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Software Development

Perfsys

Software Development profile for Perfsys.

5.0(16 reviews)MatchFast editorial rating, not a verified user review average.

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Team size
10 to 49
Rate band
$25 to $49/hr

About Perfsys

Considering Perfsys for software development work? MatchFast lists the company under Software Development. The profile describes its work this way: Based in Tallinn, Estonia, Perfsys is a small, senior team working in software development. Cloud Consulting & SI accounts for 50% of its client work, with Custom Software Development and IT Managed Services making up most of the remainder. Best suited to teams balancing a fixed budget against scope, or extending an in-house function. The profile also lists B2B, Startups among its industries. Treat directory labels and the summary as a starting point; they do not establish that a team has worked on your exact problem. Ask for a comparable build, who owns architecture and integrations, how the team tests releases, and what maintenance is included after launch. Compare the rate range, team information and project evidence shown below, and confirm current terms and source review details with the provider before deciding.

Where this rate sits

Bottom quartileAgainst 185 software development companies we track

$25/hr$200/hr

Rates this low usually mean delivery sits offshore even when the registered office does not. Worth confirming which team builds, and in which timezone.

Expertise

Service lines

Software Development

Industries served

B2BStartups

Both lists come from terms already stored on this listing, so every chip is a real directory. Share of revenue per line is owner supplied and stays hidden until it is.

Certifications

AWS PartnerPartner
AWS Select Tier PartnerPartner
AWS Certified Developer – AssociateCertified
AWS Certified Solutions Architect – AssociateCertified
AWS Certified Solutions Architect – ProfessionalCertified
AWS Certified Security – SpecialtyCertified
AWS Certified AI PractitionerCertified

Portfolio

Building an AI Report-Generation App That Cut Report Time by 98% on AWS Bedrock

Perfsys built a custom macOS app for an edtech consultant using AWS Bedrock — cutting report generation time from half a day to under 5 minutes.

How a US Mortgage Technology Startup Used Amazon Neptune to Unify Loan Origination Data for 30+ B2B Customers

How a US mortgage startup used Amazon Neptune to absorb loan origination data from 30+ B2B customers across 5 industries.

Serverless Observability on AWS: Single-Tenant SaaS Implementation

Perfsys built automated serverless observability for Nogalis — a single-tenant SaaS running 30 isolated AWS accounts.

Building an AI Grant Management Platform on AWS Bedrock

Perfsys built four AI services for EPIRA.ai on AWS Bedrock, automating grant form creation (85% faster) and pre-application eligibility scoring.

Implementing Keycloak SSO on AWS for a Large Energy Customer Platform

Perfsys designed and implemented a customized Keycloak SSO solution aligned with the client's AWS architecture and business requirements.

AI Model Optimization for a Fintech Virtual Advisor

Perfsys optimized a German fintech's AI assistant on AWS Bedrock, increasing faithfulness to 95%, resolving 100% of critical issues.

Reviews

5.0Based on 16 reviews on Clutch

The source supplies a score and a count only; it does not publish a per-star breakdown, so none is shown.

Client reviews

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Locations

Headquarters

Estonia

Tallinn

Ukraine

Dnipro

Croatia

Split

Leadership

EUGENE ORLOVSKY

CEO & FOUNDER

CEO & FOUNDER at Perfsys.

LIUDMYLA KUTSEREI

GROWTH MARKETER

GROWTH MARKETER at Perfsys.

ANTON STROKA

FRONT-END DEVELOPER

FRONT-END DEVELOPER at Perfsys.

VASYL PERESTA

BUSINESS DEVELOPMENT

BUSINESS DEVELOPMENT at Perfsys.

VIKTORIIA KOTLIAROVA

QA ENGINEER

QA ENGINEER at Perfsys.

MYKYTA GLUSHKO

SOFTWARE ENGINEER

SOFTWARE ENGINEER at Perfsys.

What we checked

4 of 5 verified. The rest are supplied by the listing owner. Last checked 23 August 2026.

  • ✓Rating and review count read from a live third-party profile
  • Rate band, team size and founding year cross-checked
  • ✓Working website on the company own domain
  • ✓Portfolio and named clients supplied
  • ✓Named leadership on record

Linked directories

Software Development companies

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