Mihirkumar M. Prajapati

Building scalable, reliable and secure APIs for smooth user experience.

Get To Know Me

About Me

Building scalable, reliable and secure APIs for smooth user experience.

👋Hello, I'm Mihir Prajapati

A passionate Java Developer and  Quality Assurance Engineer with 2 years of experience crafting digital experiences that users love.

I specialize in building scalable, secure, and reliable web and mobile applications using React, Next.js, Java-Springboot, and modern development technologies. I thrive on turning complex problems into elegant solutions that users love.

Beyond work, I love exploring emerging technologies, contributing to open-source projects, and building interactive, action-driven, and insightful Dashboards using PowerBI . I believe in continuous learning and staying at the forefront of technological innovation.

Core Technologies

JavaSpringbootMicrosoft PowerBIMicrosoft FabricLiquibaseAPI IntegrationReactNext.jsNode.jsPythonAWS-SESUI/UX DesignPostgresELK StackData Science

Java Developer

Valens Datalabs Pvt. Ltd.

Contributed as a Java developer by creating RESTful scalable APIs using springboot for ensuring seamless communication between frontend and AI model

Top Rated • 91% Success Score

QA Engineer

FotonVR Pvt. Ltd.

Used my analytical skills to identify potentials weaknesses in our application and report them to higher management before it causes any damages.

Quality Assurance Engineer

Let's Connect

workwithmihirprajapati@gmail.com
mihirprajapati.vercel.app
Gujarat, India

Achievements

Top Rated on Upwork
Built 5+ PowerBI Dashboards
Expert in API Integration

Available for Hire

Open to New Opportunities
Open to Relocation
Remote & On-site Available
Tech Arsenal

Technology Stack

Technologies I use to bring ideas to life

Backend

Java

Expert
2 years exp

Springboot

Expert
2 years exp

Python

Intermediate
1.5 years exp

Node.js

Beginner
1 year exp

Express

Beginner
1 year exp

Frontend

JavaScript

Expert
2 years exp

Tailwind CSS

Expert
2 years exp

Bootstarp

Expert
3 years exp

React

Intermediate
1.5 years exp

Next.js

Beginner
1 year exp

Database

PostgreSQL

Expert
3 years exp

MySQL

Expert
3 years exp

MongoDB

Intermediate
2 years exp

Cloud & DevOps

Git

Expert
4 years exp

Docker

Intermediate
2 years exp

AWS

Beginner
1 year exp

Jenkins

Beginner
1 year exp

Developer Tools

VS Code

Expert
4 years exp

InteliJ Idea

Expert
4 years exp

PyChram

Expert
4 years exp

Project Management Tools

Jira

Expert
2 years exp

Trello

Expert
2 years exp

Slack

Expert
3 years exp

UI/UX

Figma

Expert
2 years exp
Professional Journey

Experience

My professional journey and the impact I've made across different domains

January 2024 — June 2024

Java Developer

Valens Datalabs Pvt. Ltd.

Contributed by building scalable, secure and reliable REST APIs for ensure seamless communication between frontend and AI model.

Key Achievements

Achieved Top-Rated status with a 91% job success score
Resolved 50+ bugs focusing on Optimized solutions
Consistently praised for skillfulness, quick learning, and strong communication
Earned repeated engagements through reliability and expertise

Technologies & Skills

JavaAWSPostgresqlElastic SearchPostmanSlackSpring Boot
January 2025 — Present

Quality Assurance Engineer

FotonVR Pvt. Ltd.

Led QA efforts at FotonVR as the Head Quality Analyst, focusing on ensuring application stability and preventing critical bugs from reaching production.

Key Achievements

Led a QA team of 5, effectively managing task distribution, reviews, and process improvements
Identified and resolved high-impact bugs that could have resulted in monetary and reputational loss
Applied strong analytical skills to test VR-based educational applications across various modules
Established quality standards and workflows to streamline testing processes

Technologies & Skills

Manual TestingBug TrackingTeam ManagementDocumentationQuality Assurance
2+
Years Experience
10+
Projects Completed
91%
Success Rate
Portfolio Showcase

Featured Projects

Discover my latest work in web development, AI integration, and digital innovation

Data Analytics
Completed
2 weeks

Weather Forecast Dashboard

Real-Time Weather Insights with Power BI + API Integration

An interactive dashboard built using Power BI and integrated with a real-time public Weather API to visualize and analyze key weather metrics. Designed to simplify fragmented weather data and support informed, data-driven decisions.

