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ServerlessObservabilitySaaSUnited States

Serverless Observability on AWS: Single-Tenant SaaS Implementation

~10x

faster incident response

100K+

Lambda invocations tracked per month

30

customer deployments under unified observability

AI EngineeringAWS BedrockGovTech

Building an AI Grant Management Platform on AWS Bedrock

85%

Reduction in form creation time

3×

Faster grant application completion

3

months full platform delivery

SSOIdentity & SecurityEnergy

Implementing Keycloak SSO on AWS for a Large Energy Customer Platform

4

Sub-brands unified under one login

2–3×

Faster onboarding of new products

35%

Fewer login-related support requests

AI EngineeringAWS BedrockFintech

AI Model Optimization for a Fintech Virtual Advisor

100%

Critical issues resolved

95%

Faithfulness score achieved

70%

Reduction in QA time

AI ASSISTANT MVPHEALTHCAREUNITED KINGDOM

Building Investor-Ready AI Mental Health Assistant MVP on AWS Bedrock for Startup

90%

cost savings

3

months MVP delivery

7

AWS services

AWS Cloud Case Studies — Real Client Results

Testimonials

What our clients say

Perfsys is trusted by startups and SMBs worldwide for delivering scalable, reliable, and cost-optimized AWS cloud solutions.

"They did not want to just code and produce a product; they wanted the application to be impactful and useful."

Ann Watson

Founder, i Got This! iGT-PA Ltd

"What stood out most about Perfsys was their genuine depth of experience in government and financial technology."

Anonymous

Project Manager, AI Solutions Company

"On a scale of five stars, we give them a six!"

Gary Matsumoto

Founder & CEO, KaZang, Inc.

"The knowledge they had about working with serverless solutions from AWS was impressive."

Andreas Sallmunds

Founder, Roligt AB

"The workflow was tightly integrated with how we like to operate."

Thomas Reid

Engineering, Startup

"They are proactive and have creative ideas on how to approach the very unique set we have in our company."

Ingmar Bornholz

CEO, my-vpa GmbH

"They gave the same level of thoughtfulness, care, and attention to detail as if it were their own software."

Greg Weinstein

CEO, Audience Genomics

"I have a very high level of confidence with Perfsys."

Alexey Scherbakov

CTO, Intro Inc.

"They took great pride in the quality of their work."

Christopher Wallace

CTO, Healthcare App Developer

"Their dedication to getting the job done and done correctly was impressive."

Jazmin Sarabia

Office Manager, Aztec Data Supply, Inc.

"Perfsys was great, and we appreciated their flexibility."

Margot Blouin

CEO, Cadstrom Inc

"We've been most impressed with Perfsys' responsiveness and expertise."

Anonymous

CEO, AI Company

"The team was very methodical and delivered within their set timelines."

Bhairav Patel

CTO, Financial Services Company

"They were very responsive and devoted to their work."

Anonymous

CEO, Software Dev Company

"This is a serious and very reliable team."

José Sampaio Gomes

Head of Data Management, Energy Company

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