INTRO
I'm Joy Sam Raj
I ❤️ building
better future
Senior Full Stack Engineer with 5+ years of experience across B2B SaaS, e-commerce and consulting. I own key technical decisions at The WALT AI, from frontend architecture and real-time messaging to an Electron desktop app and Kubernetes deployments, and I founded Kallardo and DevDukes Technologies. I build with React, Next.js, TypeScript, Python (Django, FastAPI), React Native and AWS.
10+
COMMERCIAL PRODUCTSMADE
5+
YEARS OFPROFESSIONAL EXPERIENCE
Founder of Kallardo
As the founder of Kallardo, I wear multiple hats in the tech world. I specialize in backend development, ensuring the behind-the-scenes of our platform runs smoothly. On the frontend, I focus on creating a user-friendly interface for our website and mobile app. With a keen interest in cybersecurity, I make sure our users' data is secure. Additionally, I handle SEO to enhance our online visibility.
October 2022 — March 2025Founder of DevDukes Technologies
I am the founder of DevDukes Technologies Private Limited, a dynamic company specializing in developing websites, web applications, mobile apps, desktop applications, SEO, and data scraping solutions. My robust background in full stack development and leadership skills drive DevDukes to new heights with innovative solutions. Additionally, I leverage DevDukes' income to fund Kallardo, showcasing my commitment to technological advancement and community growth.
June 2024 — January 2026Experience
Senior Full Stack Engineer
The WALT AI
Bangalore, India (HQ: California, USA)
Feb 2026 — Sept 2026Full Stack Developer (Full-Time Consultant)
Mindshare United Foundation
Bangalore, India
Apr 2025 — Jul 2025Senior student coordinator
KHacks
Coimbatore, India
Jan 2022 — Jan 2023Student coordinator
KHacks
Coimbatore, India
May 2021 — Dec 2021Full Stack Developer
Inclusive Minds
Bangalore, India
May 2021 — Dec 2021Software Freelancer
Self-Employed
Kanyakumari, India
Mar 2021 — Mar 2022Education
Karunya University
B.Tech Computer Science and Engineering
Coimbatore, India
2020 - 2022PRIST University
B.Tech Computer Science and Engineering
Chennai, India
2022 - 2024Services
Services available
Transform your business with our expert services, tailored to meet your unique needs and drive success through innovation and collaboration.
Website Application
Elevate your online presence with a sleek and user-friendly website application, engaging customers and driving conversions with ease.
Android Application
Maximize user engagement with a dynamic Android app, empowering your business to reach new audiences.
IOS Application
Elevate your business with a cutting-edge iOS app, offering unparalleled user engagement and seamless functionality.
Data Scraping
Efficiently extract valuable insights from diverse data sources to drive business decisions and enhance strategic planning.
Cyber Security
Protect your business from cyber threats with our reliable and cutting-edge cybersecurity solutions.
SEO Marketing
Boost your online visibility and drive traffic to your website with our expert SEO services, tailored to your business goals.
Portfolio
My latest Projects & Products
Explore my portfolio of innovative projects, showcasing my skills with a focus on user experience and seamless functionality.
Skills
Technical skills
My technical skills enable me to develop quality software and provide efficient solutions to complex problems.
Soft skills
Soft skills that drive my work
Soft skills are vital for developers to effectively communicate, collaborate, and problem-solve with clients and team members.
Contact
Get in touch
Get in touch with me to discuss how I can help bring your ideas to life. Let's work together!
I live in
Bangalore
Karnataka,India