Aryan Kumar

About Me

Software Engineer with a growth mindset. Proven track record of building scalable open-source solutions and eager to apply engineering principles to solve real-world problems. Experienced in Multi-Agent Systems, Microservices, and Full Stack Development.

Full-Stack Development

From React, Spring Boot to Node.js, building end-to-end production-grade solutions

Problem Solving Mindset

Creative solutions to complex engineering challenges

Performance

Optimized code and scalable architectures

Featured Projects

Explore my recent work spanning microservices, AI, and full-stack development

Agentic AI Candidate Career Platform

July 2025

Multi-agent system built with crewAI to automate resume tailoring and interview preparation. Analyzes job postings, profiles candidates, and generates targeted interview materials.

Multi-Agent Systems

Python

crewAI

LLMs

OpenAI

View Source

Piezoelectrics AI Discovery Lab

Aug 2024

AI-assisted discovery of lead-free piezoelectric materials using ensemble ML models. Achieved 69% R² score using Random Forest and XGBoost.

Machine Learning

FastAPI

React

XGBoost

LightGBM

Materials Science

View Source

Professional Networking Platform

Jan 2025

Distributed microservices platform supporting 10,000+ concurrent users. 6+ Java Spring Boot microservices with Kafka event streaming, deployed on Docker & Kubernetes.

Microservices

Docker

Kubernetes

Spring Boot

Neo4j

Kafka

PostgreSQL

View Source

Ride-Booking Engine

Oct 2024

Production-grade ride-booking backend with real-time matching, wallet payments, and geospatial features. Uses PostGIS for location services.

Java

Spring Boot

Spring Security

PostgreSQL

PostGIS

JWT

REST APIs

View Source

Flight Difficulty Scoring Model

Sep 2024

Data-driven operational framework quantifying flight complexity from multi-source operational data. Engineered 30+ features across ground time, baggage, passenger dynamics.

Python

Pandas

Feature Engineering

Data Analysis

EDA

YAML Configuration

View Source

Consumer Behavior Analysis

Nov 2024

Big data analysis of Amazon customer reviews using PySpark for ETL. Applied K-Means clustering for customer segmentation and Apriori algorithm.

PySpark

Python

Machine Learning

NLP

AWS

SQL

K-Means

Apriori

View Source

Professional Experience

Featured roles and contributions

Google Summer of Code Contributor

Apache Software Foundation

May 2025 - Present

Selected in top 5% of 23,000+ applicants worldwide

Key Contributions:

→Implementing generalized OpenID Connect (OIDC) authentication for Apache DolphinScheduler
→Enabling integration with Keycloak, Okta, and Azure AD for enterprise authentication
→Designing and executing comprehensive testing (JUnit/Mockito, Selenium/Testcontainers)
→Creating detailed documentation for OIDC integration reliability
→Contributing to Apache open-source project enhancing security features

Java

Spring Security

Nimbus OIDC SDK

Vue.js

JUnit

Mockito

Selenium

Education

Academic background and qualifications

Punjab Engineering College

B.Tech in Metallurgical and Materials Engineering

Aug 2023 - May 2027

Minor Specialization in Data Science
Relevant Coursework: Data Structures & Algorithms, Object-Oriented Programming, DBMS
CGPA: 7.91
Joint Head, E-Summit: Executed operations for premier event

St. Xavier's School

Senior Secondary Education (ISC Board)

2019 - 2021

Ranchi, Jharkhand
Focus on Science and Mathematics

St. Ann's School

Secondary Education (ICSE Board)

2007 - 2019

Ramgarh, Jharkhand
Foundation in core subjects

Certifications

Professional certifications and credentials

Spring Boot 0 to 1 - Fundamentals

CodingShuttle

View Certificate

Spring Boot 1 to 100 - Expert

CodingShuttle

View Certificate

React 19 Course 0 to 1

CodingShuttle

View Certificate

React 19 Course 1 to 100

CodingShuttle

In Progress

Leadership & Achievements

Achievements

Top 5% of 23,000+ applicants worldwide

Selected for Google Summer of Code 2025, contributing to Apache Software Foundation

