GeekyAnts
Nilesh Kumar

Nilesh Kumar

Software Engineer - II
Enthusiastic software developer with keen interest in building large-scale systems. Experienced in developing end-to-end solutions using Microservice architecture and writing clean and scalable code, with excellent debugging skills.
GoLang
TypeScript
JavaScript
Python
The Most Amazing...
Interest & Expertise
Interest & Expertise
    Achievements
    Achievements
    • Won chatGPT challenge (1st) : HR Bot
    Skills
    , ,
    Backend
    Node.js, Python, Hasura
    Languages
    HTML / CSS, JavaScript, C++, TypeScript, CSS
    RealTime Communication Library
    Socket.io
    Version Control
    Git, GitLab, GitHub
    Frontend Framework & Library
    Bootstrap, Material-UI, Tailwind CSS
    Cloud Services
    AWS S3, CloudFlare R2
    Web Server
    Nginx
    Continuous Integration and Continuous Delivery (CI/CD)
    Jenkin
    Microservices
    Azure
    ServerLess
    Docker
    Databases
    PostgreSQL, GCP, RabbitMQ
    Frameworks
    Express
    Shell Script
    Mongosh
    Editors
    Visual Studio Code
    DevOps
    Ably, Github Actions
    Monitoring tools
    Prometheus
    SDKs
    Twilio
    Backend Framework & Library
    Dapr
    Deployment
    Digital Ocean
    Projects
    HealthCare App
    It was a Healthcare Application for children diagnosed with Autism. It had two roles in the mobile application PARENT and THERAPIST, alongside ADMIN in the admin-panel.
    Tech stack involved in the projec are React Native for Mobile Application, React for Admin Web Application, NodeJS Express with Microservice Architecture.
    Podcast App
    The Project aimed at creating a podcast application for organization’s internal events and podcasts. Setting up a Chat-SDK that supports 3 messaging services, Socket.io, Ably, and RabbitMQ using TypeScript and dependency injection. Set Up an icecast server for audio streaming. R&D on creating a scalable WebRTC server. Explored Janus WebRTC server.
    Tech Stacks used are Frontend: React Native. Backend: NodeJS, WebRTC, Icecast, Socket.io, Ably, Janus WebRTC
    ChatBot for HRs and Employees
    This project was created during an Internal Hackathon (chatGPT challenge) using chatGPT and its APIs. The project aimed at providing a bot for employees where they can have their answers on queries related to organization’s policies, leave structure, events and raise issues.
    Tech Stacks used are
    Frontend: VueJS, Vuetify.
    Backend: NodeJS, Typescript, Python, Postgresql, Hasura, chatGPT APIs, Docker

    Nilesh's Corner

    Published Blogs

    Explore our insights, R&D findings, and comments on industry trends.
    Building an HR-bot Using ChatGPT
    Article

    Jun 30, 2023

    Building an HR-bot Using ChatGPT

    In this breakdown of a talk by our recent ChatGPT Challenge winners, discover how their HR chatbot streamlines employee record management and simplifies HR processes.

    Introduction to Unit Testing in NestJS: Why It Matters
    Article

    May 29, 2025

    Introduction to Unit Testing in NestJS: Why It Matters

    Learn why unit testing matters in NestJS, the tools you need (Jest, @nestjs/testing), and how to test services with a real-world UserService example.

    Writing Effective Unit Tests: Best Practices
    Article

    May 29, 2025

    Writing Effective Unit Tests: Best Practices

    Master unit testing in JavaScript with Jest. Learn AAA pattern, mocking, isolation, test coverage, edge cases, and TDD with clear, maintainable examples.

    How to Mock in Integration Tests Tools and Implementation
    Article

    Jul 17, 2025

    How to Mock in Integration Tests Tools and Implementation

    Mock smarter in integration testing. Explore tools like Nock, Sinon, and Jest with hands-on examples and a step-by-step guide to accurate and efficient mocks.

    Introduction to Integration Testing
    Article

    Oct 29, 2025

    Introduction to Integration Testing

    Integration testing verifies module interactions, data flow, and system behavior. A must-have testing strategy for building reliable, scalable, and high-quality software systems.

    View All Blogs