Senior Java Software Engineer

The Group Securities; Doha; On-site; QAR 320,000 - 520,000; Full time

Job summary

The Group Securities, Doha-based investment firm, seeks an experienced Java backend engineer to design and build scalable services using Spring Boot. You will collaborate with cross-functional teams across product, frontend, DevOps, and QA to deliver robust features.

Impressive knowledge of REST APIs, concurrency, and modern Java (17+) is essential. You will contribute to microservices, ensure code quality with tests, and participate in Agile ceremonies in a fast-paced environment.

Qualifications

• 7+ years of professional Java development experience.
• Strong Spring Boot, Spring MVC, Spring Data, and Spring Security.
• Deep understanding of RESTful API design.
• Java 17+ and enterprise-grade applications.
• Experience with multithreading, concurrency, and asynchronous programming.
• Solid knowledge of OOP, SOLID, and design patterns.
• Familiarity with Maven/Gradle build tools.
• Strong unit/integration testing (JUnit, Mockito).
• Docker, Kubernetes, or container-based development.
• CI/CD tools and Git workflows.

Responsibilities

• Design and develop backend services using Java (Spring Boot).
• Collaborate with product managers, frontend developers, DevOps, and QA teams to deliver features end-to-end.
• Architect solutions focusing on performance, scalability, and maintainability.
• Write unit, integration, and functional tests to ensure code quality.
• Lead code reviews, mentor juniors, and promote coding best practices.
• Contribute to microservices architecture and design decisions.
• Troubleshoot production issues and performance bottlenecks.
• Participate in Agile/Scrum ceremonies and project planning.

Skills

Java

Spring Boot

RESTful API

Multithreading

Async programming

OOP/SOLID

JUnit/Mockito

Maven/Gradle

Docker

Kubernetes

Git

Tools

Docker

Kubernetes

CI/CD tools

GitHub Actions

Job description

About us:

The Group Securities is a well-established investment organization working in the finance industry since 1989, as a company devoted to the stock exchange. It was licensed once Qatar Stock Exchange was founded in 1997 and provides an array of investment services to more than 400,000 investors, with portfolios exceeding QR 100 billion. As brokerage firm, The Group Securities finances margin trading and operates as liquidity provider for the listed shares and ETFs. The company has a paid-up capital worth (QR 1 billion) and has been continuously posting profit since its inception. Besides being licensed by Qatar Financial Market Authority to exercise these activities, The Group Securities is also a member of Qatar Stock Exchange.

Key Responsibilities:

• Design and develop robust, scalable, and secure backend services using Java (Spring Boot).
• Collaborate with product managers, frontend developers, DevOps, and QA teams to deliver end-to-end features.
• Architect solutions with a strong focus on performance, scalability, and maintainability.
• Write unit, integration, and functional tests to ensure high code quality.
• Lead code reviews, mentor junior developers, and establish best practices in coding and design.
• Contribute to microservices architecture and participate in the decision-making process for design and implementation.
• Troubleshoot and resolve production issues and performance bottlenecks.
• Participate in Agile/Scrum ceremonies and contribute to project planning and estimation.

Qualifications:

• 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.
• Strong hands-on experience with Java 17+ (or the latest LTS versions), including the development and maintenance of enterprise-grade applications.
• Experience with multithreading, concurrency, and asynchronous programming in Java.
• Solid knowledge of software design patterns and principles (OOP, SOLID, DDD, etc.).
• Experience with build tools like Maven or Gradle.
• Strong understanding of unit testing (JUnit, Mockito) and integration testing.
• Familiarity with Docker, Kubernetes, or container-based development.
• Knowledge of CI/CD tools (e.g., Jenkins, GitHub Actions, GitLab CI).
• Comfortable with version control systems (Git), code reviews, and collaborative development.
• Excellent problem-solving and communication skills.