2025

First Merged Pull Request

Recognized for successful contribution to Apache DolphinScheduler open-source project

2025

Full Stack Development Expertise

Completed multiple complex projects spanning microservices, databases, and frontend technologies

2024-2025

Leadership Roles

Implementation Body Member

IEEE PEC Student Branch, Chandigarh

Sep 2024 - Present

Leading technical initiatives and implementation of projects

Member (Previously Member)

IEEE PEC Student Branch, Chandigarh

Jan 2024 - Sep 2024

Active participant in technical and community-building activities

Volunteer

NSS PEC (National Service Scheme)

Aug 2023 - Present

Teaching students in ABHA Program (community service initiative)

Open Source Contributions

Contributing to major open-source projects

Fix DataSource/JDBC connection failure

apache/dolphinscheduler • PR #17081 • Issue #17073

Merged

Mar 2025

Fixed JDBC connection failure to Hive by correcting the JDBC URL construction, changing separator from (?) to (;) for connection parameters

Java

Apache DolphinScheduler

View PR

Support setting max.concurrent.workflow.instances

apache/dolphinscheduler • PR #17159 • Issue #17157

Merged

Jul 2025

Implemented new configuration option to limit concurrent workflow instances on master server, enhancing server load protection and preventing overload scenarios

Key Implementations:

✓Added configuration property: max.concurrent.workflow.instances
✓Refactored MasterServerLoadProtection with system resource thresholds
✓Resolved NullPointerException during MasterServer startup
✓Created comprehensive unit tests covering new functionality
✓Updated documentation with configuration examples

Java

Spring

Apache DolphinScheduler

View PR

Skills & Tech Stack

Technologies and tools I work with

Java

React

TypeScript

Next.js

Spring Boot

Python

PostgreSQL

Docker

Git

Tailwind CSS

MongoDB

Redis

Articles & Insights

Technical articles, insights, and contributions about my work in software development

Featured

Spring Boot

Building Secure Authentication with OpenID Connect in Spring Boot

A comprehensive guide on implementing OIDC authentication in Apache DolphinScheduler for enterprise-grade security with Keycloak, Okta, and Azure AD integration.

SecurityOpenID ConnectSpring SecurityEnterprise

July 2025

8 min read

Read

Google Summer of Code 2025 Experience: Contributing to Apache DolphinScheduler

Featured

Open Source

Google Summer of Code 2025 Experience: Contributing to Apache DolphinScheduler

Insights and learnings from being selected in the top 5% of 23,000+ GSoC applicants and my journey contributing to Apache open-source projects.

GSoCOpen SourceApacheJava

June 2025

10 min read

Read

Understanding Distributed Systems Patterns

Featured

System Design

Understanding Distributed Systems Patterns

Explaining core patterns like Circuit Breaker, Saga, and CQRS with simple analogies and code snippets.

Distributed SystemsBackendArchitecture

Sep 2025

9 min read

Read

About Me

Full-Stack Development

Problem Solving Mindset

Performance

Featured Projects

Professional Experience

Google Summer of Code Contributor

Education

Certifications

Spring Boot 0 to 1 - Fundamentals

Spring Boot 1 to 100 - Expert

React 19 Course 0 to 1

React 19 Course 1 to 100

Leadership & Achievements

Achievements

Top 5% of 23,000+ applicants worldwide

First Merged Pull Request

Full Stack Development Expertise

Leadership Roles

Implementation Body Member

Member (Previously Member)

Volunteer

Open Source Contributions

Fix DataSource/JDBC connection failure

Support setting max.concurrent.workflow.instances

Skills & Tech Stack

Articles & Insights

Building Secure Authentication with OpenID Connect in Spring Boot

Google Summer of Code 2025 Experience: Contributing to Apache DolphinScheduler

Understanding Distributed Systems Patterns

More Articles

Get In Touch

Email

GitHub

LinkedIn

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