Headline

Software Engineer | Full Stack & Backend Development | Java, Spring Boot, Node.js | Microservices & Distributed Systems | React.js | MySQL | Redis | Kafka | B2B SaaS

About

I’m a Software Engineer with 2 years of experience building multi-tenant B2B SaaS applications, developing backend services, REST APIs, database-driven workflows, and frontend interfaces. I enjoy working across the software development lifecycle—from understanding requirements and designing solutions to implementation, testing, and deployment. CORE TECHNICAL EXPERTISE Backend Development: Node.js, Express.js, Java, Spring Boot, REST API development, backend system design, and service integration. Databases & Performance: MySQL, PostgreSQL, MongoDB, database design, query optimization, and performance tuning. Architecture & Security: Multi-tenant SaaS architecture, microservices, distributed systems, JWT authentication, authorization, and Role-Based Access Control (RBAC). Caching & Event-Driven Systems: Redis caching and Apache Kafka event-driven workflows. Frontend Development: React.js, Next.js, JavaScript, Redux, TanStack Query, Shadcn UI, responsive UI development, and reusable components. ENGINEERING EXPERIENCE • Develop end-to-end features across backend and frontend application layers. • Build REST APIs, implement permission-driven workflows, and support secure access across multi-level organizational structures. • Design database-backed features and optimize queries for application performance. • Build reusable React components and responsive interfaces for enterprise applications. • Contribute to technical planning, code reviews, and feature delivery. Beyond enterprise software development, I have built 7+ business websites using React.js and WordPress, delivering responsive, user-focused web experiences. I enjoy solving complex engineering problems, improving software reliability, and building scalable products with maintainable code.

Location

Bengaluru

AI stack

antigravity

claude code

claude

codex

cursor

openai

Work experience

Software Developer at Future Transformation, Oct 2025 - Present · 1 yr 2 mos, As a Software Developer, I contribute to the design, development, and maintenance of a multi-tenant SaaS platform, delivering scalable, secure, and high-performance enterprise applications using modern full-stack technologies. Key Contributions - Engineered an end-to-end Role-Based Access Control (RBAC) framework with dynamic permission management and fine-grained access control. - Developed a scalable User Management module supporting dynamic role assignment, user provisioning, permission inheritance, and multi-tenant isolation. - Designed and implemented a centralized JWT-based Authentication & Authorization system with secure login, refresh token workflows, and role-based API access. - Optimized MySQL database performance through indexing strategies, query optimization, and efficient schema design. - Implemented asynchronous processing of audit logs, notifications, and background events. - Developed a dynamic platform configuration module to manage sidebars, menus, actions, navigation, and feature visibility across multiple tenants. - Built reusable and scalable frontend components using React.js, Redux, TanStack Query, and Shadcn UI. - Developed interactive dashboards and business analytics using Recharts with REST API integration to provide real-time operational insights. - Creating end-to-end Developer Documention of the system which owning and building - Participated throughout the complete Software Development Life Cycle (SDLC), including requirement analysis, system design, development, testing, code reviews, deployment, and production support. Tech Stack: Java • Spring Boot • Node.js • React.js • Redux • TanStack Query • MySQL • Redis • REST APIs • Shadcn UI • Recharts • Git • AWS

Developer at Future Transformation, Mar 2025 - Sep 2025 · 7 mos, As a Developer Intern, I contributed to the end-to-end development of web applications and enterprise software solutions using modern full-stack technologies. Key Responsibilities - Developed scalable web applications using Java, Spring Boot, React.js, JavaScript, MySQL, HTML5, CSS3, and REST APIs. - Participated in the complete software development lifecycle, from requirement analysis and UI implementation to backend development, database integration, testing, and deployment. - Built and delivered 7+ websites using WordPress, React.js, and modern frontend technologies, focusing on responsive design, performance, and user experience. - Worked on real-world client projects, implementing both frontend and backend features. - Designed and integrated RESTful APIs with React-based user interfaces. - Collaborated with designers and developers to deliver production-ready solutions within project timelines. - Gained hands-on experience with enterprise application building, version control, and best development practices. Technologies: Java, Spring Boot, React.js, JavaScript, MySQL, REST APIs, WordPress, HTML5, CSS3, Git.

Web Developer at Geosys IT Solutions Pvt. Ltd., Jun 2024 - Sep 2024 · 4 mos, Thiruvananthapuram, During my internship, I contributed to the development of responsive web applications and business websites while gaining hands-on experience in full-stack web development. Key Contributions Developed secure user registration modules with email verification and automation. Built responsive business and eCommerce websites using PHP, JavaScript, HTML, CSS, and Bootstrap. Developed reusable UI components to improve user experience and application consistency. Integrated frontend interfaces with backend functionality and database operations. Debugged, tested, and optimized web applications for performance and usability. Collaborated with senior developers to deliver client requirements within project timelines. Technologies: PHP, JavaScript, HTML5, CSS3, Bootstrap, MySQL, Git.

Education

Bachelor of Engineering, Electrical and Electronics Engineering, Hindusthan College of Engineering and Technology

Public links

github: https://github.com/jasphersujin

jasphersujin.vercel.app: https://jasphersujin.vercel.app/