Duty Station: 7-month contract, with possible extension- Sana’a-Yemen

Application Deadline: 7 days

Organization Overview

A confidential organization is recruiting a Senior Backend Developer, a Flutter Developer, and a Frontend Web Developer for a digital financing and marketplace platform. The roles support customer transactions, supplier and logistics functions, and banking and administration portals.

1. Backend Developer

Java Spring Boot / ASP.NET Core
You will design and develop the core backend services and APIs powering the platform's web and mobile applications.

Responsibilities

• Develop scalable RESTful APIs and backend services using Java Spring Boot or ASP.NET Core
• Design database schemas and develop efficient, reliable SQL queries
• Implement secure authentication and authorization using JWT, OAuth 2.0, and RBAC
• Integrate with core banking systems, internal platforms, and third-party services
• Implement security best practices including:
  • Input validation
  • Audit logging
  • Encryption
  • Secure customer-data handling
• Write unit and integration tests
• Document APIs using OpenAPI / Swagger
• Participate in code reviews and technical discussions
• Follow clean-code, maintainability, and software engineering best practices

Requirements

• 3+ years of backend development experience
• Strong experience with Java Spring Boot or ASP.NET Core
• Solid knowledge of relational databases such as Oracle, SQL Server, or PostgreSQL
• Experience with ORM technologies such as JPA/Hibernate or Entity Framework
• Strong understanding of REST API design and API security
• Experience with Git and Docker
• Good understanding of software architecture and backend development practices

Preferable 

• Experience in banking, fintech, payments, or digital financial services
• Experience integrating with core banking systems
• Familiarity with Redis, message queues, and asynchronous processing
• Experience with CI/CD and DevOps practices