Java Software Engineer

Full Stack Java Developer

Model: Hybrid (3 office / 2 home) if based in Athens or fully remote if based outside of Athens.

Salary Range: €2.000 Gross - €3.500 Gross Monthly (14 salaries)

Our client is seeking a highly skilled Java Developer to join a fast-paced, international technology environment. You will play a key role in designing, developing, and maintaining scalable software solutions using modern Java technologies, cloud-native architectures, and relational databases.

Key Responsibilities

Software Development

• Design, develop, and maintain Java-based applications using Quarkus, Spring, and JavaServer Faces (JSF)
• Implement and optimize serverless functions for scalable and event-driven use cases

Front-End Development

• Build and enhance responsive user interfaces using React
• Ensure seamless integration between front-end and back-end systems

Database Management

• Work extensively with Oracle, Microsoft SQL Server, and PostgreSQL
• Develop complex SQL queries, stored procedures, and database migrations
• Optimize database performance and ensure data integrity

Architecture & Design

• Collaborate with software architects to design scalable, high-performance systems
• Ensure adherence to clean code principles and best practices

Performance & Optimization

• Identify and resolve application and database performance issues
• Conduct profiling, tuning, and optimization activities

Code Quality & Testing

• Write clean, maintainable, and well-documented code
• Develop unit, integration, and end-to-end tests
• Participate in code reviews and provide constructive feedback

Collaboration & Delivery

• Use Git for version control and collaborate within agile teams
• Work closely with cross-functional teams to deliver high-quality solutions

Security & Continuous Improvement

• Implement secure coding practices and ensure compliance with data protection standards
• Stay up to date with emerging technologies and industry trends
• Mentor junior developers and share technical knowledge

Required Skills & Experience

• Bachelor’s degree in Computer Science, Information Technology, or equivalent experience
• 2+ years of experience as a Java Developer
• Strong experience with Quarkus, Spring, React, JSF, and serverless architectures
• Solid experience with Oracle DB, MS SQL Server, and PostgreSQL
• Strong understanding of software design principles, data structures, and algorithms
• Experience working in Agile environments
• Strong problem-solving and debugging skills
• Excellent communication and teamwork abilities
• High attention to detail and commitment to code quality

Nice to Have

• Certifications in Java or related technologies
• Experience with cloud platforms ( AWS, Azure, or GCP )
• Knowledge of Docker and Kubernetes
• Experience in the financial services or fintech domain

Benefits

• Competitive remuneration package
• Ticket restaurant card
• Private medical health insurance plan
• International and multicultural working environment
• Strong team culture with focus on technology and innovation
• Continuous learning and career development opportunities
• Growth within a leading, fast-expanding technology organization