Job Title: Senior Full-Stack Engineer (.NET & Java)Location:Dublin, Ireland (Hybrid)Contract Duration:6+ MonthsAbout the RoleWe are seeking an experiencedSenior Full-Stack Engineerwith strong hands-on expertise in both.NETandJavadevelopment, with a clear emphasis on deep, practical experience in.NET. This role will play a key part in designing, building, and deploying cloud-native solutions for a large-scale enterprise environment.You will collaborate with cross-functional teams to deliver high-quality, scalable, and resilient systems using modern cloud and containerization technologies.Key ResponsibilitiesDevelop and maintain enterprise-grade applications using .NET (primary) and Java .Design and implement cloud-native architectures, ensuring scalability, resilience, and security.Build and deploy microservices using Kubernetes and containerized environments.Work with event-driven and streaming solutions using Kafka .Contribute to cloud infrastructure and application deployment using AWS services.Collaborate with architects, product managers, and cross-functional teams in an agile environment.Debug, troubleshoot, and optimize application performance across the stack.Implement best practices in software engineering, CI/CD, and infrastructure-as-code.Required Skills & ExperienceExtensive hands-on expertise in .NET (mandatory).Strong experience with Java in enterprise environments.Proven experience designing and implementing cloud-native applications .Proficiency with Kubernetes for orchestration and container lifecycle management.Experience working with Kafka for messaging and streaming workloads.Solid understanding and hands-on experience with AWS cloud services.Knowledge of microservice patterns, distributed systems, and API design.Experience with Spring Boot is a strong plus.Strong problem-solving skills and ability to work in a hybrid, fast-paced environment.Nice-to-HaveExperience with IaC tools (Terraform, CloudFormation).Familiarity with DevOps pipelines (GitHub Actions, Jenkins, Azure DevOps).Understanding of observability tools (Prometheus, Grafana, ELK).