@Service
@Component
public class GauravSingh implements SeniorBackendDeveloper {
@Value("${developer.role}")
private final String role = "Senior Java Backend Engineer";
@Value("${developer.location}")
private final String location = "India 🇮🇳";
@Value("${developer.experience}")
private final String experience = "3+ Years in Enterprise Solutions";
private final List<String> currentFocus = Arrays.asList(
"Spring Boot 3.x Microservices Architecture",
"Cloud-Native Application Development (AWS, Azure)",
"System Design & Distributed Systems",
"Kubernetes & Container Orchestration",
"Event-Driven Architecture with Kafka"
);
@Override
public Map<String, Object> getTechnicalSkills() {
return Map.of(
"languages", List.of("Java 17/21", "SQL", "Python", "JavaScript"),
"coreFrameworks", List.of("Spring Boot 3.x", "Spring Cloud", "Spring Security", "Spring Data JPA"),
"microservices", List.of("Eureka", "Zuul", "API Gateway", "Config Server", "Feign Client"),
"architecture", List.of("Microservices", "Event-Driven", "REST APIs", "CQRS", "Saga Pattern"),
"databases", List.of("PostgreSQL", "MySQL", "MongoDB", "Redis", "Elasticsearch"),
"messaging", List.of("Apache Kafka", "RabbitMQ", "ActiveMQ", "AWS SQS"),
"devOps", List.of("Docker", "Kubernetes", "Jenkins", "GitHub Actions", "GitLab CI"),
"cloud", List.of("AWS (EC2, S3, Lambda, RDS)", "Azure", "GCP"),
"testing", List.of("JUnit 5", "Mockito", "TestContainers", "Rest Assured"),
"monitoring", List.of("Prometheus", "Grafana", "ELK Stack", "Zipkin", "Jaeger")
);
}
@Override
public String getCurrentGoal() {
return "Building enterprise-grade microservices that scale to millions of users with 99.99% uptime";
}
@Override
public String getPhilosophy() {
return "Clean Code + Robust Architecture + Continuous Learning = Software Excellence";
}
}- 🔭 Building: Production-grade microservices with Spring Boot 3.x, Spring Cloud & Netflix OSS
- 🌱 Learning: Advanced Kubernetes (Service Mesh with Istio), System Design, Cloud Architecture Patterns
- 👯 Collaborating: Open to contributing to Spring ecosystem & open-source Java projects
- 🎓 Exploring: Event Sourcing, CQRS, Domain-Driven Design (DDD), Reactive Programming
- 💼 Experience: 3+ years developing scalable backend systems for enterprise applications
- 📫 Reach me: mannusingh2217@gmail.com
- ⚡ Philosophy: "Write code that humans can read, machines can execute, and future you won't hate"
- 🎯 Specialty: Microservices Architecture, High-Performance APIs, Distributed Systems
graph TB
subgraph "Client Layer"
A[Web Client] & B[Mobile App] & C[Third Party]
end
subgraph "API Gateway Layer"
D[Spring Cloud Gateway]
E[Load Balancer]
end
subgraph "Service Discovery"
F[Eureka Server]
end
subgraph "Microservices"
G[User Service]
H[Order Service]
I[Payment Service]
J[Notification Service]
end
subgraph "Data Layer"
K[PostgreSQL]
L[MongoDB]
M[Redis Cache]
end
subgraph "Message Queue"
N[Apache Kafka]
O[RabbitMQ]
end
subgraph "Observability"
P[Prometheus]
Q[Grafana]
R[ELK Stack]
end
A & B & C --> D
D --> E
E --> F
F --> G & H & I & J
G & H & I & J --> K & L & M
G & H & I & J --> N & O
G & H & I & J --> P
P --> Q
G & H & I & J --> R
| Pattern | Implementation | Tools & Technologies |
|---|---|---|
| 🔍 Service Discovery | Dynamic service registration & lookup | Netflix Eureka, Consul, Zookeeper |
| 🚪 API Gateway | Single entry point, routing, authentication | Spring Cloud Gateway, Zuul, Kong |
| ⚙️ Config Management | Centralized external configuration | Spring Cloud Config, Consul KV |
| 🛡️ Circuit Breaker | Fault tolerance & resilience patterns | Resilience4j, Hystrix |
| 📍 Distributed Tracing | End-to-end request flow monitoring | Spring Cloud Sleuth, Zipkin, Jaeger |
