Etna Ltd
Specialists in Enterprise Applications
Learn MoreA UK-based company delivering high-quality software solutions using agile and modern development practices. Our consultants are experienced in sectors such as Government, Finance, Retail, Healthcare, and Telecoms, bringing deep technical knowledge and a pragmatic approach to each engagement.
Delivered Java and Kotlin microservices to automate provisioning and monitoring of network infrastructure. Advocated and implemented Spring State Machine to manage workflow orchestration. Developed audit logging, health metrics, and fault-tolerant features including duplicate message handling and retry logic. Contributed reusable Gradle plugins and conducted production issue triage and resolution collaboratively.
Built cloud-native Kotlin microservices deployed to AWS Fargate with secure APIs using Cognito, enabling Voter Certificate workflows and third-party integrations with Notify and external print services.
Related Open Source Projects:
Enabled legacy system migration to GraphQL and Kafka-backed microservices using Spring Boot. Services supported new supplier onboarding via Kubernetes-managed containers and centralised logging with DataDog.
Delivered services for trading risk calculations in compliance with FRTB regulations. Introduced monitoring tools (Micrometer, Prometheus) and contributed to OpenShift container deployment practices.
Engineered tenancy-aware microservices on AWS using Kubernetes and PostgreSQL. Features included dynamic scaling, CI/CD pipelines, and rigorous non-functional performance validation.
Automated document enrichment workflows with Java-based microservices. Leveraged AWS SQS/Kinesis for event processing and created Packer-based infrastructure templates for high availability deployment.
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