Key Features

  • Real-time weather data visualization including temperature, humidity, wind speed, and pressure
  • Multi-city comparison with dynamic filters for location and time
  • Interactive charts, slicers, and KPIs for intuitive forecasting insights
  • Responsive and clean UI design optimized for usability
  • Live API integration for up-to-date environmental conditions
  • Custom visuals for enhanced weather data representation

Deliverables

  • Power BI Dashboard with real-time API connectivity
  • Data model optimized for fast query performance
  • Dynamic report pages for multi-location analysis
  • Integrated slicers and filters for user interactivity
  • Forecast summary cards and KPI indicators
  • Documentation for dashboard usage and API structure

Technical Skills

Power BIREST APIMicrosoft Power QueryDAXCustom VisualsData Modeling
Data Analytics
Completed
1 week

HR Analytics Dashboard

Comprehensive Workforce Analysis in Power BI

A fully interactive HR Analytics Dashboard built in Power BI to help HR departments extract actionable insights from employee data. The dashboard centralizes demographic, attrition, and hiring trends to support strategic workforce planning.

Key Features

  • Employee demographic breakdown (gender, age group, marital status)
  • Department-wise employee count and attrition visualization
  • Geographical map showing distribution of employees across locations
  • Attrition trend analysis with multi-level filters (role, gender, department)
  • Hiring trend insights including monthly/quarterly joins and tenure distribution
  • Interactive slicers for dynamic filtering across all dimensions
  • User-friendly and intuitive layout for rapid data interpretation

Deliverables

  • Power BI dashboard with HR metrics visualization
  • DAX-powered KPIs like attrition rate, average tenure, and total headcount
  • Interactive filtering for role, department, education, and gender
  • Geographical map visuals with drill-down capabilities
  • Documentation and usage guide for HR stakeholders

Technical Skills

Power BIMicrosoft Power QueryDAXMicrosoft FabricData ModelingData Visualization
Healthcare Analytics
Completed
1 month

Patient Case Type Analysis Dashboard

Healthcare Analytics with Power BI

An advanced Power BI dashboard designed to analyze patient case types and monitor waitlist trends across medical specialties. Built to assist healthcare administrators in making data-informed decisions for operational efficiency and better patient outcomes.

Key Features

  • Time-series trend analysis of Day Case, Inpatient, and Outpatient volumes (2018–2021)
  • Top 5 specialty identification by patient volume (e.g., Anaesthetics, Cardiology)
  • Demographic segmentation by age bands and time durations (0–3 months to 18+ months)
  • Median waitlist duration tracker with dynamic, interactive visuals
  • Multi-level filters for case type, specialty, and time range
  • Bookmarks and tooltips for improved dashboard navigation and usability

Deliverables

  • Interactive Power BI dashboard with multi-specialty case analysis
  • Data model optimized for healthcare metrics and segmentation
  • DAX-based dynamic KPIs for rolling trend and demographic stats
  • Power Query-based ETL pipeline for raw data transformation
  • Waitlist analytics module with median duration and filters
  • Comprehensive usage documentation for hospital stakeholders

Technical Skills

Power BIMicrosoft Power QueryDAXMicrosoft FabricData ModelingStatistical Data Analysis
Business Intelligence
Completed
1 week

Mahadev Sales Dashboard

Interactive Sales Performance Analytics with Power BI

A Power BI-driven interactive dashboard built to analyze and monitor sales performance across products, regions, and time periods. The project helps stakeholders gain a clear understanding of KPIs, spot trends, and drive informed decisions with data storytelling.

Key Features

  • Region-wise and product-wise sales segmentation
  • Monthly time-series analysis to detect trends and seasonality
  • Dynamic filters and slicers for real-time data interaction
  • KPI cards showing total sales, top-performing products, and growth rates
  • Clean visual layout for quick decision-making insights
  • Scalable design allowing easy updates with new data

Deliverables

  • Interactive Power BI dashboard with sales insights
  • Custom DAX measures for accurate KPI calculations
  • ETL pipeline using Power Query for data cleaning and shaping
  • Time-series analysis module with trend visualizations
  • Documentation for dashboard usage and KPI definitions

Technical Skills

Power BIDAXMicrosoft Power QueryData ModelingMicrosoft FabricTime Series Analysis
Data Analytics
Completed
1 month

Amazon Sales Dashboard

E-commerce Performance Insights in Power BI

An interactive sales analytics dashboard built in Power BI to provide a detailed overview of Amazon's sales performance. The dashboard transforms raw transactional data into actionable insights across product categories, regions, and time periods to support e-commerce strategy.

