Junior Java / Mulesoft Developer

About Leadex Systems

Leadex Systems is a niche software consulting company and a long-time MuleSoft partner. We provide best-in-class API Management solutions in the Middle East and Europe. Our team of 66 like-minded professionals combines technical expertise with domain knowledge in digital banking, finance, and e-commerce. We embrace proactiveness, continuous learning, team spirit, and commitment to customer success.

About the role

We’re looking for a Java Developer with an interest in enterprise integrations to join our growing team - or a Junior MuleSoft Developer who wants to grow fast and work on real-world business-critical APIs.

This is a great opportunity to either deepen your MuleSoft skills or transition from Java to a booming integration stack in the API-led world.

You will work in cross-functional teams of architects, project managers, and developers to design, build, and deliver integration solutions for our clients across fintech, e-commerce, and digital platforms.

Responsibilities

Develop and support enterprise integration solutions using MuleSoft and/or Java.

Participate in the design of APIs and integration flows based on business requirements.

Build and maintain API contracts using RAML and RESTful design principles.

Collaborate with architects and QA engineers to ensure scalable, reliable solutions.

Configure and manage APIs through the Anypoint Platform.

Participate in deployment automation, CI/CD pipelines, and environment management.

Requirements

For Java Developers transitioning to MuleSoft

1+ years of experience in backend development (Java).

Understanding of RESTful services, HTTP, JSON/XML.

Strong OOP and clean code principles.

Interest in enterprise integration and API-first development.

Confident spoken and written English (B2 level or higher).

For Junior MuleSoft Developers

Experience with Anypoint Studio and basic MuleSoft components.

Knowledge of RAML, DataWeave, and flow design.

Basic understanding of APIs and integration layers.

Strong desire to learn and grow in integration architecture.

Confident spoken and written English (B2 level or higher).

Nice to have (for both)

Experience with integration platforms such as MuleSoft, Dell Boomi, Oracle ESB, or Apigee.

Hands-on experience with workflow automation tools: n8n, Make (Integromat), Camunda, or similar.

Familiarity with CI/CD, Git, and containerization tools like Docker.

Knowledge of message brokers (Kafka, RabbitMQ) or API security (OAuth2, SSO).

Interest in building scalable, reusable integration patterns.

We offer

Flexibility in terms of location to work from: we consider applicants from all locations.

Flexible work schedule.

31 days of vacation.

5 sick days.

Sport compensation.

Support with purchasing the necessary equipment.

Let's get to know each other!