Senior Software Engineer at NSS Labs

Designed and implemented RESTful APIs and microservices using .NET and ASP.NET Core for seamless integration between customer-facing products and internal systems. Led development and maintenance of backend services using .NET 8, ASP.NET Core, and Go to deliver scalable and reliable solutions for a cloud-based SaaS platform serving thousands of users. Optimized SQL Server and PostgreSQL via query tuning, indexing, and schema improvements. Built automated CI/CD pipelines with Azure DevOps and GitHub Actions for .NET applications, streamlining deployments and improving release efficiency. Integrated AI/ML capabilities using OpenAI, Azure OpenAI, and LangChain—implementing RAG pipelines and AI agents to automate workflows and enhance product features. Investigated and resolved complex production issues using root-cause analysis to improve stability and operational reliability.

Backend Engineer at Webmarket.ie

Developed and maintained scalable backend services and REST APIs using Java, Spring Boot, and Spring Framework for customer-facing and internal applications on a cloud-based platform. Collaborated with product and engineering teams to translate business requirements into reliable, maintainable, and scalable Java microservices. Built and managed CI/CD pipelines using Azure DevOps and Docker to automate build, testing, and deployments. Designed integrations with third-party and internal systems using Spring Boot, Kafka, and REST to support real-time data synchronization and business-critical workflows. Wrote and optimized SQL queries for MySQL and PostgreSQL to improve performance through indexing, query tuning, and schema design. Implemented infrastructure and deployment automation with Kubernetes and Terraform for environment provisioning and DevOps best practices. Improved observability with ELK stack and Prometheus and participated in troubleshooting production issues via root-cause