Key Features

  • Sales and revenue trend analysis with dynamic date filters
  • Top-performing product and category visualizations
  • Geographical breakdown of regional sales performance
  • Profit margin tracking across SKUs and categories
  • Return rate insights to identify operational inefficiencies
  • Interactive slicers for product, region, time, and status
  • Custom KPIs for orders, profit, returns, and growth rate

Deliverables

  • Power BI dashboard for Amazon sales metrics and trends
  • DAX-powered measures including total sales, profit margin, return rate
  • Data model with relationships between orders, products, and geography
  • User-centric dashboard layout with tooltips and filters
  • End-to-end documentation and walkthrough video for demo

Technical Skills

Power BIDAXPower QueryData ModelingData VisualizationE-commerce Analytics
Data Analytics
Completed
3 weeks

Zomato Analytics Dashboard

Food Delivery Insights Visualized with Power BI

An end-to-end Power BI dashboard designed to simulate and analyze key operational metrics of a food delivery platform like Zomato. The dashboard offers strategic insights into restaurant performance, order behavior, and sales trends to support data-driven decisions in the food tech industry.

Key Features

  • Top-performing restaurants by rating, revenue, and number of orders
  • Time-based trends showing peak order hours and daily patterns
  • City and cuisine-wise sales distribution using visual maps
  • Interactive slicers for filtering data by city, cuisine, restaurant, and more
  • Sales vs. order volume analysis with dynamic visuals
  • Geo-analysis of customer demand and restaurant locations
  • Clean and intuitive layout with drill-through for deeper exploration

Deliverables

  • Power BI dashboard with complete restaurant and customer analytics
  • DAX-powered KPIs such as total orders, average revenue, and customer count
  • Visuals for time trends, category segmentation, and top contributors
  • Interactive filters and drill-down functionality across all views
  • Documentation and navigation guide for stakeholders or decision-makers

Technical Skills

Power BIMicrosoft Power QueryDAXData ModelingData Visualization
Client Stories

Testimonials Wall

Real feedback from real clients who trusted me with their projects

Featured Review
Mihir is one of those developers you can count on when things get tough. He quickly diagnosed a performance issue in our Java application that had stumped others, and implemented a clean, effective solution.
5.0
SK
Sneha Kulkarni
Senior Software Engineer

Client Testimonials

Honest feedback from clients I've had the pleasure to work with

5.0
"Working with Mihir was a breeze. As the project lead, he managed the roadmap, kept everyone aligned, and made sure deadlines were met without compromising quality. A natural at project management."
RM
Rahul Mehra
Product Owner
5.0
"Mihir created dashboards that made our data actually useful. What impressed me most was how quickly he understood the business problem and translated it into visuals that made sense to everyone on the team."
PI
Pooja Iyer
HR Manager
5.0
"He took complete ownership of the Java microservices migration. From planning to implementation, Mihir was hands-on, technically sound, and always ready to support others. He’s a solid team player."
AJ
Aniket Joshi
Engineering Manager
Professional Credentials

Certifications

Professional certifications and credentials that validate my expertise in modern technologies and development practices.

Verified

Jira Agile Fundamentals

Platform:Udemy
Issued:July, 2025

Skills Validated

jiraagile project management
Verified

Power BI Essential Training (2022)

Platform:Linkedin Learning
Issued:June, 2025

Skills Validated

microsoft power bimicrosoft fabricdata modelingdata sciencedata analysisdata cleaningdata visualization
Verified

Prompt Engineering: How to Talk to the AIs

Platform:Linkedin Learning
Issued:May, 2025

Skills Validated

Large Language Models(LLM)Generative AIPrompt Engineering
Verified

Complete Web & Mobile Designer: UI/UX, Figma, +more

Platform:Udemy
Issued:September, 2023

Skills Validated

UI/UX DesignFigmaWireframingPrototypingDesign SystemsResponsive Web DesignHTML5CSS3AccessibilityTypography
Verified

Complete Web Development

Platform:Udemy
Issued:August, 2023

Skills Validated

HTML/HTML5CSS/CSS3Bootstrap 5Javascript (ES6/ES7/ES8/ES9/ES10/ES2020)ReactGit + GithubCommand LineNode.jsExpress.jsNPMRESTful API DesignPostgresSQLSQLAuthenticationAuthorizationScalable InfrastructureSecurityProduction and Deployment
Verified

CSS, Bootstrap, and Javascript Web Development Course

Platform:Udemy
Issued:February, 2023

Skills Validated

CSSBootstrapJavascriptStyling
Verified

HTML5 - From Basics to Advanced level

Platform:Udemy
Issued:February, 2023

Skills Validated

HTML/HTML5Semantic UI
7 Professional Certifications
Verified by Industry Leaders
Contact

Let's Work Together

Ready to bring your ideas to life? I'm always excited to work on interesting projects and collaborate with amazing people. Let's create something extraordinary together.

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