Sr. Backend Developer - Java (Integration Developer) - Octopus by RTG

About Octopus by RTG
Octopus by RTG is the tech hiring and outsourcing arm of Robusta Technology Group, dedicated to connecting exceptional tech talent with top-tier organizations across the MENA, GCC, Europe, the US, and Canada. We specialize in building strong, long-term partnerships between skilled professionals and innovative companies. Our mission is to empower growth, innovation, and excellence by matching the right talent with the right opportunities.

Currently, we are hiring a Sr. Backend Developer for one of our partner organizations in KSA on a 1-year contract, offering the opportunity to contribute to exciting projects within a dynamic and forward-thinking environment.

Main Responsibilities

Backend Development & Architecture

• Design, develop, and maintain scalable, secure backend systems using Java and Spring Boot.
• Contribute to architecture design ensuring modularity, maintainability, and high performance.
• Build and manage microservices-based architectures.

API & Integration

• Develop and maintain RESTful APIs and integrate them with internal and external systems.
• Ensure smooth data exchange between services and databases.

Database Management

• Design, manage, and optimize SQL (PostgreSQL, MySQL, Oracle) and NoSQL (MongoDB, Cassandra)databases.
• Ensure data integrity, performance, and scalability.

Code Quality & Performance

• Write clean, well-documented, and testable code following best practices.
• Conduct unit and integration testing using frameworks like JUnit and Mockito.
• Optimize system performance, latency, and throughput.

Collaboration & Mentorship

• Collaborate closely with front-end developers, product managers, and DevOps teams.
• Mentor junior developers and lead code reviews to uphold standards.

Security & DevOps

• Implement security best practices, including authentication and authorization (OAuth2, JWT).
• Contribute to CI/CD pipelines, deployments, and monitoring systems.

Continuous Improvement

• Stay updated with new technologies in the Java & Spring Boot ecosystem.
• Suggest and adopt tools to enhance productivity and code quality.

Requirements

Experience & Technical Skills

• 4+ years of professional experience in Java development, primarily with Spring Boot.
• Strong proficiency in Java 8+ (streams, lambdas, etc.).
• Expertise in Spring Boot ecosystem: Spring Data, Spring Security, Spring Cloud.
• Hands-on experience with Microservices architecture.
• Proficient in RESTful API design and integration.
• Solid experience with SQL (PostgreSQL, MySQL, Oracle) and NoSQL (MongoDB, Redis, Cassandra).
• Familiarity with message brokers (Kafka, RabbitMQ).
• Understanding of Docker, Kubernetes, and containerized deployments.
• Experience with testing frameworks (JUnit, Mockito).
• Strong knowledge of authentication & authorization mechanisms (OAuth2, JWT).
• Experience with CI/CD tools (Jenkins, GitLab CI, CircleCI).
• Proficiency with Git and branching strategies (GitFlow).
• Familiarity with cloud platforms (OCI, GCP).

Soft Skills

• Excellent problem-solving and analytical thinking.
• Strong communication and teamwork abilities.
• Proven mentorship and leadership capabilities.
• Self-motivated and capable of working independently.
• Quick to learn and adapt to new technologies.

Preferred Qualifications

• Experience with Spring Cloud, GraphQL, or Kubernetes.
• Familiarity with Agile methodologies (Scrum, Kanban).
• Experience with ElasticSearch, Solr, or event-driven architecture (CQRS/Event Sourcing).