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Abhishek Kumar Singh
Abhishek Kumar Singh

Full Stack Developer &
Tech Trainer

2+ years of experience delivering scalable web and mobile solutions. Passionate about building AI-powered learning tools and mentoring the next generation of developers.

View My Work Training Programs
Patna, Bihar, India
+91 9504983374
Abhishek22021@gmail.com

About Me

Career Snapshot

Full Stack Developer with 2+ years of experience delivering scalable web and mobile solutions and designing end-to-end technical training curriculums. Created structured content for C, C++, Java, Python, and DSA including PPTs, course modules, and real-world projects.

40%
Reduced Operational Time
30%
Boosted User Engagement

Development Focus

Specialized in Java, Spring Boot, Angular, and React Native. Published multiple apps on Google Play Store with proven scalability.

Training & Mentorship

Conducted 100+ sessions with 100% positive feedback. Designed complete curriculums and mentored students in end-to-end project development.

Professional Experience

Java Full Stack Developer

Chapterfeed Learning Space Pvt. Ltd.

May 2023 – Present
  • Delivered 3+ full-stack platforms for educational clients, increasing user engagement by 30%
  • Built & optimized RESTful APIs with Spring Boot, reducing average response time by 25%
  • Developed and deployed 2 Android apps on Google Play Store using React Native
  • Automated manual workflows, saving 20+ hours/week in team productivity

Part-Time Software Trainer

Toonscode – Software Training Institute

Oct 2024 – Present
  • Conducted 100+ Offline and Online sessions with 100% positive feedback
  • Designed complete curriculums for C, C++, Java, Python, and DSA
  • Mentored students in end-to-end project development and deployment

Key Projects

Live

Toonscode Learning App

EdTech, AI-powered

Web App coding learning platform with AI-driven feedback and real-time code execution across multiple programming languages.

Detailed Description

An ambitious project to create a comprehensive web learning environment for coders. The app supports multiple languages like Python, Java, and JavaScript, offering interactive lessons, quizzes, and a real-time code editor. The core feature is an AI-powered mentor that provides instant feedback on user's code, identifies errors, suggests improvements, and explains complex concepts, adapting to the user's learning pace.

Challenges

Integrating a secure and performant real-time code execution sandbox for multiple languages on a web platform was a major hurdle. Another challenge was developing an AI model that could provide meaningful, context-aware feedback without being computationally expensive for the user's device.

Solutions

We utilized lightweight, containerized environments in the backend, accessed via a secure API, to handle code execution. For the AI mentor, we fine-tuned a smaller language model specifically for code analysis and leveraged on-device processing for simpler checks, only sending more complex queries to the backend, optimizing both performance and cost.

React Native AI Integration Multi-language
View Web App
Live

Smart Raseed Mobile App

Spring Boot & React Native

Receipt management solution for small businesses with quick creation, encrypted storage, and analytics dashboard.

Detailed Description

Smart Raseed is a digital receipt management tool designed to help small business owners move away from paper-based systems. Users can generate, send, and store digital receipts instantly. The app features a powerful dashboard for tracking sales, analyzing revenue trends, and managing customer data. All data is stored securely with end-to-end encryption.

Challenges

Ensuring data integrity and security for sensitive financial information was paramount. The app also needed to be highly performant and functional in areas with limited internet connectivity, which is common for many small businesses.

Solutions

Implemented JWT-based authentication and encrypted data storage using Spring Security on the backend. For offline capabilities, we used React Native's AsyncStorage to cache data locally and implemented a background sync mechanism that updates the central database once a stable connection is available.

Spring Boot React Native Analytics
View on Play Store
Live

Truly Mentor Academy

Full-Stack Education Platform

Complete education management system with role-based dashboards, fee tracking, attendance, and online testing modules.

Detailed Description

This is an all-in-one management platform for educational institutions. It provides distinct, role-based dashboards for administrators, teachers, students, and parents. Key features include automated fee management and payment reminders, digital attendance tracking, an online examination module with automatic grading, and a communication portal for seamless interaction between stakeholders.

Challenges

The main challenge was designing a flexible, multi-tenant architecture that could cater to the unique needs of different institutions while maintaining a single, scalable codebase. Handling complex permission structures and ensuring data privacy across different user roles was also a significant task.

Solutions

We built the platform on a microservices architecture using Spring Boot, allowing for independent scaling and development of different modules (e.g., fees, exams). A robust role-based access control (RBAC) system was implemented from the ground up to manage permissions granularly, ensuring users could only access data relevant to their role.

React Spring Boot Role-based
Web App Mobile App

Core Skills

Programming & Frameworks

JavaSpring BootAngularReactReact NativeIonicTypeScriptJavaScriptHTMLCSSPythonCC++

Tools & Platforms

GitPostmanFirebaseUbuntuNginxIntelliJ IDEAVS CodeAndroid StudioMySQLMongoDB

Let's Work Together

Ready to bring your ideas to life? Let's discuss your next project or training needs.

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