| 📨 Event-Driven Architecture | Asynchronous inter-service communication | Apache Kafka, RabbitMQ, Event Sourcing |
| 🕸️ Service Mesh | Advanced service-to-service networking | Istio, Linkerd, Consul Connect |
| ⚖️ Load Balancing | Distribute traffic across service instances | Ribbon, Spring Cloud LoadBalancer |
| 🔐 API Authentication | Secure service-to-service communication | OAuth2, JWT, Spring Security |
| 🎭 CQRS Pattern | Command Query Responsibility Segregation | Axon Framework, Event Store |
| 📦 Saga Pattern | Distributed transaction management | Choreography, Orchestration |
| 🔄 Rate Limiting | Protect services from overload | Bucket4j, Redis Rate Limiter |
| 📝 Article | 🏷️ Topic | 📅 Published |
|---|---|---|
| Building Production-Ready Microservices | Spring Boot, Microservices | 2024 |
| Implementing Circuit Breaker Pattern | Resilience4j, Fault Tolerance | 2024 |
| Event-Driven Architecture with Kafka | Apache Kafka, Async Communication | 2024 |
| Securing Microservices with OAuth2 | Spring Security, JWT | 2024 |
| Kubernetes Deployment for Spring Boot | Kubernetes, DevOps | 2024 |
| Database Sharding in Microservices | Scalability, Database Design | 2024 |
|
🔥 150+ Problems Solved ⭐ Rating: 1650+ |
⭐ 5 Stars in Java 🏆 Problem Solving Expert |
📚 200+ Problems 🎯 DSA Specialist |
|
|
- ✅ Built and deployed 10+ production microservices serving 1M+ users
- ✅ Reduced API response time by 60% through optimization techniques
- ✅ Implemented CI/CD pipelines reducing deployment time by 75%
- ✅ Led migration of monolith to microservices architecture
- ✅ Mentored 15+ junior developers in Spring Boot ecosystem
- ✅ Contributed to 5+ open-source Spring projects
💼 Professional Setup:
Primary_OS:
- Ubuntu 22.04 LTS
- macOS Sonoma
- Windows 11 (WSL2)
IDEs_&_Editors:
Primary: "IntelliJ IDEA Ultimate 2024.x"
Secondary: "VS Code with Java Extensions"
Database: "DBeaver Community Edition"
API_Testing: "Postman, Insomnia"
Terminal_Setup:
Shell: "Zsh with Oh-My-Zsh"
Theme: "Powerlevel10k"
Plugins: [git, docker, kubectl, maven, spring]
Development_Tools:
Containerization: [Docker Desktop, Podman]
Orchestration: [Kubernetes, Docker Compose]
Message_Queue: [Kafka Manager, RabbitMQ Management]
Cache: [Redis Commander, RedisInsight]
Monitoring: [Prometheus, Grafana, Kibana]
API_Gateway: [Kong, Postman]
Productivity_Tools:
Documentation: [Notion, Confluence, Draw.io]
Project_Management: [Jira, Trello, ClickUp]
Communication: [Slack, Microsoft Teams, Discord]
Version_Control: [Git, GitHub Desktop, Sourcetree]
Code_Quality: [SonarLint, CheckStyle]
Browser_Extensions:
- JSON Formatter
- React Developer Tools
- Redux DevTools
- Postman Interceptor
- Lighthouse
Cloud_CLI_Tools:
- AWS CLI v2
- Azure CLI
- Google Cloud SDK
- kubectl
- Terraform CLI
- Helmgantt
title 2025 Learning & Contribution Goals
dateFormat YYYY-MM
section Open Source
Contribute to Spring Framework :2025-01, 6M
Build Microservices Template :2025-03, 4M
Create DevOps Utilities :2025-05, 3M
section Technical Skills
Master Kubernetes & Istio :2025-01, 6M
Learn System Design Patterns :2025-02, 5M
Advanced Cloud Architecture :2025-04, 4M
section Content Creation
Write Technical Articles :2025-01, 12M
Create YouTube Tutorials :2025-06, 6M
Speak at Conferences :2025-09, 3M
section Mentorship
Mentor Junior Developers :2025-01, 12M
Conduct Workshops :2025-04, 8M
-
Open Source Contributions
- Contribute to Spring Framework core modules
- Build and open-source a complete microservices starter template
- Create utilities for microservices monitoring and debugging
- Contribute to Apache Kafka ecosystem
-
Technical Mastery
- Master Kubernetes, Helm, and Istio service mesh
- Deep dive into distributed systems and System Design
- Achieve expertise in AWS/Azure cloud architecture
