Person peeking from behind laptop
Available for new opportunities

Hi, I'm Bittu Kumar, a Full Stack Developer.

As a software engineer experienced in Angular, React, Spring Boot, and cloud-native technologies, I specialize in building enterprise-grade web applications with a strong focus on performance, maintainability, and user experience. Let's collaborate to bring reliability, scalability, and innovation to your next digital initiative.

IMPACT THROUGH INNOVATION

Driving Digital Transformation with Full-Stack Expertise

See how I solve real-world problems through robust full-stack solutions and modern cloud technologies.

Societe Generale2024–Today

Web Platform for DAYONE


  • Encompassing 40+ dynamic UI components & REST endpoints
  • Implemented CI/CD pipelines, Spring Batch data flows, Spark-based performance modules
  • Backend built with Spring Boot, integrated with Angular/React frontends
  • Containerized using Docker & orchestrated via Kubernetes
  • Achieved 90%+ code coverage with JUnit and Sonar integration
  • Outcome: 25% increase in user engagement, 30+ hours saved monthly in deployment
Societe Generale2022-2024

SGMarkets Legacy Modernization (Quartz)


  • Migrated legacy monolith to microservices-based architecture
  • Implemented 10+ new React modules & optimized Spring Boot APIs
  • Enhanced SQL performance by ~80%
  • Reduced session login time by 2 minutes per user
  • Resulted in ~€30,000 annual savings in operational efficiency
  • Outcome: 50% reduction in component development time
Samsung Research2022-Internship

Android Messaging Module


  • Collaborated across 3+ teams to deliver seamless feature updates
  • Focused on responsiveness, debugging, and UI stability

COMMITTED TO CONTINUOUS LEARNING

Building Expertise Through Industry-Recognized Certifications

I actively invest in expanding my technical and architectural knowledge through well-structured certification programs. Here are some credentials that reflect my dedication to staying ahead in cloud, system design, cybersecurity, and data engineering.

AlgoExpert

System Design


  • Designed scalable, distributed system architectures
  • Learned techniques like load balancing, caching, sharding, and eventual consistency
  • Practiced real-world designs for systems like Twitter, Dropbox, and Slack
Microsoft

AZ-900: Azure Fundamentals


  • Built foundational understanding of Azure cloud services and deployment models
  • Learned key concepts of IaaS, PaaS, and SaaS
  • Explored cost management, SLAs, compliance, and cloud security
Coursera

Basics of Cybersecurity


  • Understood core principles like confidentiality, integrity, and availability
  • Learned about threats like phishing, malware, and social engineering
  • Built awareness of secure authentication and encryption techniques
Societe Generale

Data Engineering


  • Worked on real-time and batch data pipelines using Apache Spark and Spring Batch
  • Learned data ingestion, transformation, and performance tuning techniques
  • Explored enterprise-scale data architecture and optimization patterns
Efficient
Responsive
Secure
Reliable
Scalable
Interactive
Maintainable
Tested
Optimized
Cloud-Native
Efficient
Responsive
Secure
Reliable
Scalable
Interactive
Maintainable
Tested
Optimized
Cloud-Native

Professional Feedback

What Colleagues and Mentors Say About Me

I have had the privilege of working with talented teams and experienced leaders throughout my journey. Here's what they've shared about my work ethic, collaboration, and technical capabilities.

Nimish
Nimish
Colleague @ Societe Generale

Consistent and reliable developer with strong Java/Spring skills and scalable thinking. Quick learner, proactive, and calm under pressure. Writes clean code, excels at debugging, meets deadlines, supports peers in reviews, and delivers thoughtful, detail-focused solutions.

Aniruddha
Aniruddha
Ex Senior Software Engineer @ Societe Generale

Bittu is a dependable, high-performing teammate with strong cloud-native skills. Expert in Angular, sharp with React, and confident in Docker/Kubernetes. Writes clean, tested code, understands product needs, and works collaboratively to deliver real impact.

Pradeep
Pradeep
Manager @ Societe Generale

Structured and disciplined developer with strong CI/CD focus and backend clarity. Ownership-driven, analytical, DevOps aligned, and stable under pressure. Delivers quality-first solutions, excels at refactoring, understands batch processing, and communicates with confidence and respect.

Nimish
Nimish
Colleague @ Societe Generale

Consistent and reliable developer with strong Java/Spring skills and scalable thinking. Quick learner, proactive, and calm under pressure. Writes clean code, excels at debugging, meets deadlines, supports peers in reviews, and delivers thoughtful, detail-focused solutions.

Aniruddha
Aniruddha
Ex Senior Software Engineer @ Societe Generale

Bittu is a dependable, high-performing teammate with strong cloud-native skills. Expert in Angular, sharp with React, and confident in Docker/Kubernetes. Writes clean, tested code, understands product needs, and works collaboratively to deliver real impact.

Pradeep
Pradeep
Manager @ Societe Generale

Structured and disciplined developer with strong CI/CD focus and backend clarity. Ownership-driven, analytical, DevOps aligned, and stable under pressure. Delivers quality-first solutions, excels at refactoring, understands batch processing, and communicates with confidence and respect.

About Me

A Glimpse Into My World

Get to know my work, mindset, and what fuels my passion for building scalable, reliable software.

My Reads

Explore the book shaping my perspectives.

Book Cover Image

My Toolbox

Explore the technologies and tools I use to craft exceptional digital experiences.

HTML5
CSS
C++
Java
SQL
Angular
Spring Boot
Apache Spark
Docker
Kubernetes
JavaScript
TypeScript
Node.js
Swagger
Postman
React
MongoDB
Git
Github
Visual Studio Code
Vercel
HTML5
CSS
C++
Java
SQL
Angular
Spring Boot
Apache Spark
Docker
Kubernetes
JavaScript
TypeScript
Node.js
Swagger
Postman
React
MongoDB
Git
Github
Visual Studio Code
Vercel
HTML5
CSS
C++
Java
SQL
Angular
Spring Boot
Apache Spark
Docker
Kubernetes
JavaScript
TypeScript
Node.js
Swagger
Postman
React
MongoDB
Git
Github
Visual Studio Code
Vercel
HTML5
CSS
C++
Java
SQL
Angular
Spring Boot
Apache Spark
Docker
Kubernetes
JavaScript
TypeScript
Node.js
Swagger
Postman
React
MongoDB
Git
Github
Visual Studio Code
Vercel

Beyond the Code

Explore my interests and hobbies beyond the digital realm.

Cricket🏏
Photography📸
Bike Rides🏍️
Gaming🎮
Music🎵
Adventures🚵
Workout & Fitness🏋️
Reading📚
Map Image
Smile Memoji

Let's Build Smart, Scalable Software Together

With hands-on experience in building enterprise-grade applications using Angular, React, Spring Boot, and cloud-native tools like Docker and Kubernetes, I specialize in transforming complex requirements into robust, scalable, and high-performing web solutions. Whether you are modernizing legacy infrastructure or launching a new product, I am ready to help turn your vision into reality.