Shantonu S.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Summary :(16Years+) - 16 Years+ SDET (developer to Lead/Architect) with Java, python,C#, JavaScript - 11 Years+ As Technical Lead (6y+ Architect) - 8 Years+ Performance Engineering (End To End) - 3 Years+ as Backend Java Developer (spring boot) with TDD - 12 year+ in DevOps practitioner - 17 Years+ as Online Trainer/Blogger/Public Speaker Skills:Java (12y+), C# (3y+), Python(3y+), JavaScript(2y+), Groovy, Oracle, SQL Server, MySQL, Git, Maven, Gradle,Selenium, Restassured, Selenide ,Playwright Java, Serenity, Cypress, Webdriver.io, Cucumber , Gauge, Fitnesse , Jbehave, SpecFlow, protractor, JUnit, Spring-Test, TestNG, Mockito, Power Mock, SikuliX, Robotium, Appium, Winium, JAutomate, AWT Robot, Robot framework, Karate. Jmeter, Blazemeter,k6, LoadRunner, SOAP UI, Gatling, The Grinder. Chrome dev tools, GTMatrix, webpage test, JvisualVM, JMC, ANTS Profiler, Dot Trace, Dot Memory, IlSpy, IBM JVM tool Suite, Joverflow, Wire Shark, Fiddler, Burp Proxy, YATT/WinPicap, NewRelic, AppDynamics, Dynatrace, Docker, kubernetes , Proxmox ,VirtualBox,VMWare , AWS(EC2,Api Gateway, Lambda, SNS, SQS, S3, VPC), XLR, Jenkins,Kali Linux Tool, OWASP Tools Achievements : - Build 20+ End to End Automation Testing Framework for Web Ui, WebApi, Desktop UI, Mobile Apps - Build 10+ performance testing system for Website(Java, .net, Php, Python) with Max 250K concurrent User simulation. - Build 5+ End to End Performance Monitoring solution with APM, log Analysis & profiling tools - Build 5+ End to End Backend Automation framework for DB, Kafka, JMS, AI Model - Build 30+ POC on New Tools for Development as well as Test Automation. - Technical Reviewer for 3 Paper Books on jmeter & Java Threading Domains : - Payment Processing & Fraud Detection - AI Testing (Ai Agent , AI Models , Image Processing) - Advertisement Algorithms (Analytics & Opination) - Video Streaming & Broadcasting. - Investment Banking & Wealth management - Tax management & Treaty - eCommerce & Online Marketplace with Payment Processing. - Education System (admission & result)