Raj Kumar

I'm |

About Me

Mobile & Web Application Tester with 2.9 years of hands-on experience.

Testing Expertise

Technical Proficiencies

Key Achievements

Committed to delivering seamless user experiences and continuous process improvement.

PROFILE SUMMARY

Mobile & Web Application Tester with 2.9 years of experience in functional, regression, UI/UX, and API testing across logistics, e-commerce, fitness, and healthcare domains. Skilled in JIRA, MantisBT, Postman, and Agile/Scrum, ensuring defect-free, user-focused product delivery. Experienced in workflow automation using n8n, integrating WhatsApp bots, Google Sheets, and APIs to streamline reporting and project management.

PROFESSIONAL EXPERIENCE

Quality Analyst

SpaceO Technology (Manual & Web/Mobile Application Testing) | May 2025 - Aug 2025

Mobile & Web Application Tester with hands-on experience in six diverse projects spanning logistics, ride-hailing, e-commerce, fitness, location tracking, and gamified challenge platforms. Skilled in functional, regression, UI/UX, and API testing, with expertise in tools such as JIRA, MantisBT, and Jenkins, ensuring high-quality, user-focused product delivery in Agile environments.

Manual Test Engineer

Eptain & Company | Nov 2022 – May 2025

Worked in the E-commerce domain, focusing on two major verticals: Pharmacy (prescribed medicines for pets) and Diet & Nutrition (dietary products and supplements for pet wellness).

E-commerce Platform for Pet Health & Nutrition

  • Designed and executed comprehensive test plans covering full workflows
  • Conducted manual & cross-browser testing (Chrome, Firefox, Safari)
  • Executed regression testing after feature updates
  • Collaborated with dev & product teams during UAT

E-commerce Platform for Beauty & Wellness

  • Tested recommendation engine, reviews, checkout, and payment flows
  • Conducted regression and UI/UX testing after updates
  • Verified data integrity in recommendations and search flows

Assistant Engineer Operation

Vivek Construction (TATA Steel) | Jul 2020 - Sep 2022

KEY PROJECTS

On-Demand Logistics, Transportation & Ride-Hailing Platform

Role: Mobile & Web Application Tester

Worked on an integrated mobility and commerce platform offering goods delivery, passenger ride-hailing, digital wallet, and e-commerce services.

Technologies: JIRA, Postman, Mobile Testing (Android/iOS)

Health & Lifestyle Platform

Role: Mobile & Web Application Tester

Tested fitness and wellness platform with personalized workout plans, video training, and progress tracking.

Technologies: JIRA, MantisBT, API Testing

KEY RESPONSIBILITIES

  • Conducted functional, regression, smoke, and UI/UX testing for mobile (Android/iOS) and web applications across diverse domains
  • Created, reviewed, and executed detailed test cases to validate core functionalities, business logic, and user flows
  • Performed cross-platform and cross-browser testing to ensure consistent performance and compatibility
  • Validated integrations for payment gateways, GPS tracking, chat systems, and booking flows
  • Logged and tracked defects using JIRA and MantisBT, collaborating with developers for resolution
  • Utilized Postman for API testing to verify data accuracy and error handling
  • Participated in Agile/Scrum ceremonies (stand-ups, sprint planning, retrospectives)
  • Ensured compliance with security, data privacy, and performance standards
  • Supported CI/CD pipelines using Jenkins for automated build verification

ACHIEVEMENTS

  • Delivered 10+ mobile and web apps across multiple domains with minimal post-production defects
  • Reduced critical defect leakage by 80% through improved regression coverage
  • Achieved zero critical bugs in production for three consecutive releases
  • Optimized test case design, cutting execution time by 70%
  • Enhanced API validation accuracy and ensured 100% compliance with data privacy standards
  • Mentored junior testers, boosting team productivity and efficiency

WORKFLOW AUTOMATION

Designed and implemented automation workflows using n8n to streamline project management, data processing, and communication across multiple platforms.

