Senior Java Software Engineer

About the role

The Group Securities is seeking a Senior Java Software Engineer to design and develop robust, scalable, and secure backend services for its investment platform. You will work closely with product, frontend, DevOps, and QA teams to deliver end‑to‑end features that support thousands of investors.

Key responsibilities

• Design, develop, and maintain Java (Spring Boot) microservices.
• Collaborate with cross‑functional teams to deliver complete features.
• Architect solutions focused on performance, scalability, and maintainability.
• Write unit, integration, and functional tests to ensure high code quality.
• Lead code reviews, mentor junior developers, and enforce best practices.
• Participate in Agile/Scrum ceremonies, project planning, and estimation.
• Troubleshoot production issues and resolve performance bottlenecks.

Required profile

• 7+ years of professional Java development experience.
• Strong hands‑on experience with Spring Boot, Spring MVC, Spring Data, and Spring Security.
• Deep understanding of RESTful API design and best practices.
• Proficiency with Java 11+ (Java 17 preferred) and multithreading, concurrency, asynchronous programming.
• Solid knowledge of OOP, SOLID principles, and Domain‑Driven Design.
• Experience with Maven or Gradle build tools.
• Strong unit‑testing skills using JUnit and Mockito.
• Familiarity with Docker, Kubernetes, and CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI).
• Comfortable with Git version control and collaborative development.

Required skills

• Java
• Spring Boot
• Spring MVC
• Spring Data
• Spring Security
• RESTful APIs
• Java 11 / Java 17
• Multithreading & Concurrency
• Asynchronous programming
• Object‑Oriented Programming
• SOLID principles
• Domain‑Driven Design
• Maven
• Gradle
• JUnit
• Mockito
• Docker
• Kubernetes
• Jenkins
• GitHub Actions
• GitLab CI
• Git