We are looking for a Technical Lead / Senior Software Engineer who combines strong hands-on engineering skills with a growing ability to lead technical delivery across projects. In this role, you will act as the Technical owner and Lead Developer of a project or major feature, driving design decisions, coordinating across teams (Frontend, Backend, AI & Data), and ensuring high-quality delivery.

You will work closely with our Solutions Architects, PMs and Business Analysts contributing to the implementation of scalable, cloud-native systems — including modern AI-enabled solutions (LLMs, RAG, integrations). This is not a pure coding role — it is a step into technical leadership, with strong growth potential toward Architect or Engineering Lead 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)