Key Contributions:

  • Built a WhatsApp-based project management bot integrated with Google Sheets for real-time status tracking
  • Implemented dynamic time formatting and weekend skip logic for scheduled reminders
  • Integrated external APIs for weather updates, jokes, and AI-powered smart replies
  • Configured error-handling workflows with real-time notifications via WhatsApp
  • Automated data entry, status updates, and report generation, reducing manual effort

TECHNICAL SKILLS

Testing Expertise

  • Manual Testing
  • Functional Testing
  • Regression Testing
  • Performance Testing
  • Mobile App Testing
  • Web Application Testing

Tools & Platforms

  • JIRA
  • MantisBT
  • Postman
  • Jenkins
  • SQL
  • Selenium WebDriver

Methodologies

  • Agile (Scrum, SAFe)
  • Waterfall
  • UAT Support
  • CI/CD

EDUCATION

B.Tech in Mechanical Engineering

Biju Patnaik University of Technology (B.P.U.T) | 2015-2018

Grade: 7.8/10

Diploma in Mechanical Engineering

State Council for Technical Education & Vocational Training | 2012-2015

Grade: 87%

Projects

1. E-commerce Platform for Pet Health & Nutrition

Role: Manual Test Engineer at Eptain & Company

Overview:

Worked on an e-commerce platform specializing in pet health and nutrition products, focusing on delivering a seamless shopping experience for pet owners.

  • Designed and executed comprehensive test plans covering full workflows
  • Conducted manual & cross-browser testing (Chrome, Firefox, Safari)
  • Executed regression testing after feature updates
  • Collaborated with dev & product teams during UAT

2. E-commerce Platform for Beauty & Wellness

Role: Manual Test Engineer at Eptain & Company

Overview:

Contributed to a beauty and wellness e-commerce platform with advanced recommendation and review features.

  • Tested recommendation engine, reviews, checkout, and payment flows
  • Conducted regression and UI/UX testing after updates
  • Verified data integrity in recommendations and search flows

3. On-Demand Logistics, Transportation & Ride-Hailing Platform

Role: Mobile & Web Application Tester

Overview:

Worked on an integrated mobility and commerce platform offering:

  • Goods delivery & courier services (mini-trucks, two-wheelers, etc.)
  • Passenger ride-hailing with GPS-enabled tracking
  • Digital wallet & payment services
  • Online shopping & order management
  • Customer and driver applications on Android/iOS with real-time booking and tracking

Applications & Links:

Tested end-to-end booking, payment, GPS, and e-commerce workflows across Android, iOS, and web. Ensured smooth communication, real-time updates, and wallet transactions while collaborating in Agile/Scrum for timely, high-quality releases.

4. Online Gifting Platform

Role: Mobile & Web Application Tester

Overview:

Tested an online gifting and flower delivery platform that allows customers to order flowers and personalized gifts with real-time delivery management. The solution included customer-facing mobile apps (Android/iOS), a delivery partner app, and a web ordering system.

Applications & Links:

Tested product selection, checkout, and payment workflows; validated UI/UX for a smooth shopping experience. Performed functional/regression testing post-releases and ensured cross-platform compatibility on Android, iOS, and web.

5. Health & Lifestyle Platform

Role: Mobile & Web Application Tester

Overview:

Worked on a fitness and wellness platform offering personalized workout plans, video-based training, goal-setting, and progress tracking. The solution included mobile apps for Android/iOS and a web-based interface for users.

Applications & Links:

Tested workout modules, video streaming, and progress tracking; validated profiles, goals, and notifications. Ensured consistent cross-device experience through functional and regression testing post-releases.

6. Location-Based Tracking Solution

Role: Mobile & Web Application Tester

Overview:

A location-based solution with super admin, company admin, employee, and customer apps to locate and recover lost or misplaced items in real time.

