing.
• AI coding tools such as Claude Code used daily.

Responsibilities

• Design and build payment-critical backend services and APIs on Java / Spring Boot.
• Ensure correctness and reliability under load.
• Build robust integrations and event-driven flows.
• Write thorough tests and maintain engineering standards.
• Mentor mid-level engineers.

Skills

Java backend with Spring Boot

Payments / fintech experience

REST API design

Transactional integrity andReliability

AI coding tools usage

Mentoring mid-level engineers

Tools

Payment processors / gateways (MPGS, Cybersource, mada)

Containers / CI/CD

Cloud platforms (OCI, AWS, Azure)

Kafka

Job description

You design and build payment-critical backend services end to end on a modern Java stack, with a high bar for correctness, reliability and security.

What you'll do

• Design and build payment-critical backend services and APIs on Java / Spring Boot.
• Ensure correctness and reliability under load.
• Build robust integrations and event-driven flows.
• Write thorough tests and help maintain high engineering standards.
• Mentor mid-level engineers.

• 5+ years in Java backend with Spring Boot.
• Hands-on payments / fintech experience is required — you have worked on real payment or financial-transaction systems.
• Hands-on experience with at least one payment processor or gateway (e.g. MPGS, Cybersource or mada). This is a requirement for this role.
• Strong microservices and REST API design; relational databases.
• Solid grasp of transactional integrity and reliability.
• Containers / CI/CD and strong automated testing.
• AI-augmented engineering — you actively use AI coding tools such as Claude Code in your day-to-day development. This is a requirement for this role.

Nice to have

• Experience with more than one payment processor / gateway.
• Cloud platforms (OCI, AWS or Azure); Kafka.