Perfsys

Perfsys is a cloud engineering and consulting company operating under the name Perfsys. The organisation provides professional services related to Amazon Web Services (AWS) and maintains offices in Ukraine (Dnipro) and Estonia (Tallinn), indicating operations that serve clients in multiple regions and an international client base.

Services and Capabilities

• AWS Cloud Migration and Modernization — planning and executing migrations to AWS, replatforming or refactoring workloads, and modernizing legacy infrastructure.
• DevOps Automation and Infrastructure as Code — delivering CI/CD pipelines, automated deployments, and infrastructure provisioning using declarative tooling.
• Cloud Cost Optimization and Architecture Reviews — assessing cloud spend, applying cost-control measures, and conducting AWS Well-Architected reviews to align cost, resilience, performance, and security.
• Serverless Application Development — designing and implementing serverless architectures using services such as AWS Lambda and API Gateway to deliver backend logic and APIs.
• Data Analytics and AI/ML Pipelines — building ETL/ELT processes, managing large datasets in the cloud, and implementing AI/ML evaluation or inference pipelines.
• Managed Cloud Operations and Identity Management — providing ongoing managed AWS services, 24/7 support, and identity and access management solutions including SSO and Keycloak integration.

Industry Focus

Primary clients are startups and small-to-medium enterprises (SMBs). Work performed for these clients includes end-to-end cloud platform implementation, cost and performance optimization, automated delivery pipelines for software teams, data analytics environments, and serverless application delivery tailored to startup operational models.

Technology and Delivery Approach

Recurring technical themes include integration with AWS platform services, deployment automation via CI/CD and Infrastructure as Code, GitOps and internal developer platform concepts, data platform construction for analytics and AI/ML, and operational automation for managed services. Delivery emphasizes building runnable systems: infrastructure templates, automated pipelines, serverless functions and APIs, data processing workflows, and IAM/SSO configurations, supported by ongoing managed support and cost/performance reviews.