7. Challenge & Reward Application

Role: Mobile & Web Application Tester

Overview:

An interactive app where users can join challenges, compete with others, track progress, and earn rewards.

Tested challenge creation, progress tracking, leaderboards, rewards, and push notifications; validated UI/UX to boost user engagement.

8. Mental Health & Crisis Support Platform

Role: Mobile & Web Application Tester

Overview:

A secure and user-friendly mobile and web-based platform that connects individuals with certified counselors, mental health resources, and crisis assistance. The platform offers anonymous communication, emergency support, and a comprehensive resource library to promote emotional well-being.

Bug Reports

🔹 Project 1: On-Demand Logistics, Transportation & Ride-Hailing Platform

Role: Mobile & Web Application Tester

❌ GPS Inaccuracy on Low-End Android Devices

Issue: Real-time location was delayed or mismatched.

Impact: Affected ETA and tracking reliability.

Resolution: Developers optimized GPS polling intervals and added fallback to network-based location.

❌ Digital Wallet Double Deduction

Issue: Users were charged twice when network was interrupted mid-transaction.

Impact: Loss of user trust and support tickets.

Resolution: Implemented transaction state validation before processing.

❌ E-commerce Checkout Crashes (iOS)

Issue: Checkout page crashed on iOS 13 devices.

Impact: Abandoned carts and lost sales.

Resolution: Identified deprecated API call; fixed in next sprint.

🔹 Project 2: Online Gifting & Flower Delivery Platform

Role: Mobile & Web Application Tester

❌ Product Images Not Loading on Slow Connections

Issue: High-resolution images weren't optimized.

Impact: Poor UX; users couldn't view products.

Resolution: Lazy loading and WebP compression added.

❌ Payment Gateway Session Timeout Bug

Issue: Payment session expired if idle for >1 minute without warning.

Impact: Checkout abandonment.

Resolution: Timeout alert and auto-refresh implemented.

🔹 Project 3: Health & Lifestyle Platform

Role: Mobile & Web Application Tester

❌ Workout Videos Buffer Indefinitely (Web App)

Issue: Videos failed to load on Safari and Firefox.

Impact: Users unable to follow workouts.

Resolution: Re-encoded videos in compatible formats.

❌ Progress Tracking Not Updating

Issue: Daily goals were marked incomplete despite activity logs.

Cause: Timezone misalignment in server-side logic.

Resolution: Fixed timestamp logic and tested across timezones.

🔹 Project 4: Location-Based Tracking Solution

Role: Mobile & Web Application Tester

❌ Admin Dashboard Crashes on Bulk Data Load

Issue: Fetching 1,000+ records crashed UI.

Cause: No pagination; memory overflow in browser.

Resolution: Added pagination and lazy loading.

❌ Incorrect Location Mapping on iOS Devices

Issue: Items showed wrong map pins after recent iOS update.

Impact: Confusion in locating lost items.

Resolution: Updated MapKit integration and fixed coordinate conversion.

🔹 Project 5: Challenge & Reward Application

Role: Mobile & Web Application Tester

❌ Leaderboard Not Updating in Real Time

Cause: Backend was caching scores and not refreshing on new entries.

Resolution: Switched to WebSocket-based updates.

❌ Challenge Join Button Not Responsive

Cause: Button overlapped invisible UI element.

Resolution: Reworked touch event priorities.

🔹 Project 6: Mental Health & Crisis Support Platform

Role: Mobile & Web Application Tester

❌ Anonymous Chat Disconnects on Idle

Cause: Server auto-killed sessions after 2 minutes of inactivity.

Impact: Interrupted ongoing crisis conversations.

Resolution: Introduced heartbeat ping and idle timer reset.

❌ Counselor Notification Delay

Issue: Push notifications delayed up to 10 minutes.

Resolution: Migrated to a real-time messaging queue for notifications.

Get In Touch

📧 rp.rajkumar02@gmail.com
📱 (+91) 8240000784