Java System Architect

We are looking for a Java System Architect to join a long-term project with one of our top clients in the logistics and supply chain sector.

The role can be remote, with the option to work from the client’s office in Warsaw.

Key Responsibilities:

• Take ownership of the design, implementation, and optimization of backend components, APIs, and system integrations.
• Analyze and refine change requests together with business analysts and subject matter experts.
• Ensure alignment with established architectural standards and lead enhancements based on evolving requirements.
• Document both new and existing system components and contribute to continuous improvements.
• Work closely with DevOps and DBA teams to resolve operational issues and enhance platform reliability.
• Guide development and QA teams by addressing technical debt and improving code quality.
• Act as a system-level architecture owner, collaborating with architects and technical leads across the business.
• Coach developers on best practices including clean architecture, microservices, and cloud-native design.
• Provide backup SME support to ensure domain knowledge is well-distributed and resilient.

Skills & Experience:

• University degree in Computer Science or related field.
• 6+ years of experience in IT/software development, with 2+ years in a technical leadership or architectural role.
• Strong hands-on experience with the Java ecosystem, including Spring Boot, JMS, and JAX-RS.
• Proficiency with asynchronous design patterns using Kafka, SQS, or RabbitMQ.
• Experience with AWS services such as EC2, RDS, EFS, S3, SQS, and SNS.
• Familiarity with monitoring tools like ELK and Prometheus.
• Solid knowledge of microservices architecture including Domain-Driven Design, Event-Driven Architecture, and CQRS.
• Comfortable working with Docker, Kubernetes, and Terraform for infrastructure and containerization.
• Strong communication skills in English and experience working in international, cross-functional teams.
• Previous exposure to Agile environments and tools such as Jira and Confluence.