Senior Java & Spring Boot Backend Architect (Microservices)

Optimum Solutions Pte Ltd; Dubai; On-site; AED 300,000 - 520,000; Full time

Job summary

Optimum Solutions Pte Ltd is seeking a seasoned backend software engineer with a minimum of 10 years of experience to lead design and delivery of scalable Java/Spring Boot systems in fintech contexts. You will architect microservices, secure REST APIs, and collaborate across disciplines to drive large-scale initiatives.

You should be fluent with API design (OpenAPI/Swagger), OAuth2/JWT security, and CI/CD practices, while contributing to governance, reliability, and performance improvements in

Qualifications

• 10+ years of experience in backend software development.
• Strong expertise in Java and Spring Boot.
• Proven experience designing and delivering micro-services architectures and distributed systems.
• Deep understanding of REST API design, Open API (Swagger), and API security (OAuth2, JWT).
• Track record of leading large-scale projects and cross-functional technical efforts.
• Deep understanding of security, compliance, and data integrity requirements in fintech applications.
• Comfortable with CI/CD, infrastructure-as-code, and monitoring tools.

Skills

Java

Spring Boot

Microservices

REST APIs

OpenAPI/Swagger

OAuth2

JWT

CI/CD

Infrastructure-as-Code

Monitoring

Security

Fintech

Leadership

Cross-functional

Tools

Swagger

OpenAPI

Job description

Optimum Solutions Pte Ltd is seeking a seasoned backend software engineer with a minimum of 10 years of experience to lead design and delivery of scalable Java/Spring Boot systems in fintech contexts. You will architect microservices, secure REST APIs, and collaborate across disciplines to drive large-scale initiatives.

You should be fluent with API design (OpenAPI/Swagger), OAuth2/JWT security, and CI/CD practices, while contributing to governance, reliability, and performance improvements in