We are looking for a Software Architect with a strong engineering background to lead the design and implementation of scalable, cloud-native systems. In this role, you will act as the technical authority across multiple projects, defining architecture, guiding development teams, and ensuring high-quality delivery. You will work closely with Engineering Managers, Technical Leads, and AI/Data teams to design modern distributed systems, including AI-enabled applications (LLMs, RAG, integrations).

This is a hands-on architecture role — combining system design, technical leadership, and active contribution to complex implementations

The key responsibilities of this role will include:

Architecture & System Design

• Define and own end-to-end architecture for software systems (backend, frontend, data, integrations)

• Design microservices-based and event-driven architectures

• Ensure systems are scalable, secure, and highly available

• Define technical standards, patterns, and best practices

• Contribute to the design of AI-powered systems (RAG pipelines, LLM integrations, agent-based workflows)

• Collaborate with AI specialists to integrate ML/LLM components into production systems

• Ensure AI components are reliable, scalable, and aligned with system architecture

Technical Leadership

• Act as technical authority across multiple teams and projects

• Guide Technical Leads and development teams

• Review and validate technical designs and implementations

Cloud & DevOps

• Design cloud architectures (Azure/AWS)

• Work with Docker, Kubernetes, CI/CD pipelines

Data & Integration

• Define data architecture and data flows

• Design schemas for:

- Relational databases (Postgres, MySQL)

- NoSQL systems (MongoDB, Redis)

• Ensure efficient integration between services, APIs, and external systems

Communication & Mentoring

• Translate business needs into technical solutions

• Support proposals and client discussions

• Mentor engineers and technical leads

• Promote best practices and standards

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

• 6+ years of experience in Software development

• Proven experience as Senior/Lead Engineer or Software Architect

• Deep expertise in Java/Spring Boot, Microservices architecture and Event-driven systems (Kafka, messaging)

• Strong understanding of System/API design (scalability, resilience, performance)

• Experience with Relational databases, Cloud platforms (Azure preferred), Docker and Kubernetes

• Strong technical leadership and decision-making skills

• Excellent communication skills

• Ability to lead across teams

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)