Senior Java Software Engineer

Who we Are

At Grant Thornton Greece, we’re not just part of a global network of 80,000 professionals across 156 countries. We’re independent thinkers who prioritize quality, inclusion, and integrity to create a better, more personal experience for our clients and our team. Our mission? To deliver expertise in a way that goes beyond — Personal, Proactive, and Agile.

We don’t predict the future here—we shape it. 🚀

Milestones WE are Proud of

🏆 Great Place to Work certified for four years running!

🌟Best Workplaces Hellas for 2025 & 2026!

👩‍💼 Best Workplaces for Women for four consecutive years!

⭐Best Workplace in Professional Services & Consulting for 2025 & 2026!

🌈 Proud members of the Diversity Charter Greece and certified with the SHARE Equality Label

🏠 Flexible way of Working (Hybrid)

🧠Coaching & Counseling from Senior Professionals

The role in detail

We are looking for a Senior Java Engineer with strong hands-on expertise in Java and Spring Boot to design, develop, and maintain scalable, cloud-native applications. You will collaborate with Software Engineers, Solutions Architects, and cross-functional teams, contributing to technical design, code quality, and engineering best practices. The role also offers exposure to AI-enabled solutions (LLMs, RAG, integrations) and opportunities to grow toward Technical Lead or Software Architect positions.

The key responsibilities of this role will include:

Technical Ownership & Delivery

• Own end-to-end technical delivery of a project or feature

• Coordinate implementation across teams (FE, BE, AI)

• Ensure integration and delivery quality

Solution Design & Architecture

• Design and implement microservices-based architectures using Spring Boot

• Contribute to event-driven systems and integrations (Kafka, messaging, APIs)

• Define and review data models across relational (Postgres, MySQL) and NoSQL databases

• Collaborate with Architects to align with target architecture and best practices

AI-enabled Systems

• Support integration of AI/ML components

• Work with LLM-based systems (RAG, APIs)

• Collaborate with AI specialists

Collaboration & Communication

• Act as main technical contact within project

• Participate in client discussions

• Communicate risks and decisions clearly

Leadership & Mentoring

• Guide junior and mid-level engineers

• Lead code reviews and design discussions

To be successful at this role you need the following (hard and soft skills):

• 5–8 years of experience in Software engineering (Java ecosystem)

• Strong hands-on experience with Spring/Spring Boot, Microservices architecture and REST APIs

• Solid understanding of Relational databases (Postgres, MySQL)

• Experience with Event-driven architectures and messaging systems (e.g., Kafka, RabbitMQ)

• Familiarity with Cloud environments (Azure preferred), Docker and Kubernetes

• Strong problem-solving skills and ownership mindset

• Demonstrated ability to take ownership of features or projects

• Strong communication skills (team and stakeholder level)

• Ability to coordinate across multiple teams

• Proactive attitude, identify problems and drive solutions

What’s in it for You?

At Grant Thornton Greece, we believe that great work deserves great rewards! Here’s what you can look forward to:

• 🌈 Diverse and inclusive workplace

• 🏋️‍♂️ Friendly, Dynamic Working environment

• 💰 Competitive Salary & Bonus

• 🩺 Insurance Program for all GT members

• 👩‍🏫 Fully funded Training & Professional Qualifications

• 🏖 Extra Days-off: August Freedays, Volunteering Days

• 🏃🏽‍♂️ Corporate Sports Teams (e.g., Running, Basketball, Volleyball)

• 🎁 Exclusive Discounts: Special offers and discounts for employees

• 🚗 Company Car (depending on job level)

Ready to Go Beyond?

If you're imagining a career that’s anything but ordinary, then Grant Thornton Greece is the place for you! We don’t just do business as usual—we go beyond. Ready to take that leap?

Simply upload your up-to-date CV, hit "apply", and we’ll handle the rest! ✨

We are Grant Thornton. We go beyond business as usual, so you can too.
#WelcomeToMore #GoBeyondWithUs