I'm
Lalit Kumar Rajak
Full Stack Developer
Proficient with Nest.js, Next.js, React, Java, Docker, Databases
Travel Management Platform
NASA Data Visualization Portal
Data Visualization Dashboard
zkPoker Online Gaming Platform
QuickCam Camera
Office-Hours Scheduling Platform
Multiplatform.One Development Environment
Self-Hosted Cloud Management System
Spring Boot Development
Offering enterprise-grade application development using Spring Boot. Specializing in building scalable back-end systems with Java, Spring, and Hibernate to create efficient, high-performing solutions.
Next.js Development
Providing dynamic, responsive web application development using Next.js. Leveraging React, TypeScript, and Vercel to deliver high-performance, SEO-friendly, and user-centric web solutions.
TypeScript Application Development
Developing robust and scalable web and server-side applications with TypeScript. Focused on using static typing, interfaces, and decorators for creating maintainable, secure codebases.
React Web Development
Delivering dynamic and interactive web applications using React. Utilizing modern development practices such as hooks, state management, and functional components to create seamless user experiences.
JavaScript Development
Creating interactive and high-performing web applications using JavaScript. Expert in leveraging ES6+, asynchronous programming, and modern JavaScript frameworks for dynamic front-end solutions.
Linux System Administration
Offering Linux system management and command-line interface expertise. Experience includes shell scripting, system monitoring, and basic system administration for efficient server management.
Kubernetes Orchestration
Providing container orchestration and management services using Kubernetes. Specializing in Helm, Kubectl, and Minikube for scalable, resilient cloud-native application deployments.
Java Enterprise Development
Offering enterprise-level back-end application development services with Java. Expertise in building secure and efficient systems using Spring, Hibernate, and Maven.
Keycloak Integration and IAM
Specializing in implementing identity and access management solutions using Keycloak. Expertise in SSO, OAuth2, and OpenID Connect to secure applications and manage user access effectively.
NestJS Back-End Development
Providing scalable back-end application development with NestJS. Leveraging TypeScript, Express, and TypeORM to create secure, high-performance server-side solutions.
Angular Web Development
Building scalable, responsive web applications using Angular. Specializing in TypeScript, RxJS, and Angular Material to create feature-rich, user-friendly web experiences.
Docker Containerization
Offering application containerization services with Docker. Streamlining development workflows and enhancing application deployments for scalability and efficiency.
GraphQL API Development
Building flexible, efficient APIs using GraphQL. Specializing in Apollo Client, TypeGraphQL, and Prisma to create scalable back-end solutions tailored to complex data needs.
OAuth Security Implementation
Implementing OAuth authentication and authorization protocols to ensure secure and protected web applications and APIs. Expertise in OAuth2 integration for enhanced user privacy and data security.
React Native Mobile Development
Delivering cross-platform mobile applications using React Native. Utilizing Expo, React Navigation, and Redux to create responsive and seamless mobile experiences across iOS and Android.Experience
Built scalable frontends with React and Next.js, integrating Mantine UI and Tamagui for consistent design systems. Leveraged React Query for efficient data fetching and state management. Implemented dynamic, data-intensive tables using Ag-Grid-Table.
Worked on full stack projects combining frontend and backend technologies including TypeScript, React, Next.js, React Native, Nest.js, GraphQL, and Docker. Developed end-to-end solutions ensuring seamless integration between frontend and backend.
Built robust backends using Nest.js and GraphQL. Integrated REST and GraphQL APIs for seamless communication between frontend and backend systems. Utilized Docker for containerization.
Developed dynamic frontends using TypeScript, Tamagui, React, and Next.js. Created custom components to enhance user interface and experience.