- Learn reactive programming with Spring WebFlux
-
Content Creation
- Write 24+ technical articles on Medium/Dev.to
- Create comprehensive Spring Boot tutorial series
- Launch YouTube channel for Java/Spring tutorials
- Speak at 2+ technical conferences
-
Community & Mentorship
- Mentor 20+ junior developers
- Conduct 5+ workshops on microservices
- Build a learning community around Spring Boot
- Achieve 1000+ GitHub contributions
Java 15 hrs 45 mins ████████████░░░░░░░░░ 52.30%
YAML 4 hrs 30 mins ████░░░░░░░░░░░░░░░░░ 14.90%
SQL 3 hrs 20 mins ███░░░░░░░░░░░░░░░░░░ 11.10%
Markdown 2 hrs 45 mins ██░░░░░░░░░░░░░░░░░░░ 09.20%
XML 2 hrs 10 mins █░░░░░░░░░░░░░░░░░░░░ 07.20%
Docker 1 hr 30 mins █░░░░░░░░░░░░░░░░░░░░ 05.30%
I’m open to collaborating on:
- 🚀 Microservices & distributed systems at scale
- 💼 Enterprise Java / Spring Boot applications
- 🧩 System design & backend architecture
- 🎓 Mentoring backend engineers
- 📝 Open-source contributions in the Spring ecosystem
- 🗣️ Technical talks and knowledge sharing
- 📧 Email: mannusingh2217@gmail.com
- 💼 LinkedIn: Connect with me
- 🐦 X (Twitter): @GauravSinghDev
If you find my work useful:
- ⭐ Star repositories you like
- 🍴 Fork and contribute
- 💬 Reach out for collaboration or discussion
💡 "Building the future, one microservice at a time."
⚡ Crafted with passion by Gaurav Singh | Last updated: December 2024
📌 How to Setup Snake Animation (Click to expand)
To enable the Contribution Snake Animation on your profile:
Create .github/workflows/snake.yml in your profile repository (GauravSingh3822/GauravSingh3822):
name: Generate Snake Animation
on:
schedule:
- cron: "0 */12 * * *" # Runs every 12 hours
workflow_dispatch:
push:
branches:
- main
jobs:
generate:
runs-on: ubuntu-latest
timeout-minutes: 10
steps:
- name: Checkout repository
uses: actions/checkout@v3
- name: Generate snake animation
uses: Platane/snk/svg-only@v3
with:
github_user_name: GauravSingh3822
outputs: |
dist/github-contribution-grid-snake.svg
dist/github-contribution-grid-snake-dark.svg?palette=github-dark
dist/ocean.gif?color_snake=orange&color_dots=#bfd6f6,#8dbdff,#64a1f4,#4b91f1,#3c7dd9
- name: Deploy to GitHub Pages
uses: crazy-max/ghaction-github-pages@v3.1.0
with:
target_branch: output
build_dir: dist
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}- Go to your profile repository settings
- Navigate to Actions → General
- Enable Allow all actions and reusable workflows
- Save changes
- Go to Actions tab in your repository
- Select Generate Snake Animation workflow
- Click Run workflow → Run workflow
- Wait for completion (takes ~1 minute)
The snake animation will be available at:
- Dark mode:
https://raw.githubusercontent.com/GauravSingh3822/GauravSingh3822/output/github-contribution-grid-snake-dark.svg - Light mode:
https://raw.githubusercontent.com/GauravSingh3822/GauravSingh3822/output/github-contribution-grid-snake.svg
📊 How to Setup WakaTime Stats (Click to expand)
- Sign up at WakaTime.com
- Install WakaTime plugin for your IDE (IntelliJ IDEA)
- Get your API key from Settings
Create .github/workflows/waka-readme.yml:
name: Waka Readme
on:
schedule:
- cron: '0 0 * * *' # Runs at 00:00 UTC every day
workflow_dispatch:
jobs:
update-readme:
name: Update this repo's README
runs-on: ubuntu-latest
steps:
- uses: athul/waka-readme@master
with:
WAKATIME_API_KEY: ${{ secrets.WAKATIME_API_KEY }}- Go to repository Settings → Secrets and variables → Actions
- Click New repository secret
- Name:
WAKATIME_API_KEY - Value: Your WakaTime API key
- Click Add secret
Add this in your README where you want stats:
<!--START_SECTION:waka-->
<!--END_SECTION:waka-->The workflow will automatically update your coding stats daily!



