Perfsys

Perfsys is an AWS Select Tier Consulting Partner and authorized AWS reseller, headquartered in Tallinn, Estonia, and working with clients fully remotely. Over more than a decade in cloud engineering, the team has delivered 70+ projects for over 30 companies spanning Media, Software and Technology, Financial Services, Energy, and Logistics, building a track record centered on hands-on AWS expertise rather than generic outsourcing.

The firm functions as an embedded cloud team for startups and growing SMBs: certified engineers plan architecture, execute migrations, and stay engaged afterward through proactive monitoring and optimization, instead of disappearing once a project ships. Every client also receives a 5% discount on their underlying AWS infrastructure spend, and engagement plans are structured to expand alongside a company's growth rather than tying it into rigid, long-term contracts.

Services

AWS Consulting & Development, covering everything from initial cloud assessments to full MVP builds on AWS:

• AWS Consulting
• AWS Cloud Assessment
• Application Migration to AWS
• MVP Development Services

AWS Managed Services, for ongoing operational support once systems are live:

• Managed Support Packages
• Observability & Monitoring
• Security & Compliance

Specialized Solutions built on deeper technical niches:

• Keycloak SSO
• AWS AI Agents
• AWS Data Engineering

Technical expertise: Lambda, ECS, EKS, API Gateway, DynamoDB, RDS, CloudFormation, Amazon Bedrock, Cognito, Pinpoint, Athena, Amplify, Kubernetes, and serverless architectures.

Who Perfsys works with: SaaS companies running multi-tenant platforms, AI products that need robust backend and data infrastructure, startups shipping MVPs quickly, SMBs modernizing legacy systems, and teams operating under compliance, security, or uptime requirements.

Certifications: AWS Partner, AWS Certified Developer, AWS Certified Solutions Architect, AWS Certified Security, AWS Certified Solutions Architect Professional, and Clutch Ukraine 2026 recognition.