RITTIKA SHAW

Full-Stack Engineer | React, Node.js, SQL | Building Scalable Web Applications & Optimizing APIs (30–40% Performance Gains) | ECE Background

Kolkata, IndiaSoftware Testing

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2roles

40skills

2education

4credentials

About

I’m a Full-Stack Software Engineer with a background in Electronics & Communication Engineering, focused on building reliable, scalable web applications that solve real-world business problems. I design and develop end-to-end applications using React.js, Node.js, Express, and MySQL, with a strong focus on performance optimization and clean backend architecture. I’ve improved API response times by 40% through query optimization and efficient database design, while delivering production-ready features used by 200+ users. I enjoy working on: • Backend development & REST API design • Database optimization & performance tuning • Scalable system architecture • Clean, maintainable code I thrive in Agile environments, collaborating cross-functionally to translate business requirements into high-quality technical solutions. Currently exploring opportunities in: Backend Engineering | Full-Stack Development | Product-Based Companies 📩 Open to opportunities and collaborations — feel free to connect or message me.

Experience

Quality Assurance Intern

ARC Document Solutions

Sep 2025 - Present · Kolkata

Validated 1,000+ digital documents and assets monthly, ensuring 100% data accuracy before client delivery. Identified and documented systemic content errors, reducing recurring defects by 30% through structured reporting. Maintained a zero-error verification rate by implementing detailed validation checklists and anomaly detection practices. Collaborated with engineering and operations teams to streamline verification workflows, reducing processing time by 20%. Improved data integrity standards by introducing structured QA review cycles across document pipelines.

Software Engineer Intern

Procyan Pvt. Ltd.

Jan 2025 – Mar 2025 · Kolkata

Reviewed requirement specifications and identified testable scenarios for web-based modules; designed and executed manual test cases; used SQL queries to validate back-end data; logged and tracked defects in JIRA; conducted regression and smoke testing after build deployments; collaborated with developers during bug triage and participated in daily Agile stand-ups.

Education

Narula Institute Of Technology

Bachelor of Technology - BTech, Electronics and Communication Engineering

Oct 2021 - Jun 2025

Coding Club

Taki House Government Sponsored Girls' High School

Higher Secondary

Jun 2019 - Jul 2021

Skills

Data ValidationDefect TrackingQuality AssuranceMicrosoft ExcelDebugging & TroubleshootingPerformance OptimizationSystem Design (Basic)Full-Stack DevelopmentAPI DevelopmentAgile MethodologiesGitDatabase DesignSQL OptimizationREST APIsMySQLExpress.jsJavaScriptReact.jsNode.jsBack-End Web DevelopmentManual TestingBlack-Box TestingSmoke TestingRegression TestingSanity TestingSelenium WebDriverTestNGSQL QueriesSQL JoinsJIRABug LoggingDefect LifecycleSDLCSTLCAgileWaterfallTest PlanningTest ReportingMS ExcelBasic Python

Projects

Developing Pulse and EEG Based Technologies to Prevent Road Accidents.

Developed cutting-edge technologies to continuously track driver vital signs, enhancing early detection of fatigue and potential health issues. Implemented Arduino Ide Cloud for system control. Integrated advanced algorithms to analyze pulse and EEG data, providing instant alerts and interventions to prevent accidents caused by driver impairment.

Personal Portfolio

E-Commerce Web App – QA Testing

Performed end-to-end QA on a demo e-commerce platform covering registration, cart, checkout, and payment flows. Created 60+ test cases covering functional, boundary value, and negative scenarios; used SQL to validate order data and product inventory; reported 15+ bugs in JIRA and performed regression testing after fixes with pass/fail reporting.

Selenium Automation – Login & Search Module

Automated login authentication and search validation on a sample web application using Selenium, Java, and TestNG. Automated positive and negative login scenarios with explicit waits, structured tests with TestNG annotations, used Excel for data-driven parameterization, and generated HTML test execution reports.