Senior Solution Designer

Company Description ATCON GLOBAL is a Belgium-based IT consulting firm dedicated to empowering businesses with advanced technology solutions. We specialize in digital transformation, enterprise performance improvement, business intelligence, and data analytics. With a client-focused, results-driven ethos, our team delivers tailored IT solutions addressing business challenges. Our mission is to deliver measurable results, not just hours, ensuring our clients’ objectives are met with excellence. About the Role We’re looking for an experienced Solution Designe r to join a large enterprise environment in Belgium. In this role, you’ll work closely with Solution Architects, development teams and other stakeholder s to translate high-level solution designs into detailed technical designs for implementation. You’ll play a key role in designing scalable, secure and reusable solutions while ensuring alignment with enterprise architecture, infrastructure and security standards. Start date: 1/9/2026 Responsibilities Translate high-level solution designs into detailed technical specifications for development and infrastructure teams. Design scalable, modular and reusable software solutions following enterprise and industry best practices. Design APIs and define interfaces between applications and services. Produce technical design documentation, including sequence diagrams, class diagrams, ER diagrams and network diagrams. Define hosting, deployment, security and disaster recovery requirements. Ensure solutions comply with enterprise technology, infrastructure and security standards. Participate in technical reviews and provide guidance to development teams. Collaborate with Solution Architects and stakeholders to support solution discussions and implementations. Must-Have Requirements Minim um 5 years of experie nce as a Solution Designer or in a similar technical design role. At lea st 5 years of experie nce designing solutions based on microservices architecture. Proven experience integrati ng SaaS solutions. Strong Java knowledge, includi ng Spring Boot, JPA/Hibernate and Maven or Gradle. Experience designing secure and reusab le REST APIs. Strong understanding of software architecture, system integration and technical design. Excellent written and spoken English (C1 level or equivalent). Available to work onsite in Belgium at lea st 2 days per week. Nice to have Experience working in large enterprise environments. Knowledge of enterprise security and disaster recovery principles. Experience collaborating with cross-functional technical teams.