AWS engineering for SaaS companies

I help you understand your AWS costs per customer, improve margins, and make your platform easier to run—so your engineers can focus on improving the product.

Alexey Eremin

Case studies

Companies I’ve worked with

  • Allure TestOps Cloud

    Allure TestOps Cloud

    • Improved trial onboarding and reduced environment setup time, helping increase trial-to-active-subscription conversion from 5.7% to 20.7% (+263%).
    • Informed changes to pricing and usage limits by building an observability platform that connects tenant cost allocation with business metrics.
    • Led the simplification of a platform serving approximately 900 tenants so one developer can manage it.
  • Kuvio

    Kuvio

    • Reduced the main analytics dataset’s cost from about $1,800 to $60 per month and a representative query’s runtime from 18.4 to 1.6 seconds.
    • Identified wasteful data scans and implemented a fix that reduced the affected workload’s KMS and S3 costs from about $1,620 per month to near zero.
    • Delivered while working one day a week on retainer.
    • I also presented the S3 cost-optimization work at AWS Community Day.
  • Continue

    Continue

    • Automated delivery from GitHub across development, staging, and production, with Slack approvals giving the team control over releases.
    • Built a reusable Terraform module for launching private or public ECS services with minimal configuration, built-in security controls, and automatic scaling.
    • Added external uptime monitoring with automatic alerts for unavailable services and expiring certificates.
  • Sirob Technologies

    Sirob Technologies

    • Built the RightStart AWS foundation later adopted by BORIS, separating workloads and shared services into different accounts.
    • Configured private networking, encryption, and centralized access controls.
    • Added audit logging, security monitoring, and budget alerts to support investigations and track spending.
  • Industrial Matrix

    Industrial Matrix

    • Containerized three applications and prepared their AWS infrastructure so each service could be deployed and scaled separately.
    • Built automated delivery across development, staging, and production.
    • Helped developers adapt, debug, and deploy their applications on the new container platform.
    • Deployed the application frontend on S3 and CloudFront.

Selected certifications

Verified by Credly

  • Claude Certified Architect - Foundations
  • AWS Certified Data Analytics – Specialty
  • AWS Certified Solutions Architect – Associate

Open source

  • terraform-aws-sso-elevator

    64 stars

    Terraform-based solution for just-in-time privilege escalation in AWS via SSO and a Slack bot, eliminating standing access by granting temporary permissions on demand and aligning with least-privilege security practices.

    My contribution: Built the foundational architecture and access control logic.

  • terraform-aws-s3-access-logs-athena-table

    2 stars

    Terraform module that creates an AWS Glue table designed specifically for querying Amazon S3 server access logs in the date-based partitioning format (optimizes query price and performance).

    My contribution: Fully implemented by me.

  • aws-eni-identifier

    9 stars

    Identifies which AWS service a network interface is associated with.

    My contribution: Fully implemented by me.