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 mostly work as an individual contributor, owning features end to end, from frontend architecture and real-time messaging to desktop apps and cloud deployments, while working closely with designers, product and fellow engineers. 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.
Fleet Management App
Track vehicles, drivers, expenses and oil-change schedules in one place. Built with Next.js and shadcn/ui, backed by a NestJS and Prisma API.
Hostel Supplies
Discover essential products for efficient hostel management and enhanced guest experiences.
Hostel Supplies
Discover essential products for efficient hostel management and enhanced guest experiences.
Food Ordering App
Discover a world of flavors at your fingertips with our easy-to-use food ordering android app, bringing your favorite restaurants to you.
Food Ordering Website
Discover a world of flavors at your fingertips with our easy-to-use food ordering website, bringing your favorite restaurants to you.
Currently you are looking at it
Impress potential clients or employers with my unique talents and achievements on my own professional portfolio website.
To showcase skills
To showcase my skills and achievements to potential clients and employers with a sleek and professional personal portfolio website.
Billing software with printer integeration
Streamline your billing and invoicing process with our user-friendly desktop software application, helping to finance with ease.
Billing software for hotels
Streamline your billing and room management with our user-friendly desktop software application, helping to finance with ease
Basic billing software
Basic billing software that operates with creation and deletion of data. Uses Java Swing and SQLite for better performance.
Enhanced Installation experience
Installation process significantly improved, now streamlined and user-friendly. Credit goes to respective owners
Blockchain based real estate
This is a web app integrated with block chain. We worked togather as a team and I had worked on front-end and back-end part.
Finance advisor for illiterated people
Finance advisor helps people to make aware of the basic financial knowledge to invest and manage their personal finances.
Covid Management website
A Hackathon project which helps college and students can ensure that students are safe to come to college and learn via remote.
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.
Communication
The ability to explain technical concepts in simple terms to non-technical stakeholders.
Attention to detail
The ability to spot errors and inconsistencies in code and documentation
Adaptability
The ability to quickly learn new technologies and programming languages.
Problem-solving
The ability to diagnose and fix technical problems efficiently.
Time management
The ability to prioritize tasks and manage time effectively to meet project deadlines.
Collaboration
Effectively work in a team, share knowledge, and contribute to project success.
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