Senior Fullstack Java Developer working with Spring & Angular at ONTEC. Engage in modern software projects with international customers, ensuring innovative solutions alongside a passionate team.
About the role
- Senior Java Engineer in a hybrid role to build smart workflow automation applications using Java and React, mentoring juniors and guiding technical leadership.
Responsibilities
- Design and enhance high-impact enterprise applications where stability, performance, and correctness matter.
- Guide engineering standards, review designs and tests, and coach peers while remaining hands-on.
- Take responsibility for specifications, development, testing, documentation, security, and integration.
- Evolve systems continuously while balancing pragmatism with long-term sustainability.
- Deliver systems that meet strict quality, security, and regulatory requirements.
- Work across internal teams and third-party systems, contributing to a shared application roadmap aligned with business priorities.
Requirements
- Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or a related field.
- Minimum 5 years’ professional experience designing and developing enterprise-scale software systems.
- Strong proficiency in modern Java versions (Java 17+ preferred).
- Extensive experience with Spring Framework and Spring Boot, including scalable enterprise services.
- Hands-on experience with web technologies (JavaScript, HTML5, CSS3) and modern frameworks such as React/Redux or Angular.
- Experience designing and integrating RESTful APIs; knowledge of JSON and XML formats.
- Proficiency with relational and NoSQL databases: MySQL, MariaDB, PostgreSQL, MongoDB.
- Practical experience with test-driven development and automated testing strategies.
- Knowledge of version control systems, Secure SDLC practices, CI/CD pipelines, and DevOps collaboration models.
- Strong Command of Greek and English Language skills, both in writing and speaking.
- Solid principles, clean coding practices, design patterns mindset.
- Strong analytical and problem-solving skills for complex technical challenges.
- Excellent organizational skills with the ability to prioritize effectively and deliver high-quality results.
- Motivated to mentor and guide less experienced engineers, supporting team growth.
- Strong team-oriented mindset; contribution to collective engineering success.
- High ethical standards; awareness of regulatory compliance and active support of the Group’s Anti-Bribery and Corruption Policy.
Benefits
- Compensation (~€3,300 gross) with restaurant card and annual bonus program
- Flexible hybrid work model with home office equipment
- Modern facilities, indoor parking, and company bus
- Private health insurance, on-site occupational doctor, and workplace counselor
- Cutting-edge IT equipment, mobile/data plan,
- On-site gym, wellness facilities, and recreational areas (ping pong, etc.)
- Career and talent development programs, mentoring, coaching, and personalized annual L&D plan
- Employee referral bonus, regular wellbeing initiatives, ESG, and volunteering activities
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