Senior Backend Engineer - FinTech Infra, Equity & Flex

Lean; Dubai; On-site; AED 380,000 - 520,000; Full time

Benefits offered by this job

Equity stake

Private healthcare

Flexible office hours

Job summary

Lean is building the financial infrastructure for the MENA region from Dubai. As a Senior Software Engineer on the Lean Store squad, you will own core ledger functionality for ADGM compliance, and run the end-to-end billing system with reliability and evolution.

You will deliver the Mal integration with direct revenue impact, maintain payouts infrastructure with SLA adherence, and drive performance, scalability, and proactive improvements across the domain while providing design-level reviews

Qualifications

• Strong backend with Java, Spring Boot, and microservices.
• Production experience with Kafka for event-driven systems.
• Data layer proficiency: PostgreSQL and Redis.
• Experience with Maven, Docker, Jenkins in build/deploy.
• Observability mindset with Prometheus and Grafana in prod.
• Ability to own a domain independently and drive design decisions.
• Writes secure, well-tested code with monitoring & alerting.

Responsibilities

• Build and maintain core ledger functionality underpinning Lean's SwiftX compliance and ADGM scaling.
• Own the billing system end-to-end — reliability, maintenance, evolution.
• Deliver the Mal integration with direct revenue implications.
• Cover payouts infrastructure — incident response, client features, SLA adherence.
• Drive stability, performance, and scalability improvements across the domain.
• Provide design-level code reviews and write clear technical specifications.

Skills

Java

Spring Boot

JPA/Hibernate

Microservices

REST APIs

Kafka

Observability (Prometheus Grafana)

AI-assisted tooling (Claude)

Domain ownership

Security & testing

Tools

Kafka

PostgreSQL

Redis

Maven

Docker

Jenkins

Prometheus

Grafana

Claude

Job description

Lean is building the financial infrastructure for the MENA region from Dubai. As a Senior Software Engineer on the Lean Store squad, you will own core ledger functionality for ADGM compliance, and run the end-to-end billing system with reliability and evolution.

You will deliver the Mal integration with direct revenue impact, maintain payouts infrastructure with SLA adherence, and drive performance, scalability, and proactive improvements across the domain while providing design-level reviews