Java Architect

Phoenix Technologies; Brussel; On-site; EUR 120,000 - 180,000; Full time

Job summary

Phoenix Technologies is seeking a Java Architect to lead the design and implementation of scalable software solutions in coordination with business and development stakeholders.

You will define architectures, guide technical direction, review code, and develop PoCs while ensuring security, performance, and reliability across cloud-based platforms (AWS/Azure). Collaboration across teams and strong communication are essential.

Qualifications

• Minimum 10 years of professional IT experience.
• University degree in any field.
• Strong expertise in software architecture, design patterns and distributed systems.
• Hands-on experience with cloud platforms (AWS, Azure, OVH) and container orchestration (Docker, Kubernetes).
• Proficiency in back-end (Java, Python, Spring Boot) and front-end (Angular, React, JavaScript) development.

Responsibilities

• Design and develop detailed architectures and implementation guidelines.
• Gather and analyse technical requirements with business and technical stakeholders.
• Provide technical leadership, conduct code reviews and ensure adherence to quality standards.
• Develop solution prototypes and Proofs of Concept (PoCs).
• Define non-functional requirements, performance budgets and Service Level Objectives (SLOs).
• Plan system capacity, scalability, observability and reliability patterns.
• Contribute to full-stack development, including front-end and back-end implementation.

Skills

Software architecture

Distributed systems

Cloud platforms

Docker & Kubernetes

Java development

Spring Boot

Full-stack development

Frontend technologies

OpenAPI/Swagger

API security

Education

Bachelor's degree

Tools

Docker

Kubernetes

Job description

We are seeking a Java Architect to join our team. The role involves leading the design and implementation of comprehensive technical solutions while collaborating closely with business and development stakeholders.

Key Responsibilities

• Design and develop detailed technical architectures and implementation guidelines.
• Gather and analyse technical requirements with business and technical stakeholders.
• Provide technical leadership, conduct code reviews and ensure adherence to quality standards.
• Develop solution prototypes and Proofs of Concept (PoCs).
• Define non‑functional requirements, performance budgets and Service Level Objectives (SLOs).
• Plan system capacity, scalability, observability and reliability patterns.
• Contribute to full‑stack development, including front‑end and back‑end implementation.

Required Qualifications

• At least 10 years of professional IT experience.
• University degree in any field of study.
• Strong expertise in software architecture, design patterns and distributed systems.
• Hands‑on experience with cloud platforms (AWS, Azure, OVH) and container orchestration (Docker, Kubernetes).
• Proficiency in back‑end (Java, Python, Spring Boot) and front‑end (Angular, React, JavaScript) development.

Back-End Development

• Java
• Python
• Spring Boot
• Hibernate
• RESTful services and enterprise APIs.

Front-End Development

• JavaScript
• HTML
• CSS
• Frameworks/libraries such as Angular, React and Bootstrap.

APIs & Integration

• RESTful APIs and web services.
• API security.
• OpenAPI / Swagger documentation.
• Enterprise integration patterns.

Databases & Data

• Database management systems and data modelling.
• Relational databases including PostgreSQL, Oracle and MySQL.
• Complex SQL queries and database design.

Security

• Understanding of software and infrastructure security principles and best practices.
• Secure API and application architecture.

Knowledge of AI development tools such as Kiro is also relevant to the position.

Project & Delivery Management

Strategic planning.

• Budgeting and forecasting.
• Financial modelling and performance tracking.
• Agile, Scrum and Lean Agile methodologies.
• PRINCE2 and/or PMBOK knowledge.
• JIRA and Microsoft Project.
• Confluence and SharePoint.
• Stakeholder mapping and structured communication plans.
• Reporting and governance.
• Meeting facilitation.
• Guiding project teams and reviewing deliverables.
• Managing risks, dependencies and changing priorities.