Senior Software Architect

SYNTAX IT Group is seeking a seasoned Senior Software Architect / Senior Java Developer to lead the technical direction of enterprise-grade software projects. This role is ideal for someone with strong hands-on development skills, a solid architectural mindset, and a passion for driving technical excellence and innovation. You will play a key role in guiding the development team, shaping software architecture, and collaborating with business stakeholders to deliver scalable and sustainable solutions.

Key Responsibilities:

• Design and define software architecture for complex enterprise systems, ensuring scalability, performance, and maintainability.
• Lead technical decisions across the full software development lifecycle—from concept and design to testing and deployment.
• Mentor and guide software engineers, promoting best practices in clean code, test-driven development, and system design.
• Collaborate closely with product owners, chapter leaders, and cross-functional teams to understand business needs and translate them into robust technical solutions.
• Conduct code reviews and ensure high standards in code quality and system design.
• Evaluate and integrate new technologies and frameworks to improve development efficiency and system performance.
• Ensure the security, reliability, and compliance of developed software.
• Champion Agile practices, continuous delivery, and DevOps culture within the team.

Skills & Qualifications:

• B.Sc. in Computer Science, Software Engineering, Information Systems, or a related field.
• M.Sc. degree will be considered a plus.
• 6+ years of professional experience in Java back-end development, with at least 2+ years in an architectural or technical lead role.
• Strong expertise in Java (OOP, multithreading, performance tuning) and deep knowledge of Java frameworks.
• Hands-on experience designing distributed systems, microservices, and integration architectures.
• Solid knowledge of containerization (Docker) and orchestration platforms (Kubernetes, OpenShift).
• Proficient in CI/CD tools and practices (e.g., Jenkins, GitLab CI, Urban Code).
• Strong experience with API design (REST, SOAP) and API Gateway management (e.g., IBM API Connect).
• Knowledge of relational databases (IBM DB2, MS SQL Server) and messaging systems (Kafka, ActiveMQ).
• Familiarity with enterprise architectural patterns and software lifecycle methodologies (TOGAF is a plus).
• Experience with Agile methodologies and tools (Scrum, Kanban, Jira).

Nice to have:

• Familiarity with Java web UI frameworks (Apache Wicket, JSF).
• Exposure to scripting or complementary languages (Groovy, Python, JavaScript).
• Knowledge of modern Java runtimes (Quarkus, WebSphere Liberty).
• Experience in regulated industries such as insurance or finance.

Additional Skills:

• Excellent communication and presentation skills, both orally and written in Greek and English.
• Enthusiast about coding, programming challenges and problem solving.
• Strong communication, time management, and collaboration skills.
• Willingness to share knowledge and mentor team members.

Why SYNTAX?

Career Development: Access opportunities to contribute to exciting new projects and evolve in your professional journey.

Continual Learning: We provide a huge amount of learning opportunities due to the solutions we provide and the partnerships we have.

Team Environment: Join a supportive and dynamic work environment that fosters strong working relationships.

Work-Life Balance: Your well-being is our priority, allowing you to excel both at work and in your personal endeavors.

Innovation: Join a stimulating environment where innovation is nurtured, providing a platform for your creative solutions to make a real impact.

SYNTAX IT Group is a leading Information Technology Consulting Organization operating since 1984 in Greece, in the Arabian Gulf and in the EU. For more than 40 years SYNTAX provides Consulting and Professional Services to a customer base that includes the largest corporations in Finance, Telecoms, Energy, Oil, Manufacturing, Transportation and in the Public Sector.

We offer a competitive remuneration package directly associated with your skills and expertise and the opportunity to evolve your career in the most dynamic business areas in today's international marketplace.

Please note that you will be contacted only if you are shortlisted for an interview. We appreciate your understanding.

The applications will be handled with high confidentiality.

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